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-rw-r--r--.mailmap1
-rw-r--r--Documentation/ABI/testing/sysfs-class-led-trigger-pattern4
-rw-r--r--Documentation/devicetree/bindings/arm/shmobile.txt2
-rw-r--r--Documentation/devicetree/bindings/i2c/i2c-omap.txt8
-rw-r--r--Documentation/i2c/busses/i2c-nvidia-gpu18
-rw-r--r--Documentation/x86/x86_64/mm.txt34
-rw-r--r--Documentation/x86/zero-page.txt2
-rw-r--r--MAINTAINERS29
-rw-r--r--Makefile2
-rw-r--r--arch/alpha/include/asm/termios.h8
-rw-r--r--arch/alpha/include/uapi/asm/ioctls.h5
-rw-r--r--arch/alpha/include/uapi/asm/termbits.h17
-rw-r--r--arch/arm/boot/dts/imx53-ppd.dts2
-rw-r--r--arch/arm/boot/dts/imx6sll.dtsi2
-rw-r--r--arch/arm/boot/dts/imx6sx-sdb.dtsi7
-rw-r--r--arch/arm/boot/dts/vf610m4-colibri.dts4
-rw-r--r--arch/arm/configs/multi_v7_defconfig1
-rw-r--r--arch/arm/include/asm/pgtable-2level.h2
-rw-r--r--arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi3
-rw-r--r--arch/arm64/boot/dts/renesas/r8a7795.dtsi2
-rw-r--r--arch/arm64/boot/dts/renesas/r8a77980-condor.dts47
-rw-r--r--arch/arm64/include/asm/processor.h8
-rw-r--r--arch/arm64/mm/init.c2
-rw-r--r--arch/arm64/mm/mmu.c2
-rw-r--r--arch/m68k/include/asm/pgtable_mm.h4
-rw-r--r--arch/microblaze/include/asm/pgtable.h2
-rw-r--r--arch/mips/cavium-octeon/executive/cvmx-helper.c2
-rw-r--r--arch/mips/mm/dma-noncoherent.c2
-rw-r--r--arch/nds32/include/asm/pgtable.h2
-rw-r--r--arch/parisc/include/asm/pgtable.h2
-rw-r--r--arch/s390/Makefile2
-rw-r--r--arch/s390/boot/compressed/Makefile16
-rw-r--r--arch/s390/configs/debug_defconfig14
-rw-r--r--arch/s390/configs/performance_defconfig13
-rw-r--r--arch/s390/defconfig79
-rw-r--r--arch/s390/include/asm/mmu_context.h5
-rw-r--r--arch/s390/include/asm/pgalloc.h6
-rw-r--r--arch/s390/include/asm/pgtable.h18
-rw-r--r--arch/s390/include/asm/thread_info.h2
-rw-r--r--arch/s390/include/asm/tlb.h6
-rw-r--r--arch/s390/kernel/entry.S6
-rw-r--r--arch/s390/kernel/perf_cpum_cf.c2
-rw-r--r--arch/s390/kernel/perf_cpum_sf.c33
-rw-r--r--arch/s390/kernel/vdso32/Makefile6
-rw-r--r--arch/s390/kernel/vdso64/Makefile6
-rw-r--r--arch/s390/kernel/vmlinux.lds.S4
-rw-r--r--arch/s390/mm/pgalloc.c1
-rw-r--r--arch/s390/numa/numa.c1
-rw-r--r--arch/um/drivers/ubd_kern.c12
-rw-r--r--arch/x86/Kconfig1
-rw-r--r--arch/x86/Makefile4
-rw-r--r--arch/x86/include/asm/mce.h2
-rw-r--r--arch/x86/include/asm/mshyperv.h2
-rw-r--r--arch/x86/include/asm/page_64_types.h12
-rw-r--r--arch/x86/include/asm/pgtable_64_types.h4
-rw-r--r--arch/x86/include/asm/qspinlock.h13
-rw-r--r--arch/x86/include/asm/xen/page.h35
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c6
-rw-r--r--arch/x86/kernel/cpu/mshyperv.c11
-rw-r--r--arch/x86/kernel/cpu/vmware.c2
-rw-r--r--arch/x86/kernel/ldt.c59
-rw-r--r--arch/x86/kernel/vsmp_64.c84
-rw-r--r--arch/x86/xen/mmu_pv.c6
-rw-r--r--arch/x86/xen/p2m.c3
-rw-r--r--arch/x86/xen/spinlock.c14
-rw-r--r--block/bio.c1
-rw-r--r--block/blk-lib.c26
-rw-r--r--block/blk-merge.c5
-rw-r--r--block/blk.h12
-rw-r--r--drivers/acpi/nfit/mce.c8
-rw-r--r--drivers/ata/sata_rcar.c6
-rw-r--r--drivers/block/xen-blkfront.c1
-rw-r--r--drivers/clk/clk-fixed-factor.c1
-rw-r--r--drivers/clk/meson/axg.c13
-rw-r--r--drivers/clk/meson/gxbb.c12
-rw-r--r--drivers/clk/qcom/gcc-qcs404.c2
-rw-r--r--drivers/clocksource/i8253.c14
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu.h1
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c11
-rw-r--r--drivers/gpu/drm/amd/amdgpu/vega20_reg_init.c1
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c27
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h2
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c79
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h1
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc_link.c4
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc.h1
-rw-r--r--drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c7
-rw-r--r--drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c3
-rw-r--r--drivers/gpu/drm/amd/include/amd_shared.h4
-rw-r--r--drivers/gpu/drm/amd/include/atomfirmware.h7
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c53
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h1
-rw-r--r--drivers/gpu/drm/amd/powerplay/inc/vega20_ppsmc.h3
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_sched.c2
-rw-r--r--drivers/gpu/drm/exynos/exynos5433_drm_decon.c9
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_crtc.c11
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_drv.h1
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_dsi.c14
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_fbdev.c2
-rw-r--r--drivers/gpu/drm/i915/gvt/gtt.c115
-rw-r--r--drivers/gpu/drm/i915/gvt/gtt.h10
-rw-r--r--drivers/gpu/drm/i915/gvt/handlers.c8
-rw-r--r--drivers/gpu/drm/i915/gvt/mmio_context.c2
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c15
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h1
-rw-r--r--drivers/gpu/drm/i915/i915_gem_execbuffer.c2
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.c2
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.h36
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h20
-rw-r--r--drivers/gpu/drm/i915/intel_audio.c17
-rw-r--r--drivers/gpu/drm/i915/intel_cdclk.c18
-rw-r--r--drivers/gpu/drm/i915/intel_display.c19
-rw-r--r--drivers/gpu/drm/i915/intel_lpe_audio.c4
-rw-r--r--drivers/gpu/drm/i915/intel_pm.c3
-rw-r--r--drivers/gpu/drm/i915/selftests/huge_pages.c2
-rw-r--r--drivers/gpu/drm/i915/selftests/i915_gem_gtt.c6
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_lvds.c4
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_rgb.c4
-rw-r--r--drivers/gpu/drm/sun4i/sun4i_tcon.c5
-rw-r--r--drivers/gpu/vga/vga_switcheroo.c3
-rw-r--r--drivers/hid/hid-alps.c18
-rw-r--r--drivers/hid/hid-asus.c3
-rw-r--r--drivers/hid/hid-ids.h3
-rw-r--r--drivers/hid/hid-quirks.c1
-rw-r--r--drivers/hid/i2c-hid/i2c-hid-core.c19
-rw-r--r--drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c8
-rw-r--r--drivers/hid/usbhid/hiddev.c18
-rw-r--r--drivers/hwmon/hwmon.c8
-rw-r--r--drivers/hwmon/ibmpowernv.c7
-rw-r--r--drivers/i2c/busses/Kconfig11
-rw-r--r--drivers/i2c/busses/Makefile1
-rw-r--r--drivers/i2c/busses/i2c-nvidia-gpu.c368
-rw-r--r--drivers/i2c/busses/i2c-qcom-geni.c15
-rw-r--r--drivers/leds/trigger/ledtrig-pattern.c27
-rw-r--r--drivers/mtd/devices/Kconfig2
-rw-r--r--drivers/mtd/maps/sa1100-flash.c10
-rw-r--r--drivers/mtd/nand/raw/nand_base.c1
-rw-r--r--drivers/mtd/spi-nor/cadence-quadspi.c2
-rw-r--r--drivers/mtd/spi-nor/spi-nor.c6
-rw-r--r--drivers/net/dsa/mv88e6xxx/global1.c2
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c8
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_hw.h6
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_main.c10
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_nic.c18
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_nic.h2
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/aq_ring.c35
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c61
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c8
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h3
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h18
-rw-r--r--drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c21
-rw-r--r--drivers/net/ethernet/hisilicon/hns3/hns3_enet.c3
-rw-r--r--drivers/net/ethernet/ibm/ibmvnic.c2
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_main.c8
-rw-r--r--drivers/net/ethernet/intel/ice/ice.h4
-rw-r--r--drivers/net/ethernet/intel/ice/ice_common.c3
-rw-r--r--drivers/net/ethernet/intel/ice/ice_ethtool.c7
-rw-r--r--drivers/net/ethernet/intel/ice/ice_hw_autogen.h2
-rw-r--r--drivers/net/ethernet/intel/ice/ice_lib.c3
-rw-r--r--drivers/net/ethernet/intel/ice/ice_main.c86
-rw-r--r--drivers/net/ethernet/intel/ice/ice_switch.c12
-rw-r--r--drivers/net/ethernet/intel/ice/ice_switch.h2
-rw-r--r--drivers/net/ethernet/intel/ice/ice_txrx.c11
-rw-r--r--drivers/net/ethernet/intel/ice/ice_txrx.h17
-rw-r--r--drivers/net/ethernet/intel/ice/ice_type.h2
-rw-r--r--drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c4
-rw-r--r--drivers/net/ethernet/intel/igb/igb_ptp.c12
-rw-r--r--drivers/net/ethernet/marvell/mvneta.c4
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_fcoe.c11
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_iscsi.c1
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_l2.c12
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_rdma.c1
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_roce.c1
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_sp.h14
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_sp_commands.c22
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_spq.c69
-rw-r--r--drivers/net/ethernet/qlogic/qed/qed_sriov.c1
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c8
-rw-r--r--drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c6
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/common.h3
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/descs_com.h2
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/enh_desc.c2
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/ring_mode.c2
-rw-r--r--drivers/net/fddi/defza.c7
-rw-r--r--drivers/net/fddi/defza.h3
-rw-r--r--drivers/net/phy/broadcom.c18
-rw-r--r--drivers/net/usb/smsc95xx.c2
-rw-r--r--drivers/nvme/host/core.c4
-rw-r--r--drivers/nvme/host/multipath.c1
-rw-r--r--drivers/nvme/target/core.c2
-rw-r--r--drivers/nvme/target/rdma.c19
-rw-r--r--drivers/of/device.c4
-rw-r--r--drivers/of/of_numa.c9
-rw-r--r--drivers/tty/serial/sh-sci.c8
-rw-r--r--drivers/tty/tty_baudrate.c4
-rw-r--r--drivers/tty/vt/vt.c2
-rw-r--r--drivers/usb/typec/ucsi/Kconfig10
-rw-r--r--drivers/usb/typec/ucsi/Makefile2
-rw-r--r--drivers/usb/typec/ucsi/ucsi_ccg.c307
-rw-r--r--drivers/xen/grant-table.c2
-rw-r--r--drivers/xen/privcmd-buf.c22
-rw-r--r--fs/btrfs/ctree.h3
-rw-r--r--fs/btrfs/disk-io.c63
-rw-r--r--fs/btrfs/free-space-cache.c22
-rw-r--r--fs/btrfs/inode.c37
-rw-r--r--fs/btrfs/ioctl.c14
-rw-r--r--fs/btrfs/super.c6
-rw-r--r--fs/btrfs/tree-checker.c2
-rw-r--r--fs/btrfs/tree-log.c17
-rw-r--r--fs/ceph/file.c11
-rw-r--r--fs/ceph/mds_client.c12
-rw-r--r--fs/ceph/quota.c3
-rw-r--r--fs/ext4/inode.c5
-rw-r--r--fs/ext4/namei.c5
-rw-r--r--fs/ext4/resize.c28
-rw-r--r--fs/ext4/super.c17
-rw-r--r--fs/ext4/xattr.c27
-rw-r--r--fs/namespace.c22
-rw-r--r--fs/xfs/libxfs/xfs_attr_leaf.c11
-rw-r--r--fs/xfs/xfs_ioctl.c2
-rw-r--r--fs/xfs/xfs_message.c2
-rw-r--r--include/asm-generic/4level-fixup.h2
-rw-r--r--include/asm-generic/5level-fixup.h2
-rw-r--r--include/asm-generic/pgtable-nop4d-hack.h2
-rw-r--r--include/asm-generic/pgtable-nop4d.h2
-rw-r--r--include/asm-generic/pgtable-nopmd.h2
-rw-r--r--include/asm-generic/pgtable-nopud.h2
-rw-r--r--include/asm-generic/pgtable.h16
-rw-r--r--include/linux/ceph/ceph_features.h8
-rw-r--r--include/linux/compiler_attributes.h14
-rw-r--r--include/linux/compiler_types.h4
-rw-r--r--include/linux/hid.h4
-rw-r--r--include/linux/i8253.h1
-rw-r--r--include/linux/mm.h8
-rw-r--r--include/linux/mtd/nand.h7
-rw-r--r--include/linux/nmi.h2
-rw-r--r--include/uapi/linux/kfd_ioctl.h18
-rw-r--r--include/xen/xen-ops.h12
-rw-r--r--kernel/resource.c19
-rw-r--r--kernel/sched/core.c5
-rw-r--r--kernel/sched/fair.c4
-rw-r--r--kernel/time/posix-cpu-timers.c3
-rw-r--r--kernel/user_namespace.c12
-rw-r--r--lib/raid6/test/Makefile4
-rw-r--r--net/core/flow_dissector.c4
-rw-r--r--net/ipv4/inet_fragment.c29
-rw-r--r--net/sched/act_mirred.c3
-rw-r--r--net/sched/cls_flower.c14
-rw-r--r--net/sched/sch_netem.c9
-rw-r--r--net/tipc/link.c11
-rwxr-xr-xscripts/kconfig/merge_config.sh7
-rwxr-xr-xscripts/package/builddeb6
-rwxr-xr-xscripts/package/mkdebian7
-rwxr-xr-xscripts/package/mkspec11
-rwxr-xr-xscripts/setlocalversion2
-rw-r--r--sound/pci/hda/thinkpad_helper.c4
-rw-r--r--tools/arch/arm64/include/asm/barrier.h133
-rw-r--r--tools/perf/Documentation/perf-list.txt1
-rw-r--r--tools/perf/Makefile.perf2
-rw-r--r--tools/perf/builtin-record.c7
-rw-r--r--tools/perf/builtin-stat.c28
-rw-r--r--tools/perf/builtin-top.c3
-rw-r--r--tools/perf/builtin-trace.c34
-rw-r--r--tools/perf/examples/bpf/augmented_raw_syscalls.c131
-rw-r--r--tools/perf/jvmti/jvmti_agent.c49
-rwxr-xr-xtools/perf/scripts/python/exported-sql-viewer.py493
-rw-r--r--tools/perf/tests/attr/test-record-group-sampling1
-rw-r--r--tools/perf/util/evlist.c27
-rw-r--r--tools/perf/util/evlist.h3
-rw-r--r--tools/perf/util/evsel.c1
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-decoder.c4
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-log.c5
-rw-r--r--tools/perf/util/intel-pt-decoder/intel-pt-log.h1
-rw-r--r--tools/perf/util/intel-pt.c16
-rw-r--r--tools/perf/util/pmu.c2
275 files changed, 3148 insertions, 1202 deletions
diff --git a/.mailmap b/.mailmap
index a76be45fef6c..28fecafa6506 100644
--- a/.mailmap
+++ b/.mailmap
@@ -159,6 +159,7 @@ Peter Oruba <peter@oruba.de>
Peter Oruba <peter.oruba@amd.com>
Pratyush Anand <pratyush.anand@gmail.com> <pratyush.anand@st.com>
Praveen BP <praveenbp@ti.com>
+Punit Agrawal <punitagrawal@gmail.com> <punit.agrawal@arm.com>
Qais Yousef <qsyousef@gmail.com> <qais.yousef@imgtec.com>
Oleksij Rempel <linux@rempel-privat.de> <bug-track@fisher-privat.net>
Oleksij Rempel <linux@rempel-privat.de> <external.Oleksij.Rempel@de.bosch.com>
diff --git a/Documentation/ABI/testing/sysfs-class-led-trigger-pattern b/Documentation/ABI/testing/sysfs-class-led-trigger-pattern
index fb3d1e03b881..1e5d172e0646 100644
--- a/Documentation/ABI/testing/sysfs-class-led-trigger-pattern
+++ b/Documentation/ABI/testing/sysfs-class-led-trigger-pattern
@@ -37,8 +37,8 @@ Description:
0-| / \/ \/
+---0----1----2----3----4----5----6------------> time (s)
- 2. To make the LED go instantly from one brigntess value to another,
- we should use use zero-time lengths (the brightness must be same as
+ 2. To make the LED go instantly from one brightness value to another,
+ we should use zero-time lengths (the brightness must be same as
the previous tuple's). So the format should be:
"brightness_1 duration_1 brightness_1 0 brightness_2 duration_2
brightness_2 0 ...". For example:
diff --git a/Documentation/devicetree/bindings/arm/shmobile.txt b/Documentation/devicetree/bindings/arm/shmobile.txt
index f5e0f82fd503..58c4256d37a3 100644
--- a/Documentation/devicetree/bindings/arm/shmobile.txt
+++ b/Documentation/devicetree/bindings/arm/shmobile.txt
@@ -27,7 +27,7 @@ SoCs:
compatible = "renesas,r8a77470"
- RZ/G2M (R8A774A1)
compatible = "renesas,r8a774a1"
- - RZ/G2E (RA8774C0)
+ - RZ/G2E (R8A774C0)
compatible = "renesas,r8a774c0"
- R-Car M1A (R8A77781)
compatible = "renesas,r8a7778"
diff --git a/Documentation/devicetree/bindings/i2c/i2c-omap.txt b/Documentation/devicetree/bindings/i2c/i2c-omap.txt
index 7e49839d4124..4b90ba9f31b7 100644
--- a/Documentation/devicetree/bindings/i2c/i2c-omap.txt
+++ b/Documentation/devicetree/bindings/i2c/i2c-omap.txt
@@ -1,8 +1,12 @@
I2C for OMAP platforms
Required properties :
-- compatible : Must be "ti,omap2420-i2c", "ti,omap2430-i2c", "ti,omap3-i2c"
- or "ti,omap4-i2c"
+- compatible : Must be
+ "ti,omap2420-i2c" for OMAP2420 SoCs
+ "ti,omap2430-i2c" for OMAP2430 SoCs
+ "ti,omap3-i2c" for OMAP3 SoCs
+ "ti,omap4-i2c" for OMAP4+ SoCs
+ "ti,am654-i2c", "ti,omap4-i2c" for AM654 SoCs
- ti,hwmods : Must be "i2c<n>", n being the instance number (1-based)
- #address-cells = <1>;
- #size-cells = <0>;
diff --git a/Documentation/i2c/busses/i2c-nvidia-gpu b/Documentation/i2c/busses/i2c-nvidia-gpu
new file mode 100644
index 000000000000..31884d2b2eb5
--- /dev/null
+++ b/Documentation/i2c/busses/i2c-nvidia-gpu
@@ -0,0 +1,18 @@
+Kernel driver i2c-nvidia-gpu
+
+Datasheet: not publicly available.
+
+Authors:
+ Ajay Gupta <ajayg@nvidia.com>
+
+Description
+-----------
+
+i2c-nvidia-gpu is a driver for I2C controller included in NVIDIA Turing
+and later GPUs and it is used to communicate with Type-C controller on GPUs.
+
+If your 'lspci -v' listing shows something like the following,
+
+01:00.3 Serial bus controller [0c80]: NVIDIA Corporation Device 1ad9 (rev a1)
+
+then this driver should support the I2C controller of your GPU.
diff --git a/Documentation/x86/x86_64/mm.txt b/Documentation/x86/x86_64/mm.txt
index 73aaaa3da436..804f9426ed17 100644
--- a/Documentation/x86/x86_64/mm.txt
+++ b/Documentation/x86/x86_64/mm.txt
@@ -34,23 +34,24 @@ __________________|____________|__________________|_________|___________________
____________________________________________________________|___________________________________________________________
| | | |
ffff800000000000 | -128 TB | ffff87ffffffffff | 8 TB | ... guard hole, also reserved for hypervisor
- ffff880000000000 | -120 TB | ffffc7ffffffffff | 64 TB | direct mapping of all physical memory (page_offset_base)
- ffffc80000000000 | -56 TB | ffffc8ffffffffff | 1 TB | ... unused hole
+ ffff880000000000 | -120 TB | ffff887fffffffff | 0.5 TB | LDT remap for PTI
+ ffff888000000000 | -119.5 TB | ffffc87fffffffff | 64 TB | direct mapping of all physical memory (page_offset_base)
+ ffffc88000000000 | -55.5 TB | ffffc8ffffffffff | 0.5 TB | ... unused hole
ffffc90000000000 | -55 TB | ffffe8ffffffffff | 32 TB | vmalloc/ioremap space (vmalloc_base)
ffffe90000000000 | -23 TB | ffffe9ffffffffff | 1 TB | ... unused hole
ffffea0000000000 | -22 TB | ffffeaffffffffff | 1 TB | virtual memory map (vmemmap_base)
ffffeb0000000000 | -21 TB | ffffebffffffffff | 1 TB | ... unused hole
ffffec0000000000 | -20 TB | fffffbffffffffff | 16 TB | KASAN shadow memory
- fffffc0000000000 | -4 TB | fffffdffffffffff | 2 TB | ... unused hole
- | | | | vaddr_end for KASLR
- fffffe0000000000 | -2 TB | fffffe7fffffffff | 0.5 TB | cpu_entry_area mapping
- fffffe8000000000 | -1.5 TB | fffffeffffffffff | 0.5 TB | LDT remap for PTI
- ffffff0000000000 | -1 TB | ffffff7fffffffff | 0.5 TB | %esp fixup stacks
__________________|____________|__________________|_________|____________________________________________________________
|
- | Identical layout to the 47-bit one from here on:
+ | Identical layout to the 56-bit one from here on:
____________________________________________________________|____________________________________________________________
| | | |
+ fffffc0000000000 | -4 TB | fffffdffffffffff | 2 TB | ... unused hole
+ | | | | vaddr_end for KASLR
+ fffffe0000000000 | -2 TB | fffffe7fffffffff | 0.5 TB | cpu_entry_area mapping
+ fffffe8000000000 | -1.5 TB | fffffeffffffffff | 0.5 TB | ... unused hole
+ ffffff0000000000 | -1 TB | ffffff7fffffffff | 0.5 TB | %esp fixup stacks
ffffff8000000000 | -512 GB | ffffffeeffffffff | 444 GB | ... unused hole
ffffffef00000000 | -68 GB | fffffffeffffffff | 64 GB | EFI region mapping space
ffffffff00000000 | -4 GB | ffffffff7fffffff | 2 GB | ... unused hole
@@ -83,7 +84,7 @@ Notes:
__________________|____________|__________________|_________|___________________________________________________________
| | | |
0000800000000000 | +64 PB | ffff7fffffffffff | ~16K PB | ... huge, still almost 64 bits wide hole of non-canonical
- | | | | virtual memory addresses up to the -128 TB
+ | | | | virtual memory addresses up to the -64 PB
| | | | starting offset of kernel mappings.
__________________|____________|__________________|_________|___________________________________________________________
|
@@ -91,23 +92,24 @@ __________________|____________|__________________|_________|___________________
____________________________________________________________|___________________________________________________________
| | | |
ff00000000000000 | -64 PB | ff0fffffffffffff | 4 PB | ... guard hole, also reserved for hypervisor
- ff10000000000000 | -60 PB | ff8fffffffffffff | 32 PB | direct mapping of all physical memory (page_offset_base)
- ff90000000000000 | -28 PB | ff9fffffffffffff | 4 PB | LDT remap for PTI
+ ff10000000000000 | -60 PB | ff10ffffffffffff | 0.25 PB | LDT remap for PTI
+ ff11000000000000 | -59.75 PB | ff90ffffffffffff | 32 PB | direct mapping of all physical memory (page_offset_base)
+ ff91000000000000 | -27.75 PB | ff9fffffffffffff | 3.75 PB | ... unused hole
ffa0000000000000 | -24 PB | ffd1ffffffffffff | 12.5 PB | vmalloc/ioremap space (vmalloc_base)
ffd2000000000000 | -11.5 PB | ffd3ffffffffffff | 0.5 PB | ... unused hole
ffd4000000000000 | -11 PB | ffd5ffffffffffff | 0.5 PB | virtual memory map (vmemmap_base)
ffd6000000000000 | -10.5 PB | ffdeffffffffffff | 2.25 PB | ... unused hole
ffdf000000000000 | -8.25 PB | fffffdffffffffff | ~8 PB | KASAN shadow memory
- fffffc0000000000 | -4 TB | fffffdffffffffff | 2 TB | ... unused hole
- | | | | vaddr_end for KASLR
- fffffe0000000000 | -2 TB | fffffe7fffffffff | 0.5 TB | cpu_entry_area mapping
- fffffe8000000000 | -1.5 TB | fffffeffffffffff | 0.5 TB | ... unused hole
- ffffff0000000000 | -1 TB | ffffff7fffffffff | 0.5 TB | %esp fixup stacks
__________________|____________|__________________|_________|____________________________________________________________
|
| Identical layout to the 47-bit one from here on:
____________________________________________________________|____________________________________________________________
| | | |
+ fffffc0000000000 | -4 TB | fffffdffffffffff | 2 TB | ... unused hole
+ | | | | vaddr_end for KASLR
+ fffffe0000000000 | -2 TB | fffffe7fffffffff | 0.5 TB | cpu_entry_area mapping
+ fffffe8000000000 | -1.5 TB | fffffeffffffffff | 0.5 TB | ... unused hole
+ ffffff0000000000 | -1 TB | ffffff7fffffffff | 0.5 TB | %esp fixup stacks
ffffff8000000000 | -512 GB | ffffffeeffffffff | 444 GB | ... unused hole
ffffffef00000000 | -68 GB | fffffffeffffffff | 64 GB | EFI region mapping space
ffffffff00000000 | -4 GB | ffffffff7fffffff | 2 GB | ... unused hole
diff --git a/Documentation/x86/zero-page.txt b/Documentation/x86/zero-page.txt
index 97b7adbceda4..68aed077f7b6 100644
--- a/Documentation/x86/zero-page.txt
+++ b/Documentation/x86/zero-page.txt
@@ -25,7 +25,7 @@ Offset Proto Name Meaning
0C8/004 ALL ext_cmd_line_ptr cmd_line_ptr high 32bits
140/080 ALL edid_info Video mode setup (struct edid_info)
1C0/020 ALL efi_info EFI 32 information (struct efi_info)
-1E0/004 ALL alk_mem_k Alternative mem check, in KB
+1E0/004 ALL alt_mem_k Alternative mem check, in KB
1E4/004 ALL scratch Scratch field for the kernel setup code
1E8/001 ALL e820_entries Number of entries in e820_table (below)
1E9/001 ALL eddbuf_entries Number of entries in eddbuf (below)
diff --git a/MAINTAINERS b/MAINTAINERS
index cfab497a97cc..e110e327bf38 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6607,9 +6607,9 @@ F: arch/*/include/asm/suspend*.h
HID CORE LAYER
M: Jiri Kosina <jikos@kernel.org>
-R: Benjamin Tissoires <benjamin.tissoires@redhat.com>
+M: Benjamin Tissoires <benjamin.tissoires@redhat.com>
L: linux-input@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git
S: Maintained
F: drivers/hid/
F: include/linux/hid*
@@ -6861,6 +6861,13 @@ L: linux-acpi@vger.kernel.org
S: Maintained
F: drivers/i2c/i2c-core-acpi.c
+I2C CONTROLLER DRIVER FOR NVIDIA GPU
+M: Ajay Gupta <ajayg@nvidia.com>
+L: linux-i2c@vger.kernel.org
+S: Maintained
+F: Documentation/i2c/busses/i2c-nvidia-gpu
+F: drivers/i2c/busses/i2c-nvidia-gpu.c
+
I2C MUXES
M: Peter Rosin <peda@axentia.se>
L: linux-i2c@vger.kernel.org
@@ -8360,7 +8367,7 @@ F: drivers/media/dvb-frontends/lgdt3305.*
LIBATA PATA ARASAN COMPACT FLASH CONTROLLER
M: Viresh Kumar <vireshk@kernel.org>
L: linux-ide@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
S: Maintained
F: include/linux/pata_arasan_cf_data.h
F: drivers/ata/pata_arasan_cf.c
@@ -8377,7 +8384,7 @@ F: drivers/ata/ata_generic.c
LIBATA PATA FARADAY FTIDE010 AND GEMINI SATA BRIDGE DRIVERS
M: Linus Walleij <linus.walleij@linaro.org>
L: linux-ide@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
S: Maintained
F: drivers/ata/pata_ftide010.c
F: drivers/ata/sata_gemini.c
@@ -8396,7 +8403,7 @@ F: include/linux/ahci_platform.h
LIBATA SATA PROMISE TX2/TX4 CONTROLLER DRIVER
M: Mikael Pettersson <mikpelinux@gmail.com>
L: linux-ide@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
S: Maintained
F: drivers/ata/sata_promise.*
@@ -10777,6 +10784,14 @@ L: linux-omap@vger.kernel.org
S: Maintained
F: arch/arm/mach-omap2/omap_hwmod.*
+OMAP I2C DRIVER
+M: Vignesh R <vigneshr@ti.com>
+L: linux-omap@vger.kernel.org
+L: linux-i2c@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/i2c/i2c-omap.txt
+F: drivers/i2c/busses/i2c-omap.c
+
OMAP IMAGING SUBSYSTEM (OMAP3 ISP and OMAP4 ISS)
M: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
L: linux-media@vger.kernel.org
@@ -15429,9 +15444,9 @@ F: include/linux/usb/gadget*
USB HID/HIDBP DRIVERS (USB KEYBOARDS, MICE, REMOTE CONTROLS, ...)
M: Jiri Kosina <jikos@kernel.org>
-R: Benjamin Tissoires <benjamin.tissoires@redhat.com>
+M: Benjamin Tissoires <benjamin.tissoires@redhat.com>
L: linux-usb@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git
S: Maintained
F: Documentation/hid/hiddev.txt
F: drivers/hid/usbhid/
diff --git a/Makefile b/Makefile
index 9fce8b91c15f..2f36db897895 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
VERSION = 4
PATCHLEVEL = 20
SUBLEVEL = 0
-EXTRAVERSION = -rc1
+EXTRAVERSION = -rc2
NAME = "People's Front"
# *DOCUMENTATION*
diff --git a/arch/alpha/include/asm/termios.h b/arch/alpha/include/asm/termios.h
index 6a8c53dec57e..b7c77bb1bfd2 100644
--- a/arch/alpha/include/asm/termios.h
+++ b/arch/alpha/include/asm/termios.h
@@ -73,9 +73,15 @@
})
#define user_termios_to_kernel_termios(k, u) \
- copy_from_user(k, u, sizeof(struct termios))
+ copy_from_user(k, u, sizeof(struct termios2))
#define kernel_termios_to_user_termios(u, k) \
+ copy_to_user(u, k, sizeof(struct termios2))
+
+#define user_termios_to_kernel_termios_1(k, u) \
+ copy_from_user(k, u, sizeof(struct termios))
+
+#define kernel_termios_to_user_termios_1(u, k) \
copy_to_user(u, k, sizeof(struct termios))
#endif /* _ALPHA_TERMIOS_H */
diff --git a/arch/alpha/include/uapi/asm/ioctls.h b/arch/alpha/include/uapi/asm/ioctls.h
index 1e9121c9b3c7..971311605288 100644
--- a/arch/alpha/include/uapi/asm/ioctls.h
+++ b/arch/alpha/include/uapi/asm/ioctls.h
@@ -32,6 +32,11 @@
#define TCXONC _IO('t', 30)
#define TCFLSH _IO('t', 31)
+#define TCGETS2 _IOR('T', 42, struct termios2)
+#define TCSETS2 _IOW('T', 43, struct termios2)
+#define TCSETSW2 _IOW('T', 44, struct termios2)
+#define TCSETSF2 _IOW('T', 45, struct termios2)
+
#define TIOCSWINSZ _IOW('t', 103, struct winsize)
#define TIOCGWINSZ _IOR('t', 104, struct winsize)
#define TIOCSTART _IO('t', 110) /* start output, like ^Q */
diff --git a/arch/alpha/include/uapi/asm/termbits.h b/arch/alpha/include/uapi/asm/termbits.h
index de6c8360fbe3..4575ba34a0ea 100644
--- a/arch/alpha/include/uapi/asm/termbits.h
+++ b/arch/alpha/include/uapi/asm/termbits.h
@@ -26,6 +26,19 @@ struct termios {
speed_t c_ospeed; /* output speed */
};
+/* Alpha has identical termios and termios2 */
+
+struct termios2 {
+ tcflag_t c_iflag; /* input mode flags */
+ tcflag_t c_oflag; /* output mode flags */
+ tcflag_t c_cflag; /* control mode flags */
+ tcflag_t c_lflag; /* local mode flags */
+ cc_t c_cc[NCCS]; /* control characters */
+ cc_t c_line; /* line discipline (== c_cc[19]) */
+ speed_t c_ispeed; /* input speed */
+ speed_t c_ospeed; /* output speed */
+};
+
/* Alpha has matching termios and ktermios */
struct ktermios {
@@ -152,6 +165,7 @@ struct ktermios {
#define B3000000 00034
#define B3500000 00035
#define B4000000 00036
+#define BOTHER 00037
#define CSIZE 00001400
#define CS5 00000000
@@ -169,6 +183,9 @@ struct ktermios {
#define CMSPAR 010000000000 /* mark or space (stick) parity */
#define CRTSCTS 020000000000 /* flow control */
+#define CIBAUD 07600000
+#define IBSHIFT 16
+
/* c_lflag bits */
#define ISIG 0x00000080
#define ICANON 0x00000100
diff --git a/arch/arm/boot/dts/imx53-ppd.dts b/arch/arm/boot/dts/imx53-ppd.dts
index b560ff88459b..5ff9a179c83c 100644
--- a/arch/arm/boot/dts/imx53-ppd.dts
+++ b/arch/arm/boot/dts/imx53-ppd.dts
@@ -55,7 +55,7 @@
};
chosen {
- stdout-path = "&uart1:115200n8";
+ stdout-path = "serial0:115200n8";
};
memory@70000000 {
diff --git a/arch/arm/boot/dts/imx6sll.dtsi b/arch/arm/boot/dts/imx6sll.dtsi
index ed9a980bce85..beefa1b2049d 100644
--- a/arch/arm/boot/dts/imx6sll.dtsi
+++ b/arch/arm/boot/dts/imx6sll.dtsi
@@ -740,7 +740,7 @@
i2c1: i2c@21a0000 {
#address-cells = <1>;
#size-cells = <0>;
- compatible = "fs,imx6sll-i2c", "fsl,imx21-i2c";
+ compatible = "fsl,imx6sll-i2c", "fsl,imx21-i2c";
reg = <0x021a0000 0x4000>;
interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clks IMX6SLL_CLK_I2C1>;
diff --git a/arch/arm/boot/dts/imx6sx-sdb.dtsi b/arch/arm/boot/dts/imx6sx-sdb.dtsi
index 53b3408b5fab..7d7d679945d2 100644
--- a/arch/arm/boot/dts/imx6sx-sdb.dtsi
+++ b/arch/arm/boot/dts/imx6sx-sdb.dtsi
@@ -117,7 +117,9 @@
regulator-name = "enet_3v3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
- gpios = <&gpio2 6 GPIO_ACTIVE_LOW>;
+ gpio = <&gpio2 6 GPIO_ACTIVE_LOW>;
+ regulator-boot-on;
+ regulator-always-on;
};
reg_pcie_gpio: regulator-pcie-gpio {
@@ -180,6 +182,7 @@
phy-supply = <&reg_enet_3v3>;
phy-mode = "rgmii";
phy-handle = <&ethphy1>;
+ phy-reset-gpios = <&gpio2 7 GPIO_ACTIVE_LOW>;
status = "okay";
mdio {
@@ -373,6 +376,8 @@
MX6SX_PAD_RGMII1_RD3__ENET1_RX_DATA_3 0x3081
MX6SX_PAD_RGMII1_RX_CTL__ENET1_RX_EN 0x3081
MX6SX_PAD_ENET2_RX_CLK__ENET2_REF_CLK_25M 0x91
+ /* phy reset */
+ MX6SX_PAD_ENET2_CRS__GPIO2_IO_7 0x10b0
>;
};
diff --git a/arch/arm/boot/dts/vf610m4-colibri.dts b/arch/arm/boot/dts/vf610m4-colibri.dts
index 41ec66a96990..ca6249558760 100644
--- a/arch/arm/boot/dts/vf610m4-colibri.dts
+++ b/arch/arm/boot/dts/vf610m4-colibri.dts
@@ -50,8 +50,8 @@
compatible = "fsl,vf610m4";
chosen {
- bootargs = "console=ttyLP2,115200 clk_ignore_unused init=/linuxrc rw";
- stdout-path = "&uart2";
+ bootargs = "clk_ignore_unused init=/linuxrc rw";
+ stdout-path = "serial2:115200";
};
memory@8c000000 {
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 1c7616815a86..63af6234c1b6 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -1,7 +1,6 @@
CONFIG_SYSVIPC=y
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
-CONFIG_PREEMPT=y
CONFIG_CGROUPS=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_EMBEDDED=y
diff --git a/arch/arm/include/asm/pgtable-2level.h b/arch/arm/include/asm/pgtable-2level.h
index 92fd2c8a9af0..12659ce5c1f3 100644
--- a/arch/arm/include/asm/pgtable-2level.h
+++ b/arch/arm/include/asm/pgtable-2level.h
@@ -10,7 +10,7 @@
#ifndef _ASM_PGTABLE_2LEVEL_H
#define _ASM_PGTABLE_2LEVEL_H
-#define __PAGETABLE_PMD_FOLDED
+#define __PAGETABLE_PMD_FOLDED 1
/*
* Hardware-wise, we have a two level page table structure, where the first
diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
index 8253a1a9e985..fef7351e9f67 100644
--- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
+++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi
@@ -139,6 +139,7 @@
clock-names = "stmmaceth";
tx-fifo-depth = <16384>;
rx-fifo-depth = <16384>;
+ snps,multicast-filter-bins = <256>;
status = "disabled";
};
@@ -154,6 +155,7 @@
clock-names = "stmmaceth";
tx-fifo-depth = <16384>;
rx-fifo-depth = <16384>;
+ snps,multicast-filter-bins = <256>;
status = "disabled";
};
@@ -169,6 +171,7 @@
clock-names = "stmmaceth";
tx-fifo-depth = <16384>;
rx-fifo-depth = <16384>;
+ snps,multicast-filter-bins = <256>;
status = "disabled";
};
diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index b5f2273caca4..a79c8d369e0b 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -652,7 +652,7 @@
clock-names = "fck", "brg_int", "scif_clk";
dmas = <&dmac1 0x35>, <&dmac1 0x34>,
<&dmac2 0x35>, <&dmac2 0x34>;
- dma-names = "tx", "rx";
+ dma-names = "tx", "rx", "tx", "rx";
power-domains = <&sysc R8A7795_PD_ALWAYS_ON>;
resets = <&cpg 518>;
status = "disabled";
diff --git a/arch/arm64/boot/dts/renesas/r8a77980-condor.dts b/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
index fe2e2c051cc9..5a7012be0d6a 100644
--- a/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
@@ -15,7 +15,7 @@
aliases {
serial0 = &scif0;
- ethernet0 = &avb;
+ ethernet0 = &gether;
};
chosen {
@@ -97,23 +97,6 @@
};
};
-&avb {
- pinctrl-0 = <&avb_pins>;
- pinctrl-names = "default";
-
- phy-mode = "rgmii-id";
- phy-handle = <&phy0>;
- renesas,no-ether-link;
- status = "okay";
-
- phy0: ethernet-phy@0 {
- rxc-skew-ps = <1500>;
- reg = <0>;
- interrupt-parent = <&gpio1>;
- interrupts = <17 IRQ_TYPE_LEVEL_LOW>;
- };
-};
-
&canfd {
pinctrl-0 = <&canfd0_pins>;
pinctrl-names = "default";
@@ -139,6 +122,23 @@
clock-frequency = <32768>;
};
+&gether {
+ pinctrl-0 = <&gether_pins>;
+ pinctrl-names = "default";
+
+ phy-mode = "rgmii-id";
+ phy-handle = <&phy0>;
+ renesas,no-ether-link;
+ status = "okay";
+
+ phy0: ethernet-phy@0 {
+ rxc-skew-ps = <1500>;
+ reg = <0>;
+ interrupt-parent = <&gpio4>;
+ interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
+ };
+};
+
&i2c0 {
pinctrl-0 = <&i2c0_pins>;
pinctrl-names = "default";
@@ -236,16 +236,17 @@
};
&pfc {
- avb_pins: avb {
- groups = "avb_mdio", "avb_rgmii";
- function = "avb";
- };
-
canfd0_pins: canfd0 {
groups = "canfd0_data_a";
function = "canfd0";
};
+ gether_pins: gether {
+ groups = "gether_mdio_a", "gether_rgmii",
+ "gether_txcrefclk", "gether_txcrefclk_mega";
+ function = "gether";
+ };
+
i2c0_pins: i2c0 {
groups = "i2c0";
function = "i2c0";
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h
index 3e2091708b8e..6b0d4dff5012 100644
--- a/arch/arm64/include/asm/processor.h
+++ b/arch/arm64/include/asm/processor.h
@@ -24,6 +24,14 @@
#define KERNEL_DS UL(-1)
#define USER_DS (TASK_SIZE_64 - 1)
+/*
+ * On arm64 systems, unaligned accesses by the CPU are cheap, and so there is
+ * no point in shifting all network buffers by 2 bytes just to make some IP
+ * header fields appear aligned in memory, potentially sacrificing some DMA
+ * performance on some platforms.
+ */
+#define NET_IP_ALIGN 0
+
#ifndef __ASSEMBLY__
#ifdef __KERNEL__
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 9d9582cac6c4..9b432d9fcada 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -483,8 +483,6 @@ void __init arm64_memblock_init(void)
high_memory = __va(memblock_end_of_DRAM() - 1) + 1;
dma_contiguous_reserve(arm64_dma_phys_limit);
-
- memblock_allow_resize();
}
void __init bootmem_init(void)
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index 394b8d554def..d1d6601b385d 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -659,6 +659,8 @@ void __init paging_init(void)
memblock_free(__pa_symbol(init_pg_dir),
__pa_symbol(init_pg_end) - __pa_symbol(init_pg_dir));
+
+ memblock_allow_resize();
}
/*
diff --git a/arch/m68k/include/asm/pgtable_mm.h b/arch/m68k/include/asm/pgtable_mm.h
index 6181e4134483..fe3ddd73a0cc 100644
--- a/arch/m68k/include/asm/pgtable_mm.h
+++ b/arch/m68k/include/asm/pgtable_mm.h
@@ -55,12 +55,12 @@
*/
#ifdef CONFIG_SUN3
#define PTRS_PER_PTE 16
-#define __PAGETABLE_PMD_FOLDED
+#define __PAGETABLE_PMD_FOLDED 1
#define PTRS_PER_PMD 1
#define PTRS_PER_PGD 2048
#elif defined(CONFIG_COLDFIRE)
#define PTRS_PER_PTE 512
-#define __PAGETABLE_PMD_FOLDED
+#define __PAGETABLE_PMD_FOLDED 1
#define PTRS_PER_PMD 1
#define PTRS_PER_PGD 1024
#else
diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h
index f64ebb9c9a41..e14b6621c933 100644
--- a/arch/microblaze/include/asm/pgtable.h
+++ b/arch/microblaze/include/asm/pgtable.h
@@ -63,7 +63,7 @@ extern int mem_init_done;
#include <asm-generic/4level-fixup.h>
-#define __PAGETABLE_PMD_FOLDED
+#define __PAGETABLE_PMD_FOLDED 1
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
diff --git a/arch/mips/cavium-octeon/executive/cvmx-helper.c b/arch/mips/cavium-octeon/executive/cvmx-helper.c
index 75108ec669eb..6c79e8a16a26 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-helper.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-helper.c
@@ -67,7 +67,7 @@ void (*cvmx_override_pko_queue_priority) (int pko_port,
void (*cvmx_override_ipd_port_setup) (int ipd_port);
/* Port count per interface */
-static int interface_port_count[5];
+static int interface_port_count[9];
/**
* Return the number of interfaces the chip has. Each interface
diff --git a/arch/mips/mm/dma-noncoherent.c b/arch/mips/mm/dma-noncoherent.c
index e6c9485cadcf..cb38461391cb 100644
--- a/arch/mips/mm/dma-noncoherent.c
+++ b/arch/mips/mm/dma-noncoherent.c
@@ -50,7 +50,7 @@ void *arch_dma_alloc(struct device *dev, size_t size,
void *ret;
ret = dma_direct_alloc_pages(dev, size, dma_handle, gfp, attrs);
- if (!ret && !(attrs & DMA_ATTR_NON_CONSISTENT)) {
+ if (ret && !(attrs & DMA_ATTR_NON_CONSISTENT)) {
dma_cache_wback_inv((unsigned long) ret, size);
ret = (void *)UNCAC_ADDR(ret);
}
diff --git a/arch/nds32/include/asm/pgtable.h b/arch/nds32/include/asm/pgtable.h
index d3e19a55cf53..9f52db930c00 100644
--- a/arch/nds32/include/asm/pgtable.h
+++ b/arch/nds32/include/asm/pgtable.h
@@ -4,7 +4,7 @@
#ifndef _ASMNDS32_PGTABLE_H
#define _ASMNDS32_PGTABLE_H
-#define __PAGETABLE_PMD_FOLDED
+#define __PAGETABLE_PMD_FOLDED 1
#include <asm-generic/4level-fixup.h>
#include <asm-generic/sizes.h>
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index b941ac7d4e70..c7bb74e22436 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -111,7 +111,7 @@ static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr)
#if CONFIG_PGTABLE_LEVELS == 3
#define BITS_PER_PMD (PAGE_SHIFT + PMD_ORDER - BITS_PER_PMD_ENTRY)
#else
-#define __PAGETABLE_PMD_FOLDED
+#define __PAGETABLE_PMD_FOLDED 1
#define BITS_PER_PMD 0
#endif
#define PTRS_PER_PMD (1UL << BITS_PER_PMD)
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index 0b33577932c3..e21053e5e0da 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -27,7 +27,7 @@ KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-option,-ffreestanding)
KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO),-g)
KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO_DWARF4), $(call cc-option, -gdwarf-4,))
UTS_MACHINE := s390x
-STACK_SIZE := $(if $(CONFIG_KASAN),32768,16384)
+STACK_SIZE := $(if $(CONFIG_KASAN),65536,16384)
CHECKFLAGS += -D__s390__ -D__s390x__
export LD_BFD
diff --git a/arch/s390/boot/compressed/Makefile b/arch/s390/boot/compressed/Makefile
index 593039620487..b1bdd15e3429 100644
--- a/arch/s390/boot/compressed/Makefile
+++ b/arch/s390/boot/compressed/Makefile
@@ -22,10 +22,10 @@ OBJCOPYFLAGS :=
OBJECTS := $(addprefix $(obj)/,$(obj-y))
LDFLAGS_vmlinux := --oformat $(LD_BFD) -e startup -T
-$(obj)/vmlinux: $(obj)/vmlinux.lds $(objtree)/arch/s390/boot/startup.a $(OBJECTS)
+$(obj)/vmlinux: $(obj)/vmlinux.lds $(objtree)/arch/s390/boot/startup.a $(OBJECTS) FORCE
$(call if_changed,ld)
-OBJCOPYFLAGS_info.bin := -O binary --only-section=.vmlinux.info
+OBJCOPYFLAGS_info.bin := -O binary --only-section=.vmlinux.info --set-section-flags .vmlinux.info=load
$(obj)/info.bin: vmlinux FORCE
$(call if_changed,objcopy)
@@ -46,17 +46,17 @@ suffix-$(CONFIG_KERNEL_LZMA) := .lzma
suffix-$(CONFIG_KERNEL_LZO) := .lzo
suffix-$(CONFIG_KERNEL_XZ) := .xz
-$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y)
+$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
$(call if_changed,gzip)
-$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y)
+$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
$(call if_changed,bzip2)
-$(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y)
+$(obj)/vmlinux.bin.lz4: $(vmlinux.bin.all-y) FORCE
$(call if_changed,lz4)
-$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y)
+$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
$(call if_changed,lzma)
-$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y)
+$(obj)/vmlinux.bin.lzo: $(vmlinux.bin.all-y) FORCE
$(call if_changed,lzo)
-$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y)
+$(obj)/vmlinux.bin.xz: $(vmlinux.bin.all-y) FORCE
$(call if_changed,xzkern)
OBJCOPYFLAGS_piggy.o := -I binary -O elf64-s390 -B s390:64-bit --rename-section .data=.vmlinux.bin.compressed
diff --git a/arch/s390/configs/debug_defconfig b/arch/s390/configs/debug_defconfig
index 259d1698ac50..c69cb04b7a59 100644
--- a/arch/s390/configs/debug_defconfig
+++ b/arch/s390/configs/debug_defconfig
@@ -64,6 +64,8 @@ CONFIG_NUMA=y
CONFIG_PREEMPT=y
CONFIG_HZ_100=y
CONFIG_KEXEC_FILE=y
+CONFIG_EXPOLINE=y
+CONFIG_EXPOLINE_AUTO=y
CONFIG_MEMORY_HOTPLUG=y
CONFIG_MEMORY_HOTREMOVE=y
CONFIG_KSM=y
@@ -84,9 +86,11 @@ CONFIG_PCI_DEBUG=y
CONFIG_HOTPLUG_PCI=y
CONFIG_HOTPLUG_PCI_S390=y
CONFIG_CHSC_SCH=y
+CONFIG_VFIO_AP=m
CONFIG_CRASH_DUMP=y
CONFIG_BINFMT_MISC=m
CONFIG_HIBERNATION=y
+CONFIG_PM_DEBUG=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_PACKET_DIAG=m
@@ -161,8 +165,6 @@ CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_CT_NETLINK=m
CONFIG_NF_CT_NETLINK_TIMEOUT=m
CONFIG_NF_TABLES=m
-CONFIG_NFT_EXTHDR=m
-CONFIG_NFT_META=m
CONFIG_NFT_CT=m
CONFIG_NFT_COUNTER=m
CONFIG_NFT_LOG=m
@@ -365,6 +367,8 @@ CONFIG_NET_ACT_SKBEDIT=m
CONFIG_NET_ACT_CSUM=m
CONFIG_DNS_RESOLVER=y
CONFIG_OPENVSWITCH=m
+CONFIG_VSOCKETS=m
+CONFIG_VIRTIO_VSOCKETS=m
CONFIG_NETLINK_DIAG=m
CONFIG_CGROUP_NET_PRIO=y
CONFIG_BPF_JIT=y
@@ -461,6 +465,7 @@ CONFIG_PPTP=m
CONFIG_PPPOL2TP=m
CONFIG_PPP_ASYNC=m
CONFIG_PPP_SYNC_TTY=m
+CONFIG_ISM=m
CONFIG_INPUT_EVDEV=y
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
@@ -486,9 +491,12 @@ CONFIG_MLX4_INFINIBAND=m
CONFIG_MLX5_INFINIBAND=m
CONFIG_VFIO=m
CONFIG_VFIO_PCI=m
+CONFIG_VFIO_MDEV=m
+CONFIG_VFIO_MDEV_DEVICE=m
CONFIG_VIRTIO_PCI=m
CONFIG_VIRTIO_BALLOON=m
CONFIG_VIRTIO_INPUT=y
+CONFIG_S390_AP_IOMMU=y
CONFIG_EXT4_FS=y
CONFIG_EXT4_FS_POSIX_ACL=y
CONFIG_EXT4_FS_SECURITY=y
@@ -615,7 +623,6 @@ CONFIG_DEBUG_CREDENTIALS=y
CONFIG_RCU_TORTURE_TEST=m
CONFIG_RCU_CPU_STALL_TIMEOUT=300
CONFIG_NOTIFIER_ERROR_INJECTION=m
-CONFIG_PM_NOTIFIER_ERROR_INJECT=m
CONFIG_NETDEV_NOTIFIER_ERROR_INJECT=m
CONFIG_FAULT_INJECTION=y
CONFIG_FAILSLAB=y
@@ -727,3 +734,4 @@ CONFIG_APPLDATA_BASE=y
CONFIG_KVM=m
CONFIG_KVM_S390_UCONTROL=y
CONFIG_VHOST_NET=m
+CONFIG_VHOST_VSOCK=m
diff --git a/arch/s390/configs/performance_defconfig b/arch/s390/configs/performance_defconfig
index 37fd60c20e22..32f539dc9c19 100644
--- a/arch/s390/configs/performance_defconfig
+++ b/arch/s390/configs/performance_defconfig
@@ -65,6 +65,8 @@ CONFIG_NR_CPUS=512
CONFIG_NUMA=y
CONFIG_HZ_100=y
CONFIG_KEXEC_FILE=y
+CONFIG_EXPOLINE=y
+CONFIG_EXPOLINE_AUTO=y
CONFIG_MEMORY_HOTPLUG=y
CONFIG_MEMORY_HOTREMOVE=y
CONFIG_KSM=y
@@ -82,9 +84,11 @@ CONFIG_PCI=y
CONFIG_HOTPLUG_PCI=y
CONFIG_HOTPLUG_PCI_S390=y
CONFIG_CHSC_SCH=y
+CONFIG_VFIO_AP=m
CONFIG_CRASH_DUMP=y
CONFIG_BINFMT_MISC=m
CONFIG_HIBERNATION=y
+CONFIG_PM_DEBUG=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_PACKET_DIAG=m
@@ -159,8 +163,6 @@ CONFIG_NF_CONNTRACK_TFTP=m
CONFIG_NF_CT_NETLINK=m
CONFIG_NF_CT_NETLINK_TIMEOUT=m
CONFIG_NF_TABLES=m
-CONFIG_NFT_EXTHDR=m
-CONFIG_NFT_META=m
CONFIG_NFT_CT=m
CONFIG_NFT_COUNTER=m
CONFIG_NFT_LOG=m
@@ -362,6 +364,8 @@ CONFIG_NET_ACT_SKBEDIT=m
CONFIG_NET_ACT_CSUM=m
CONFIG_DNS_RESOLVER=y
CONFIG_OPENVSWITCH=m
+CONFIG_VSOCKETS=m
+CONFIG_VIRTIO_VSOCKETS=m
CONFIG_NETLINK_DIAG=m
CONFIG_CGROUP_NET_PRIO=y
CONFIG_BPF_JIT=y
@@ -458,6 +462,7 @@ CONFIG_PPTP=m
CONFIG_PPPOL2TP=m
CONFIG_PPP_ASYNC=m
CONFIG_PPP_SYNC_TTY=m
+CONFIG_ISM=m
CONFIG_INPUT_EVDEV=y
# CONFIG_INPUT_KEYBOARD is not set
# CONFIG_INPUT_MOUSE is not set
@@ -483,9 +488,12 @@ CONFIG_MLX4_INFINIBAND=m
CONFIG_MLX5_INFINIBAND=m
CONFIG_VFIO=m
CONFIG_VFIO_PCI=m
+CONFIG_VFIO_MDEV=m
+CONFIG_VFIO_MDEV_DEVICE=m
CONFIG_VIRTIO_PCI=m
CONFIG_VIRTIO_BALLOON=m
CONFIG_VIRTIO_INPUT=y
+CONFIG_S390_AP_IOMMU=y
CONFIG_EXT4_FS=y
CONFIG_EXT4_FS_POSIX_ACL=y
CONFIG_EXT4_FS_SECURITY=y
@@ -666,3 +674,4 @@ CONFIG_APPLDATA_BASE=y
CONFIG_KVM=m
CONFIG_KVM_S390_UCONTROL=y
CONFIG_VHOST_NET=m
+CONFIG_VHOST_VSOCK=m
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index 7cb6a52f727d..4d58a92b5d97 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -26,14 +26,23 @@ CONFIG_CGROUP_CPUACCT=y
CONFIG_CGROUP_PERF=y
CONFIG_NAMESPACES=y
CONFIG_USER_NS=y
+CONFIG_CHECKPOINT_RESTORE=y
CONFIG_BLK_DEV_INITRD=y
CONFIG_EXPERT=y
# CONFIG_SYSFS_SYSCALL is not set
-CONFIG_CHECKPOINT_RESTORE=y
CONFIG_BPF_SYSCALL=y
CONFIG_USERFAULTFD=y
# CONFIG_COMPAT_BRK is not set
CONFIG_PROFILING=y
+CONFIG_LIVEPATCH=y
+CONFIG_NR_CPUS=256
+CONFIG_NUMA=y
+CONFIG_HZ_100=y
+CONFIG_KEXEC_FILE=y
+CONFIG_CRASH_DUMP=y
+CONFIG_HIBERNATION=y
+CONFIG_PM_DEBUG=y
+CONFIG_CMM=m
CONFIG_OPROFILE=y
CONFIG_KPROBES=y
CONFIG_JUMP_LABEL=y
@@ -44,11 +53,7 @@ CONFIG_BLK_DEV_INTEGRITY=y
CONFIG_PARTITION_ADVANCED=y
CONFIG_IBM_PARTITION=y
CONFIG_DEFAULT_DEADLINE=y
-CONFIG_LIVEPATCH=y
-CONFIG_NR_CPUS=256
-CONFIG_NUMA=y
-CONFIG_HZ_100=y
-CONFIG_KEXEC_FILE=y
+CONFIG_BINFMT_MISC=m
CONFIG_MEMORY_HOTPLUG=y
CONFIG_MEMORY_HOTREMOVE=y
CONFIG_KSM=y
@@ -60,9 +65,6 @@ CONFIG_ZBUD=m
CONFIG_ZSMALLOC=m
CONFIG_ZSMALLOC_STAT=y
CONFIG_IDLE_PAGE_TRACKING=y
-CONFIG_CRASH_DUMP=y
-CONFIG_BINFMT_MISC=m
-CONFIG_HIBERNATION=y
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
@@ -98,6 +100,7 @@ CONFIG_BLK_DEV_NBD=m
CONFIG_BLK_DEV_RAM=y
CONFIG_VIRTIO_BLK=y
CONFIG_SCSI=y
+# CONFIG_SCSI_MQ_DEFAULT is not set
CONFIG_BLK_DEV_SD=y
CONFIG_CHR_DEV_ST=y
CONFIG_BLK_DEV_SR=y
@@ -131,6 +134,7 @@ CONFIG_EQUALIZER=m
CONFIG_TUN=m
CONFIG_VIRTIO_NET=y
# CONFIG_NET_VENDOR_ALACRITECH is not set
+# CONFIG_NET_VENDOR_AURORA is not set
# CONFIG_NET_VENDOR_CORTINA is not set
# CONFIG_NET_VENDOR_SOLARFLARE is not set
# CONFIG_NET_VENDOR_SOCIONEXT is not set
@@ -157,33 +161,6 @@ CONFIG_TMPFS=y
CONFIG_TMPFS_POSIX_ACL=y
CONFIG_HUGETLBFS=y
# CONFIG_NETWORK_FILESYSTEMS is not set
-CONFIG_DEBUG_INFO=y
-CONFIG_DEBUG_INFO_DWARF4=y
-CONFIG_GDB_SCRIPTS=y
-CONFIG_UNUSED_SYMBOLS=y
-CONFIG_DEBUG_SECTION_MISMATCH=y
-CONFIG_DEBUG_FORCE_WEAK_PER_CPU=y
-CONFIG_MAGIC_SYSRQ=y
-CONFIG_DEBUG_PAGEALLOC=y
-CONFIG_DETECT_HUNG_TASK=y
-CONFIG_PANIC_ON_OOPS=y
-CONFIG_PROVE_LOCKING=y
-CONFIG_LOCK_STAT=y
-CONFIG_DEBUG_LOCKDEP=y
-CONFIG_DEBUG_ATOMIC_SLEEP=y
-CONFIG_DEBUG_LIST=y
-CONFIG_DEBUG_SG=y
-CONFIG_DEBUG_NOTIFIERS=y
-CONFIG_RCU_CPU_STALL_TIMEOUT=60
-CONFIG_LATENCYTOP=y
-CONFIG_SCHED_TRACER=y
-CONFIG_FTRACE_SYSCALLS=y
-CONFIG_TRACER_SNAPSHOT_PER_CPU_SWAP=y
-CONFIG_STACK_TRACER=y
-CONFIG_BLK_DEV_IO_TRACE=y
-CONFIG_FUNCTION_PROFILER=y
-# CONFIG_RUNTIME_TESTING_MENU is not set
-CONFIG_S390_PTDUMP=y
CONFIG_CRYPTO_CRYPTD=m
CONFIG_CRYPTO_AUTHENC=m
CONFIG_CRYPTO_TEST=m
@@ -193,6 +170,7 @@ CONFIG_CRYPTO_CBC=y
CONFIG_CRYPTO_CFB=m
CONFIG_CRYPTO_CTS=m
CONFIG_CRYPTO_LRW=m
+CONFIG_CRYPTO_OFB=m
CONFIG_CRYPTO_PCBC=m
CONFIG_CRYPTO_XTS=m
CONFIG_CRYPTO_CMAC=m
@@ -231,7 +209,6 @@ CONFIG_CRYPTO_USER_API_HASH=m
CONFIG_CRYPTO_USER_API_SKCIPHER=m
CONFIG_CRYPTO_USER_API_RNG=m
CONFIG_ZCRYPT=m
-CONFIG_ZCRYPT_MULTIDEVNODES=y
CONFIG_PKEY=m
CONFIG_CRYPTO_PAES_S390=m
CONFIG_CRYPTO_SHA1_S390=m
@@ -247,4 +224,30 @@ CONFIG_CRC7=m
# CONFIG_XZ_DEC_ARM is not set
# CONFIG_XZ_DEC_ARMTHUMB is not set
# CONFIG_XZ_DEC_SPARC is not set
-CONFIG_CMM=m
+CONFIG_DEBUG_INFO=y
+CONFIG_DEBUG_INFO_DWARF4=y
+CONFIG_GDB_SCRIPTS=y
+CONFIG_UNUSED_SYMBOLS=y
+CONFIG_DEBUG_SECTION_MISMATCH=y
+CONFIG_DEBUG_FORCE_WEAK_PER_CPU=y
+CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_PAGEALLOC=y
+CONFIG_DETECT_HUNG_TASK=y
+CONFIG_PANIC_ON_OOPS=y
+CONFIG_PROVE_LOCKING=y
+CONFIG_LOCK_STAT=y
+CONFIG_DEBUG_LOCKDEP=y
+CONFIG_DEBUG_ATOMIC_SLEEP=y
+CONFIG_DEBUG_LIST=y
+CONFIG_DEBUG_SG=y
+CONFIG_DEBUG_NOTIFIERS=y
+CONFIG_RCU_CPU_STALL_TIMEOUT=60
+CONFIG_LATENCYTOP=y
+CONFIG_SCHED_TRACER=y
+CONFIG_FTRACE_SYSCALLS=y
+CONFIG_TRACER_SNAPSHOT_PER_CPU_SWAP=y
+CONFIG_STACK_TRACER=y
+CONFIG_BLK_DEV_IO_TRACE=y
+CONFIG_FUNCTION_PROFILER=y
+# CONFIG_RUNTIME_TESTING_MENU is not set
+CONFIG_S390_PTDUMP=y
diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h
index dbd689d556ce..ccbb53e22024 100644
--- a/arch/s390/include/asm/mmu_context.h
+++ b/arch/s390/include/asm/mmu_context.h
@@ -46,8 +46,6 @@ static inline int init_new_context(struct task_struct *tsk,
mm->context.asce_limit = STACK_TOP_MAX;
mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
_ASCE_USER_BITS | _ASCE_TYPE_REGION3;
- /* pgd_alloc() did not account this pud */
- mm_inc_nr_puds(mm);
break;
case -PAGE_SIZE:
/* forked 5-level task, set new asce with new_mm->pgd */
@@ -63,9 +61,6 @@ static inline int init_new_context(struct task_struct *tsk,
/* forked 2-level compat task, set new asce with new mm->pgd */
mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
_ASCE_USER_BITS | _ASCE_TYPE_SEGMENT;
- /* pgd_alloc() did not account this pmd */
- mm_inc_nr_pmds(mm);
- mm_inc_nr_puds(mm);
}
crst_table_init((unsigned long *) mm->pgd, pgd_entry_type(mm));
return 0;
diff --git a/arch/s390/include/asm/pgalloc.h b/arch/s390/include/asm/pgalloc.h
index f0f9bcf94c03..5ee733720a57 100644
--- a/arch/s390/include/asm/pgalloc.h
+++ b/arch/s390/include/asm/pgalloc.h
@@ -36,11 +36,11 @@ static inline void crst_table_init(unsigned long *crst, unsigned long entry)
static inline unsigned long pgd_entry_type(struct mm_struct *mm)
{
- if (mm->context.asce_limit <= _REGION3_SIZE)
+ if (mm_pmd_folded(mm))
return _SEGMENT_ENTRY_EMPTY;
- if (mm->context.asce_limit <= _REGION2_SIZE)
+ if (mm_pud_folded(mm))
return _REGION3_ENTRY_EMPTY;
- if (mm->context.asce_limit <= _REGION1_SIZE)
+ if (mm_p4d_folded(mm))
return _REGION2_ENTRY_EMPTY;
return _REGION1_ENTRY_EMPTY;
}
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 411d435e7a7d..063732414dfb 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -493,6 +493,24 @@ static inline int is_module_addr(void *addr)
_REGION_ENTRY_PROTECT | \
_REGION_ENTRY_NOEXEC)
+static inline bool mm_p4d_folded(struct mm_struct *mm)
+{
+ return mm->context.asce_limit <= _REGION1_SIZE;
+}
+#define mm_p4d_folded(mm) mm_p4d_folded(mm)
+
+static inline bool mm_pud_folded(struct mm_struct *mm)
+{
+ return mm->context.asce_limit <= _REGION2_SIZE;
+}
+#define mm_pud_folded(mm) mm_pud_folded(mm)
+
+static inline bool mm_pmd_folded(struct mm_struct *mm)
+{
+ return mm->context.asce_limit <= _REGION3_SIZE;
+}
+#define mm_pmd_folded(mm) mm_pmd_folded(mm)
+
static inline int mm_has_pgste(struct mm_struct *mm)
{
#ifdef CONFIG_PGSTE
diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h
index 27248f42a03c..ce4e17c9aad6 100644
--- a/arch/s390/include/asm/thread_info.h
+++ b/arch/s390/include/asm/thread_info.h
@@ -14,7 +14,7 @@
* General size of kernel stacks
*/
#ifdef CONFIG_KASAN
-#define THREAD_SIZE_ORDER 3
+#define THREAD_SIZE_ORDER 4
#else
#define THREAD_SIZE_ORDER 2
#endif
diff --git a/arch/s390/include/asm/tlb.h b/arch/s390/include/asm/tlb.h
index 457b7ba0fbb6..b31c779cf581 100644
--- a/arch/s390/include/asm/tlb.h
+++ b/arch/s390/include/asm/tlb.h
@@ -136,7 +136,7 @@ static inline void pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte,
static inline void pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd,
unsigned long address)
{
- if (tlb->mm->context.asce_limit <= _REGION3_SIZE)
+ if (mm_pmd_folded(tlb->mm))
return;
pgtable_pmd_page_dtor(virt_to_page(pmd));
tlb_remove_table(tlb, pmd);
@@ -152,7 +152,7 @@ static inline void pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd,
static inline void p4d_free_tlb(struct mmu_gather *tlb, p4d_t *p4d,
unsigned long address)
{
- if (tlb->mm->context.asce_limit <= _REGION1_SIZE)
+ if (mm_p4d_folded(tlb->mm))
return;
tlb_remove_table(tlb, p4d);
}
@@ -167,7 +167,7 @@ static inline void p4d_free_tlb(struct mmu_gather *tlb, p4d_t *p4d,
static inline void pud_free_tlb(struct mmu_gather *tlb, pud_t *pud,
unsigned long address)
{
- if (tlb->mm->context.asce_limit <= _REGION2_SIZE)
+ if (mm_pud_folded(tlb->mm))
return;
tlb_remove_table(tlb, pud);
}
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 724fba4d09d2..39191a0feed1 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -236,10 +236,10 @@ ENTRY(__switch_to)
stmg %r6,%r15,__SF_GPRS(%r15) # store gprs of prev task
lghi %r4,__TASK_stack
lghi %r1,__TASK_thread
- lg %r5,0(%r4,%r3) # start of kernel stack of next
+ llill %r5,STACK_INIT
stg %r15,__THREAD_ksp(%r1,%r2) # store kernel stack of prev
- lgr %r15,%r5
- aghi %r15,STACK_INIT # end of kernel stack of next
+ lg %r15,0(%r4,%r3) # start of kernel stack of next
+ agr %r15,%r5 # end of kernel stack of next
stg %r3,__LC_CURRENT # store task struct of next
stg %r15,__LC_KERNEL_STACK # store end of kernel stack
lg %r15,__THREAD_ksp(%r1,%r3) # load kernel stack of next
diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c
index cc085e2d2ce9..74091fd3101e 100644
--- a/arch/s390/kernel/perf_cpum_cf.c
+++ b/arch/s390/kernel/perf_cpum_cf.c
@@ -373,7 +373,7 @@ static int __hw_perf_event_init(struct perf_event *event)
return -ENOENT;
if (ev > PERF_CPUM_CF_MAX_CTR)
- return -EINVAL;
+ return -ENOENT;
/* Obtain the counter set to which the specified counter belongs */
set = get_counter_set(ev);
diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c
index 7bf604ff50a1..bfabeb1889cc 100644
--- a/arch/s390/kernel/perf_cpum_sf.c
+++ b/arch/s390/kernel/perf_cpum_sf.c
@@ -1842,10 +1842,30 @@ static void cpumsf_pmu_del(struct perf_event *event, int flags)
CPUMF_EVENT_ATTR(SF, SF_CYCLES_BASIC, PERF_EVENT_CPUM_SF);
CPUMF_EVENT_ATTR(SF, SF_CYCLES_BASIC_DIAG, PERF_EVENT_CPUM_SF_DIAG);
-static struct attribute *cpumsf_pmu_events_attr[] = {
- CPUMF_EVENT_PTR(SF, SF_CYCLES_BASIC),
- NULL,
- NULL,
+/* Attribute list for CPU_SF.
+ *
+ * The availablitiy depends on the CPU_MF sampling facility authorization
+ * for basic + diagnositic samples. This is determined at initialization
+ * time by the sampling facility device driver.
+ * If the authorization for basic samples is turned off, it should be
+ * also turned off for diagnostic sampling.
+ *
+ * During initialization of the device driver, check the authorization
+ * level for diagnostic sampling and installs the attribute
+ * file for diagnostic sampling if necessary.
+ *
+ * For now install a placeholder to reference all possible attributes:
+ * SF_CYCLES_BASIC and SF_CYCLES_BASIC_DIAG.
+ * Add another entry for the final NULL pointer.
+ */
+enum {
+ SF_CYCLES_BASIC_ATTR_IDX = 0,
+ SF_CYCLES_BASIC_DIAG_ATTR_IDX,
+ SF_CYCLES_ATTR_MAX
+};
+
+static struct attribute *cpumsf_pmu_events_attr[SF_CYCLES_ATTR_MAX + 1] = {
+ [SF_CYCLES_BASIC_ATTR_IDX] = CPUMF_EVENT_PTR(SF, SF_CYCLES_BASIC)
};
PMU_FORMAT_ATTR(event, "config:0-63");
@@ -2040,7 +2060,10 @@ static int __init init_cpum_sampling_pmu(void)
if (si.ad) {
sfb_set_limits(CPUM_SF_MIN_SDB, CPUM_SF_MAX_SDB);
- cpumsf_pmu_events_attr[1] =
+ /* Sampling of diagnostic data authorized,
+ * install event into attribute list of PMU device.
+ */
+ cpumsf_pmu_events_attr[SF_CYCLES_BASIC_DIAG_ATTR_IDX] =
CPUMF_EVENT_PTR(SF, SF_CYCLES_BASIC_DIAG);
}
diff --git a/arch/s390/kernel/vdso32/Makefile b/arch/s390/kernel/vdso32/Makefile
index eb8aebea3ea7..e76309fbbcb3 100644
--- a/arch/s390/kernel/vdso32/Makefile
+++ b/arch/s390/kernel/vdso32/Makefile
@@ -37,7 +37,7 @@ KASAN_SANITIZE := n
$(obj)/vdso32_wrapper.o : $(obj)/vdso32.so
# link rule for the .so file, .lds has to be first
-$(obj)/vdso32.so.dbg: $(src)/vdso32.lds $(obj-vdso32)
+$(obj)/vdso32.so.dbg: $(src)/vdso32.lds $(obj-vdso32) FORCE
$(call if_changed,vdso32ld)
# strip rule for the .so file
@@ -46,12 +46,12 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE
$(call if_changed,objcopy)
# assembly rules for the .S files
-$(obj-vdso32): %.o: %.S
+$(obj-vdso32): %.o: %.S FORCE
$(call if_changed_dep,vdso32as)
# actual build commands
quiet_cmd_vdso32ld = VDSO32L $@
- cmd_vdso32ld = $(CC) $(c_flags) -Wl,-T $^ -o $@
+ cmd_vdso32ld = $(CC) $(c_flags) -Wl,-T $(filter %.lds %.o,$^) -o $@
quiet_cmd_vdso32as = VDSO32A $@
cmd_vdso32as = $(CC) $(a_flags) -c -o $@ $<
diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile
index a22b2cf86eec..f849ac61c5da 100644
--- a/arch/s390/kernel/vdso64/Makefile
+++ b/arch/s390/kernel/vdso64/Makefile
@@ -37,7 +37,7 @@ KASAN_SANITIZE := n
$(obj)/vdso64_wrapper.o : $(obj)/vdso64.so
# link rule for the .so file, .lds has to be first
-$(obj)/vdso64.so.dbg: $(src)/vdso64.lds $(obj-vdso64)
+$(obj)/vdso64.so.dbg: $(src)/vdso64.lds $(obj-vdso64) FORCE
$(call if_changed,vdso64ld)
# strip rule for the .so file
@@ -46,12 +46,12 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE
$(call if_changed,objcopy)
# assembly rules for the .S files
-$(obj-vdso64): %.o: %.S
+$(obj-vdso64): %.o: %.S FORCE
$(call if_changed_dep,vdso64as)
# actual build commands
quiet_cmd_vdso64ld = VDSO64L $@
- cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $^ -o $@
+ cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $(filter %.lds %.o,$^) -o $@
quiet_cmd_vdso64as = VDSO64A $@
cmd_vdso64as = $(CC) $(a_flags) -c -o $@ $<
diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index 21eb7407d51b..8429ab079715 100644
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -154,14 +154,14 @@ SECTIONS
* uncompressed image info used by the decompressor
* it should match struct vmlinux_info
*/
- .vmlinux.info 0 : {
+ .vmlinux.info 0 (INFO) : {
QUAD(_stext) /* default_lma */
QUAD(startup_continue) /* entry */
QUAD(__bss_start - _stext) /* image_size */
QUAD(__bss_stop - __bss_start) /* bss_size */
QUAD(__boot_data_start) /* bootdata_off */
QUAD(__boot_data_end - __boot_data_start) /* bootdata_size */
- }
+ } :NONE
/* Debugging sections. */
STABS_DEBUG
diff --git a/arch/s390/mm/pgalloc.c b/arch/s390/mm/pgalloc.c
index 76d89ee8b428..814f26520aa2 100644
--- a/arch/s390/mm/pgalloc.c
+++ b/arch/s390/mm/pgalloc.c
@@ -101,6 +101,7 @@ int crst_table_upgrade(struct mm_struct *mm, unsigned long end)
mm->context.asce_limit = _REGION1_SIZE;
mm->context.asce = __pa(mm->pgd) | _ASCE_TABLE_LENGTH |
_ASCE_USER_BITS | _ASCE_TYPE_REGION2;
+ mm_inc_nr_puds(mm);
} else {
crst_table_init(table, _REGION1_ENTRY_EMPTY);
pgd_populate(mm, (pgd_t *) table, (p4d_t *) pgd);
diff --git a/arch/s390/numa/numa.c b/arch/s390/numa/numa.c
index ae0d9e889534..d31bde0870d8 100644
--- a/arch/s390/numa/numa.c
+++ b/arch/s390/numa/numa.c
@@ -53,6 +53,7 @@ int __node_distance(int a, int b)
{
return mode->distance ? mode->distance(a, b) : 0;
}
+EXPORT_SYMBOL(__node_distance);
int numa_debug_enabled;
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 74c002ddc0ce..28c40624bcb6 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -1305,6 +1305,7 @@ static int ubd_queue_one_vec(struct blk_mq_hw_ctx *hctx, struct request *req,
io_req->fds[0] = dev->cow.fd;
else
io_req->fds[0] = dev->fd;
+ io_req->error = 0;
if (req_op(req) == REQ_OP_FLUSH) {
io_req->op = UBD_FLUSH;
@@ -1313,9 +1314,7 @@ static int ubd_queue_one_vec(struct blk_mq_hw_ctx *hctx, struct request *req,
io_req->cow_offset = -1;
io_req->offset = off;
io_req->length = bvec->bv_len;
- io_req->error = 0;
io_req->sector_mask = 0;
-
io_req->op = rq_data_dir(req) == READ ? UBD_READ : UBD_WRITE;
io_req->offsets[0] = 0;
io_req->offsets[1] = dev->cow.data_offset;
@@ -1341,11 +1340,14 @@ static int ubd_queue_one_vec(struct blk_mq_hw_ctx *hctx, struct request *req,
static blk_status_t ubd_queue_rq(struct blk_mq_hw_ctx *hctx,
const struct blk_mq_queue_data *bd)
{
+ struct ubd *ubd_dev = hctx->queue->queuedata;
struct request *req = bd->rq;
int ret = 0;
blk_mq_start_request(req);
+ spin_lock_irq(&ubd_dev->lock);
+
if (req_op(req) == REQ_OP_FLUSH) {
ret = ubd_queue_one_vec(hctx, req, 0, NULL);
} else {
@@ -1361,9 +1363,11 @@ static blk_status_t ubd_queue_rq(struct blk_mq_hw_ctx *hctx,
}
}
out:
- if (ret < 0) {
+ spin_unlock_irq(&ubd_dev->lock);
+
+ if (ret < 0)
blk_mq_requeue_request(req, true);
- }
+
return BLK_STS_OK;
}
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index ba7e3464ee92..9d734f3c8234 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -525,7 +525,6 @@ config X86_VSMP
bool "ScaleMP vSMP"
select HYPERVISOR_GUEST
select PARAVIRT
- select PARAVIRT_XXL
depends on X86_64 && PCI
depends on X86_EXTENDED_PLATFORM
depends on SMP
diff --git a/arch/x86/Makefile b/arch/x86/Makefile
index 5b562e464009..88398fdf8129 100644
--- a/arch/x86/Makefile
+++ b/arch/x86/Makefile
@@ -213,8 +213,6 @@ ifdef CONFIG_X86_64
KBUILD_LDFLAGS += $(call ld-option, -z max-page-size=0x200000)
endif
-# Speed up the build
-KBUILD_CFLAGS += -pipe
# Workaround for a gcc prelease that unfortunately was shipped in a suse release
KBUILD_CFLAGS += -Wno-sign-compare
#
@@ -239,7 +237,7 @@ archheaders:
archmacros:
$(Q)$(MAKE) $(build)=arch/x86/kernel arch/x86/kernel/macros.s
-ASM_MACRO_FLAGS = -Wa,arch/x86/kernel/macros.s -Wa,-
+ASM_MACRO_FLAGS = -Wa,arch/x86/kernel/macros.s
export ASM_MACRO_FLAGS
KBUILD_CFLAGS += $(ASM_MACRO_FLAGS)
diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index 4da9b1c58d28..c1a812bd5a27 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -221,6 +221,8 @@ static inline void mce_hygon_feature_init(struct cpuinfo_x86 *c) { return mce_am
int mce_available(struct cpuinfo_x86 *c);
bool mce_is_memory_error(struct mce *m);
+bool mce_is_correctable(struct mce *m);
+int mce_usable_address(struct mce *m);
DECLARE_PER_CPU(unsigned, mce_exception_count);
DECLARE_PER_CPU(unsigned, mce_poll_count);
diff --git a/arch/x86/include/asm/mshyperv.h b/arch/x86/include/asm/mshyperv.h
index 0d6271cce198..1d0a7778e163 100644
--- a/arch/x86/include/asm/mshyperv.h
+++ b/arch/x86/include/asm/mshyperv.h
@@ -232,7 +232,7 @@ static inline u64 hv_do_fast_hypercall16(u16 code, u64 input1, u64 input2)
: "cc");
}
#endif
- return hv_status;
+ return hv_status;
}
/*
diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h
index cd0cf1c568b4..8f657286d599 100644
--- a/arch/x86/include/asm/page_64_types.h
+++ b/arch/x86/include/asm/page_64_types.h
@@ -33,12 +33,14 @@
/*
* Set __PAGE_OFFSET to the most negative possible address +
- * PGDIR_SIZE*16 (pgd slot 272). The gap is to allow a space for a
- * hypervisor to fit. Choosing 16 slots here is arbitrary, but it's
- * what Xen requires.
+ * PGDIR_SIZE*17 (pgd slot 273).
+ *
+ * The gap is to allow a space for LDT remap for PTI (1 pgd slot) and space for
+ * a hypervisor (16 slots). Choosing 16 slots for a hypervisor is arbitrary,
+ * but it's what Xen requires.
*/
-#define __PAGE_OFFSET_BASE_L5 _AC(0xff10000000000000, UL)
-#define __PAGE_OFFSET_BASE_L4 _AC(0xffff880000000000, UL)
+#define __PAGE_OFFSET_BASE_L5 _AC(0xff11000000000000, UL)
+#define __PAGE_OFFSET_BASE_L4 _AC(0xffff888000000000, UL)
#ifdef CONFIG_DYNAMIC_MEMORY_LAYOUT
#define __PAGE_OFFSET page_offset_base
diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h
index 04edd2d58211..84bd9bdc1987 100644
--- a/arch/x86/include/asm/pgtable_64_types.h
+++ b/arch/x86/include/asm/pgtable_64_types.h
@@ -111,9 +111,7 @@ extern unsigned int ptrs_per_p4d;
*/
#define MAXMEM (1UL << MAX_PHYSMEM_BITS)
-#define LDT_PGD_ENTRY_L4 -3UL
-#define LDT_PGD_ENTRY_L5 -112UL
-#define LDT_PGD_ENTRY (pgtable_l5_enabled() ? LDT_PGD_ENTRY_L5 : LDT_PGD_ENTRY_L4)
+#define LDT_PGD_ENTRY -240UL
#define LDT_BASE_ADDR (LDT_PGD_ENTRY << PGDIR_SHIFT)
#define LDT_END_ADDR (LDT_BASE_ADDR + PGDIR_SIZE)
diff --git a/arch/x86/include/asm/qspinlock.h b/arch/x86/include/asm/qspinlock.h
index 87623c6b13db..bd5ac6cc37db 100644
--- a/arch/x86/include/asm/qspinlock.h
+++ b/arch/x86/include/asm/qspinlock.h
@@ -13,12 +13,15 @@
#define queued_fetch_set_pending_acquire queued_fetch_set_pending_acquire
static __always_inline u32 queued_fetch_set_pending_acquire(struct qspinlock *lock)
{
- u32 val = 0;
-
- if (GEN_BINARY_RMWcc(LOCK_PREFIX "btsl", lock->val.counter, c,
- "I", _Q_PENDING_OFFSET))
- val |= _Q_PENDING_VAL;
+ u32 val;
+ /*
+ * We can't use GEN_BINARY_RMWcc() inside an if() stmt because asm goto
+ * and CONFIG_PROFILE_ALL_BRANCHES=y results in a label inside a
+ * statement expression, which GCC doesn't like.
+ */
+ val = GEN_BINARY_RMWcc(LOCK_PREFIX "btsl", lock->val.counter, c,
+ "I", _Q_PENDING_OFFSET) * _Q_PENDING_VAL;
val |= atomic_read(&lock->val) & ~_Q_PENDING_MASK;
return val;
diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h
index 123e669bf363..790ce08e41f2 100644
--- a/arch/x86/include/asm/xen/page.h
+++ b/arch/x86/include/asm/xen/page.h
@@ -9,7 +9,7 @@
#include <linux/mm.h>
#include <linux/device.h>
-#include <linux/uaccess.h>
+#include <asm/extable.h>
#include <asm/page.h>
#include <asm/pgtable.h>
@@ -93,12 +93,39 @@ clear_foreign_p2m_mapping(struct gnttab_unmap_grant_ref *unmap_ops,
*/
static inline int xen_safe_write_ulong(unsigned long *addr, unsigned long val)
{
- return __put_user(val, (unsigned long __user *)addr);
+ int ret = 0;
+
+ asm volatile("1: mov %[val], %[ptr]\n"
+ "2:\n"
+ ".section .fixup, \"ax\"\n"
+ "3: sub $1, %[ret]\n"
+ " jmp 2b\n"
+ ".previous\n"
+ _ASM_EXTABLE(1b, 3b)
+ : [ret] "+r" (ret), [ptr] "=m" (*addr)
+ : [val] "r" (val));
+
+ return ret;
}
-static inline int xen_safe_read_ulong(unsigned long *addr, unsigned long *val)
+static inline int xen_safe_read_ulong(const unsigned long *addr,
+ unsigned long *val)
{
- return __get_user(*val, (unsigned long __user *)addr);
+ int ret = 0;
+ unsigned long rval = ~0ul;
+
+ asm volatile("1: mov %[ptr], %[rval]\n"
+ "2:\n"
+ ".section .fixup, \"ax\"\n"
+ "3: sub $1, %[ret]\n"
+ " jmp 2b\n"
+ ".previous\n"
+ _ASM_EXTABLE(1b, 3b)
+ : [ret] "+r" (ret), [rval] "+r" (rval)
+ : [ptr] "m" (*addr));
+ *val = rval;
+
+ return ret;
}
#ifdef CONFIG_XEN_PV
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 8c66d2fc8f81..36d2696c9563 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -485,7 +485,7 @@ static void mce_report_event(struct pt_regs *regs)
* be somewhat complicated (e.g. segment offset would require an instruction
* parser). So only support physical addresses up to page granuality for now.
*/
-static int mce_usable_address(struct mce *m)
+int mce_usable_address(struct mce *m)
{
if (!(m->status & MCI_STATUS_ADDRV))
return 0;
@@ -505,6 +505,7 @@ static int mce_usable_address(struct mce *m)
return 1;
}
+EXPORT_SYMBOL_GPL(mce_usable_address);
bool mce_is_memory_error(struct mce *m)
{
@@ -534,7 +535,7 @@ bool mce_is_memory_error(struct mce *m)
}
EXPORT_SYMBOL_GPL(mce_is_memory_error);
-static bool mce_is_correctable(struct mce *m)
+bool mce_is_correctable(struct mce *m)
{
if (m->cpuvendor == X86_VENDOR_AMD && m->status & MCI_STATUS_DEFERRED)
return false;
@@ -547,6 +548,7 @@ static bool mce_is_correctable(struct mce *m)
return true;
}
+EXPORT_SYMBOL_GPL(mce_is_correctable);
static bool cec_add_mce(struct mce *m)
{
diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
index 1c72f3819eb1..e81a2db42df7 100644
--- a/arch/x86/kernel/cpu/mshyperv.c
+++ b/arch/x86/kernel/cpu/mshyperv.c
@@ -20,6 +20,7 @@
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/kexec.h>
+#include <linux/i8253.h>
#include <asm/processor.h>
#include <asm/hypervisor.h>
#include <asm/hyperv-tlfs.h>
@@ -295,6 +296,16 @@ static void __init ms_hyperv_init_platform(void)
if (efi_enabled(EFI_BOOT))
x86_platform.get_nmi_reason = hv_get_nmi_reason;
+ /*
+ * Hyper-V VMs have a PIT emulation quirk such that zeroing the
+ * counter register during PIT shutdown restarts the PIT. So it
+ * continues to interrupt @18.2 HZ. Setting i8253_clear_counter
+ * to false tells pit_shutdown() not to zero the counter so that
+ * the PIT really is shutdown. Generation 2 VMs don't have a PIT,
+ * and setting this value has no effect.
+ */
+ i8253_clear_counter_on_shutdown = false;
+
#if IS_ENABLED(CONFIG_HYPERV)
/*
* Setup the hook to get control post apic initialization.
diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c
index d9ab49bed8af..0eda91f8eeac 100644
--- a/arch/x86/kernel/cpu/vmware.c
+++ b/arch/x86/kernel/cpu/vmware.c
@@ -77,7 +77,7 @@ static __init int setup_vmw_sched_clock(char *s)
}
early_param("no-vmw-sched-clock", setup_vmw_sched_clock);
-static unsigned long long vmware_sched_clock(void)
+static unsigned long long notrace vmware_sched_clock(void)
{
unsigned long long ns;
diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c
index ab18e0884dc6..6135ae8ce036 100644
--- a/arch/x86/kernel/ldt.c
+++ b/arch/x86/kernel/ldt.c
@@ -199,14 +199,6 @@ static void sanity_check_ldt_mapping(struct mm_struct *mm)
/*
* If PTI is enabled, this maps the LDT into the kernelmode and
* usermode tables for the given mm.
- *
- * There is no corresponding unmap function. Even if the LDT is freed, we
- * leave the PTEs around until the slot is reused or the mm is destroyed.
- * This is harmless: the LDT is always in ordinary memory, and no one will
- * access the freed slot.
- *
- * If we wanted to unmap freed LDTs, we'd also need to do a flush to make
- * it useful, and the flush would slow down modify_ldt().
*/
static int
map_ldt_struct(struct mm_struct *mm, struct ldt_struct *ldt, int slot)
@@ -214,8 +206,7 @@ map_ldt_struct(struct mm_struct *mm, struct ldt_struct *ldt, int slot)
unsigned long va;
bool is_vmalloc;
spinlock_t *ptl;
- pgd_t *pgd;
- int i;
+ int i, nr_pages;
if (!static_cpu_has(X86_FEATURE_PTI))
return 0;
@@ -229,16 +220,11 @@ map_ldt_struct(struct mm_struct *mm, struct ldt_struct *ldt, int slot)
/* Check if the current mappings are sane */
sanity_check_ldt_mapping(mm);
- /*
- * Did we already have the top level entry allocated? We can't
- * use pgd_none() for this because it doens't do anything on
- * 4-level page table kernels.
- */
- pgd = pgd_offset(mm, LDT_BASE_ADDR);
-
is_vmalloc = is_vmalloc_addr(ldt->entries);
- for (i = 0; i * PAGE_SIZE < ldt->nr_entries * LDT_ENTRY_SIZE; i++) {
+ nr_pages = DIV_ROUND_UP(ldt->nr_entries * LDT_ENTRY_SIZE, PAGE_SIZE);
+
+ for (i = 0; i < nr_pages; i++) {
unsigned long offset = i << PAGE_SHIFT;
const void *src = (char *)ldt->entries + offset;
unsigned long pfn;
@@ -272,13 +258,39 @@ map_ldt_struct(struct mm_struct *mm, struct ldt_struct *ldt, int slot)
/* Propagate LDT mapping to the user page-table */
map_ldt_struct_to_user(mm);
- va = (unsigned long)ldt_slot_va(slot);
- flush_tlb_mm_range(mm, va, va + LDT_SLOT_STRIDE, PAGE_SHIFT, false);
-
ldt->slot = slot;
return 0;
}
+static void unmap_ldt_struct(struct mm_struct *mm, struct ldt_struct *ldt)
+{
+ unsigned long va;
+ int i, nr_pages;
+
+ if (!ldt)
+ return;
+
+ /* LDT map/unmap is only required for PTI */
+ if (!static_cpu_has(X86_FEATURE_PTI))
+ return;
+
+ nr_pages = DIV_ROUND_UP(ldt->nr_entries * LDT_ENTRY_SIZE, PAGE_SIZE);
+
+ for (i = 0; i < nr_pages; i++) {
+ unsigned long offset = i << PAGE_SHIFT;
+ spinlock_t *ptl;
+ pte_t *ptep;
+
+ va = (unsigned long)ldt_slot_va(ldt->slot) + offset;
+ ptep = get_locked_pte(mm, va, &ptl);
+ pte_clear(mm, va, ptep);
+ pte_unmap_unlock(ptep, ptl);
+ }
+
+ va = (unsigned long)ldt_slot_va(ldt->slot);
+ flush_tlb_mm_range(mm, va, va + nr_pages * PAGE_SIZE, PAGE_SHIFT, false);
+}
+
#else /* !CONFIG_PAGE_TABLE_ISOLATION */
static int
@@ -286,6 +298,10 @@ map_ldt_struct(struct mm_struct *mm, struct ldt_struct *ldt, int slot)
{
return 0;
}
+
+static void unmap_ldt_struct(struct mm_struct *mm, struct ldt_struct *ldt)
+{
+}
#endif /* CONFIG_PAGE_TABLE_ISOLATION */
static void free_ldt_pgtables(struct mm_struct *mm)
@@ -524,6 +540,7 @@ static int write_ldt(void __user *ptr, unsigned long bytecount, int oldmode)
}
install_ldt(mm, new_ldt);
+ unmap_ldt_struct(mm, old_ldt);
free_ldt_struct(old_ldt);
error = 0;
diff --git a/arch/x86/kernel/vsmp_64.c b/arch/x86/kernel/vsmp_64.c
index 1eae5af491c2..891a75dbc131 100644
--- a/arch/x86/kernel/vsmp_64.c
+++ b/arch/x86/kernel/vsmp_64.c
@@ -26,65 +26,8 @@
#define TOPOLOGY_REGISTER_OFFSET 0x10
-#if defined CONFIG_PCI && defined CONFIG_PARAVIRT_XXL
-/*
- * Interrupt control on vSMPowered systems:
- * ~AC is a shadow of IF. If IF is 'on' AC should be 'off'
- * and vice versa.
- */
-
-asmlinkage __visible unsigned long vsmp_save_fl(void)
-{
- unsigned long flags = native_save_fl();
-
- if (!(flags & X86_EFLAGS_IF) || (flags & X86_EFLAGS_AC))
- flags &= ~X86_EFLAGS_IF;
- return flags;
-}
-PV_CALLEE_SAVE_REGS_THUNK(vsmp_save_fl);
-
-__visible void vsmp_restore_fl(unsigned long flags)
-{
- if (flags & X86_EFLAGS_IF)
- flags &= ~X86_EFLAGS_AC;
- else
- flags |= X86_EFLAGS_AC;
- native_restore_fl(flags);
-}
-PV_CALLEE_SAVE_REGS_THUNK(vsmp_restore_fl);
-
-asmlinkage __visible void vsmp_irq_disable(void)
-{
- unsigned long flags = native_save_fl();
-
- native_restore_fl((flags & ~X86_EFLAGS_IF) | X86_EFLAGS_AC);
-}
-PV_CALLEE_SAVE_REGS_THUNK(vsmp_irq_disable);
-
-asmlinkage __visible void vsmp_irq_enable(void)
-{
- unsigned long flags = native_save_fl();
-
- native_restore_fl((flags | X86_EFLAGS_IF) & (~X86_EFLAGS_AC));
-}
-PV_CALLEE_SAVE_REGS_THUNK(vsmp_irq_enable);
-
-static unsigned __init vsmp_patch(u8 type, void *ibuf,
- unsigned long addr, unsigned len)
-{
- switch (type) {
- case PARAVIRT_PATCH(irq.irq_enable):
- case PARAVIRT_PATCH(irq.irq_disable):
- case PARAVIRT_PATCH(irq.save_fl):
- case PARAVIRT_PATCH(irq.restore_fl):
- return paravirt_patch_default(type, ibuf, addr, len);
- default:
- return native_patch(type, ibuf, addr, len);
- }
-
-}
-
-static void __init set_vsmp_pv_ops(void)
+#ifdef CONFIG_PCI
+static void __init set_vsmp_ctl(void)
{
void __iomem *address;
unsigned int cap, ctl, cfg;
@@ -109,28 +52,12 @@ static void __init set_vsmp_pv_ops(void)
}
#endif
- if (cap & ctl & (1 << 4)) {
- /* Setup irq ops and turn on vSMP IRQ fastpath handling */
- pv_ops.irq.irq_disable = PV_CALLEE_SAVE(vsmp_irq_disable);
- pv_ops.irq.irq_enable = PV_CALLEE_SAVE(vsmp_irq_enable);
- pv_ops.irq.save_fl = PV_CALLEE_SAVE(vsmp_save_fl);
- pv_ops.irq.restore_fl = PV_CALLEE_SAVE(vsmp_restore_fl);
- pv_ops.init.patch = vsmp_patch;
- ctl &= ~(1 << 4);
- }
writel(ctl, address + 4);
ctl = readl(address + 4);
pr_info("vSMP CTL: control set to:0x%08x\n", ctl);
early_iounmap(address, 8);
}
-#else
-static void __init set_vsmp_pv_ops(void)
-{
-}
-#endif
-
-#ifdef CONFIG_PCI
static int is_vsmp = -1;
static void __init detect_vsmp_box(void)
@@ -164,11 +91,14 @@ static int is_vsmp_box(void)
{
return 0;
}
+static void __init set_vsmp_ctl(void)
+{
+}
#endif
static void __init vsmp_cap_cpus(void)
{
-#if !defined(CONFIG_X86_VSMP) && defined(CONFIG_SMP)
+#if !defined(CONFIG_X86_VSMP) && defined(CONFIG_SMP) && defined(CONFIG_PCI)
void __iomem *address;
unsigned int cfg, topology, node_shift, maxcpus;
@@ -221,6 +151,6 @@ void __init vsmp_init(void)
vsmp_cap_cpus();
- set_vsmp_pv_ops();
+ set_vsmp_ctl();
return;
}
diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c
index 0d7b3ae4960b..a5d7ed125337 100644
--- a/arch/x86/xen/mmu_pv.c
+++ b/arch/x86/xen/mmu_pv.c
@@ -1905,7 +1905,7 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn)
init_top_pgt[0] = __pgd(0);
/* Pre-constructed entries are in pfn, so convert to mfn */
- /* L4[272] -> level3_ident_pgt */
+ /* L4[273] -> level3_ident_pgt */
/* L4[511] -> level3_kernel_pgt */
convert_pfn_mfn(init_top_pgt);
@@ -1925,8 +1925,8 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn)
addr[0] = (unsigned long)pgd;
addr[1] = (unsigned long)l3;
addr[2] = (unsigned long)l2;
- /* Graft it onto L4[272][0]. Note that we creating an aliasing problem:
- * Both L4[272][0] and L4[511][510] have entries that point to the same
+ /* Graft it onto L4[273][0]. Note that we creating an aliasing problem:
+ * Both L4[273][0] and L4[511][510] have entries that point to the same
* L2 (PMD) tables. Meaning that if you modify it in __va space
* it will be also modified in the __ka space! (But if you just
* modify the PMD table to point to other PTE's or none, then you
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
index b06731705529..055e37e43541 100644
--- a/arch/x86/xen/p2m.c
+++ b/arch/x86/xen/p2m.c
@@ -656,8 +656,7 @@ bool __set_phys_to_machine(unsigned long pfn, unsigned long mfn)
/*
* The interface requires atomic updates on p2m elements.
- * xen_safe_write_ulong() is using __put_user which does an atomic
- * store via asm().
+ * xen_safe_write_ulong() is using an atomic store via asm().
*/
if (likely(!xen_safe_write_ulong(xen_p2m_addr + pfn, mfn)))
return true;
diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c
index 441c88262169..1c8a8816a402 100644
--- a/arch/x86/xen/spinlock.c
+++ b/arch/x86/xen/spinlock.c
@@ -9,6 +9,7 @@
#include <linux/log2.h>
#include <linux/gfp.h>
#include <linux/slab.h>
+#include <linux/atomic.h>
#include <asm/paravirt.h>
#include <asm/qspinlock.h>
@@ -21,6 +22,7 @@
static DEFINE_PER_CPU(int, lock_kicker_irq) = -1;
static DEFINE_PER_CPU(char *, irq_name);
+static DEFINE_PER_CPU(atomic_t, xen_qlock_wait_nest);
static bool xen_pvspin = true;
static void xen_qlock_kick(int cpu)
@@ -39,25 +41,25 @@ static void xen_qlock_kick(int cpu)
*/
static void xen_qlock_wait(u8 *byte, u8 val)
{
- unsigned long flags;
int irq = __this_cpu_read(lock_kicker_irq);
+ atomic_t *nest_cnt = this_cpu_ptr(&xen_qlock_wait_nest);
/* If kicker interrupts not initialized yet, just spin */
if (irq == -1 || in_nmi())
return;
- /* Guard against reentry. */
- local_irq_save(flags);
+ /* Detect reentry. */
+ atomic_inc(nest_cnt);
- /* If irq pending already clear it. */
- if (xen_test_irq_pending(irq)) {
+ /* If irq pending already and no nested call clear it. */
+ if (atomic_read(nest_cnt) == 1 && xen_test_irq_pending(irq)) {
xen_clear_irq_pending(irq);
} else if (READ_ONCE(*byte) == val) {
/* Block until irq becomes pending (or a spurious wakeup) */
xen_poll_irq(irq);
}
- local_irq_restore(flags);
+ atomic_dec(nest_cnt);
}
static irqreturn_t dummy_handler(int irq, void *dev_id)
diff --git a/block/bio.c b/block/bio.c
index d5368a445561..a50d59236b19 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1260,6 +1260,7 @@ struct bio *bio_copy_user_iov(struct request_queue *q,
if (ret)
goto cleanup;
} else {
+ zero_fill_bio(bio);
iov_iter_advance(iter, bio->bi_iter.bi_size);
}
diff --git a/block/blk-lib.c b/block/blk-lib.c
index 76f867ea9a9b..e8b3bb9bf375 100644
--- a/block/blk-lib.c
+++ b/block/blk-lib.c
@@ -51,16 +51,12 @@ int __blkdev_issue_discard(struct block_device *bdev, sector_t sector,
if ((sector | nr_sects) & bs_mask)
return -EINVAL;
- while (nr_sects) {
- unsigned int req_sects = nr_sects;
- sector_t end_sect;
-
- if (!req_sects)
- goto fail;
- if (req_sects > UINT_MAX >> 9)
- req_sects = UINT_MAX >> 9;
+ if (!nr_sects)
+ return -EINVAL;
- end_sect = sector + req_sects;
+ while (nr_sects) {
+ unsigned int req_sects = min_t(unsigned int, nr_sects,
+ bio_allowed_max_sectors(q));
bio = blk_next_bio(bio, 0, gfp_mask);
bio->bi_iter.bi_sector = sector;
@@ -68,8 +64,8 @@ int __blkdev_issue_discard(struct block_device *bdev, sector_t sector,
bio_set_op_attrs(bio, op, 0);
bio->bi_iter.bi_size = req_sects << 9;
+ sector += req_sects;
nr_sects -= req_sects;
- sector = end_sect;
/*
* We can loop for a long time in here, if someone does
@@ -82,14 +78,6 @@ int __blkdev_issue_discard(struct block_device *bdev, sector_t sector,
*biop = bio;
return 0;
-
-fail:
- if (bio) {
- submit_bio_wait(bio);
- bio_put(bio);
- }
- *biop = NULL;
- return -EOPNOTSUPP;
}
EXPORT_SYMBOL(__blkdev_issue_discard);
@@ -161,7 +149,7 @@ static int __blkdev_issue_write_same(struct block_device *bdev, sector_t sector,
return -EOPNOTSUPP;
/* Ensure that max_write_same_sectors doesn't overflow bi_size */
- max_write_same_sectors = UINT_MAX >> 9;
+ max_write_same_sectors = bio_allowed_max_sectors(q);
while (nr_sects) {
bio = blk_next_bio(bio, 1, gfp_mask);
diff --git a/block/blk-merge.c b/block/blk-merge.c
index 6b5ad275ed56..e7696c47489a 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -46,7 +46,7 @@ static inline bool bio_will_gap(struct request_queue *q,
bio_get_first_bvec(prev_rq->bio, &pb);
else
bio_get_first_bvec(prev, &pb);
- if (pb.bv_offset)
+ if (pb.bv_offset & queue_virt_boundary(q))
return true;
/*
@@ -90,7 +90,8 @@ static struct bio *blk_bio_discard_split(struct request_queue *q,
/* Zero-sector (unknown) and one-sector granularities are the same. */
granularity = max(q->limits.discard_granularity >> 9, 1U);
- max_discard_sectors = min(q->limits.max_discard_sectors, UINT_MAX >> 9);
+ max_discard_sectors = min(q->limits.max_discard_sectors,
+ bio_allowed_max_sectors(q));
max_discard_sectors -= max_discard_sectors % granularity;
if (unlikely(!max_discard_sectors)) {
diff --git a/block/blk.h b/block/blk.h
index a1841b8ff129..0089fefdf771 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -169,7 +169,7 @@ static inline bool biovec_phys_mergeable(struct request_queue *q,
static inline bool __bvec_gap_to_prev(struct request_queue *q,
struct bio_vec *bprv, unsigned int offset)
{
- return offset ||
+ return (offset & queue_virt_boundary(q)) ||
((bprv->bv_offset + bprv->bv_len) & queue_virt_boundary(q));
}
@@ -396,6 +396,16 @@ static inline unsigned long blk_rq_deadline(struct request *rq)
}
/*
+ * The max size one bio can handle is UINT_MAX becasue bvec_iter.bi_size
+ * is defined as 'unsigned int', meantime it has to aligned to with logical
+ * block size which is the minimum accepted unit by hardware.
+ */
+static inline unsigned int bio_allowed_max_sectors(struct request_queue *q)
+{
+ return round_down(UINT_MAX, queue_logical_block_size(q)) >> 9;
+}
+
+/*
* Internal io_context interface
*/
void get_io_context(struct io_context *ioc);
diff --git a/drivers/acpi/nfit/mce.c b/drivers/acpi/nfit/mce.c
index e9626bf6ca29..d6c1b10f6c25 100644
--- a/drivers/acpi/nfit/mce.c
+++ b/drivers/acpi/nfit/mce.c
@@ -25,8 +25,12 @@ static int nfit_handle_mce(struct notifier_block *nb, unsigned long val,
struct acpi_nfit_desc *acpi_desc;
struct nfit_spa *nfit_spa;
- /* We only care about memory errors */
- if (!mce_is_memory_error(mce))
+ /* We only care about uncorrectable memory errors */
+ if (!mce_is_memory_error(mce) || mce_is_correctable(mce))
+ return NOTIFY_DONE;
+
+ /* Verify the address reported in the MCE is valid. */
+ if (!mce_usable_address(mce))
return NOTIFY_DONE;
/*
diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c
index 10ecb232245d..4b1ff5bc256a 100644
--- a/drivers/ata/sata_rcar.c
+++ b/drivers/ata/sata_rcar.c
@@ -1,14 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Renesas R-Car SATA driver
*
* Author: Vladimir Barinov <source@cogentembedded.com>
* Copyright (C) 2013-2015 Cogent Embedded, Inc.
* Copyright (C) 2013-2015 Renesas Solutions Corp.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
*/
#include <linux/kernel.h>
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 56452cabce5b..0ed4b200fa58 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -1919,6 +1919,7 @@ static int negotiate_mq(struct blkfront_info *info)
GFP_KERNEL);
if (!info->rinfo) {
xenbus_dev_fatal(info->xbdev, -ENOMEM, "allocating ring_info structure");
+ info->nr_rings = 0;
return -ENOMEM;
}
diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c
index ef0ca9414f37..ff83e899df71 100644
--- a/drivers/clk/clk-fixed-factor.c
+++ b/drivers/clk/clk-fixed-factor.c
@@ -210,6 +210,7 @@ static int of_fixed_factor_clk_remove(struct platform_device *pdev)
{
struct clk *clk = platform_get_drvdata(pdev);
+ of_clk_del_provider(pdev->dev.of_node);
clk_unregister_fixed_factor(clk);
return 0;
diff --git a/drivers/clk/meson/axg.c b/drivers/clk/meson/axg.c
index c981159b02c0..792735d7e46e 100644
--- a/drivers/clk/meson/axg.c
+++ b/drivers/clk/meson/axg.c
@@ -325,6 +325,7 @@ static struct clk_regmap axg_fclk_div2 = {
.ops = &clk_regmap_gate_ops,
.parent_names = (const char *[]){ "fclk_div2_div" },
.num_parents = 1,
+ .flags = CLK_IS_CRITICAL,
},
};
@@ -349,6 +350,18 @@ static struct clk_regmap axg_fclk_div3 = {
.ops = &clk_regmap_gate_ops,
.parent_names = (const char *[]){ "fclk_div3_div" },
.num_parents = 1,
+ /*
+ * FIXME:
+ * This clock, as fdiv2, is used by the SCPI FW and is required
+ * by the platform to operate correctly.
+ * Until the following condition are met, we need this clock to
+ * be marked as critical:
+ * a) The SCPI generic driver claims and enable all the clocks
+ * it needs
+ * b) CCF has a clock hand-off mechanism to make the sure the
+ * clock stays on until the proper driver comes along
+ */
+ .flags = CLK_IS_CRITICAL,
},
};
diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c
index 9309cfaaa464..4ada9668fd49 100644
--- a/drivers/clk/meson/gxbb.c
+++ b/drivers/clk/meson/gxbb.c
@@ -506,6 +506,18 @@ static struct clk_regmap gxbb_fclk_div3 = {
.ops = &clk_regmap_gate_ops,
.parent_names = (const char *[]){ "fclk_div3_div" },
.num_parents = 1,
+ /*
+ * FIXME:
+ * This clock, as fdiv2, is used by the SCPI FW and is required
+ * by the platform to operate correctly.
+ * Until the following condition are met, we need this clock to
+ * be marked as critical:
+ * a) The SCPI generic driver claims and enable all the clocks
+ * it needs
+ * b) CCF has a clock hand-off mechanism to make the sure the
+ * clock stays on until the proper driver comes along
+ */
+ .flags = CLK_IS_CRITICAL,
},
};
diff --git a/drivers/clk/qcom/gcc-qcs404.c b/drivers/clk/qcom/gcc-qcs404.c
index e4ca6a45f313..ef1b267cb058 100644
--- a/drivers/clk/qcom/gcc-qcs404.c
+++ b/drivers/clk/qcom/gcc-qcs404.c
@@ -265,7 +265,7 @@ static struct clk_fixed_factor cxo = {
.div = 1,
.hw.init = &(struct clk_init_data){
.name = "cxo",
- .parent_names = (const char *[]){ "xo_board" },
+ .parent_names = (const char *[]){ "xo-board" },
.num_parents = 1,
.ops = &clk_fixed_factor_ops,
},
diff --git a/drivers/clocksource/i8253.c b/drivers/clocksource/i8253.c
index 9c38895542f4..d4350bb10b83 100644
--- a/drivers/clocksource/i8253.c
+++ b/drivers/clocksource/i8253.c
@@ -20,6 +20,13 @@
DEFINE_RAW_SPINLOCK(i8253_lock);
EXPORT_SYMBOL(i8253_lock);
+/*
+ * Handle PIT quirk in pit_shutdown() where zeroing the counter register
+ * restarts the PIT, negating the shutdown. On platforms with the quirk,
+ * platform specific code can set this to false.
+ */
+bool i8253_clear_counter_on_shutdown __ro_after_init = true;
+
#ifdef CONFIG_CLKSRC_I8253
/*
* Since the PIT overflows every tick, its not very useful
@@ -109,8 +116,11 @@ static int pit_shutdown(struct clock_event_device *evt)
raw_spin_lock(&i8253_lock);
outb_p(0x30, PIT_MODE);
- outb_p(0, PIT_CH0);
- outb_p(0, PIT_CH0);
+
+ if (i8253_clear_counter_on_shutdown) {
+ outb_p(0, PIT_CH0);
+ outb_p(0, PIT_CH0);
+ }
raw_spin_unlock(&i8253_lock);
return 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index d0102cfc8efb..104b2e0d893b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -151,6 +151,7 @@ extern int amdgpu_compute_multipipe;
extern int amdgpu_gpu_recovery;
extern int amdgpu_emu_mode;
extern uint amdgpu_smu_memory_pool_size;
+extern uint amdgpu_dc_feature_mask;
extern struct amdgpu_mgpu_info mgpu_info;
#ifdef CONFIG_DRM_AMDGPU_SI
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 943dbf3c5da1..8de55f7f1a3a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -127,6 +127,9 @@ int amdgpu_compute_multipipe = -1;
int amdgpu_gpu_recovery = -1; /* auto */
int amdgpu_emu_mode = 0;
uint amdgpu_smu_memory_pool_size = 0;
+/* FBC (bit 0) disabled by default*/
+uint amdgpu_dc_feature_mask = 0;
+
struct amdgpu_mgpu_info mgpu_info = {
.mutex = __MUTEX_INITIALIZER(mgpu_info.mutex),
};
@@ -631,6 +634,14 @@ module_param(halt_if_hws_hang, int, 0644);
MODULE_PARM_DESC(halt_if_hws_hang, "Halt if HWS hang is detected (0 = off (default), 1 = on)");
#endif
+/**
+ * DOC: dcfeaturemask (uint)
+ * Override display features enabled. See enum DC_FEATURE_MASK in drivers/gpu/drm/amd/include/amd_shared.h.
+ * The default is the current set of stable display features.
+ */
+MODULE_PARM_DESC(dcfeaturemask, "all stable DC features enabled (default))");
+module_param_named(dcfeaturemask, amdgpu_dc_feature_mask, uint, 0444);
+
static const struct pci_device_id pciidlist[] = {
#ifdef CONFIG_DRM_AMDGPU_SI
{0x1002, 0x6780, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_TAHITI},
diff --git a/drivers/gpu/drm/amd/amdgpu/vega20_reg_init.c b/drivers/gpu/drm/amd/amdgpu/vega20_reg_init.c
index 2d4473557b0d..d13fc4fcb517 100644
--- a/drivers/gpu/drm/amd/amdgpu/vega20_reg_init.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega20_reg_init.c
@@ -49,6 +49,7 @@ int vega20_reg_base_init(struct amdgpu_device *adev)
adev->reg_offset[SMUIO_HWIP][i] = (uint32_t *)(&(SMUIO_BASE.instance[i]));
adev->reg_offset[NBIF_HWIP][i] = (uint32_t *)(&(NBIO_BASE.instance[i]));
adev->reg_offset[THM_HWIP][i] = (uint32_t *)(&(THM_BASE.instance[i]));
+ adev->reg_offset[CLK_HWIP][i] = (uint32_t *)(&(CLK_BASE.instance[i]));
}
return 0;
}
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index b0df6dc9a775..c1262f62cd9f 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -429,6 +429,9 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
adev->asic_type < CHIP_RAVEN)
init_data.flags.gpu_vm_support = true;
+ if (amdgpu_dc_feature_mask & DC_FBC_MASK)
+ init_data.flags.fbc_support = true;
+
/* Display Core create. */
adev->dm.dc = dc_create(&init_data);
@@ -1524,13 +1527,6 @@ static int amdgpu_dm_backlight_update_status(struct backlight_device *bd)
{
struct amdgpu_display_manager *dm = bl_get_data(bd);
- /*
- * PWM interperts 0 as 100% rather than 0% because of HW
- * limitation for level 0.So limiting minimum brightness level
- * to 1.
- */
- if (bd->props.brightness < 1)
- return 1;
if (dc_link_set_backlight_level(dm->backlight_link,
bd->props.brightness, 0, 0))
return 0;
@@ -2707,18 +2703,11 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
drm_connector = &aconnector->base;
if (!aconnector->dc_sink) {
- /*
- * Create dc_sink when necessary to MST
- * Don't apply fake_sink to MST
- */
- if (aconnector->mst_port) {
- dm_dp_mst_dc_sink_create(drm_connector);
- return stream;
+ if (!aconnector->mst_port) {
+ sink = create_fake_sink(aconnector);
+ if (!sink)
+ return stream;
}
-
- sink = create_fake_sink(aconnector);
- if (!sink)
- return stream;
} else {
sink = aconnector->dc_sink;
}
@@ -3308,7 +3297,7 @@ void dm_drm_plane_destroy_state(struct drm_plane *plane,
static const struct drm_plane_funcs dm_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
- .destroy = drm_plane_cleanup,
+ .destroy = drm_primary_helper_destroy,
.reset = dm_drm_plane_reset,
.atomic_duplicate_state = dm_drm_plane_duplicate_state,
.atomic_destroy_state = dm_drm_plane_destroy_state,
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index 978b34a5011c..924a38a1fc44 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -160,8 +160,6 @@ struct amdgpu_dm_connector {
struct mutex hpd_lock;
bool fake_enable;
-
- bool mst_connected;
};
#define to_amdgpu_dm_connector(x) container_of(x, struct amdgpu_dm_connector, base)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 03601d717fed..d02c32a1039c 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -205,40 +205,6 @@ static const struct drm_connector_funcs dm_dp_mst_connector_funcs = {
.atomic_get_property = amdgpu_dm_connector_atomic_get_property
};
-void dm_dp_mst_dc_sink_create(struct drm_connector *connector)
-{
- struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
- struct dc_sink *dc_sink;
- struct dc_sink_init_data init_params = {
- .link = aconnector->dc_link,
- .sink_signal = SIGNAL_TYPE_DISPLAY_PORT_MST };
-
- /* FIXME none of this is safe. we shouldn't touch aconnector here in
- * atomic_check
- */
-
- /*
- * TODO: Need to further figure out why ddc.algo is NULL while MST port exists
- */
- if (!aconnector->port || !aconnector->port->aux.ddc.algo)
- return;
-
- ASSERT(aconnector->edid);
-
- dc_sink = dc_link_add_remote_sink(
- aconnector->dc_link,
- (uint8_t *)aconnector->edid,
- (aconnector->edid->extensions + 1) * EDID_LENGTH,
- &init_params);
-
- dc_sink->priv = aconnector;
- aconnector->dc_sink = dc_sink;
-
- if (aconnector->dc_sink)
- amdgpu_dm_update_freesync_caps(
- connector, aconnector->edid);
-}
-
static int dm_dp_mst_get_modes(struct drm_connector *connector)
{
struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
@@ -319,12 +285,7 @@ dm_dp_create_fake_mst_encoder(struct amdgpu_dm_connector *connector)
struct amdgpu_device *adev = dev->dev_private;
struct amdgpu_encoder *amdgpu_encoder;
struct drm_encoder *encoder;
- const struct drm_connector_helper_funcs *connector_funcs =
- connector->base.helper_private;
- struct drm_encoder *enc_master =
- connector_funcs->best_encoder(&connector->base);
- DRM_DEBUG_KMS("enc master is %p\n", enc_master);
amdgpu_encoder = kzalloc(sizeof(*amdgpu_encoder), GFP_KERNEL);
if (!amdgpu_encoder)
return NULL;
@@ -354,25 +315,6 @@ dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
struct amdgpu_device *adev = dev->dev_private;
struct amdgpu_dm_connector *aconnector;
struct drm_connector *connector;
- struct drm_connector_list_iter conn_iter;
-
- drm_connector_list_iter_begin(dev, &conn_iter);
- drm_for_each_connector_iter(connector, &conn_iter) {
- aconnector = to_amdgpu_dm_connector(connector);
- if (aconnector->mst_port == master
- && !aconnector->port) {
- DRM_INFO("DM_MST: reusing connector: %p [id: %d] [master: %p]\n",
- aconnector, connector->base.id, aconnector->mst_port);
-
- aconnector->port = port;
- drm_connector_set_path_property(connector, pathprop);
-
- drm_connector_list_iter_end(&conn_iter);
- aconnector->mst_connected = true;
- return &aconnector->base;
- }
- }
- drm_connector_list_iter_end(&conn_iter);
aconnector = kzalloc(sizeof(*aconnector), GFP_KERNEL);
if (!aconnector)
@@ -421,8 +363,6 @@ dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
*/
amdgpu_dm_connector_funcs_reset(connector);
- aconnector->mst_connected = true;
-
DRM_INFO("DM_MST: added connector: %p [id: %d] [master: %p]\n",
aconnector, connector->base.id, aconnector->mst_port);
@@ -434,6 +374,9 @@ dm_dp_add_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
static void dm_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
struct drm_connector *connector)
{
+ struct amdgpu_dm_connector *master = container_of(mgr, struct amdgpu_dm_connector, mst_mgr);
+ struct drm_device *dev = master->base.dev;
+ struct amdgpu_device *adev = dev->dev_private;
struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
DRM_INFO("DM_MST: Disabling connector: %p [id: %d] [master: %p]\n",
@@ -447,7 +390,10 @@ static void dm_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
aconnector->dc_sink = NULL;
}
- aconnector->mst_connected = false;
+ drm_connector_unregister(connector);
+ if (adev->mode_info.rfbdev)
+ drm_fb_helper_remove_one_connector(&adev->mode_info.rfbdev->helper, connector);
+ drm_connector_put(connector);
}
static void dm_dp_mst_hotplug(struct drm_dp_mst_topology_mgr *mgr)
@@ -458,18 +404,10 @@ static void dm_dp_mst_hotplug(struct drm_dp_mst_topology_mgr *mgr)
drm_kms_helper_hotplug_event(dev);
}
-static void dm_dp_mst_link_status_reset(struct drm_connector *connector)
-{
- mutex_lock(&connector->dev->mode_config.mutex);
- drm_connector_set_link_status_property(connector, DRM_MODE_LINK_STATUS_BAD);
- mutex_unlock(&connector->dev->mode_config.mutex);
-}
-
static void dm_dp_mst_register_connector(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct amdgpu_device *adev = dev->dev_private;
- struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
if (adev->mode_info.rfbdev)
drm_fb_helper_add_one_connector(&adev->mode_info.rfbdev->helper, connector);
@@ -477,9 +415,6 @@ static void dm_dp_mst_register_connector(struct drm_connector *connector)
DRM_ERROR("adev->mode_info.rfbdev is NULL\n");
drm_connector_register(connector);
-
- if (aconnector->mst_connected)
- dm_dp_mst_link_status_reset(connector);
}
static const struct drm_dp_mst_topology_cbs dm_mst_cbs = {
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h
index 8cf51da26657..2da851b40042 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.h
@@ -31,6 +31,5 @@ struct amdgpu_dm_connector;
void amdgpu_dm_initialize_dp_connector(struct amdgpu_display_manager *dm,
struct amdgpu_dm_connector *aconnector);
-void dm_dp_mst_dc_sink_create(struct drm_connector *connector);
#endif
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index fb04a4ad141f..5da2186b3615 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -1722,7 +1722,7 @@ static void write_i2c_retimer_setting(
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
- offset = 0x%d, reg_val = 0x%d, i2c_success = %d\n",
+ offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
slave_address, buffer[0], buffer[1], i2c_success?1:0);
if (!i2c_success)
/* Write failure */
@@ -1734,7 +1734,7 @@ static void write_i2c_retimer_setting(
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
RETIMER_REDRIVER_INFO("retimer write to slave_address = 0x%x,\
- offset = 0x%d, reg_val = 0x%d, i2c_success = %d\n",
+ offset = 0x%x, reg_val = 0x%x, i2c_success = %d\n",
slave_address, buffer[0], buffer[1], i2c_success?1:0);
if (!i2c_success)
/* Write failure */
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 199527171100..b57fa61b3034 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -169,6 +169,7 @@ struct link_training_settings;
struct dc_config {
bool gpu_vm_support;
bool disable_disp_pll_sharing;
+ bool fbc_support;
};
enum visual_confirm {
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index b75ede5f84f7..b459867a05b2 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -1736,7 +1736,12 @@ static void set_static_screen_control(struct pipe_ctx **pipe_ctx,
if (events->force_trigger)
value |= 0x1;
- value |= 0x84;
+ if (num_pipes) {
+ struct dc *dc = pipe_ctx[0]->stream->ctx->dc;
+
+ if (dc->fbc_compressor)
+ value |= 0x84;
+ }
for (i = 0; i < num_pipes; i++)
pipe_ctx[i]->stream_res.tg->funcs->
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
index e3624ca24574..7c9fd9052ee2 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_resource.c
@@ -1362,7 +1362,8 @@ static bool construct(
pool->base.sw_i2cs[i] = NULL;
}
- dc->fbc_compressor = dce110_compressor_create(ctx);
+ if (dc->config.fbc_support)
+ dc->fbc_compressor = dce110_compressor_create(ctx);
if (!underlay_create(ctx, &pool->base))
goto res_create_fail;
diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h
index 2083c308007c..470d7b89071a 100644
--- a/drivers/gpu/drm/amd/include/amd_shared.h
+++ b/drivers/gpu/drm/amd/include/amd_shared.h
@@ -133,6 +133,10 @@ enum PP_FEATURE_MASK {
PP_AVFS_MASK = 0x40000,
};
+enum DC_FEATURE_MASK {
+ DC_FBC_MASK = 0x1,
+};
+
/**
* struct amd_ip_funcs - general hooks for managing amdgpu IP Blocks
*/
diff --git a/drivers/gpu/drm/amd/include/atomfirmware.h b/drivers/gpu/drm/amd/include/atomfirmware.h
index d2e7c0fa96c2..8eb0bb241210 100644
--- a/drivers/gpu/drm/amd/include/atomfirmware.h
+++ b/drivers/gpu/drm/amd/include/atomfirmware.h
@@ -1325,7 +1325,7 @@ struct atom_smu_info_v3_3 {
struct atom_common_table_header table_header;
uint8_t smuip_min_ver;
uint8_t smuip_max_ver;
- uint8_t smu_rsd1;
+ uint8_t waflclk_ss_mode;
uint8_t gpuclk_ss_mode;
uint16_t sclk_ss_percentage;
uint16_t sclk_ss_rate_10hz;
@@ -1355,7 +1355,10 @@ struct atom_smu_info_v3_3 {
uint32_t syspll3_1_vco_freq_10khz;
uint32_t bootup_fclk_10khz;
uint32_t bootup_waflclk_10khz;
- uint32_t reserved[3];
+ uint32_t smu_info_caps;
+ uint16_t waflclk_ss_percentage; // in unit of 0.001%
+ uint16_t smuinitoffset;
+ uint32_t reserved;
};
/*
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
index 57143d51e3ee..99861f32b1f9 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
@@ -120,6 +120,7 @@ static void vega20_set_default_registry_data(struct pp_hwmgr *hwmgr)
data->registry_data.disable_auto_wattman = 1;
data->registry_data.auto_wattman_debug = 0;
data->registry_data.auto_wattman_sample_period = 100;
+ data->registry_data.fclk_gfxclk_ratio = 0x3F6CCCCD;
data->registry_data.auto_wattman_threshold = 50;
data->registry_data.gfxoff_controlled_by_driver = 1;
data->gfxoff_allowed = false;
@@ -829,6 +830,28 @@ static int vega20_enable_all_smu_features(struct pp_hwmgr *hwmgr)
return 0;
}
+static int vega20_notify_smc_display_change(struct pp_hwmgr *hwmgr)
+{
+ struct vega20_hwmgr *data = (struct vega20_hwmgr *)(hwmgr->backend);
+
+ if (data->smu_features[GNLD_DPM_UCLK].enabled)
+ return smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_SetUclkFastSwitch,
+ 1);
+
+ return 0;
+}
+
+static int vega20_send_clock_ratio(struct pp_hwmgr *hwmgr)
+{
+ struct vega20_hwmgr *data =
+ (struct vega20_hwmgr *)(hwmgr->backend);
+
+ return smum_send_msg_to_smc_with_parameter(hwmgr,
+ PPSMC_MSG_SetFclkGfxClkRatio,
+ data->registry_data.fclk_gfxclk_ratio);
+}
+
static int vega20_disable_all_smu_features(struct pp_hwmgr *hwmgr)
{
struct vega20_hwmgr *data =
@@ -1532,6 +1555,16 @@ static int vega20_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
"[EnableDPMTasks] Failed to enable all smu features!",
return result);
+ result = vega20_notify_smc_display_change(hwmgr);
+ PP_ASSERT_WITH_CODE(!result,
+ "[EnableDPMTasks] Failed to notify smc display change!",
+ return result);
+
+ result = vega20_send_clock_ratio(hwmgr);
+ PP_ASSERT_WITH_CODE(!result,
+ "[EnableDPMTasks] Failed to send clock ratio!",
+ return result);
+
/* Initialize UVD/VCE powergating state */
vega20_init_powergate_state(hwmgr);
@@ -1972,19 +2005,6 @@ static int vega20_read_sensor(struct pp_hwmgr *hwmgr, int idx,
return ret;
}
-static int vega20_notify_smc_display_change(struct pp_hwmgr *hwmgr,
- bool has_disp)
-{
- struct vega20_hwmgr *data = (struct vega20_hwmgr *)(hwmgr->backend);
-
- if (data->smu_features[GNLD_DPM_UCLK].enabled)
- return smum_send_msg_to_smc_with_parameter(hwmgr,
- PPSMC_MSG_SetUclkFastSwitch,
- has_disp ? 1 : 0);
-
- return 0;
-}
-
int vega20_display_clock_voltage_request(struct pp_hwmgr *hwmgr,
struct pp_display_clock_request *clock_req)
{
@@ -2044,13 +2064,6 @@ static int vega20_notify_smc_display_config_after_ps_adjustment(
struct pp_display_clock_request clock_req;
int ret = 0;
- if ((hwmgr->display_config->num_display > 1) &&
- !hwmgr->display_config->multi_monitor_in_sync &&
- !hwmgr->display_config->nb_pstate_switch_disable)
- vega20_notify_smc_display_change(hwmgr, false);
- else
- vega20_notify_smc_display_change(hwmgr, true);
-
min_clocks.dcefClock = hwmgr->display_config->min_dcef_set_clk;
min_clocks.dcefClockInSR = hwmgr->display_config->min_dcef_deep_sleep_set_clk;
min_clocks.memoryClock = hwmgr->display_config->min_mem_set_clock;
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h
index 56fe6a0d42e8..25faaa5c5b10 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.h
@@ -328,6 +328,7 @@ struct vega20_registry_data {
uint8_t disable_auto_wattman;
uint32_t auto_wattman_debug;
uint32_t auto_wattman_sample_period;
+ uint32_t fclk_gfxclk_ratio;
uint8_t auto_wattman_threshold;
uint8_t log_avfs_param;
uint8_t enable_enginess;
diff --git a/drivers/gpu/drm/amd/powerplay/inc/vega20_ppsmc.h b/drivers/gpu/drm/amd/powerplay/inc/vega20_ppsmc.h
index 45d64a81e945..4f63a736ea0e 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/vega20_ppsmc.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/vega20_ppsmc.h
@@ -105,7 +105,8 @@
#define PPSMC_MSG_SetSystemVirtualDramAddrHigh 0x4B
#define PPSMC_MSG_SetSystemVirtualDramAddrLow 0x4C
#define PPSMC_MSG_WaflTest 0x4D
-// Unused ID 0x4E to 0x50
+#define PPSMC_MSG_SetFclkGfxClkRatio 0x4E
+// Unused ID 0x4F to 0x50
#define PPSMC_MSG_AllowGfxOff 0x51
#define PPSMC_MSG_DisallowGfxOff 0x52
#define PPSMC_MSG_GetPptLimit 0x53
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_sched.c b/drivers/gpu/drm/etnaviv/etnaviv_sched.c
index e7c3ed6c9a2e..9b476368aa31 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_sched.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_sched.c
@@ -93,7 +93,7 @@ static void etnaviv_sched_timedout_job(struct drm_sched_job *sched_job)
* If the GPU managed to complete this jobs fence, the timout is
* spurious. Bail out.
*/
- if (fence_completed(gpu, submit->out_fence->seqno))
+ if (dma_fence_is_signaled(submit->out_fence))
return;
/*
diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
index 94529aa82339..aef487dd8731 100644
--- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
@@ -164,13 +164,6 @@ static u32 decon_get_frame_count(struct decon_context *ctx, bool end)
return frm;
}
-static u32 decon_get_vblank_counter(struct exynos_drm_crtc *crtc)
-{
- struct decon_context *ctx = crtc->ctx;
-
- return decon_get_frame_count(ctx, false);
-}
-
static void decon_setup_trigger(struct decon_context *ctx)
{
if (!ctx->crtc->i80_mode && !(ctx->out_type & I80_HW_TRG))
@@ -536,7 +529,6 @@ static const struct exynos_drm_crtc_ops decon_crtc_ops = {
.disable = decon_disable,
.enable_vblank = decon_enable_vblank,
.disable_vblank = decon_disable_vblank,
- .get_vblank_counter = decon_get_vblank_counter,
.atomic_begin = decon_atomic_begin,
.update_plane = decon_update_plane,
.disable_plane = decon_disable_plane,
@@ -554,7 +546,6 @@ static int decon_bind(struct device *dev, struct device *master, void *data)
int ret;
ctx->drm_dev = drm_dev;
- drm_dev->max_vblank_count = 0xffffffff;
for (win = ctx->first_win; win < WINDOWS_NR; win++) {
ctx->configs[win].pixel_formats = decon_formats;
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index eea90251808f..2696289ecc78 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -162,16 +162,6 @@ static void exynos_drm_crtc_disable_vblank(struct drm_crtc *crtc)
exynos_crtc->ops->disable_vblank(exynos_crtc);
}
-static u32 exynos_drm_crtc_get_vblank_counter(struct drm_crtc *crtc)
-{
- struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
-
- if (exynos_crtc->ops->get_vblank_counter)
- return exynos_crtc->ops->get_vblank_counter(exynos_crtc);
-
- return 0;
-}
-
static const struct drm_crtc_funcs exynos_crtc_funcs = {
.set_config = drm_atomic_helper_set_config,
.page_flip = drm_atomic_helper_page_flip,
@@ -181,7 +171,6 @@ static const struct drm_crtc_funcs exynos_crtc_funcs = {
.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
.enable_vblank = exynos_drm_crtc_enable_vblank,
.disable_vblank = exynos_drm_crtc_disable_vblank,
- .get_vblank_counter = exynos_drm_crtc_get_vblank_counter,
};
struct exynos_drm_crtc *exynos_drm_crtc_create(struct drm_device *drm_dev,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index ec9604f1272b..5e61e707f955 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -135,7 +135,6 @@ struct exynos_drm_crtc_ops {
void (*disable)(struct exynos_drm_crtc *crtc);
int (*enable_vblank)(struct exynos_drm_crtc *crtc);
void (*disable_vblank)(struct exynos_drm_crtc *crtc);
- u32 (*get_vblank_counter)(struct exynos_drm_crtc *crtc);
enum drm_mode_status (*mode_valid)(struct exynos_drm_crtc *crtc,
const struct drm_display_mode *mode);
bool (*mode_fixup)(struct exynos_drm_crtc *crtc,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index 07af7758066d..d81e62ae286a 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -14,6 +14,7 @@
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
+#include <drm/drm_fb_helper.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_panel.h>
#include <drm/drm_atomic_helper.h>
@@ -1474,12 +1475,12 @@ static int exynos_dsi_create_connector(struct drm_encoder *encoder)
{
struct exynos_dsi *dsi = encoder_to_dsi(encoder);
struct drm_connector *connector = &dsi->connector;
+ struct drm_device *drm = encoder->dev;
int ret;
connector->polled = DRM_CONNECTOR_POLL_HPD;
- ret = drm_connector_init(encoder->dev, connector,
- &exynos_dsi_connector_funcs,
+ ret = drm_connector_init(drm, connector, &exynos_dsi_connector_funcs,
DRM_MODE_CONNECTOR_DSI);
if (ret) {
DRM_ERROR("Failed to initialize connector with drm\n");
@@ -1489,7 +1490,12 @@ static int exynos_dsi_create_connector(struct drm_encoder *encoder)
connector->status = connector_status_disconnected;
drm_connector_helper_add(connector, &exynos_dsi_connector_helper_funcs);
drm_connector_attach_encoder(connector, encoder);
+ if (!drm->registered)
+ return 0;
+ connector->funcs->reset(connector);
+ drm_fb_helper_add_one_connector(drm->fb_helper, connector);
+ drm_connector_register(connector);
return 0;
}
@@ -1527,7 +1533,9 @@ static int exynos_dsi_host_attach(struct mipi_dsi_host *host,
}
dsi->panel = of_drm_find_panel(device->dev.of_node);
- if (dsi->panel) {
+ if (IS_ERR(dsi->panel)) {
+ dsi->panel = NULL;
+ } else {
drm_panel_attach(dsi->panel, &dsi->connector);
dsi->connector.status = connector_status_connected;
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
index 918dd2c82209..01d182289efa 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
@@ -192,7 +192,7 @@ int exynos_drm_fbdev_init(struct drm_device *dev)
struct drm_fb_helper *helper;
int ret;
- if (!dev->mode_config.num_crtc || !dev->mode_config.num_connector)
+ if (!dev->mode_config.num_crtc)
return 0;
fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL);
diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c
index 2402395a068d..58e166effa45 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.c
+++ b/drivers/gpu/drm/i915/gvt/gtt.c
@@ -1905,7 +1905,6 @@ static struct intel_vgpu_mm *intel_vgpu_create_ggtt_mm(struct intel_vgpu *vgpu)
vgpu_free_mm(mm);
return ERR_PTR(-ENOMEM);
}
- mm->ggtt_mm.last_partial_off = -1UL;
return mm;
}
@@ -1930,7 +1929,6 @@ void _intel_vgpu_mm_release(struct kref *mm_ref)
invalidate_ppgtt_mm(mm);
} else {
vfree(mm->ggtt_mm.virtual_ggtt);
- mm->ggtt_mm.last_partial_off = -1UL;
}
vgpu_free_mm(mm);
@@ -2168,6 +2166,8 @@ static int emulate_ggtt_mmio_write(struct intel_vgpu *vgpu, unsigned int off,
struct intel_gvt_gtt_entry e, m;
dma_addr_t dma_addr;
int ret;
+ struct intel_gvt_partial_pte *partial_pte, *pos, *n;
+ bool partial_update = false;
if (bytes != 4 && bytes != 8)
return -EINVAL;
@@ -2178,68 +2178,57 @@ static int emulate_ggtt_mmio_write(struct intel_vgpu *vgpu, unsigned int off,
if (!vgpu_gmadr_is_valid(vgpu, gma))
return 0;
- ggtt_get_guest_entry(ggtt_mm, &e, g_gtt_index);
-
+ e.type = GTT_TYPE_GGTT_PTE;
memcpy((void *)&e.val64 + (off & (info->gtt_entry_size - 1)), p_data,
bytes);
/* If ggtt entry size is 8 bytes, and it's split into two 4 bytes
- * write, we assume the two 4 bytes writes are consecutive.
- * Otherwise, we abort and report error
+ * write, save the first 4 bytes in a list and update virtual
+ * PTE. Only update shadow PTE when the second 4 bytes comes.
*/
if (bytes < info->gtt_entry_size) {
- if (ggtt_mm->ggtt_mm.last_partial_off == -1UL) {
- /* the first partial part*/
- ggtt_mm->ggtt_mm.last_partial_off = off;
- ggtt_mm->ggtt_mm.last_partial_data = e.val64;
- return 0;
- } else if ((g_gtt_index ==
- (ggtt_mm->ggtt_mm.last_partial_off >>
- info->gtt_entry_size_shift)) &&
- (off != ggtt_mm->ggtt_mm.last_partial_off)) {
- /* the second partial part */
-
- int last_off = ggtt_mm->ggtt_mm.last_partial_off &
- (info->gtt_entry_size - 1);
-
- memcpy((void *)&e.val64 + last_off,
- (void *)&ggtt_mm->ggtt_mm.last_partial_data +
- last_off, bytes);
-
- ggtt_mm->ggtt_mm.last_partial_off = -1UL;
- } else {
- int last_offset;
-
- gvt_vgpu_err("failed to populate guest ggtt entry: abnormal ggtt entry write sequence, last_partial_off=%lx, offset=%x, bytes=%d, ggtt entry size=%d\n",
- ggtt_mm->ggtt_mm.last_partial_off, off,
- bytes, info->gtt_entry_size);
-
- /* set host ggtt entry to scratch page and clear
- * virtual ggtt entry as not present for last
- * partially write offset
- */
- last_offset = ggtt_mm->ggtt_mm.last_partial_off &
- (~(info->gtt_entry_size - 1));
-
- ggtt_get_host_entry(ggtt_mm, &m, last_offset);
- ggtt_invalidate_pte(vgpu, &m);
- ops->set_pfn(&m, gvt->gtt.scratch_mfn);
- ops->clear_present(&m);
- ggtt_set_host_entry(ggtt_mm, &m, last_offset);
- ggtt_invalidate(gvt->dev_priv);
-
- ggtt_get_guest_entry(ggtt_mm, &e, last_offset);
- ops->clear_present(&e);
- ggtt_set_guest_entry(ggtt_mm, &e, last_offset);
-
- ggtt_mm->ggtt_mm.last_partial_off = off;
- ggtt_mm->ggtt_mm.last_partial_data = e.val64;
+ bool found = false;
+
+ list_for_each_entry_safe(pos, n,
+ &ggtt_mm->ggtt_mm.partial_pte_list, list) {
+ if (g_gtt_index == pos->offset >>
+ info->gtt_entry_size_shift) {
+ if (off != pos->offset) {
+ /* the second partial part*/
+ int last_off = pos->offset &
+ (info->gtt_entry_size - 1);
+
+ memcpy((void *)&e.val64 + last_off,
+ (void *)&pos->data + last_off,
+ bytes);
+
+ list_del(&pos->list);
+ kfree(pos);
+ found = true;
+ break;
+ }
+
+ /* update of the first partial part */
+ pos->data = e.val64;
+ ggtt_set_guest_entry(ggtt_mm, &e, g_gtt_index);
+ return 0;
+ }
+ }
- return 0;
+ if (!found) {
+ /* the first partial part */
+ partial_pte = kzalloc(sizeof(*partial_pte), GFP_KERNEL);
+ if (!partial_pte)
+ return -ENOMEM;
+ partial_pte->offset = off;
+ partial_pte->data = e.val64;
+ list_add_tail(&partial_pte->list,
+ &ggtt_mm->ggtt_mm.partial_pte_list);
+ partial_update = true;
}
}
- if (ops->test_present(&e)) {
+ if (!partial_update && (ops->test_present(&e))) {
gfn = ops->get_pfn(&e);
m = e;
@@ -2263,16 +2252,18 @@ static int emulate_ggtt_mmio_write(struct intel_vgpu *vgpu, unsigned int off,
} else
ops->set_pfn(&m, dma_addr >> PAGE_SHIFT);
} else {
- ggtt_get_host_entry(ggtt_mm, &m, g_gtt_index);
- ggtt_invalidate_pte(vgpu, &m);
ops->set_pfn(&m, gvt->gtt.scratch_mfn);
ops->clear_present(&m);
}
out:
+ ggtt_set_guest_entry(ggtt_mm, &e, g_gtt_index);
+
+ ggtt_get_host_entry(ggtt_mm, &e, g_gtt_index);
+ ggtt_invalidate_pte(vgpu, &e);
+
ggtt_set_host_entry(ggtt_mm, &m, g_gtt_index);
ggtt_invalidate(gvt->dev_priv);
- ggtt_set_guest_entry(ggtt_mm, &e, g_gtt_index);
return 0;
}
@@ -2430,6 +2421,8 @@ int intel_vgpu_init_gtt(struct intel_vgpu *vgpu)
intel_vgpu_reset_ggtt(vgpu, false);
+ INIT_LIST_HEAD(&gtt->ggtt_mm->ggtt_mm.partial_pte_list);
+
return create_scratch_page_tree(vgpu);
}
@@ -2454,6 +2447,14 @@ static void intel_vgpu_destroy_all_ppgtt_mm(struct intel_vgpu *vgpu)
static void intel_vgpu_destroy_ggtt_mm(struct intel_vgpu *vgpu)
{
+ struct intel_gvt_partial_pte *pos;
+
+ list_for_each_entry(pos,
+ &vgpu->gtt.ggtt_mm->ggtt_mm.partial_pte_list, list) {
+ gvt_dbg_mm("partial PTE update on hold 0x%lx : 0x%llx\n",
+ pos->offset, pos->data);
+ kfree(pos);
+ }
intel_vgpu_destroy_mm(vgpu->gtt.ggtt_mm);
vgpu->gtt.ggtt_mm = NULL;
}
diff --git a/drivers/gpu/drm/i915/gvt/gtt.h b/drivers/gpu/drm/i915/gvt/gtt.h
index 7a9b36176efb..d8cb04cc946d 100644
--- a/drivers/gpu/drm/i915/gvt/gtt.h
+++ b/drivers/gpu/drm/i915/gvt/gtt.h
@@ -35,7 +35,6 @@
#define _GVT_GTT_H_
#define I915_GTT_PAGE_SHIFT 12
-#define I915_GTT_PAGE_MASK (~(I915_GTT_PAGE_SIZE - 1))
struct intel_vgpu_mm;
@@ -133,6 +132,12 @@ enum intel_gvt_mm_type {
#define GVT_RING_CTX_NR_PDPS GEN8_3LVL_PDPES
+struct intel_gvt_partial_pte {
+ unsigned long offset;
+ u64 data;
+ struct list_head list;
+};
+
struct intel_vgpu_mm {
enum intel_gvt_mm_type type;
struct intel_vgpu *vgpu;
@@ -157,8 +162,7 @@ struct intel_vgpu_mm {
} ppgtt_mm;
struct {
void *virtual_ggtt;
- unsigned long last_partial_off;
- u64 last_partial_data;
+ struct list_head partial_pte_list;
} ggtt_mm;
};
};
diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c
index 90f50f67909a..aa280bb07125 100644
--- a/drivers/gpu/drm/i915/gvt/handlers.c
+++ b/drivers/gpu/drm/i915/gvt/handlers.c
@@ -1609,7 +1609,7 @@ static int bxt_gt_disp_pwron_write(struct intel_vgpu *vgpu,
return 0;
}
-static int bxt_edp_psr_imr_iir_write(struct intel_vgpu *vgpu,
+static int edp_psr_imr_iir_write(struct intel_vgpu *vgpu,
unsigned int offset, void *p_data, unsigned int bytes)
{
vgpu_vreg(vgpu, offset) = 0;
@@ -2607,6 +2607,9 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
MMIO_DFH(_MMIO(0x1a178), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(_MMIO(0x1a17c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(_MMIO(0x2217c), D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
+
+ MMIO_DH(EDP_PSR_IMR, D_BDW_PLUS, NULL, edp_psr_imr_iir_write);
+ MMIO_DH(EDP_PSR_IIR, D_BDW_PLUS, NULL, edp_psr_imr_iir_write);
return 0;
}
@@ -3205,9 +3208,6 @@ static int init_bxt_mmio_info(struct intel_gvt *gvt)
MMIO_D(HSW_TVIDEO_DIP_GCP(TRANSCODER_B), D_BXT);
MMIO_D(HSW_TVIDEO_DIP_GCP(TRANSCODER_C), D_BXT);
- MMIO_DH(EDP_PSR_IMR, D_BXT, NULL, bxt_edp_psr_imr_iir_write);
- MMIO_DH(EDP_PSR_IIR, D_BXT, NULL, bxt_edp_psr_imr_iir_write);
-
MMIO_D(RC6_CTX_BASE, D_BXT);
MMIO_D(GEN8_PUSHBUS_CONTROL, D_BXT);
diff --git a/drivers/gpu/drm/i915/gvt/mmio_context.c b/drivers/gpu/drm/i915/gvt/mmio_context.c
index 10e63eea5492..36a5147cd01e 100644
--- a/drivers/gpu/drm/i915/gvt/mmio_context.c
+++ b/drivers/gpu/drm/i915/gvt/mmio_context.c
@@ -131,7 +131,7 @@ static struct engine_mmio gen9_engine_mmio_list[] __cacheline_aligned = {
{RCS, GAMT_CHKN_BIT_REG, 0x0, false}, /* 0x4ab8 */
{RCS, GEN9_GAMT_ECO_REG_RW_IA, 0x0, false}, /* 0x4ab0 */
- {RCS, GEN9_CSFE_CHICKEN1_RCS, 0x0, false}, /* 0x20d4 */
+ {RCS, GEN9_CSFE_CHICKEN1_RCS, 0xffff, false}, /* 0x20d4 */
{RCS, GEN8_GARBCNTL, 0x0, false}, /* 0xb004 */
{RCS, GEN7_FF_THREAD_MODE, 0x0, false}, /* 0x20a0 */
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 44e2c0f5ec50..ffdbbac4400e 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1175,8 +1175,6 @@ skl_dram_get_channels_info(struct drm_i915_private *dev_priv)
return -EINVAL;
}
- dram_info->valid_dimm = true;
-
/*
* If any of the channel is single rank channel, worst case output
* will be same as if single rank memory, so consider single rank
@@ -1193,8 +1191,7 @@ skl_dram_get_channels_info(struct drm_i915_private *dev_priv)
return -EINVAL;
}
- if (ch0.is_16gb_dimm || ch1.is_16gb_dimm)
- dram_info->is_16gb_dimm = true;
+ dram_info->is_16gb_dimm = ch0.is_16gb_dimm || ch1.is_16gb_dimm;
dev_priv->dram_info.symmetric_memory = intel_is_dram_symmetric(val_ch0,
val_ch1,
@@ -1314,7 +1311,6 @@ bxt_get_dram_info(struct drm_i915_private *dev_priv)
return -EINVAL;
}
- dram_info->valid_dimm = true;
dram_info->valid = true;
return 0;
}
@@ -1327,12 +1323,17 @@ intel_get_dram_info(struct drm_i915_private *dev_priv)
int ret;
dram_info->valid = false;
- dram_info->valid_dimm = false;
- dram_info->is_16gb_dimm = false;
dram_info->rank = I915_DRAM_RANK_INVALID;
dram_info->bandwidth_kbps = 0;
dram_info->num_channels = 0;
+ /*
+ * Assume 16Gb DIMMs are present until proven otherwise.
+ * This is only used for the level 0 watermark latency
+ * w/a which does not apply to bxt/glk.
+ */
+ dram_info->is_16gb_dimm = !IS_GEN9_LP(dev_priv);
+
if (INTEL_GEN(dev_priv) < 9 || IS_GEMINILAKE(dev_priv))
return;
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 8624b4bdc242..9102571e9692 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1948,7 +1948,6 @@ struct drm_i915_private {
struct dram_info {
bool valid;
- bool valid_dimm;
bool is_16gb_dimm;
u8 num_channels;
enum dram_rank {
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 09187286d346..1aaccbe7e1de 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -460,7 +460,7 @@ eb_validate_vma(struct i915_execbuffer *eb,
* any non-page-aligned or non-canonical addresses.
*/
if (unlikely(entry->flags & EXEC_OBJECT_PINNED &&
- entry->offset != gen8_canonical_addr(entry->offset & PAGE_MASK)))
+ entry->offset != gen8_canonical_addr(entry->offset & I915_GTT_PAGE_MASK)))
return -EINVAL;
/* pad_to_size was once a reserved field, so sanitize it */
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 56c7f8637311..47c302543799 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -1757,7 +1757,7 @@ static void gen6_dump_ppgtt(struct i915_hw_ppgtt *base, struct seq_file *m)
if (i == 4)
continue;
- seq_printf(m, "\t\t(%03d, %04d) %08lx: ",
+ seq_printf(m, "\t\t(%03d, %04d) %08llx: ",
pde, pte,
(pde * GEN6_PTES + pte) * I915_GTT_PAGE_SIZE);
for (i = 0; i < 4; i++) {
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.h b/drivers/gpu/drm/i915/i915_gem_gtt.h
index 7e2af5f4f39b..28039290655c 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.h
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.h
@@ -42,13 +42,15 @@
#include "i915_selftest.h"
#include "i915_timeline.h"
-#define I915_GTT_PAGE_SIZE_4K BIT(12)
-#define I915_GTT_PAGE_SIZE_64K BIT(16)
-#define I915_GTT_PAGE_SIZE_2M BIT(21)
+#define I915_GTT_PAGE_SIZE_4K BIT_ULL(12)
+#define I915_GTT_PAGE_SIZE_64K BIT_ULL(16)
+#define I915_GTT_PAGE_SIZE_2M BIT_ULL(21)
#define I915_GTT_PAGE_SIZE I915_GTT_PAGE_SIZE_4K
#define I915_GTT_MAX_PAGE_SIZE I915_GTT_PAGE_SIZE_2M
+#define I915_GTT_PAGE_MASK -I915_GTT_PAGE_SIZE
+
#define I915_GTT_MIN_ALIGNMENT I915_GTT_PAGE_SIZE
#define I915_FENCE_REG_NONE -1
@@ -659,20 +661,20 @@ int i915_gem_gtt_insert(struct i915_address_space *vm,
u64 start, u64 end, unsigned int flags);
/* Flags used by pin/bind&friends. */
-#define PIN_NONBLOCK BIT(0)
-#define PIN_MAPPABLE BIT(1)
-#define PIN_ZONE_4G BIT(2)
-#define PIN_NONFAULT BIT(3)
-#define PIN_NOEVICT BIT(4)
-
-#define PIN_MBZ BIT(5) /* I915_VMA_PIN_OVERFLOW */
-#define PIN_GLOBAL BIT(6) /* I915_VMA_GLOBAL_BIND */
-#define PIN_USER BIT(7) /* I915_VMA_LOCAL_BIND */
-#define PIN_UPDATE BIT(8)
-
-#define PIN_HIGH BIT(9)
-#define PIN_OFFSET_BIAS BIT(10)
-#define PIN_OFFSET_FIXED BIT(11)
+#define PIN_NONBLOCK BIT_ULL(0)
+#define PIN_MAPPABLE BIT_ULL(1)
+#define PIN_ZONE_4G BIT_ULL(2)
+#define PIN_NONFAULT BIT_ULL(3)
+#define PIN_NOEVICT BIT_ULL(4)
+
+#define PIN_MBZ BIT_ULL(5) /* I915_VMA_PIN_OVERFLOW */
+#define PIN_GLOBAL BIT_ULL(6) /* I915_VMA_GLOBAL_BIND */
+#define PIN_USER BIT_ULL(7) /* I915_VMA_LOCAL_BIND */
+#define PIN_UPDATE BIT_ULL(8)
+
+#define PIN_HIGH BIT_ULL(9)
+#define PIN_OFFSET_BIAS BIT_ULL(10)
+#define PIN_OFFSET_FIXED BIT_ULL(11)
#define PIN_OFFSET_MASK (-I915_GTT_PAGE_SIZE)
#endif
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 7c491ea3d052..e31c27e45734 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2095,8 +2095,12 @@ enum i915_power_well_id {
/* ICL PHY DFLEX registers */
#define PORT_TX_DFLEXDPMLE1 _MMIO(0x1638C0)
-#define DFLEXDPMLE1_DPMLETC_MASK(n) (0xf << (4 * (n)))
-#define DFLEXDPMLE1_DPMLETC(n, x) ((x) << (4 * (n)))
+#define DFLEXDPMLE1_DPMLETC_MASK(tc_port) (0xf << (4 * (tc_port)))
+#define DFLEXDPMLE1_DPMLETC_ML0(tc_port) (1 << (4 * (tc_port)))
+#define DFLEXDPMLE1_DPMLETC_ML1_0(tc_port) (3 << (4 * (tc_port)))
+#define DFLEXDPMLE1_DPMLETC_ML3(tc_port) (8 << (4 * (tc_port)))
+#define DFLEXDPMLE1_DPMLETC_ML3_2(tc_port) (12 << (4 * (tc_port)))
+#define DFLEXDPMLE1_DPMLETC_ML3_0(tc_port) (15 << (4 * (tc_port)))
/* BXT PHY Ref registers */
#define _PORT_REF_DW3_A 0x16218C
@@ -4593,12 +4597,12 @@ enum {
#define DRM_DIP_ENABLE (1 << 28)
#define PSR_VSC_BIT_7_SET (1 << 27)
-#define VSC_SELECT_MASK (0x3 << 26)
-#define VSC_SELECT_SHIFT 26
-#define VSC_DIP_HW_HEA_DATA (0 << 26)
-#define VSC_DIP_HW_HEA_SW_DATA (1 << 26)
-#define VSC_DIP_HW_DATA_SW_HEA (2 << 26)
-#define VSC_DIP_SW_HEA_DATA (3 << 26)
+#define VSC_SELECT_MASK (0x3 << 25)
+#define VSC_SELECT_SHIFT 25
+#define VSC_DIP_HW_HEA_DATA (0 << 25)
+#define VSC_DIP_HW_HEA_SW_DATA (1 << 25)
+#define VSC_DIP_HW_DATA_SW_HEA (2 << 25)
+#define VSC_DIP_SW_HEA_DATA (3 << 25)
#define VDIP_ENABLE_PPS (1 << 24)
/* Panel power sequencing */
diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
index 769f3f586661..ee3ca2de983b 100644
--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -144,6 +144,9 @@ static const struct {
/* HDMI N/CTS table */
#define TMDS_297M 297000
#define TMDS_296M 296703
+#define TMDS_594M 594000
+#define TMDS_593M 593407
+
static const struct {
int sample_rate;
int clock;
@@ -164,6 +167,20 @@ static const struct {
{ 176400, TMDS_297M, 18816, 247500 },
{ 192000, TMDS_296M, 23296, 281250 },
{ 192000, TMDS_297M, 20480, 247500 },
+ { 44100, TMDS_593M, 8918, 937500 },
+ { 44100, TMDS_594M, 9408, 990000 },
+ { 48000, TMDS_593M, 5824, 562500 },
+ { 48000, TMDS_594M, 6144, 594000 },
+ { 32000, TMDS_593M, 5824, 843750 },
+ { 32000, TMDS_594M, 3072, 445500 },
+ { 88200, TMDS_593M, 17836, 937500 },
+ { 88200, TMDS_594M, 18816, 990000 },
+ { 96000, TMDS_593M, 11648, 562500 },
+ { 96000, TMDS_594M, 12288, 594000 },
+ { 176400, TMDS_593M, 35672, 937500 },
+ { 176400, TMDS_594M, 37632, 990000 },
+ { 192000, TMDS_593M, 23296, 562500 },
+ { 192000, TMDS_594M, 24576, 594000 },
};
/* get AUD_CONFIG_PIXEL_CLOCK_HDMI_* value for mode */
diff --git a/drivers/gpu/drm/i915/intel_cdclk.c b/drivers/gpu/drm/i915/intel_cdclk.c
index 29075c763428..8d74276029e6 100644
--- a/drivers/gpu/drm/i915/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/intel_cdclk.c
@@ -2138,16 +2138,8 @@ void intel_set_cdclk(struct drm_i915_private *dev_priv,
static int intel_pixel_rate_to_cdclk(struct drm_i915_private *dev_priv,
int pixel_rate)
{
- if (INTEL_GEN(dev_priv) >= 10)
+ if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
return DIV_ROUND_UP(pixel_rate, 2);
- else if (IS_GEMINILAKE(dev_priv))
- /*
- * FIXME: Avoid using a pixel clock that is more than 99% of the cdclk
- * as a temporary workaround. Use a higher cdclk instead. (Note that
- * intel_compute_max_dotclk() limits the max pixel clock to 99% of max
- * cdclk.)
- */
- return DIV_ROUND_UP(pixel_rate * 100, 2 * 99);
else if (IS_GEN9(dev_priv) ||
IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv))
return pixel_rate;
@@ -2543,14 +2535,8 @@ static int intel_compute_max_dotclk(struct drm_i915_private *dev_priv)
{
int max_cdclk_freq = dev_priv->max_cdclk_freq;
- if (INTEL_GEN(dev_priv) >= 10)
+ if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
return 2 * max_cdclk_freq;
- else if (IS_GEMINILAKE(dev_priv))
- /*
- * FIXME: Limiting to 99% as a temporary workaround. See
- * intel_min_cdclk() for details.
- */
- return 2 * max_cdclk_freq * 99 / 100;
else if (IS_GEN9(dev_priv) ||
IS_BROADWELL(dev_priv) || IS_HASWELL(dev_priv))
return max_cdclk_freq;
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 9741cc419e1b..23d8008a93bb 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -12768,17 +12768,12 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
intel_check_cpu_fifo_underruns(dev_priv);
intel_check_pch_fifo_underruns(dev_priv);
- if (!new_crtc_state->active) {
- /*
- * Make sure we don't call initial_watermarks
- * for ILK-style watermark updates.
- *
- * No clue what this is supposed to achieve.
- */
- if (INTEL_GEN(dev_priv) >= 9)
- dev_priv->display.initial_watermarks(intel_state,
- to_intel_crtc_state(new_crtc_state));
- }
+ /* FIXME unify this for all platforms */
+ if (!new_crtc_state->active &&
+ !HAS_GMCH_DISPLAY(dev_priv) &&
+ dev_priv->display.initial_watermarks)
+ dev_priv->display.initial_watermarks(intel_state,
+ to_intel_crtc_state(new_crtc_state));
}
}
@@ -14646,7 +14641,7 @@ static int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
fb->height < SKL_MIN_YUV_420_SRC_H ||
(fb->width % 4) != 0 || (fb->height % 4) != 0)) {
DRM_DEBUG_KMS("src dimensions not correct for NV12\n");
- return -EINVAL;
+ goto err;
}
for (i = 0; i < fb->format->num_planes; i++) {
diff --git a/drivers/gpu/drm/i915/intel_lpe_audio.c b/drivers/gpu/drm/i915/intel_lpe_audio.c
index cdf19553ffac..5d5336fbe7b0 100644
--- a/drivers/gpu/drm/i915/intel_lpe_audio.c
+++ b/drivers/gpu/drm/i915/intel_lpe_audio.c
@@ -297,8 +297,10 @@ void intel_lpe_audio_teardown(struct drm_i915_private *dev_priv)
lpe_audio_platdev_destroy(dev_priv);
irq_free_desc(dev_priv->lpe_audio.irq);
-}
+ dev_priv->lpe_audio.irq = -1;
+ dev_priv->lpe_audio.platdev = NULL;
+}
/**
* intel_lpe_audio_notify() - notify lpe audio event
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 1db9b8328275..245f0022bcfd 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2881,8 +2881,7 @@ static void intel_read_wm_latency(struct drm_i915_private *dev_priv,
* any underrun. If not able to get Dimm info assume 16GB dimm
* to avoid any underrun.
*/
- if (!dev_priv->dram_info.valid_dimm ||
- dev_priv->dram_info.is_16gb_dimm)
+ if (dev_priv->dram_info.is_16gb_dimm)
wm[0] += 1;
} else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
diff --git a/drivers/gpu/drm/i915/selftests/huge_pages.c b/drivers/gpu/drm/i915/selftests/huge_pages.c
index 8d03f64eabd7..5c22f2c8d4cf 100644
--- a/drivers/gpu/drm/i915/selftests/huge_pages.c
+++ b/drivers/gpu/drm/i915/selftests/huge_pages.c
@@ -551,7 +551,7 @@ static int igt_mock_ppgtt_misaligned_dma(void *arg)
err = igt_check_page_sizes(vma);
if (vma->page_sizes.gtt != I915_GTT_PAGE_SIZE_4K) {
- pr_err("page_sizes.gtt=%u, expected %lu\n",
+ pr_err("page_sizes.gtt=%u, expected %llu\n",
vma->page_sizes.gtt, I915_GTT_PAGE_SIZE_4K);
err = -EINVAL;
}
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
index 8e2e269db97e..127d81513671 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c
@@ -1337,7 +1337,7 @@ static int igt_gtt_reserve(void *arg)
GEM_BUG_ON(!drm_mm_node_allocated(&vma->node));
if (vma->node.start != total ||
vma->node.size != 2*I915_GTT_PAGE_SIZE) {
- pr_err("i915_gem_gtt_reserve (pass 1) placement failed, found (%llx + %llx), expected (%llx + %lx)\n",
+ pr_err("i915_gem_gtt_reserve (pass 1) placement failed, found (%llx + %llx), expected (%llx + %llx)\n",
vma->node.start, vma->node.size,
total, 2*I915_GTT_PAGE_SIZE);
err = -EINVAL;
@@ -1386,7 +1386,7 @@ static int igt_gtt_reserve(void *arg)
GEM_BUG_ON(!drm_mm_node_allocated(&vma->node));
if (vma->node.start != total ||
vma->node.size != 2*I915_GTT_PAGE_SIZE) {
- pr_err("i915_gem_gtt_reserve (pass 2) placement failed, found (%llx + %llx), expected (%llx + %lx)\n",
+ pr_err("i915_gem_gtt_reserve (pass 2) placement failed, found (%llx + %llx), expected (%llx + %llx)\n",
vma->node.start, vma->node.size,
total, 2*I915_GTT_PAGE_SIZE);
err = -EINVAL;
@@ -1430,7 +1430,7 @@ static int igt_gtt_reserve(void *arg)
GEM_BUG_ON(!drm_mm_node_allocated(&vma->node));
if (vma->node.start != offset ||
vma->node.size != 2*I915_GTT_PAGE_SIZE) {
- pr_err("i915_gem_gtt_reserve (pass 3) placement failed, found (%llx + %llx), expected (%llx + %lx)\n",
+ pr_err("i915_gem_gtt_reserve (pass 3) placement failed, found (%llx + %llx), expected (%llx + %llx)\n",
vma->node.start, vma->node.size,
offset, 2*I915_GTT_PAGE_SIZE);
err = -EINVAL;
diff --git a/drivers/gpu/drm/sun4i/sun4i_lvds.c b/drivers/gpu/drm/sun4i/sun4i_lvds.c
index af7dcb6da351..e7eb0d1e17be 100644
--- a/drivers/gpu/drm/sun4i/sun4i_lvds.c
+++ b/drivers/gpu/drm/sun4i/sun4i_lvds.c
@@ -75,7 +75,7 @@ static void sun4i_lvds_encoder_enable(struct drm_encoder *encoder)
DRM_DEBUG_DRIVER("Enabling LVDS output\n");
- if (!IS_ERR(tcon->panel)) {
+ if (tcon->panel) {
drm_panel_prepare(tcon->panel);
drm_panel_enable(tcon->panel);
}
@@ -88,7 +88,7 @@ static void sun4i_lvds_encoder_disable(struct drm_encoder *encoder)
DRM_DEBUG_DRIVER("Disabling LVDS output\n");
- if (!IS_ERR(tcon->panel)) {
+ if (tcon->panel) {
drm_panel_disable(tcon->panel);
drm_panel_unprepare(tcon->panel);
}
diff --git a/drivers/gpu/drm/sun4i/sun4i_rgb.c b/drivers/gpu/drm/sun4i/sun4i_rgb.c
index bf068da6b12e..f4a22689eb54 100644
--- a/drivers/gpu/drm/sun4i/sun4i_rgb.c
+++ b/drivers/gpu/drm/sun4i/sun4i_rgb.c
@@ -135,7 +135,7 @@ static void sun4i_rgb_encoder_enable(struct drm_encoder *encoder)
DRM_DEBUG_DRIVER("Enabling RGB output\n");
- if (!IS_ERR(tcon->panel)) {
+ if (tcon->panel) {
drm_panel_prepare(tcon->panel);
drm_panel_enable(tcon->panel);
}
@@ -148,7 +148,7 @@ static void sun4i_rgb_encoder_disable(struct drm_encoder *encoder)
DRM_DEBUG_DRIVER("Disabling RGB output\n");
- if (!IS_ERR(tcon->panel)) {
+ if (tcon->panel) {
drm_panel_disable(tcon->panel);
drm_panel_unprepare(tcon->panel);
}
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index c78cd35a1294..f949287d926c 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -491,7 +491,8 @@ static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon,
sun4i_tcon0_mode_set_common(tcon, mode);
/* Set dithering if needed */
- sun4i_tcon0_mode_set_dithering(tcon, tcon->panel->connector);
+ if (tcon->panel)
+ sun4i_tcon0_mode_set_dithering(tcon, tcon->panel->connector);
/* Adjust clock delay */
clk_delay = sun4i_tcon_get_clk_delay(mode, 0);
@@ -555,7 +556,7 @@ static void sun4i_tcon0_mode_set_rgb(struct sun4i_tcon *tcon,
* Following code is a way to avoid quirks all around TCON
* and DOTCLOCK drivers.
*/
- if (!IS_ERR(tcon->panel)) {
+ if (tcon->panel) {
struct drm_panel *panel = tcon->panel;
struct drm_connector *connector = panel->connector;
struct drm_display_info display_info = connector->display_info;
diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
index cf2a18571d48..a132c37d7334 100644
--- a/drivers/gpu/vga/vga_switcheroo.c
+++ b/drivers/gpu/vga/vga_switcheroo.c
@@ -380,6 +380,9 @@ int vga_switcheroo_register_audio_client(struct pci_dev *pdev,
mutex_unlock(&vgasr_mutex);
return -EINVAL;
}
+ /* notify if GPU has been already bound */
+ if (ops->gpu_bound)
+ ops->gpu_bound(pdev, id);
}
mutex_unlock(&vgasr_mutex);
diff --git a/drivers/hid/hid-alps.c b/drivers/hid/hid-alps.c
index aec253b44156..3cd7229b6e54 100644
--- a/drivers/hid/hid-alps.c
+++ b/drivers/hid/hid-alps.c
@@ -660,6 +660,20 @@ exit:
return ret;
}
+static int alps_sp_open(struct input_dev *dev)
+{
+ struct hid_device *hid = input_get_drvdata(dev);
+
+ return hid_hw_open(hid);
+}
+
+static void alps_sp_close(struct input_dev *dev)
+{
+ struct hid_device *hid = input_get_drvdata(dev);
+
+ hid_hw_close(hid);
+}
+
static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi)
{
struct alps_dev *data = hid_get_drvdata(hdev);
@@ -733,6 +747,10 @@ static int alps_input_configured(struct hid_device *hdev, struct hid_input *hi)
input2->id.version = input->id.version;
input2->dev.parent = input->dev.parent;
+ input_set_drvdata(input2, hdev);
+ input2->open = alps_sp_open;
+ input2->close = alps_sp_close;
+
__set_bit(EV_KEY, input2->evbit);
data->sp_btn_cnt = (data->sp_btn_info & 0x0F);
for (i = 0; i < data->sp_btn_cnt; i++)
diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c
index dc6d6477e961..a1fa2fc8c9b5 100644
--- a/drivers/hid/hid-asus.c
+++ b/drivers/hid/hid-asus.c
@@ -359,6 +359,9 @@ static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev)
u32 value;
int ret;
+ if (!IS_ENABLED(CONFIG_ASUS_WMI))
+ return false;
+
ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS2,
ASUS_WMI_DEVID_KBD_BACKLIGHT, 0, &value);
hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value);
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index f63489c882bb..c0d668944dbe 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -927,6 +927,9 @@
#define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3003 0x3003
#define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008 0x3008
+#define I2C_VENDOR_ID_RAYDIUM 0x2386
+#define I2C_PRODUCT_ID_RAYDIUM_4B33 0x4b33
+
#define USB_VENDOR_ID_RAZER 0x1532
#define USB_DEVICE_ID_RAZER_BLADE_14 0x011D
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index 52c3b01917e7..8237dd86fb17 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -107,7 +107,6 @@ static const struct hid_device_id hid_quirks[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOUSE_C05A), HID_QUIRK_ALWAYS_POLL },
{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOUSE_C06A), HID_QUIRK_ALWAYS_POLL },
{ HID_USB_DEVICE(USB_VENDOR_ID_MCS, USB_DEVICE_ID_MCS_GAMEPADBLOCK), HID_QUIRK_MULTI_INPUT },
- { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS), HID_QUIRK_NOGET },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER), HID_QUIRK_NO_INIT_REPORTS },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_SURFACE_PRO_2), HID_QUIRK_NO_INIT_REPORTS },
{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TOUCH_COVER_2), HID_QUIRK_NO_INIT_REPORTS },
diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c
index 4aab96cf0818..3cde7c1b9c33 100644
--- a/drivers/hid/i2c-hid/i2c-hid-core.c
+++ b/drivers/hid/i2c-hid/i2c-hid-core.c
@@ -49,6 +49,7 @@
#define I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV BIT(0)
#define I2C_HID_QUIRK_NO_IRQ_AFTER_RESET BIT(1)
#define I2C_HID_QUIRK_NO_RUNTIME_PM BIT(2)
+#define I2C_HID_QUIRK_DELAY_AFTER_SLEEP BIT(3)
/* flags */
#define I2C_HID_STARTED 0
@@ -158,6 +159,8 @@ struct i2c_hid {
bool irq_wake_enabled;
struct mutex reset_lock;
+
+ unsigned long sleep_delay;
};
static const struct i2c_hid_quirks {
@@ -172,6 +175,8 @@ static const struct i2c_hid_quirks {
{ I2C_VENDOR_ID_HANTICK, I2C_PRODUCT_ID_HANTICK_5288,
I2C_HID_QUIRK_NO_IRQ_AFTER_RESET |
I2C_HID_QUIRK_NO_RUNTIME_PM },
+ { I2C_VENDOR_ID_RAYDIUM, I2C_PRODUCT_ID_RAYDIUM_4B33,
+ I2C_HID_QUIRK_DELAY_AFTER_SLEEP },
{ 0, 0 }
};
@@ -387,6 +392,7 @@ static int i2c_hid_set_power(struct i2c_client *client, int power_state)
{
struct i2c_hid *ihid = i2c_get_clientdata(client);
int ret;
+ unsigned long now, delay;
i2c_hid_dbg(ihid, "%s\n", __func__);
@@ -404,9 +410,22 @@ static int i2c_hid_set_power(struct i2c_client *client, int power_state)
goto set_pwr_exit;
}
+ if (ihid->quirks & I2C_HID_QUIRK_DELAY_AFTER_SLEEP &&
+ power_state == I2C_HID_PWR_ON) {
+ now = jiffies;
+ if (time_after(ihid->sleep_delay, now)) {
+ delay = jiffies_to_usecs(ihid->sleep_delay - now);
+ usleep_range(delay, delay + 1);
+ }
+ }
+
ret = __i2c_hid_command(client, &hid_set_power_cmd, power_state,
0, NULL, 0, NULL, 0);
+ if (ihid->quirks & I2C_HID_QUIRK_DELAY_AFTER_SLEEP &&
+ power_state == I2C_HID_PWR_SLEEP)
+ ihid->sleep_delay = jiffies + msecs_to_jiffies(20);
+
if (ret)
dev_err(&client->dev, "failed to change power setting.\n");
diff --git a/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c b/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c
index cac262a912c1..89f2976f9c53 100644
--- a/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c
+++ b/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c
@@ -331,6 +331,14 @@ static const struct dmi_system_id i2c_hid_dmi_desc_override_table[] = {
.driver_data = (void *)&sipodev_desc
},
{
+ .ident = "Direkt-Tek DTLAPY133-1",
+ .matches = {
+ DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Direkt-Tek"),
+ DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "DTLAPY133-1"),
+ },
+ .driver_data = (void *)&sipodev_desc
+ },
+ {
.ident = "Mediacom Flexbook Edge 11",
.matches = {
DMI_EXACT_MATCH(DMI_SYS_VENDOR, "MEDIACOM"),
diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index 23872d08308c..a746017fac17 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -512,14 +512,24 @@ static noinline int hiddev_ioctl_usage(struct hiddev *hiddev, unsigned int cmd,
if (cmd == HIDIOCGCOLLECTIONINDEX) {
if (uref->usage_index >= field->maxusage)
goto inval;
+ uref->usage_index =
+ array_index_nospec(uref->usage_index,
+ field->maxusage);
} else if (uref->usage_index >= field->report_count)
goto inval;
}
- if ((cmd == HIDIOCGUSAGES || cmd == HIDIOCSUSAGES) &&
- (uref_multi->num_values > HID_MAX_MULTI_USAGES ||
- uref->usage_index + uref_multi->num_values > field->report_count))
- goto inval;
+ if (cmd == HIDIOCGUSAGES || cmd == HIDIOCSUSAGES) {
+ if (uref_multi->num_values > HID_MAX_MULTI_USAGES ||
+ uref->usage_index + uref_multi->num_values >
+ field->report_count)
+ goto inval;
+
+ uref->usage_index =
+ array_index_nospec(uref->usage_index,
+ field->report_count -
+ uref_multi->num_values);
+ }
switch (cmd) {
case HIDIOCGUSAGE:
diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c
index 975c95169884..84f61cec6319 100644
--- a/drivers/hwmon/hwmon.c
+++ b/drivers/hwmon/hwmon.c
@@ -649,8 +649,10 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata,
if (info[i]->config[j] & HWMON_T_INPUT) {
err = hwmon_thermal_add_sensor(dev,
hwdev, j);
- if (err)
- goto free_device;
+ if (err) {
+ device_unregister(hdev);
+ goto ida_remove;
+ }
}
}
}
@@ -658,8 +660,6 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata,
return hdev;
-free_device:
- device_unregister(hdev);
free_hwmon:
kfree(hwdev);
ida_remove:
diff --git a/drivers/hwmon/ibmpowernv.c b/drivers/hwmon/ibmpowernv.c
index 0ccca87f5271..293dd1c6c7b3 100644
--- a/drivers/hwmon/ibmpowernv.c
+++ b/drivers/hwmon/ibmpowernv.c
@@ -181,7 +181,7 @@ static ssize_t show_label(struct device *dev, struct device_attribute *devattr,
return sprintf(buf, "%s\n", sdata->label);
}
-static int __init get_logical_cpu(int hwcpu)
+static int get_logical_cpu(int hwcpu)
{
int cpu;
@@ -192,9 +192,8 @@ static int __init get_logical_cpu(int hwcpu)
return -ENOENT;
}
-static void __init make_sensor_label(struct device_node *np,
- struct sensor_data *sdata,
- const char *label)
+static void make_sensor_label(struct device_node *np,
+ struct sensor_data *sdata, const char *label)
{
u32 id;
size_t n;
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 56ccb1ea7da5..f2c681971201 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -224,6 +224,15 @@ config I2C_NFORCE2_S4985
This driver can also be built as a module. If so, the module
will be called i2c-nforce2-s4985.
+config I2C_NVIDIA_GPU
+ tristate "NVIDIA GPU I2C controller"
+ depends on PCI
+ help
+ If you say yes to this option, support will be included for the
+ NVIDIA GPU I2C controller which is used to communicate with the GPU's
+ Type-C controller. This driver can also be built as a module called
+ i2c-nvidia-gpu.
+
config I2C_SIS5595
tristate "SiS 5595"
depends on PCI
@@ -752,7 +761,7 @@ config I2C_OCORES
config I2C_OMAP
tristate "OMAP I2C adapter"
- depends on ARCH_OMAP
+ depends on ARCH_OMAP || ARCH_K3
default y if MACH_OMAP_H3 || MACH_OMAP_OSK
help
If you say yes to this option, support will be included for the
diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile
index 18b26af82b1c..5f0cb6915969 100644
--- a/drivers/i2c/busses/Makefile
+++ b/drivers/i2c/busses/Makefile
@@ -19,6 +19,7 @@ obj-$(CONFIG_I2C_ISCH) += i2c-isch.o
obj-$(CONFIG_I2C_ISMT) += i2c-ismt.o
obj-$(CONFIG_I2C_NFORCE2) += i2c-nforce2.o
obj-$(CONFIG_I2C_NFORCE2_S4985) += i2c-nforce2-s4985.o
+obj-$(CONFIG_I2C_NVIDIA_GPU) += i2c-nvidia-gpu.o
obj-$(CONFIG_I2C_PIIX4) += i2c-piix4.o
obj-$(CONFIG_I2C_SIS5595) += i2c-sis5595.o
obj-$(CONFIG_I2C_SIS630) += i2c-sis630.o
diff --git a/drivers/i2c/busses/i2c-nvidia-gpu.c b/drivers/i2c/busses/i2c-nvidia-gpu.c
new file mode 100644
index 000000000000..8822357bca0c
--- /dev/null
+++ b/drivers/i2c/busses/i2c-nvidia-gpu.c
@@ -0,0 +1,368 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Nvidia GPU I2C controller Driver
+ *
+ * Copyright (C) 2018 NVIDIA Corporation. All rights reserved.
+ * Author: Ajay Gupta <ajayg@nvidia.com>
+ */
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <linux/pm_runtime.h>
+
+#include <asm/unaligned.h>
+
+/* I2C definitions */
+#define I2C_MST_CNTL 0x00
+#define I2C_MST_CNTL_GEN_START BIT(0)
+#define I2C_MST_CNTL_GEN_STOP BIT(1)
+#define I2C_MST_CNTL_CMD_READ (1 << 2)
+#define I2C_MST_CNTL_CMD_WRITE (2 << 2)
+#define I2C_MST_CNTL_BURST_SIZE_SHIFT 6
+#define I2C_MST_CNTL_GEN_NACK BIT(28)
+#define I2C_MST_CNTL_STATUS GENMASK(30, 29)
+#define I2C_MST_CNTL_STATUS_OKAY (0 << 29)
+#define I2C_MST_CNTL_STATUS_NO_ACK (1 << 29)
+#define I2C_MST_CNTL_STATUS_TIMEOUT (2 << 29)
+#define I2C_MST_CNTL_STATUS_BUS_BUSY (3 << 29)
+#define I2C_MST_CNTL_CYCLE_TRIGGER BIT(31)
+
+#define I2C_MST_ADDR 0x04
+
+#define I2C_MST_I2C0_TIMING 0x08
+#define I2C_MST_I2C0_TIMING_SCL_PERIOD_100KHZ 0x10e
+#define I2C_MST_I2C0_TIMING_TIMEOUT_CLK_CNT 16
+#define I2C_MST_I2C0_TIMING_TIMEOUT_CLK_CNT_MAX 255
+#define I2C_MST_I2C0_TIMING_TIMEOUT_CHECK BIT(24)
+
+#define I2C_MST_DATA 0x0c
+
+#define I2C_MST_HYBRID_PADCTL 0x20
+#define I2C_MST_HYBRID_PADCTL_MODE_I2C BIT(0)
+#define I2C_MST_HYBRID_PADCTL_I2C_SCL_INPUT_RCV BIT(14)
+#define I2C_MST_HYBRID_PADCTL_I2C_SDA_INPUT_RCV BIT(15)
+
+struct gpu_i2c_dev {
+ struct device *dev;
+ void __iomem *regs;
+ struct i2c_adapter adapter;
+ struct i2c_board_info *gpu_ccgx_ucsi;
+};
+
+static void gpu_enable_i2c_bus(struct gpu_i2c_dev *i2cd)
+{
+ u32 val;
+
+ /* enable I2C */
+ val = readl(i2cd->regs + I2C_MST_HYBRID_PADCTL);
+ val |= I2C_MST_HYBRID_PADCTL_MODE_I2C |
+ I2C_MST_HYBRID_PADCTL_I2C_SCL_INPUT_RCV |
+ I2C_MST_HYBRID_PADCTL_I2C_SDA_INPUT_RCV;
+ writel(val, i2cd->regs + I2C_MST_HYBRID_PADCTL);
+
+ /* enable 100KHZ mode */
+ val = I2C_MST_I2C0_TIMING_SCL_PERIOD_100KHZ;
+ val |= (I2C_MST_I2C0_TIMING_TIMEOUT_CLK_CNT_MAX
+ << I2C_MST_I2C0_TIMING_TIMEOUT_CLK_CNT);
+ val |= I2C_MST_I2C0_TIMING_TIMEOUT_CHECK;
+ writel(val, i2cd->regs + I2C_MST_I2C0_TIMING);
+}
+
+static int gpu_i2c_check_status(struct gpu_i2c_dev *i2cd)
+{
+ unsigned long target = jiffies + msecs_to_jiffies(1000);
+ u32 val;
+
+ do {
+ val = readl(i2cd->regs + I2C_MST_CNTL);
+ if (!(val & I2C_MST_CNTL_CYCLE_TRIGGER))
+ break;
+ if ((val & I2C_MST_CNTL_STATUS) !=
+ I2C_MST_CNTL_STATUS_BUS_BUSY)
+ break;
+ usleep_range(500, 600);
+ } while (time_is_after_jiffies(target));
+
+ if (time_is_before_jiffies(target)) {
+ dev_err(i2cd->dev, "i2c timeout error %x\n", val);
+ return -ETIME;
+ }
+
+ val = readl(i2cd->regs + I2C_MST_CNTL);
+ switch (val & I2C_MST_CNTL_STATUS) {
+ case I2C_MST_CNTL_STATUS_OKAY:
+ return 0;
+ case I2C_MST_CNTL_STATUS_NO_ACK:
+ return -EIO;
+ case I2C_MST_CNTL_STATUS_TIMEOUT:
+ return -ETIME;
+ default:
+ return 0;
+ }
+}
+
+static int gpu_i2c_read(struct gpu_i2c_dev *i2cd, u8 *data, u16 len)
+{
+ int status;
+ u32 val;
+
+ val = I2C_MST_CNTL_GEN_START | I2C_MST_CNTL_CMD_READ |
+ (len << I2C_MST_CNTL_BURST_SIZE_SHIFT) |
+ I2C_MST_CNTL_CYCLE_TRIGGER | I2C_MST_CNTL_GEN_NACK;
+ writel(val, i2cd->regs + I2C_MST_CNTL);
+
+ status = gpu_i2c_check_status(i2cd);
+ if (status < 0)
+ return status;
+
+ val = readl(i2cd->regs + I2C_MST_DATA);
+ switch (len) {
+ case 1:
+ data[0] = val;
+ break;
+ case 2:
+ put_unaligned_be16(val, data);
+ break;
+ case 3:
+ put_unaligned_be16(val >> 8, data);
+ data[2] = val;
+ break;
+ case 4:
+ put_unaligned_be32(val, data);
+ break;
+ default:
+ break;
+ }
+ return status;
+}
+
+static int gpu_i2c_start(struct gpu_i2c_dev *i2cd)
+{
+ writel(I2C_MST_CNTL_GEN_START, i2cd->regs + I2C_MST_CNTL);
+ return gpu_i2c_check_status(i2cd);
+}
+
+static int gpu_i2c_stop(struct gpu_i2c_dev *i2cd)
+{
+ writel(I2C_MST_CNTL_GEN_STOP, i2cd->regs + I2C_MST_CNTL);
+ return gpu_i2c_check_status(i2cd);
+}
+
+static int gpu_i2c_write(struct gpu_i2c_dev *i2cd, u8 data)
+{
+ u32 val;
+
+ writel(data, i2cd->regs + I2C_MST_DATA);
+
+ val = I2C_MST_CNTL_CMD_WRITE | (1 << I2C_MST_CNTL_BURST_SIZE_SHIFT);
+ writel(val, i2cd->regs + I2C_MST_CNTL);
+
+ return gpu_i2c_check_status(i2cd);
+}
+
+static int gpu_i2c_master_xfer(struct i2c_adapter *adap,
+ struct i2c_msg *msgs, int num)
+{
+ struct gpu_i2c_dev *i2cd = i2c_get_adapdata(adap);
+ int status, status2;
+ int i, j;
+
+ /*
+ * The controller supports maximum 4 byte read due to known
+ * limitation of sending STOP after every read.
+ */
+ for (i = 0; i < num; i++) {
+ if (msgs[i].flags & I2C_M_RD) {
+ /* program client address before starting read */
+ writel(msgs[i].addr, i2cd->regs + I2C_MST_ADDR);
+ /* gpu_i2c_read has implicit start */
+ status = gpu_i2c_read(i2cd, msgs[i].buf, msgs[i].len);
+ if (status < 0)
+ goto stop;
+ } else {
+ u8 addr = i2c_8bit_addr_from_msg(msgs + i);
+
+ status = gpu_i2c_start(i2cd);
+ if (status < 0) {
+ if (i == 0)
+ return status;
+ goto stop;
+ }
+
+ status = gpu_i2c_write(i2cd, addr);
+ if (status < 0)
+ goto stop;
+
+ for (j = 0; j < msgs[i].len; j++) {
+ status = gpu_i2c_write(i2cd, msgs[i].buf[j]);
+ if (status < 0)
+ goto stop;
+ }
+ }
+ }
+ status = gpu_i2c_stop(i2cd);
+ if (status < 0)
+ return status;
+
+ return i;
+stop:
+ status2 = gpu_i2c_stop(i2cd);
+ if (status2 < 0)
+ dev_err(i2cd->dev, "i2c stop failed %d\n", status2);
+ return status;
+}
+
+static const struct i2c_adapter_quirks gpu_i2c_quirks = {
+ .max_read_len = 4,
+ .flags = I2C_AQ_COMB_WRITE_THEN_READ,
+};
+
+static u32 gpu_i2c_functionality(struct i2c_adapter *adap)
+{
+ return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
+}
+
+static const struct i2c_algorithm gpu_i2c_algorithm = {
+ .master_xfer = gpu_i2c_master_xfer,
+ .functionality = gpu_i2c_functionality,
+};
+
+/*
+ * This driver is for Nvidia GPU cards with USB Type-C interface.
+ * We want to identify the cards using vendor ID and class code only
+ * to avoid dependency of adding product id for any new card which
+ * requires this driver.
+ * Currently there is no class code defined for UCSI device over PCI
+ * so using UNKNOWN class for now and it will be updated when UCSI
+ * over PCI gets a class code.
+ * There is no other NVIDIA cards with UNKNOWN class code. Even if the
+ * driver gets loaded for an undesired card then eventually i2c_read()
+ * (initiated from UCSI i2c_client) will timeout or UCSI commands will
+ * timeout.
+ */
+#define PCI_CLASS_SERIAL_UNKNOWN 0x0c80
+static const struct pci_device_id gpu_i2c_ids[] = {
+ { PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
+ PCI_CLASS_SERIAL_UNKNOWN << 8, 0xffffff00},
+ { }
+};
+MODULE_DEVICE_TABLE(pci, gpu_i2c_ids);
+
+static int gpu_populate_client(struct gpu_i2c_dev *i2cd, int irq)
+{
+ struct i2c_client *ccgx_client;
+
+ i2cd->gpu_ccgx_ucsi = devm_kzalloc(i2cd->dev,
+ sizeof(*i2cd->gpu_ccgx_ucsi),
+ GFP_KERNEL);
+ if (!i2cd->gpu_ccgx_ucsi)
+ return -ENOMEM;
+
+ strlcpy(i2cd->gpu_ccgx_ucsi->type, "ccgx-ucsi",
+ sizeof(i2cd->gpu_ccgx_ucsi->type));
+ i2cd->gpu_ccgx_ucsi->addr = 0x8;
+ i2cd->gpu_ccgx_ucsi->irq = irq;
+ ccgx_client = i2c_new_device(&i2cd->adapter, i2cd->gpu_ccgx_ucsi);
+ if (!ccgx_client)
+ return -ENODEV;
+
+ return 0;
+}
+
+static int gpu_i2c_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+ struct gpu_i2c_dev *i2cd;
+ int status;
+
+ i2cd = devm_kzalloc(&pdev->dev, sizeof(*i2cd), GFP_KERNEL);
+ if (!i2cd)
+ return -ENOMEM;
+
+ i2cd->dev = &pdev->dev;
+ dev_set_drvdata(&pdev->dev, i2cd);
+
+ status = pcim_enable_device(pdev);
+ if (status < 0) {
+ dev_err(&pdev->dev, "pcim_enable_device failed %d\n", status);
+ return status;
+ }
+
+ pci_set_master(pdev);
+
+ i2cd->regs = pcim_iomap(pdev, 0, 0);
+ if (!i2cd->regs) {
+ dev_err(&pdev->dev, "pcim_iomap failed\n");
+ return -ENOMEM;
+ }
+
+ status = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI);
+ if (status < 0) {
+ dev_err(&pdev->dev, "pci_alloc_irq_vectors err %d\n", status);
+ return status;
+ }
+
+ gpu_enable_i2c_bus(i2cd);
+
+ i2c_set_adapdata(&i2cd->adapter, i2cd);
+ i2cd->adapter.owner = THIS_MODULE;
+ strlcpy(i2cd->adapter.name, "NVIDIA GPU I2C adapter",
+ sizeof(i2cd->adapter.name));
+ i2cd->adapter.algo = &gpu_i2c_algorithm;
+ i2cd->adapter.quirks = &gpu_i2c_quirks;
+ i2cd->adapter.dev.parent = &pdev->dev;
+ status = i2c_add_adapter(&i2cd->adapter);
+ if (status < 0)
+ goto free_irq_vectors;
+
+ status = gpu_populate_client(i2cd, pdev->irq);
+ if (status < 0) {
+ dev_err(&pdev->dev, "gpu_populate_client failed %d\n", status);
+ goto del_adapter;
+ }
+
+ return 0;
+
+del_adapter:
+ i2c_del_adapter(&i2cd->adapter);
+free_irq_vectors:
+ pci_free_irq_vectors(pdev);
+ return status;
+}
+
+static void gpu_i2c_remove(struct pci_dev *pdev)
+{
+ struct gpu_i2c_dev *i2cd = dev_get_drvdata(&pdev->dev);
+
+ i2c_del_adapter(&i2cd->adapter);
+ pci_free_irq_vectors(pdev);
+}
+
+static int gpu_i2c_resume(struct device *dev)
+{
+ struct gpu_i2c_dev *i2cd = dev_get_drvdata(dev);
+
+ gpu_enable_i2c_bus(i2cd);
+ return 0;
+}
+
+static UNIVERSAL_DEV_PM_OPS(gpu_i2c_driver_pm, NULL, gpu_i2c_resume, NULL);
+
+static struct pci_driver gpu_i2c_driver = {
+ .name = "nvidia-gpu",
+ .id_table = gpu_i2c_ids,
+ .probe = gpu_i2c_probe,
+ .remove = gpu_i2c_remove,
+ .driver = {
+ .pm = &gpu_i2c_driver_pm,
+ },
+};
+
+module_pci_driver(gpu_i2c_driver);
+
+MODULE_AUTHOR("Ajay Gupta <ajayg@nvidia.com>");
+MODULE_DESCRIPTION("Nvidia GPU I2C controller Driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/i2c/busses/i2c-qcom-geni.c b/drivers/i2c/busses/i2c-qcom-geni.c
index 527f55c8c4c7..db075bc0d952 100644
--- a/drivers/i2c/busses/i2c-qcom-geni.c
+++ b/drivers/i2c/busses/i2c-qcom-geni.c
@@ -571,18 +571,19 @@ static int geni_i2c_probe(struct platform_device *pdev)
dev_dbg(&pdev->dev, "i2c fifo/se-dma mode. fifo depth:%d\n", tx_depth);
- ret = i2c_add_adapter(&gi2c->adap);
- if (ret) {
- dev_err(&pdev->dev, "Error adding i2c adapter %d\n", ret);
- return ret;
- }
-
gi2c->suspended = 1;
pm_runtime_set_suspended(gi2c->se.dev);
pm_runtime_set_autosuspend_delay(gi2c->se.dev, I2C_AUTO_SUSPEND_DELAY);
pm_runtime_use_autosuspend(gi2c->se.dev);
pm_runtime_enable(gi2c->se.dev);
+ ret = i2c_add_adapter(&gi2c->adap);
+ if (ret) {
+ dev_err(&pdev->dev, "Error adding i2c adapter %d\n", ret);
+ pm_runtime_disable(gi2c->se.dev);
+ return ret;
+ }
+
return 0;
}
@@ -590,8 +591,8 @@ static int geni_i2c_remove(struct platform_device *pdev)
{
struct geni_i2c_dev *gi2c = platform_get_drvdata(pdev);
- pm_runtime_disable(gi2c->se.dev);
i2c_del_adapter(&gi2c->adap);
+ pm_runtime_disable(gi2c->se.dev);
return 0;
}
diff --git a/drivers/leds/trigger/ledtrig-pattern.c b/drivers/leds/trigger/ledtrig-pattern.c
index ce7acd115dd8..1870cf87afe1 100644
--- a/drivers/leds/trigger/ledtrig-pattern.c
+++ b/drivers/leds/trigger/ledtrig-pattern.c
@@ -75,8 +75,6 @@ static void pattern_trig_timer_function(struct timer_list *t)
{
struct pattern_trig_data *data = from_timer(data, t, timer);
- mutex_lock(&data->lock);
-
for (;;) {
if (!data->is_indefinite && !data->repeat)
break;
@@ -87,9 +85,10 @@ static void pattern_trig_timer_function(struct timer_list *t)
data->curr->brightness);
mod_timer(&data->timer,
jiffies + msecs_to_jiffies(data->curr->delta_t));
-
- /* Skip the tuple with zero duration */
- pattern_trig_update_patterns(data);
+ if (!data->next->delta_t) {
+ /* Skip the tuple with zero duration */
+ pattern_trig_update_patterns(data);
+ }
/* Select next tuple */
pattern_trig_update_patterns(data);
} else {
@@ -116,8 +115,6 @@ static void pattern_trig_timer_function(struct timer_list *t)
break;
}
-
- mutex_unlock(&data->lock);
}
static int pattern_trig_start_pattern(struct led_classdev *led_cdev)
@@ -176,14 +173,10 @@ static ssize_t repeat_store(struct device *dev, struct device_attribute *attr,
if (res < -1 || res == 0)
return -EINVAL;
- /*
- * Clear previous patterns' performence firstly, and remove the timer
- * without mutex lock to avoid dead lock.
- */
- del_timer_sync(&data->timer);
-
mutex_lock(&data->lock);
+ del_timer_sync(&data->timer);
+
if (data->is_hw_pattern)
led_cdev->pattern_clear(led_cdev);
@@ -234,14 +227,10 @@ static ssize_t pattern_trig_store_patterns(struct led_classdev *led_cdev,
struct pattern_trig_data *data = led_cdev->trigger_data;
int ccount, cr, offset = 0, err = 0;
- /*
- * Clear previous patterns' performence firstly, and remove the timer
- * without mutex lock to avoid dead lock.
- */
- del_timer_sync(&data->timer);
-
mutex_lock(&data->lock);
+ del_timer_sync(&data->timer);
+
if (data->is_hw_pattern)
led_cdev->pattern_clear(led_cdev);
diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig
index e514d57a0419..aa983422aa97 100644
--- a/drivers/mtd/devices/Kconfig
+++ b/drivers/mtd/devices/Kconfig
@@ -207,7 +207,7 @@ comment "Disk-On-Chip Device Drivers"
config MTD_DOCG3
tristate "M-Systems Disk-On-Chip G3"
select BCH
- select BCH_CONST_PARAMS
+ select BCH_CONST_PARAMS if !MTD_NAND_BCH
select BITREVERSE
help
This provides an MTD device driver for the M-Systems DiskOnChip
diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c
index 784c6e1a0391..fd5fe12d7461 100644
--- a/drivers/mtd/maps/sa1100-flash.c
+++ b/drivers/mtd/maps/sa1100-flash.c
@@ -221,7 +221,14 @@ static struct sa_info *sa1100_setup_mtd(struct platform_device *pdev,
info->mtd = info->subdev[0].mtd;
ret = 0;
} else if (info->num_subdev > 1) {
- struct mtd_info *cdev[nr];
+ struct mtd_info **cdev;
+
+ cdev = kmalloc_array(nr, sizeof(*cdev), GFP_KERNEL);
+ if (!cdev) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
/*
* We detected multiple devices. Concatenate them together.
*/
@@ -230,6 +237,7 @@ static struct sa_info *sa1100_setup_mtd(struct platform_device *pdev,
info->mtd = mtd_concat_create(cdev, info->num_subdev,
plat->name);
+ kfree(cdev);
if (info->mtd == NULL) {
ret = -ENXIO;
goto err;
diff --git a/drivers/mtd/nand/raw/nand_base.c b/drivers/mtd/nand/raw/nand_base.c
index 05bd0779fe9b..71050a0b31df 100644
--- a/drivers/mtd/nand/raw/nand_base.c
+++ b/drivers/mtd/nand/raw/nand_base.c
@@ -590,7 +590,6 @@ retry:
/**
* panic_nand_wait - [GENERIC] wait until the command is done
- * @mtd: MTD device structure
* @chip: NAND chip structure
* @timeo: timeout
*
diff --git a/drivers/mtd/spi-nor/cadence-quadspi.c b/drivers/mtd/spi-nor/cadence-quadspi.c
index e24db817154e..d846428ef038 100644
--- a/drivers/mtd/spi-nor/cadence-quadspi.c
+++ b/drivers/mtd/spi-nor/cadence-quadspi.c
@@ -996,7 +996,7 @@ static int cqspi_direct_read_execute(struct spi_nor *nor, u_char *buf,
err_unmap:
dma_unmap_single(nor->dev, dma_dst, len, DMA_FROM_DEVICE);
- return 0;
+ return ret;
}
static ssize_t cqspi_read(struct spi_nor *nor, loff_t from,
diff --git a/drivers/mtd/spi-nor/spi-nor.c b/drivers/mtd/spi-nor/spi-nor.c
index 9407ca5f9443..3e54e31889c7 100644
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -3250,12 +3250,14 @@ static int spi_nor_init_params(struct spi_nor *nor,
memcpy(&sfdp_params, params, sizeof(sfdp_params));
memcpy(&prev_map, &nor->erase_map, sizeof(prev_map));
- if (spi_nor_parse_sfdp(nor, &sfdp_params))
+ if (spi_nor_parse_sfdp(nor, &sfdp_params)) {
+ nor->addr_width = 0;
/* restore previous erase map */
memcpy(&nor->erase_map, &prev_map,
sizeof(nor->erase_map));
- else
+ } else {
memcpy(params, &sfdp_params, sizeof(*params));
+ }
}
return 0;
diff --git a/drivers/net/dsa/mv88e6xxx/global1.c b/drivers/net/dsa/mv88e6xxx/global1.c
index d721ccf7d8be..38e399e0f30e 100644
--- a/drivers/net/dsa/mv88e6xxx/global1.c
+++ b/drivers/net/dsa/mv88e6xxx/global1.c
@@ -567,6 +567,8 @@ int mv88e6xxx_g1_stats_clear(struct mv88e6xxx_chip *chip)
if (err)
return err;
+ /* Keep the histogram mode bits */
+ val &= MV88E6XXX_G1_STATS_OP_HIST_RX_TX;
val |= MV88E6XXX_G1_STATS_OP_BUSY | MV88E6XXX_G1_STATS_OP_FLUSH_ALL;
err = mv88e6xxx_g1_write(chip, MV88E6XXX_G1_STATS_OP, val);
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
index 6a633c70f603..99ef1daaa4d8 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ethtool.c
@@ -407,13 +407,13 @@ static void aq_ethtool_get_pauseparam(struct net_device *ndev,
struct ethtool_pauseparam *pause)
{
struct aq_nic_s *aq_nic = netdev_priv(ndev);
+ u32 fc = aq_nic->aq_nic_cfg.flow_control;
pause->autoneg = 0;
- if (aq_nic->aq_hw->aq_nic_cfg->flow_control & AQ_NIC_FC_RX)
- pause->rx_pause = 1;
- if (aq_nic->aq_hw->aq_nic_cfg->flow_control & AQ_NIC_FC_TX)
- pause->tx_pause = 1;
+ pause->rx_pause = !!(fc & AQ_NIC_FC_RX);
+ pause->tx_pause = !!(fc & AQ_NIC_FC_TX);
+
}
static int aq_ethtool_set_pauseparam(struct net_device *ndev,
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
index e8689241204e..a1e70da358ca 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_hw.h
@@ -204,6 +204,10 @@ struct aq_hw_ops {
int (*hw_get_fw_version)(struct aq_hw_s *self, u32 *fw_version);
+ int (*hw_set_offload)(struct aq_hw_s *self,
+ struct aq_nic_cfg_s *aq_nic_cfg);
+
+ int (*hw_set_fc)(struct aq_hw_s *self, u32 fc, u32 tc);
};
struct aq_fw_ops {
@@ -226,6 +230,8 @@ struct aq_fw_ops {
int (*update_stats)(struct aq_hw_s *self);
+ u32 (*get_flow_control)(struct aq_hw_s *self, u32 *fcmode);
+
int (*set_flow_control)(struct aq_hw_s *self);
int (*set_power)(struct aq_hw_s *self, unsigned int power_state,
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_main.c b/drivers/net/ethernet/aquantia/atlantic/aq_main.c
index e3ae29e523f0..7c07eef275eb 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_main.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_main.c
@@ -99,8 +99,11 @@ static int aq_ndev_set_features(struct net_device *ndev,
struct aq_nic_s *aq_nic = netdev_priv(ndev);
struct aq_nic_cfg_s *aq_cfg = aq_nic_get_cfg(aq_nic);
bool is_lro = false;
+ int err = 0;
+
+ aq_cfg->features = features;
- if (aq_cfg->hw_features & NETIF_F_LRO) {
+ if (aq_cfg->aq_hw_caps->hw_features & NETIF_F_LRO) {
is_lro = features & NETIF_F_LRO;
if (aq_cfg->is_lro != is_lro) {
@@ -112,8 +115,11 @@ static int aq_ndev_set_features(struct net_device *ndev,
}
}
}
+ if ((aq_nic->ndev->features ^ features) & NETIF_F_RXCSUM)
+ err = aq_nic->aq_hw_ops->hw_set_offload(aq_nic->aq_hw,
+ aq_cfg);
- return 0;
+ return err;
}
static int aq_ndev_set_mac_address(struct net_device *ndev, void *addr)
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
index 5fed24446687..7abdc0952425 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
@@ -118,12 +118,13 @@ void aq_nic_cfg_start(struct aq_nic_s *self)
}
cfg->link_speed_msk &= cfg->aq_hw_caps->link_speed_msk;
- cfg->hw_features = cfg->aq_hw_caps->hw_features;
+ cfg->features = cfg->aq_hw_caps->hw_features;
}
static int aq_nic_update_link_status(struct aq_nic_s *self)
{
int err = self->aq_fw_ops->update_link_status(self->aq_hw);
+ u32 fc = 0;
if (err)
return err;
@@ -133,6 +134,15 @@ static int aq_nic_update_link_status(struct aq_nic_s *self)
AQ_CFG_DRV_NAME, self->link_status.mbps,
self->aq_hw->aq_link_status.mbps);
aq_nic_update_interrupt_moderation_settings(self);
+
+ /* Driver has to update flow control settings on RX block
+ * on any link event.
+ * We should query FW whether it negotiated FC.
+ */
+ if (self->aq_fw_ops->get_flow_control)
+ self->aq_fw_ops->get_flow_control(self->aq_hw, &fc);
+ if (self->aq_hw_ops->hw_set_fc)
+ self->aq_hw_ops->hw_set_fc(self->aq_hw, fc, 0);
}
self->link_status = self->aq_hw->aq_link_status;
@@ -590,7 +600,7 @@ int aq_nic_set_multicast_list(struct aq_nic_s *self, struct net_device *ndev)
}
}
- if (i > 0 && i < AQ_HW_MULTICAST_ADDRESS_MAX) {
+ if (i > 0 && i <= AQ_HW_MULTICAST_ADDRESS_MAX) {
packet_filter |= IFF_MULTICAST;
self->mc_list.count = i;
self->aq_hw_ops->hw_multicast_list_set(self->aq_hw,
@@ -772,7 +782,9 @@ void aq_nic_get_link_ksettings(struct aq_nic_s *self,
ethtool_link_ksettings_add_link_mode(cmd, advertising,
Pause);
- if (self->aq_nic_cfg.flow_control & AQ_NIC_FC_TX)
+ /* Asym is when either RX or TX, but not both */
+ if (!!(self->aq_nic_cfg.flow_control & AQ_NIC_FC_TX) ^
+ !!(self->aq_nic_cfg.flow_control & AQ_NIC_FC_RX))
ethtool_link_ksettings_add_link_mode(cmd, advertising,
Asym_Pause);
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
index c1582f4e8e1b..44ec47a3d60a 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.h
@@ -23,7 +23,7 @@ struct aq_vec_s;
struct aq_nic_cfg_s {
const struct aq_hw_caps_s *aq_hw_caps;
- u64 hw_features;
+ u64 features;
u32 rxds; /* rx ring size, descriptors # */
u32 txds; /* tx ring size, descriptors # */
u32 vecs; /* vecs==allocated irqs */
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
index 3db91446cc67..74550ccc7a20 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
@@ -172,6 +172,27 @@ bool aq_ring_tx_clean(struct aq_ring_s *self)
return !!budget;
}
+static void aq_rx_checksum(struct aq_ring_s *self,
+ struct aq_ring_buff_s *buff,
+ struct sk_buff *skb)
+{
+ if (!(self->aq_nic->ndev->features & NETIF_F_RXCSUM))
+ return;
+
+ if (unlikely(buff->is_cso_err)) {
+ ++self->stats.rx.errors;
+ skb->ip_summed = CHECKSUM_NONE;
+ return;
+ }
+ if (buff->is_ip_cso) {
+ __skb_incr_checksum_unnecessary(skb);
+ if (buff->is_udp_cso || buff->is_tcp_cso)
+ __skb_incr_checksum_unnecessary(skb);
+ } else {
+ skb->ip_summed = CHECKSUM_NONE;
+ }
+}
+
#define AQ_SKB_ALIGN SKB_DATA_ALIGN(sizeof(struct skb_shared_info))
int aq_ring_rx_clean(struct aq_ring_s *self,
struct napi_struct *napi,
@@ -267,18 +288,8 @@ int aq_ring_rx_clean(struct aq_ring_s *self,
}
skb->protocol = eth_type_trans(skb, ndev);
- if (unlikely(buff->is_cso_err)) {
- ++self->stats.rx.errors;
- skb->ip_summed = CHECKSUM_NONE;
- } else {
- if (buff->is_ip_cso) {
- __skb_incr_checksum_unnecessary(skb);
- if (buff->is_udp_cso || buff->is_tcp_cso)
- __skb_incr_checksum_unnecessary(skb);
- } else {
- skb->ip_summed = CHECKSUM_NONE;
- }
- }
+
+ aq_rx_checksum(self, buff, skb);
skb_set_hash(skb, buff->rss_hash,
buff->is_hash_l4 ? PKT_HASH_TYPE_L4 :
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
index 76d25d594a0f..f02592f43fe3 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c
@@ -100,12 +100,17 @@ static int hw_atl_b0_hw_reset(struct aq_hw_s *self)
return err;
}
+static int hw_atl_b0_set_fc(struct aq_hw_s *self, u32 fc, u32 tc)
+{
+ hw_atl_rpb_rx_xoff_en_per_tc_set(self, !!(fc & AQ_NIC_FC_RX), tc);
+ return 0;
+}
+
static int hw_atl_b0_hw_qos_set(struct aq_hw_s *self)
{
u32 tc = 0U;
u32 buff_size = 0U;
unsigned int i_priority = 0U;
- bool is_rx_flow_control = false;
/* TPS Descriptor rate init */
hw_atl_tps_tx_pkt_shed_desc_rate_curr_time_res_set(self, 0x0U);
@@ -138,7 +143,6 @@ static int hw_atl_b0_hw_qos_set(struct aq_hw_s *self)
/* QoS Rx buf size per TC */
tc = 0;
- is_rx_flow_control = (AQ_NIC_FC_RX & self->aq_nic_cfg->flow_control);
buff_size = HW_ATL_B0_RXBUF_MAX;
hw_atl_rpb_rx_pkt_buff_size_per_tc_set(self, buff_size, tc);
@@ -150,7 +154,8 @@ static int hw_atl_b0_hw_qos_set(struct aq_hw_s *self)
(buff_size *
(1024U / 32U) * 50U) /
100U, tc);
- hw_atl_rpb_rx_xoff_en_per_tc_set(self, is_rx_flow_control ? 1U : 0U, tc);
+
+ hw_atl_b0_set_fc(self, self->aq_nic_cfg->flow_control, tc);
/* QoS 802.1p priority -> TC mapping */
for (i_priority = 8U; i_priority--;)
@@ -229,8 +234,10 @@ static int hw_atl_b0_hw_offload_set(struct aq_hw_s *self,
hw_atl_tpo_tcp_udp_crc_offload_en_set(self, 1);
/* RX checksums offloads*/
- hw_atl_rpo_ipv4header_crc_offload_en_set(self, 1);
- hw_atl_rpo_tcp_udp_crc_offload_en_set(self, 1);
+ hw_atl_rpo_ipv4header_crc_offload_en_set(self, !!(aq_nic_cfg->features &
+ NETIF_F_RXCSUM));
+ hw_atl_rpo_tcp_udp_crc_offload_en_set(self, !!(aq_nic_cfg->features &
+ NETIF_F_RXCSUM));
/* LSO offloads*/
hw_atl_tdm_large_send_offload_en_set(self, 0xFFFFFFFFU);
@@ -655,9 +662,9 @@ static int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s *self,
struct hw_atl_rxd_wb_s *rxd_wb = (struct hw_atl_rxd_wb_s *)
&ring->dx_ring[ring->hw_head * HW_ATL_B0_RXD_SIZE];
- unsigned int is_err = 1U;
unsigned int is_rx_check_sum_enabled = 0U;
unsigned int pkt_type = 0U;
+ u8 rx_stat = 0U;
if (!(rxd_wb->status & 0x1U)) { /* RxD is not done */
break;
@@ -665,35 +672,35 @@ static int hw_atl_b0_hw_ring_rx_receive(struct aq_hw_s *self,
buff = &ring->buff_ring[ring->hw_head];
- is_err = (0x0000003CU & rxd_wb->status);
+ rx_stat = (0x0000003CU & rxd_wb->status) >> 2;
is_rx_check_sum_enabled = (rxd_wb->type) & (0x3U << 19);
- is_err &= ~0x20U; /* exclude validity bit */
pkt_type = 0xFFU & (rxd_wb->type >> 4);
- if (is_rx_check_sum_enabled) {
- if (0x0U == (pkt_type & 0x3U))
- buff->is_ip_cso = (is_err & 0x08U) ? 0U : 1U;
+ if (is_rx_check_sum_enabled & BIT(0) &&
+ (0x0U == (pkt_type & 0x3U)))
+ buff->is_ip_cso = (rx_stat & BIT(1)) ? 0U : 1U;
+ if (is_rx_check_sum_enabled & BIT(1)) {
if (0x4U == (pkt_type & 0x1CU))
- buff->is_udp_cso = buff->is_cso_err ? 0U : 1U;
+ buff->is_udp_cso = (rx_stat & BIT(2)) ? 0U :
+ !!(rx_stat & BIT(3));
else if (0x0U == (pkt_type & 0x1CU))
- buff->is_tcp_cso = buff->is_cso_err ? 0U : 1U;
-
- /* Checksum offload workaround for small packets */
- if (rxd_wb->pkt_len <= 60) {
- buff->is_ip_cso = 0U;
- buff->is_cso_err = 0U;
- }
+ buff->is_tcp_cso = (rx_stat & BIT(2)) ? 0U :
+ !!(rx_stat & BIT(3));
+ }
+ buff->is_cso_err = !!(rx_stat & 0x6);
+ /* Checksum offload workaround for small packets */
+ if (unlikely(rxd_wb->pkt_len <= 60)) {
+ buff->is_ip_cso = 0U;
+ buff->is_cso_err = 0U;
}
-
- is_err &= ~0x18U;
dma_unmap_page(ndev, buff->pa, buff->len, DMA_FROM_DEVICE);
- if (is_err || rxd_wb->type & 0x1000U) {
- /* status error or DMA error */
+ if ((rx_stat & BIT(0)) || rxd_wb->type & 0x1000U) {
+ /* MAC error or DMA error */
buff->is_error = 1U;
} else {
if (self->aq_nic_cfg->is_rss) {
@@ -915,6 +922,12 @@ static int hw_atl_b0_hw_interrupt_moderation_set(struct aq_hw_s *self)
static int hw_atl_b0_hw_stop(struct aq_hw_s *self)
{
hw_atl_b0_hw_irq_disable(self, HW_ATL_B0_INT_MASK);
+
+ /* Invalidate Descriptor Cache to prevent writing to the cached
+ * descriptors and to the data pointer of those descriptors
+ */
+ hw_atl_rdm_rx_dma_desc_cache_init_set(self, 1);
+
return aq_hw_err_from_flags(self);
}
@@ -963,4 +976,6 @@ const struct aq_hw_ops hw_atl_ops_b0 = {
.hw_get_regs = hw_atl_utils_hw_get_regs,
.hw_get_hw_stats = hw_atl_utils_get_hw_stats,
.hw_get_fw_version = hw_atl_utils_get_fw_version,
+ .hw_set_offload = hw_atl_b0_hw_offload_set,
+ .hw_set_fc = hw_atl_b0_set_fc,
};
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
index be0a3a90dfad..5502ec5f0f69 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.c
@@ -619,6 +619,14 @@ void hw_atl_rpb_rx_flow_ctl_mode_set(struct aq_hw_s *aq_hw, u32 rx_flow_ctl_mode
HW_ATL_RPB_RX_FC_MODE_SHIFT, rx_flow_ctl_mode);
}
+void hw_atl_rdm_rx_dma_desc_cache_init_set(struct aq_hw_s *aq_hw, u32 init)
+{
+ aq_hw_write_reg_bit(aq_hw, HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_ADR,
+ HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_MSK,
+ HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_SHIFT,
+ init);
+}
+
void hw_atl_rpb_rx_pkt_buff_size_per_tc_set(struct aq_hw_s *aq_hw,
u32 rx_pkt_buff_size_per_tc, u32 buffer)
{
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h
index 7056c7342afc..41f239928c15 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh.h
@@ -325,6 +325,9 @@ void hw_atl_rpb_rx_pkt_buff_size_per_tc_set(struct aq_hw_s *aq_hw,
u32 rx_pkt_buff_size_per_tc,
u32 buffer);
+/* set rdm rx dma descriptor cache init */
+void hw_atl_rdm_rx_dma_desc_cache_init_set(struct aq_hw_s *aq_hw, u32 init);
+
/* set rx xoff enable (per tc) */
void hw_atl_rpb_rx_xoff_en_per_tc_set(struct aq_hw_s *aq_hw, u32 rx_xoff_en_per_tc,
u32 buffer);
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
index 716674a9b729..a715fa317b1c 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_llh_internal.h
@@ -293,6 +293,24 @@
/* default value of bitfield desc{d}_reset */
#define HW_ATL_RDM_DESCDRESET_DEFAULT 0x0
+/* rdm_desc_init_i bitfield definitions
+ * preprocessor definitions for the bitfield rdm_desc_init_i.
+ * port="pif_rdm_desc_init_i"
+ */
+
+/* register address for bitfield rdm_desc_init_i */
+#define HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_ADR 0x00005a00
+/* bitmask for bitfield rdm_desc_init_i */
+#define HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_MSK 0xffffffff
+/* inverted bitmask for bitfield rdm_desc_init_i */
+#define HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_MSKN 0x00000000
+/* lower bit position of bitfield rdm_desc_init_i */
+#define HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_SHIFT 0
+/* width of bitfield rdm_desc_init_i */
+#define HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_WIDTH 32
+/* default value of bitfield rdm_desc_init_i */
+#define HW_ATL_RDM_RX_DMA_DESC_CACHE_INIT_DEFAULT 0x0
+
/* rx int_desc_wrb_en bitfield definitions
* preprocessor definitions for the bitfield "int_desc_wrb_en".
* port="pif_rdm_int_desc_wrb_en_i"
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c
index 096ca5730887..7de3220d9cab 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils_fw2x.c
@@ -30,6 +30,8 @@
#define HW_ATL_FW2X_MPI_STATE_ADDR 0x370
#define HW_ATL_FW2X_MPI_STATE2_ADDR 0x374
+#define HW_ATL_FW2X_CAP_PAUSE BIT(CAPS_HI_PAUSE)
+#define HW_ATL_FW2X_CAP_ASYM_PAUSE BIT(CAPS_HI_ASYMMETRIC_PAUSE)
#define HW_ATL_FW2X_CAP_SLEEP_PROXY BIT(CAPS_HI_SLEEP_PROXY)
#define HW_ATL_FW2X_CAP_WOL BIT(CAPS_HI_WOL)
@@ -451,6 +453,24 @@ static int aq_fw2x_set_flow_control(struct aq_hw_s *self)
return 0;
}
+static u32 aq_fw2x_get_flow_control(struct aq_hw_s *self, u32 *fcmode)
+{
+ u32 mpi_state = aq_hw_read_reg(self, HW_ATL_FW2X_MPI_STATE2_ADDR);
+
+ if (mpi_state & HW_ATL_FW2X_CAP_PAUSE)
+ if (mpi_state & HW_ATL_FW2X_CAP_ASYM_PAUSE)
+ *fcmode = AQ_NIC_FC_RX;
+ else
+ *fcmode = AQ_NIC_FC_RX | AQ_NIC_FC_TX;
+ else
+ if (mpi_state & HW_ATL_FW2X_CAP_ASYM_PAUSE)
+ *fcmode = AQ_NIC_FC_TX;
+ else
+ *fcmode = 0;
+
+ return 0;
+}
+
const struct aq_fw_ops aq_fw_2x_ops = {
.init = aq_fw2x_init,
.deinit = aq_fw2x_deinit,
@@ -465,4 +485,5 @@ const struct aq_fw_ops aq_fw_2x_ops = {
.set_eee_rate = aq_fw2x_set_eee_rate,
.get_eee_rate = aq_fw2x_get_eee_rate,
.set_flow_control = aq_fw2x_set_flow_control,
+ .get_flow_control = aq_fw2x_get_flow_control
};
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index b23a6e12d607..8d07ec668d5d 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -3838,7 +3838,8 @@ static int hns3_reset_notify_init_enet(struct hnae3_handle *handle)
/* Hardware table is only clear when pf resets */
if (!(handle->flags & HNAE3_SUPPORT_VF)) {
ret = hns3_restore_vlan(netdev);
- return ret;
+ if (ret)
+ return ret;
}
ret = hns3_restore_fd_rules(netdev);
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 7893beffcc71..c9d5d0a7fbf1 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -1545,7 +1545,7 @@ static netdev_tx_t ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev)
tx_crq.v1.sge_len = cpu_to_be32(skb->len);
tx_crq.v1.ioba = cpu_to_be64(data_dma_addr);
- if (adapter->vlan_header_insertion) {
+ if (adapter->vlan_header_insertion && skb_vlan_tag_present(skb)) {
tx_crq.v1.flags2 |= IBMVNIC_TX_VLAN_INSERT;
tx_crq.v1.vlan_id = cpu_to_be16(skb->vlan_tci);
}
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index bc71a21c1dc2..21c2688d6308 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -12249,6 +12249,8 @@ static int i40e_config_netdev(struct i40e_vsi *vsi)
NETIF_F_GSO_GRE |
NETIF_F_GSO_GRE_CSUM |
NETIF_F_GSO_PARTIAL |
+ NETIF_F_GSO_IPXIP4 |
+ NETIF_F_GSO_IPXIP6 |
NETIF_F_GSO_UDP_TUNNEL |
NETIF_F_GSO_UDP_TUNNEL_CSUM |
NETIF_F_SCTP_CRC |
@@ -12266,13 +12268,13 @@ static int i40e_config_netdev(struct i40e_vsi *vsi)
/* record features VLANs can make use of */
netdev->vlan_features |= hw_enc_features | NETIF_F_TSO_MANGLEID;
- if (!(pf->flags & I40E_FLAG_MFP_ENABLED))
- netdev->hw_features |= NETIF_F_NTUPLE | NETIF_F_HW_TC;
-
hw_features = hw_enc_features |
NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_CTAG_RX;
+ if (!(pf->flags & I40E_FLAG_MFP_ENABLED))
+ hw_features |= NETIF_F_NTUPLE | NETIF_F_HW_TC;
+
netdev->hw_features |= hw_features;
netdev->features |= hw_features | NETIF_F_HW_VLAN_CTAG_FILTER;
diff --git a/drivers/net/ethernet/intel/ice/ice.h b/drivers/net/ethernet/intel/ice/ice.h
index 4c4b5717a627..b8548370f1c7 100644
--- a/drivers/net/ethernet/intel/ice/ice.h
+++ b/drivers/net/ethernet/intel/ice/ice.h
@@ -76,6 +76,8 @@ extern const char ice_drv_ver[];
#define ICE_MIN_INTR_PER_VF (ICE_MIN_QS_PER_VF + 1)
#define ICE_DFLT_INTR_PER_VF (ICE_DFLT_QS_PER_VF + 1)
+#define ICE_MAX_RESET_WAIT 20
+
#define ICE_VSIQF_HKEY_ARRAY_SIZE ((VSIQF_HKEY_MAX_INDEX + 1) * 4)
#define ICE_DFLT_NETIF_M (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK)
@@ -189,7 +191,6 @@ struct ice_vsi {
u64 tx_linearize;
DECLARE_BITMAP(state, __ICE_STATE_NBITS);
DECLARE_BITMAP(flags, ICE_VSI_FLAG_NBITS);
- unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
unsigned int current_netdev_flags;
u32 tx_restart;
u32 tx_busy;
@@ -369,5 +370,6 @@ int ice_set_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
int ice_get_rss(struct ice_vsi *vsi, u8 *seed, u8 *lut, u16 lut_size);
void ice_fill_rss_lut(u8 *lut, u16 rss_table_size, u16 rss_size);
void ice_print_link_msg(struct ice_vsi *vsi, bool isup);
+void ice_napi_del(struct ice_vsi *vsi);
#endif /* _ICE_H_ */
diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c
index 8cd6a2401fd9..554fd707a6d6 100644
--- a/drivers/net/ethernet/intel/ice/ice_common.c
+++ b/drivers/net/ethernet/intel/ice/ice_common.c
@@ -811,6 +811,9 @@ void ice_deinit_hw(struct ice_hw *hw)
/* Attempt to disable FW logging before shutting down control queues */
ice_cfg_fw_log(hw, false);
ice_shutdown_all_ctrlq(hw);
+
+ /* Clear VSI contexts if not already cleared */
+ ice_clear_all_vsi_ctx(hw);
}
/**
diff --git a/drivers/net/ethernet/intel/ice/ice_ethtool.c b/drivers/net/ethernet/intel/ice/ice_ethtool.c
index 96923580f2a6..648acdb4c644 100644
--- a/drivers/net/ethernet/intel/ice/ice_ethtool.c
+++ b/drivers/net/ethernet/intel/ice/ice_ethtool.c
@@ -1517,10 +1517,15 @@ ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
}
if (!test_bit(__ICE_DOWN, pf->state)) {
- /* Give it a little more time to try to come back */
+ /* Give it a little more time to try to come back. If still
+ * down, restart autoneg link or reinitialize the interface.
+ */
msleep(75);
if (!test_bit(__ICE_DOWN, pf->state))
return ice_nway_reset(netdev);
+
+ ice_down(vsi);
+ ice_up(vsi);
}
return err;
diff --git a/drivers/net/ethernet/intel/ice/ice_hw_autogen.h b/drivers/net/ethernet/intel/ice/ice_hw_autogen.h
index 5fdea6ec7675..596b9fb1c510 100644
--- a/drivers/net/ethernet/intel/ice/ice_hw_autogen.h
+++ b/drivers/net/ethernet/intel/ice/ice_hw_autogen.h
@@ -242,6 +242,8 @@
#define GLNVM_ULD 0x000B6008
#define GLNVM_ULD_CORER_DONE_M BIT(3)
#define GLNVM_ULD_GLOBR_DONE_M BIT(4)
+#define GLPCI_CNF2 0x000BE004
+#define GLPCI_CNF2_CACHELINE_SIZE_M BIT(1)
#define PF_FUNC_RID 0x0009E880
#define PF_FUNC_RID_FUNC_NUM_S 0
#define PF_FUNC_RID_FUNC_NUM_M ICE_M(0x7, 0)
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c
index 5bacad01f0c9..1041fa2a7767 100644
--- a/drivers/net/ethernet/intel/ice/ice_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_lib.c
@@ -1997,7 +1997,7 @@ int ice_cfg_vlan_pruning(struct ice_vsi *vsi, bool ena)
status = ice_update_vsi(&vsi->back->hw, vsi->idx, ctxt, NULL);
if (status) {
netdev_err(vsi->netdev, "%sabling VLAN pruning on VSI handle: %d, VSI HW ID: %d failed, err = %d, aq_err = %d\n",
- ena ? "Ena" : "Dis", vsi->idx, vsi->vsi_num, status,
+ ena ? "En" : "Dis", vsi->idx, vsi->vsi_num, status,
vsi->back->hw.adminq.sq_last_status);
goto err_out;
}
@@ -2458,6 +2458,7 @@ int ice_vsi_release(struct ice_vsi *vsi)
* on this wq
*/
if (vsi->netdev && !ice_is_reset_in_progress(pf->state)) {
+ ice_napi_del(vsi);
unregister_netdev(vsi->netdev);
free_netdev(vsi->netdev);
vsi->netdev = NULL;
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 05993451147a..333312a1d595 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -1465,7 +1465,7 @@ skip_req_irq:
* ice_napi_del - Remove NAPI handler for the VSI
* @vsi: VSI for which NAPI handler is to be removed
*/
-static void ice_napi_del(struct ice_vsi *vsi)
+void ice_napi_del(struct ice_vsi *vsi)
{
int v_idx;
@@ -1622,7 +1622,6 @@ static int ice_vlan_rx_add_vid(struct net_device *netdev,
{
struct ice_netdev_priv *np = netdev_priv(netdev);
struct ice_vsi *vsi = np->vsi;
- int ret;
if (vid >= VLAN_N_VID) {
netdev_err(netdev, "VLAN id requested %d is out of range %d\n",
@@ -1635,7 +1634,8 @@ static int ice_vlan_rx_add_vid(struct net_device *netdev,
/* Enable VLAN pruning when VLAN 0 is added */
if (unlikely(!vid)) {
- ret = ice_cfg_vlan_pruning(vsi, true);
+ int ret = ice_cfg_vlan_pruning(vsi, true);
+
if (ret)
return ret;
}
@@ -1644,12 +1644,7 @@ static int ice_vlan_rx_add_vid(struct net_device *netdev,
* needed to continue allowing all untagged packets since VLAN prune
* list is applied to all packets by the switch
*/
- ret = ice_vsi_add_vlan(vsi, vid);
-
- if (!ret)
- set_bit(vid, vsi->active_vlans);
-
- return ret;
+ return ice_vsi_add_vlan(vsi, vid);
}
/**
@@ -1677,8 +1672,6 @@ static int ice_vlan_rx_kill_vid(struct net_device *netdev,
if (status)
return status;
- clear_bit(vid, vsi->active_vlans);
-
/* Disable VLAN pruning when VLAN 0 is removed */
if (unlikely(!vid))
status = ice_cfg_vlan_pruning(vsi, false);
@@ -2002,6 +1995,22 @@ static int ice_init_interrupt_scheme(struct ice_pf *pf)
}
/**
+ * ice_verify_cacheline_size - verify driver's assumption of 64 Byte cache lines
+ * @pf: pointer to the PF structure
+ *
+ * There is no error returned here because the driver should be able to handle
+ * 128 Byte cache lines, so we only print a warning in case issues are seen,
+ * specifically with Tx.
+ */
+static void ice_verify_cacheline_size(struct ice_pf *pf)
+{
+ if (rd32(&pf->hw, GLPCI_CNF2) & GLPCI_CNF2_CACHELINE_SIZE_M)
+ dev_warn(&pf->pdev->dev,
+ "%d Byte cache line assumption is invalid, driver may have Tx timeouts!\n",
+ ICE_CACHE_LINE_BYTES);
+}
+
+/**
* ice_probe - Device initialization routine
* @pdev: PCI device information struct
* @ent: entry in ice_pci_tbl
@@ -2151,6 +2160,8 @@ static int ice_probe(struct pci_dev *pdev,
/* since everything is good, start the service timer */
mod_timer(&pf->serv_tmr, round_jiffies(jiffies + pf->serv_tmr_period));
+ ice_verify_cacheline_size(pf);
+
return 0;
err_alloc_sw_unroll:
@@ -2182,6 +2193,12 @@ static void ice_remove(struct pci_dev *pdev)
if (!pf)
return;
+ for (i = 0; i < ICE_MAX_RESET_WAIT; i++) {
+ if (!ice_is_reset_in_progress(pf->state))
+ break;
+ msleep(100);
+ }
+
set_bit(__ICE_DOWN, pf->state);
ice_service_task_stop(pf);
@@ -2510,31 +2527,6 @@ static int ice_vsi_vlan_setup(struct ice_vsi *vsi)
}
/**
- * ice_restore_vlan - Reinstate VLANs when vsi/netdev comes back up
- * @vsi: the VSI being brought back up
- */
-static int ice_restore_vlan(struct ice_vsi *vsi)
-{
- int err;
- u16 vid;
-
- if (!vsi->netdev)
- return -EINVAL;
-
- err = ice_vsi_vlan_setup(vsi);
- if (err)
- return err;
-
- for_each_set_bit(vid, vsi->active_vlans, VLAN_N_VID) {
- err = ice_vlan_rx_add_vid(vsi->netdev, htons(ETH_P_8021Q), vid);
- if (err)
- break;
- }
-
- return err;
-}
-
-/**
* ice_vsi_cfg - Setup the VSI
* @vsi: the VSI being configured
*
@@ -2546,7 +2538,9 @@ static int ice_vsi_cfg(struct ice_vsi *vsi)
if (vsi->netdev) {
ice_set_rx_mode(vsi->netdev);
- err = ice_restore_vlan(vsi);
+
+ err = ice_vsi_vlan_setup(vsi);
+
if (err)
return err;
}
@@ -3296,7 +3290,7 @@ static void ice_rebuild(struct ice_pf *pf)
struct device *dev = &pf->pdev->dev;
struct ice_hw *hw = &pf->hw;
enum ice_status ret;
- int err;
+ int err, i;
if (test_bit(__ICE_DOWN, pf->state))
goto clear_recovery;
@@ -3370,6 +3364,22 @@ static void ice_rebuild(struct ice_pf *pf)
}
ice_reset_all_vfs(pf, true);
+
+ for (i = 0; i < pf->num_alloc_vsi; i++) {
+ bool link_up;
+
+ if (!pf->vsi[i] || pf->vsi[i]->type != ICE_VSI_PF)
+ continue;
+ ice_get_link_status(pf->vsi[i]->port_info, &link_up);
+ if (link_up) {
+ netif_carrier_on(pf->vsi[i]->netdev);
+ netif_tx_wake_all_queues(pf->vsi[i]->netdev);
+ } else {
+ netif_carrier_off(pf->vsi[i]->netdev);
+ netif_tx_stop_all_queues(pf->vsi[i]->netdev);
+ }
+ }
+
/* if we get here, reset flow is successful */
clear_bit(__ICE_RESET_FAILED, pf->state);
return;
diff --git a/drivers/net/ethernet/intel/ice/ice_switch.c b/drivers/net/ethernet/intel/ice/ice_switch.c
index 33403f39f1b3..40c9c6558956 100644
--- a/drivers/net/ethernet/intel/ice/ice_switch.c
+++ b/drivers/net/ethernet/intel/ice/ice_switch.c
@@ -348,6 +348,18 @@ static void ice_clear_vsi_ctx(struct ice_hw *hw, u16 vsi_handle)
}
/**
+ * ice_clear_all_vsi_ctx - clear all the VSI context entries
+ * @hw: pointer to the hw struct
+ */
+void ice_clear_all_vsi_ctx(struct ice_hw *hw)
+{
+ u16 i;
+
+ for (i = 0; i < ICE_MAX_VSI; i++)
+ ice_clear_vsi_ctx(hw, i);
+}
+
+/**
* ice_add_vsi - add VSI context to the hardware and VSI handle list
* @hw: pointer to the hw struct
* @vsi_handle: unique VSI handle provided by drivers
diff --git a/drivers/net/ethernet/intel/ice/ice_switch.h b/drivers/net/ethernet/intel/ice/ice_switch.h
index b88d96a1ef69..d5ef0bd58bf9 100644
--- a/drivers/net/ethernet/intel/ice/ice_switch.h
+++ b/drivers/net/ethernet/intel/ice/ice_switch.h
@@ -190,6 +190,8 @@ ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
struct ice_sq_cd *cd);
bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle);
struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle);
+void ice_clear_all_vsi_ctx(struct ice_hw *hw);
+/* Switch config */
enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw);
/* Switch/bridge related commands */
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.c b/drivers/net/ethernet/intel/ice/ice_txrx.c
index 5dae968d853e..fe5bbabbb41e 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx.c
+++ b/drivers/net/ethernet/intel/ice/ice_txrx.c
@@ -1520,7 +1520,7 @@ int ice_tso(struct ice_tx_buf *first, struct ice_tx_offload_params *off)
/* update gso_segs and bytecount */
first->gso_segs = skb_shinfo(skb)->gso_segs;
- first->bytecount = (first->gso_segs - 1) * off->header_len;
+ first->bytecount += (first->gso_segs - 1) * off->header_len;
cd_tso_len = skb->len - off->header_len;
cd_mss = skb_shinfo(skb)->gso_size;
@@ -1556,15 +1556,15 @@ int ice_tso(struct ice_tx_buf *first, struct ice_tx_offload_params *off)
* magnitude greater than our largest possible GSO size.
*
* This would then be implemented as:
- * return (((size >> 12) * 85) >> 8) + 1;
+ * return (((size >> 12) * 85) >> 8) + ICE_DESCS_FOR_SKB_DATA_PTR;
*
* Since multiplication and division are commutative, we can reorder
* operations into:
- * return ((size * 85) >> 20) + 1;
+ * return ((size * 85) >> 20) + ICE_DESCS_FOR_SKB_DATA_PTR;
*/
static unsigned int ice_txd_use_count(unsigned int size)
{
- return ((size * 85) >> 20) + 1;
+ return ((size * 85) >> 20) + ICE_DESCS_FOR_SKB_DATA_PTR;
}
/**
@@ -1706,7 +1706,8 @@ ice_xmit_frame_ring(struct sk_buff *skb, struct ice_ring *tx_ring)
* + 1 desc for context descriptor,
* otherwise try next time
*/
- if (ice_maybe_stop_tx(tx_ring, count + 4 + 1)) {
+ if (ice_maybe_stop_tx(tx_ring, count + ICE_DESCS_PER_CACHE_LINE +
+ ICE_DESCS_FOR_CTX_DESC)) {
tx_ring->tx_stats.tx_busy++;
return NETDEV_TX_BUSY;
}
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.h b/drivers/net/ethernet/intel/ice/ice_txrx.h
index 1d0f58bd389b..75d0eaf6c9dd 100644
--- a/drivers/net/ethernet/intel/ice/ice_txrx.h
+++ b/drivers/net/ethernet/intel/ice/ice_txrx.h
@@ -22,8 +22,21 @@
#define ICE_RX_BUF_WRITE 16 /* Must be power of 2 */
#define ICE_MAX_TXQ_PER_TXQG 128
-/* Tx Descriptors needed, worst case */
-#define DESC_NEEDED (MAX_SKB_FRAGS + 4)
+/* We are assuming that the cache line is always 64 Bytes here for ice.
+ * In order to make sure that is a correct assumption there is a check in probe
+ * to print a warning if the read from GLPCI_CNF2 tells us that the cache line
+ * size is 128 bytes. We do it this way because we do not want to read the
+ * GLPCI_CNF2 register or a variable containing the value on every pass through
+ * the Tx path.
+ */
+#define ICE_CACHE_LINE_BYTES 64
+#define ICE_DESCS_PER_CACHE_LINE (ICE_CACHE_LINE_BYTES / \
+ sizeof(struct ice_tx_desc))
+#define ICE_DESCS_FOR_CTX_DESC 1
+#define ICE_DESCS_FOR_SKB_DATA_PTR 1
+/* Tx descriptors needed, worst case */
+#define DESC_NEEDED (MAX_SKB_FRAGS + ICE_DESCS_FOR_CTX_DESC + \
+ ICE_DESCS_PER_CACHE_LINE + ICE_DESCS_FOR_SKB_DATA_PTR)
#define ICE_DESC_UNUSED(R) \
((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
(R)->next_to_clean - (R)->next_to_use - 1)
diff --git a/drivers/net/ethernet/intel/ice/ice_type.h b/drivers/net/ethernet/intel/ice/ice_type.h
index 12f9432abf11..f4dbc81c1988 100644
--- a/drivers/net/ethernet/intel/ice/ice_type.h
+++ b/drivers/net/ethernet/intel/ice/ice_type.h
@@ -92,12 +92,12 @@ struct ice_link_status {
u64 phy_type_low;
u16 max_frame_size;
u16 link_speed;
+ u16 req_speeds;
u8 lse_ena; /* Link Status Event notification */
u8 link_info;
u8 an_info;
u8 ext_info;
u8 pacing;
- u8 req_speeds;
/* Refer to #define from module_type[ICE_MODULE_TYPE_TOTAL_BYTE] of
* ice_aqc_get_phy_caps structure
*/
diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
index 45f10f8f01dc..e71065f9d391 100644
--- a/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
+++ b/drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c
@@ -348,7 +348,7 @@ static int ice_vsi_set_pvid(struct ice_vsi *vsi, u16 vid)
struct ice_vsi_ctx ctxt = { 0 };
enum ice_status status;
- ctxt.info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_TAGGED |
+ ctxt.info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_UNTAGGED |
ICE_AQ_VSI_PVLAN_INSERT_PVID |
ICE_AQ_VSI_VLAN_EMOD_STR;
ctxt.info.pvid = cpu_to_le16(vid);
@@ -2171,7 +2171,6 @@ static int ice_vc_process_vlan_msg(struct ice_vf *vf, u8 *msg, bool add_v)
if (!ice_vsi_add_vlan(vsi, vid)) {
vf->num_vlan++;
- set_bit(vid, vsi->active_vlans);
/* Enable VLAN pruning when VLAN 0 is added */
if (unlikely(!vid))
@@ -2190,7 +2189,6 @@ static int ice_vc_process_vlan_msg(struct ice_vf *vf, u8 *msg, bool add_v)
*/
if (!ice_vsi_kill_vlan(vsi, vid)) {
vf->num_vlan--;
- clear_bit(vid, vsi->active_vlans);
/* Disable VLAN pruning when removing VLAN 0 */
if (unlikely(!vid))
diff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c
index 8c1833a157d3..fd3071f55bd3 100644
--- a/drivers/net/ethernet/intel/igb/igb_ptp.c
+++ b/drivers/net/ethernet/intel/igb/igb_ptp.c
@@ -53,13 +53,15 @@
* 2^40 * 10^-9 / 60 = 18.3 minutes.
*
* SYSTIM is converted to real time using a timecounter. As
- * timecounter_cyc2time() allows old timestamps, the timecounter
- * needs to be updated at least once per half of the SYSTIM interval.
- * Scheduling of delayed work is not very accurate, so we aim for 8
- * minutes to be sure the actual interval is shorter than 9.16 minutes.
+ * timecounter_cyc2time() allows old timestamps, the timecounter needs
+ * to be updated at least once per half of the SYSTIM interval.
+ * Scheduling of delayed work is not very accurate, and also the NIC
+ * clock can be adjusted to run up to 6% faster and the system clock
+ * up to 10% slower, so we aim for 6 minutes to be sure the actual
+ * interval in the NIC time is shorter than 9.16 minutes.
*/
-#define IGB_SYSTIM_OVERFLOW_PERIOD (HZ * 60 * 8)
+#define IGB_SYSTIM_OVERFLOW_PERIOD (HZ * 60 * 6)
#define IGB_PTP_TX_TIMEOUT (HZ * 15)
#define INCPERIOD_82576 BIT(E1000_TIMINCA_16NS_SHIFT)
#define INCVALUE_82576_MASK GENMASK(E1000_TIMINCA_16NS_SHIFT - 1, 0)
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 5bfd349bf41a..3ba672e9e353 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -494,7 +494,7 @@ struct mvneta_port {
#if defined(__LITTLE_ENDIAN)
struct mvneta_tx_desc {
u32 command; /* Options used by HW for packet transmitting.*/
- u16 reserverd1; /* csum_l4 (for future use) */
+ u16 reserved1; /* csum_l4 (for future use) */
u16 data_size; /* Data size of transmitted packet in bytes */
u32 buf_phys_addr; /* Physical addr of transmitted buffer */
u32 reserved2; /* hw_cmd - (for future use, PMT) */
@@ -519,7 +519,7 @@ struct mvneta_rx_desc {
#else
struct mvneta_tx_desc {
u16 data_size; /* Data size of transmitted packet in bytes */
- u16 reserverd1; /* csum_l4 (for future use) */
+ u16 reserved1; /* csum_l4 (for future use) */
u32 command; /* Options used by HW for packet transmitting.*/
u32 reserved2; /* hw_cmd - (for future use, PMT) */
u32 buf_phys_addr; /* Physical addr of transmitted buffer */
diff --git a/drivers/net/ethernet/qlogic/qed/qed_fcoe.c b/drivers/net/ethernet/qlogic/qed/qed_fcoe.c
index cc1b373c0ace..46dc93d3b9b5 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_fcoe.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_fcoe.c
@@ -147,7 +147,8 @@ qed_sp_fcoe_func_start(struct qed_hwfn *p_hwfn,
"Cannot satisfy CQ amount. CQs requested %d, CQs available %d. Aborting function start\n",
fcoe_pf_params->num_cqs,
p_hwfn->hw_info.feat_num[QED_FCOE_CQ]);
- return -EINVAL;
+ rc = -EINVAL;
+ goto err;
}
p_data->mtu = cpu_to_le16(fcoe_pf_params->mtu);
@@ -156,14 +157,14 @@ qed_sp_fcoe_func_start(struct qed_hwfn *p_hwfn,
rc = qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_FCOE, &dummy_cid);
if (rc)
- return rc;
+ goto err;
cxt_info.iid = dummy_cid;
rc = qed_cxt_get_cid_info(p_hwfn, &cxt_info);
if (rc) {
DP_NOTICE(p_hwfn, "Cannot find context info for dummy cid=%d\n",
dummy_cid);
- return rc;
+ goto err;
}
p_cxt = cxt_info.p_cxt;
SET_FIELD(p_cxt->tstorm_ag_context.flags3,
@@ -240,6 +241,10 @@ qed_sp_fcoe_func_start(struct qed_hwfn *p_hwfn,
rc = qed_spq_post(p_hwfn, p_ent, NULL);
return rc;
+
+err:
+ qed_sp_destroy_request(p_hwfn, p_ent);
+ return rc;
}
static int
diff --git a/drivers/net/ethernet/qlogic/qed/qed_iscsi.c b/drivers/net/ethernet/qlogic/qed/qed_iscsi.c
index 1135387bd99d..4f8a685d1a55 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_iscsi.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_iscsi.c
@@ -200,6 +200,7 @@ qed_sp_iscsi_func_start(struct qed_hwfn *p_hwfn,
"Cannot satisfy CQ amount. Queues requested %d, CQs available %d. Aborting function start\n",
p_params->num_queues,
p_hwfn->hw_info.feat_num[QED_ISCSI_CQ]);
+ qed_sp_destroy_request(p_hwfn, p_ent);
return -EINVAL;
}
diff --git a/drivers/net/ethernet/qlogic/qed/qed_l2.c b/drivers/net/ethernet/qlogic/qed/qed_l2.c
index 82a1bd1f8a8c..67c02ea93906 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_l2.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_l2.c
@@ -740,8 +740,7 @@ int qed_sp_vport_update(struct qed_hwfn *p_hwfn,
rc = qed_sp_vport_update_rss(p_hwfn, p_ramrod, p_rss_params);
if (rc) {
- /* Return spq entry which is taken in qed_sp_init_request()*/
- qed_spq_return_entry(p_hwfn, p_ent);
+ qed_sp_destroy_request(p_hwfn, p_ent);
return rc;
}
@@ -1355,6 +1354,7 @@ qed_filter_ucast_common(struct qed_hwfn *p_hwfn,
DP_NOTICE(p_hwfn,
"%d is not supported yet\n",
p_filter_cmd->opcode);
+ qed_sp_destroy_request(p_hwfn, *pp_ent);
return -EINVAL;
}
@@ -2056,13 +2056,13 @@ qed_configure_rfs_ntuple_filter(struct qed_hwfn *p_hwfn,
} else {
rc = qed_fw_vport(p_hwfn, p_params->vport_id, &abs_vport_id);
if (rc)
- return rc;
+ goto err;
if (p_params->qid != QED_RFS_NTUPLE_QID_RSS) {
rc = qed_fw_l2_queue(p_hwfn, p_params->qid,
&abs_rx_q_id);
if (rc)
- return rc;
+ goto err;
p_ramrod->rx_qid_valid = 1;
p_ramrod->rx_qid = cpu_to_le16(abs_rx_q_id);
@@ -2083,6 +2083,10 @@ qed_configure_rfs_ntuple_filter(struct qed_hwfn *p_hwfn,
(u64)p_params->addr, p_params->length);
return qed_spq_post(p_hwfn, p_ent, NULL);
+
+err:
+ qed_sp_destroy_request(p_hwfn, p_ent);
+ return rc;
}
int qed_get_rxq_coalesce(struct qed_hwfn *p_hwfn,
diff --git a/drivers/net/ethernet/qlogic/qed/qed_rdma.c b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
index c71391b9c757..62113438c880 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_rdma.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_rdma.c
@@ -1514,6 +1514,7 @@ qed_rdma_register_tid(void *rdma_cxt,
default:
rc = -EINVAL;
DP_VERBOSE(p_hwfn, QED_MSG_RDMA, "rc = %d\n", rc);
+ qed_sp_destroy_request(p_hwfn, p_ent);
return rc;
}
SET_FIELD(p_ramrod->flags1,
diff --git a/drivers/net/ethernet/qlogic/qed/qed_roce.c b/drivers/net/ethernet/qlogic/qed/qed_roce.c
index f9167d1354bb..e49fada85410 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_roce.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_roce.c
@@ -745,6 +745,7 @@ static int qed_roce_sp_destroy_qp_responder(struct qed_hwfn *p_hwfn,
DP_NOTICE(p_hwfn,
"qed destroy responder failed: cannot allocate memory (ramrod). rc = %d\n",
rc);
+ qed_sp_destroy_request(p_hwfn, p_ent);
return rc;
}
diff --git a/drivers/net/ethernet/qlogic/qed/qed_sp.h b/drivers/net/ethernet/qlogic/qed/qed_sp.h
index e95431f6acd4..3157c0d99441 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_sp.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_sp.h
@@ -167,6 +167,9 @@ struct qed_spq_entry {
enum spq_mode comp_mode;
struct qed_spq_comp_cb comp_cb;
struct qed_spq_comp_done comp_done; /* SPQ_MODE_EBLOCK */
+
+ /* Posted entry for unlimited list entry in EBLOCK mode */
+ struct qed_spq_entry *post_ent;
};
struct qed_eq {
@@ -396,6 +399,17 @@ struct qed_sp_init_data {
struct qed_spq_comp_cb *p_comp_data;
};
+/**
+ * @brief Returns a SPQ entry to the pool / frees the entry if allocated.
+ * Should be called on in error flows after initializing the SPQ entry
+ * and before posting it.
+ *
+ * @param p_hwfn
+ * @param p_ent
+ */
+void qed_sp_destroy_request(struct qed_hwfn *p_hwfn,
+ struct qed_spq_entry *p_ent);
+
int qed_sp_init_request(struct qed_hwfn *p_hwfn,
struct qed_spq_entry **pp_ent,
u8 cmd,
diff --git a/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c b/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c
index 77b6248ad3b9..888274fa208b 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c
@@ -47,6 +47,19 @@
#include "qed_sp.h"
#include "qed_sriov.h"
+void qed_sp_destroy_request(struct qed_hwfn *p_hwfn,
+ struct qed_spq_entry *p_ent)
+{
+ /* qed_spq_get_entry() can either get an entry from the free_pool,
+ * or, if no entries are left, allocate a new entry and add it to
+ * the unlimited_pending list.
+ */
+ if (p_ent->queue == &p_hwfn->p_spq->unlimited_pending)
+ kfree(p_ent);
+ else
+ qed_spq_return_entry(p_hwfn, p_ent);
+}
+
int qed_sp_init_request(struct qed_hwfn *p_hwfn,
struct qed_spq_entry **pp_ent,
u8 cmd, u8 protocol, struct qed_sp_init_data *p_data)
@@ -80,7 +93,7 @@ int qed_sp_init_request(struct qed_hwfn *p_hwfn,
case QED_SPQ_MODE_BLOCK:
if (!p_data->p_comp_data)
- return -EINVAL;
+ goto err;
p_ent->comp_cb.cookie = p_data->p_comp_data->cookie;
break;
@@ -95,7 +108,7 @@ int qed_sp_init_request(struct qed_hwfn *p_hwfn,
default:
DP_NOTICE(p_hwfn, "Unknown SPQE completion mode %d\n",
p_ent->comp_mode);
- return -EINVAL;
+ goto err;
}
DP_VERBOSE(p_hwfn, QED_MSG_SPQ,
@@ -109,6 +122,11 @@ int qed_sp_init_request(struct qed_hwfn *p_hwfn,
memset(&p_ent->ramrod, 0, sizeof(p_ent->ramrod));
return 0;
+
+err:
+ qed_sp_destroy_request(p_hwfn, p_ent);
+
+ return -EINVAL;
}
static enum tunnel_clss qed_tunn_clss_to_fw_clss(u8 type)
diff --git a/drivers/net/ethernet/qlogic/qed/qed_spq.c b/drivers/net/ethernet/qlogic/qed/qed_spq.c
index c4a6274dd625..0a9c5bb0fa48 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_spq.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_spq.c
@@ -142,6 +142,7 @@ static int qed_spq_block(struct qed_hwfn *p_hwfn,
DP_INFO(p_hwfn, "Ramrod is stuck, requesting MCP drain\n");
rc = qed_mcp_drain(p_hwfn, p_ptt);
+ qed_ptt_release(p_hwfn, p_ptt);
if (rc) {
DP_NOTICE(p_hwfn, "MCP drain failed\n");
goto err;
@@ -150,18 +151,15 @@ static int qed_spq_block(struct qed_hwfn *p_hwfn,
/* Retry after drain */
rc = __qed_spq_block(p_hwfn, p_ent, p_fw_ret, true);
if (!rc)
- goto out;
+ return 0;
comp_done = (struct qed_spq_comp_done *)p_ent->comp_cb.cookie;
- if (comp_done->done == 1)
+ if (comp_done->done == 1) {
if (p_fw_ret)
*p_fw_ret = comp_done->fw_return_code;
-out:
- qed_ptt_release(p_hwfn, p_ptt);
- return 0;
-
+ return 0;
+ }
err:
- qed_ptt_release(p_hwfn, p_ptt);
DP_NOTICE(p_hwfn,
"Ramrod is stuck [CID %08x cmd %02x protocol %02x echo %04x]\n",
le32_to_cpu(p_ent->elem.hdr.cid),
@@ -685,6 +683,8 @@ static int qed_spq_add_entry(struct qed_hwfn *p_hwfn,
/* EBLOCK responsible to free the allocated p_ent */
if (p_ent->comp_mode != QED_SPQ_MODE_EBLOCK)
kfree(p_ent);
+ else
+ p_ent->post_ent = p_en2;
p_ent = p_en2;
}
@@ -767,6 +767,25 @@ static int qed_spq_pend_post(struct qed_hwfn *p_hwfn)
SPQ_HIGH_PRI_RESERVE_DEFAULT);
}
+/* Avoid overriding of SPQ entries when getting out-of-order completions, by
+ * marking the completions in a bitmap and increasing the chain consumer only
+ * for the first successive completed entries.
+ */
+static void qed_spq_comp_bmap_update(struct qed_hwfn *p_hwfn, __le16 echo)
+{
+ u16 pos = le16_to_cpu(echo) % SPQ_RING_SIZE;
+ struct qed_spq *p_spq = p_hwfn->p_spq;
+
+ __set_bit(pos, p_spq->p_comp_bitmap);
+ while (test_bit(p_spq->comp_bitmap_idx,
+ p_spq->p_comp_bitmap)) {
+ __clear_bit(p_spq->comp_bitmap_idx,
+ p_spq->p_comp_bitmap);
+ p_spq->comp_bitmap_idx++;
+ qed_chain_return_produced(&p_spq->chain);
+ }
+}
+
int qed_spq_post(struct qed_hwfn *p_hwfn,
struct qed_spq_entry *p_ent, u8 *fw_return_code)
{
@@ -824,11 +843,12 @@ int qed_spq_post(struct qed_hwfn *p_hwfn,
p_ent->queue == &p_spq->unlimited_pending);
if (p_ent->queue == &p_spq->unlimited_pending) {
- /* This is an allocated p_ent which does not need to
- * return to pool.
- */
+ struct qed_spq_entry *p_post_ent = p_ent->post_ent;
+
kfree(p_ent);
- return rc;
+
+ /* Return the entry which was actually posted */
+ p_ent = p_post_ent;
}
if (rc)
@@ -842,7 +862,7 @@ int qed_spq_post(struct qed_hwfn *p_hwfn,
spq_post_fail2:
spin_lock_bh(&p_spq->lock);
list_del(&p_ent->list);
- qed_chain_return_produced(&p_spq->chain);
+ qed_spq_comp_bmap_update(p_hwfn, p_ent->elem.hdr.echo);
spq_post_fail:
/* return to the free pool */
@@ -874,25 +894,8 @@ int qed_spq_completion(struct qed_hwfn *p_hwfn,
spin_lock_bh(&p_spq->lock);
list_for_each_entry_safe(p_ent, tmp, &p_spq->completion_pending, list) {
if (p_ent->elem.hdr.echo == echo) {
- u16 pos = le16_to_cpu(echo) % SPQ_RING_SIZE;
-
list_del(&p_ent->list);
-
- /* Avoid overriding of SPQ entries when getting
- * out-of-order completions, by marking the completions
- * in a bitmap and increasing the chain consumer only
- * for the first successive completed entries.
- */
- __set_bit(pos, p_spq->p_comp_bitmap);
-
- while (test_bit(p_spq->comp_bitmap_idx,
- p_spq->p_comp_bitmap)) {
- __clear_bit(p_spq->comp_bitmap_idx,
- p_spq->p_comp_bitmap);
- p_spq->comp_bitmap_idx++;
- qed_chain_return_produced(&p_spq->chain);
- }
-
+ qed_spq_comp_bmap_update(p_hwfn, echo);
p_spq->comp_count++;
found = p_ent;
break;
@@ -931,11 +934,9 @@ int qed_spq_completion(struct qed_hwfn *p_hwfn,
QED_MSG_SPQ,
"Got a completion without a callback function\n");
- if ((found->comp_mode != QED_SPQ_MODE_EBLOCK) ||
- (found->queue == &p_spq->unlimited_pending))
+ if (found->comp_mode != QED_SPQ_MODE_EBLOCK)
/* EBLOCK is responsible for returning its own entry into the
- * free list, unless it originally added the entry into the
- * unlimited pending list.
+ * free list.
*/
qed_spq_return_entry(p_hwfn, found);
diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c b/drivers/net/ethernet/qlogic/qed/qed_sriov.c
index 9b08a9d9e151..ca6290fa0f30 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_sriov.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c
@@ -101,6 +101,7 @@ static int qed_sp_vf_start(struct qed_hwfn *p_hwfn, struct qed_vf_info *p_vf)
default:
DP_NOTICE(p_hwfn, "Unknown VF personality %d\n",
p_hwfn->hw_info.personality);
+ qed_sp_destroy_request(p_hwfn, p_ent);
return -EINVAL;
}
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
index 9647578cbe6a..14f26bf3b388 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c
@@ -459,7 +459,7 @@ static int qlcnic_tx_pkt(struct qlcnic_adapter *adapter,
struct cmd_desc_type0 *first_desc, struct sk_buff *skb,
struct qlcnic_host_tx_ring *tx_ring)
{
- u8 l4proto, opcode = 0, hdr_len = 0;
+ u8 l4proto, opcode = 0, hdr_len = 0, tag_vlan = 0;
u16 flags = 0, vlan_tci = 0;
int copied, offset, copy_len, size;
struct cmd_desc_type0 *hwdesc;
@@ -472,14 +472,16 @@ static int qlcnic_tx_pkt(struct qlcnic_adapter *adapter,
flags = QLCNIC_FLAGS_VLAN_TAGGED;
vlan_tci = ntohs(vh->h_vlan_TCI);
protocol = ntohs(vh->h_vlan_encapsulated_proto);
+ tag_vlan = 1;
} else if (skb_vlan_tag_present(skb)) {
flags = QLCNIC_FLAGS_VLAN_OOB;
vlan_tci = skb_vlan_tag_get(skb);
+ tag_vlan = 1;
}
if (unlikely(adapter->tx_pvid)) {
- if (vlan_tci && !(adapter->flags & QLCNIC_TAGGING_ENABLED))
+ if (tag_vlan && !(adapter->flags & QLCNIC_TAGGING_ENABLED))
return -EIO;
- if (vlan_tci && (adapter->flags & QLCNIC_TAGGING_ENABLED))
+ if (tag_vlan && (adapter->flags & QLCNIC_TAGGING_ENABLED))
goto set_flags;
flags = QLCNIC_FLAGS_VLAN_OOB;
diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c
index 0afc3d335d56..d11c16aeb19a 100644
--- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c
+++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c
@@ -234,7 +234,7 @@ int rmnet_vnd_newlink(u8 id, struct net_device *rmnet_dev,
struct net_device *real_dev,
struct rmnet_endpoint *ep)
{
- struct rmnet_priv *priv;
+ struct rmnet_priv *priv = netdev_priv(rmnet_dev);
int rc;
if (ep->egress_dev)
@@ -247,6 +247,8 @@ int rmnet_vnd_newlink(u8 id, struct net_device *rmnet_dev,
rmnet_dev->hw_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM;
rmnet_dev->hw_features |= NETIF_F_SG;
+ priv->real_dev = real_dev;
+
rc = register_netdevice(rmnet_dev);
if (!rc) {
ep->egress_dev = rmnet_dev;
@@ -255,9 +257,7 @@ int rmnet_vnd_newlink(u8 id, struct net_device *rmnet_dev,
rmnet_dev->rtnl_link_ops = &rmnet_link_ops;
- priv = netdev_priv(rmnet_dev);
priv->mux_id = id;
- priv->real_dev = real_dev;
netdev_dbg(rmnet_dev, "rmnet dev created\n");
}
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h
index b1b305f8f414..272b9ca66314 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -365,7 +365,8 @@ struct dma_features {
/* GMAC TX FIFO is 8K, Rx FIFO is 16K */
#define BUF_SIZE_16KiB 16384
-#define BUF_SIZE_8KiB 8192
+/* RX Buffer size must be < 8191 and multiple of 4/8/16 bytes */
+#define BUF_SIZE_8KiB 8188
#define BUF_SIZE_4KiB 4096
#define BUF_SIZE_2KiB 2048
diff --git a/drivers/net/ethernet/stmicro/stmmac/descs_com.h b/drivers/net/ethernet/stmicro/stmmac/descs_com.h
index ca9d7e48034c..40d6356a7e73 100644
--- a/drivers/net/ethernet/stmicro/stmmac/descs_com.h
+++ b/drivers/net/ethernet/stmicro/stmmac/descs_com.h
@@ -31,7 +31,7 @@
/* Enhanced descriptors */
static inline void ehn_desc_rx_set_on_ring(struct dma_desc *p, int end)
{
- p->des1 |= cpu_to_le32(((BUF_SIZE_8KiB - 1)
+ p->des1 |= cpu_to_le32((BUF_SIZE_8KiB
<< ERDES1_BUFFER2_SIZE_SHIFT)
& ERDES1_BUFFER2_SIZE_MASK);
diff --git a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
index 77914c89d749..5ef91a790f9d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
+++ b/drivers/net/ethernet/stmicro/stmmac/enh_desc.c
@@ -262,7 +262,7 @@ static void enh_desc_init_rx_desc(struct dma_desc *p, int disable_rx_ic,
int mode, int end)
{
p->des0 |= cpu_to_le32(RDES0_OWN);
- p->des1 |= cpu_to_le32((BUF_SIZE_8KiB - 1) & ERDES1_BUFFER1_SIZE_MASK);
+ p->des1 |= cpu_to_le32(BUF_SIZE_8KiB & ERDES1_BUFFER1_SIZE_MASK);
if (mode == STMMAC_CHAIN_MODE)
ehn_desc_rx_set_on_chain(p);
diff --git a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
index abc3f85270cd..d8c5bc412219 100644
--- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
+++ b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
@@ -140,7 +140,7 @@ static void clean_desc3(void *priv_ptr, struct dma_desc *p)
static int set_16kib_bfsize(int mtu)
{
int ret = 0;
- if (unlikely(mtu >= BUF_SIZE_8KiB))
+ if (unlikely(mtu > BUF_SIZE_8KiB))
ret = BUF_SIZE_16KiB;
return ret;
}
diff --git a/drivers/net/fddi/defza.c b/drivers/net/fddi/defza.c
index 3b7f10a5f06a..c5cae8e74dc4 100644
--- a/drivers/net/fddi/defza.c
+++ b/drivers/net/fddi/defza.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: GPL-2.0+
/* FDDI network adapter driver for DEC FDDIcontroller 700/700-C devices.
*
* Copyright (c) 2018 Maciej W. Rozycki
@@ -56,7 +56,7 @@
#define DRV_VERSION "v.1.1.4"
#define DRV_RELDATE "Oct 6 2018"
-static char version[] =
+static const char version[] =
DRV_NAME ": " DRV_VERSION " " DRV_RELDATE " Maciej W. Rozycki\n";
MODULE_AUTHOR("Maciej W. Rozycki <macro@linux-mips.org>");
@@ -784,7 +784,7 @@ err_rx:
static void fza_tx_smt(struct net_device *dev)
{
struct fza_private *fp = netdev_priv(dev);
- struct fza_buffer_tx __iomem *smt_tx_ptr, *skb_data_ptr;
+ struct fza_buffer_tx __iomem *smt_tx_ptr;
int i, len;
u32 own;
@@ -799,6 +799,7 @@ static void fza_tx_smt(struct net_device *dev)
if (!netif_queue_stopped(dev)) {
if (dev_nit_active(dev)) {
+ struct fza_buffer_tx *skb_data_ptr;
struct sk_buff *skb;
/* Length must be a multiple of 4 as only word
diff --git a/drivers/net/fddi/defza.h b/drivers/net/fddi/defza.h
index b06acf32738e..93bda61be8e3 100644
--- a/drivers/net/fddi/defza.h
+++ b/drivers/net/fddi/defza.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+/* SPDX-License-Identifier: GPL-2.0+ */
/* FDDI network adapter driver for DEC FDDIcontroller 700/700-C devices.
*
* Copyright (c) 2018 Maciej W. Rozycki
@@ -235,6 +235,7 @@ struct fza_ring_cmd {
#define FZA_RING_CMD 0x200400 /* command ring address */
#define FZA_RING_CMD_SIZE 0x40 /* command descriptor ring
* size
+ */
/* Command constants. */
#define FZA_RING_CMD_MASK 0x7fffffff
#define FZA_RING_CMD_NOP 0x00000000 /* nop */
diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index c73e265cd907..aa73c5cc5f86 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -92,7 +92,7 @@ static int bcm54612e_config_init(struct phy_device *phydev)
return 0;
}
-static int bcm5481x_config(struct phy_device *phydev)
+static int bcm54xx_config_clock_delay(struct phy_device *phydev)
{
int rc, val;
@@ -429,7 +429,7 @@ static int bcm5481_config_aneg(struct phy_device *phydev)
ret = genphy_config_aneg(phydev);
/* Then we can set up the delay. */
- bcm5481x_config(phydev);
+ bcm54xx_config_clock_delay(phydev);
if (of_property_read_bool(np, "enet-phy-lane-swap")) {
/* Lane Swap - Undocumented register...magic! */
@@ -442,6 +442,19 @@ static int bcm5481_config_aneg(struct phy_device *phydev)
return ret;
}
+static int bcm54616s_config_aneg(struct phy_device *phydev)
+{
+ int ret;
+
+ /* Aneg firsly. */
+ ret = genphy_config_aneg(phydev);
+
+ /* Then we can set up the delay. */
+ bcm54xx_config_clock_delay(phydev);
+
+ return ret;
+}
+
static int brcm_phy_setbits(struct phy_device *phydev, int reg, int set)
{
int val;
@@ -630,6 +643,7 @@ static struct phy_driver broadcom_drivers[] = {
.name = "Broadcom BCM54616S",
.features = PHY_GBIT_FEATURES,
.config_init = bcm54xx_config_init,
+ .config_aneg = bcm54616s_config_aneg,
.ack_interrupt = bcm_phy_ack_intr,
.config_intr = bcm_phy_config_intr,
}, {
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 2d17f3b9bb16..f2d01cb6f958 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -1321,6 +1321,8 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
dev->net->ethtool_ops = &smsc95xx_ethtool_ops;
dev->net->flags |= IFF_MULTICAST;
dev->net->hard_header_len += SMSC95XX_TX_OVERHEAD_CSUM;
+ dev->net->min_mtu = ETH_MIN_MTU;
+ dev->net->max_mtu = ETH_DATA_LEN;
dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len;
pdata->dev = dev;
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 2e65be8b1387..559d567693b8 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1519,8 +1519,10 @@ static void __nvme_revalidate_disk(struct gendisk *disk, struct nvme_id_ns *id)
if (ns->ndev)
nvme_nvm_update_nvm_info(ns);
#ifdef CONFIG_NVME_MULTIPATH
- if (ns->head->disk)
+ if (ns->head->disk) {
nvme_update_disk_info(ns->head->disk, ns, id);
+ blk_queue_stack_limits(ns->head->disk->queue, ns->queue);
+ }
#endif
}
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 5e3cc8c59a39..9901afd804ce 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -285,6 +285,7 @@ int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl, struct nvme_ns_head *head)
blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
/* set to a default value for 512 until disk is validated */
blk_queue_logical_block_size(q, 512);
+ blk_set_stacking_limits(&q->limits);
/* we need to propagate up the VMC settings */
if (ctrl->vwc & NVME_CTRL_VWC_PRESENT)
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index f4efe289dc7b..a5f9bbce863f 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -420,7 +420,7 @@ static void nvmet_p2pmem_ns_add_p2p(struct nvmet_ctrl *ctrl,
struct pci_dev *p2p_dev;
int ret;
- if (!ctrl->p2p_client)
+ if (!ctrl->p2p_client || !ns->use_p2pmem)
return;
if (ns->p2p_dev) {
diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c
index ddce100be57a..3f7971d3706d 100644
--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -122,7 +122,6 @@ struct nvmet_rdma_device {
int inline_page_count;
};
-static struct workqueue_struct *nvmet_rdma_delete_wq;
static bool nvmet_rdma_use_srq;
module_param_named(use_srq, nvmet_rdma_use_srq, bool, 0444);
MODULE_PARM_DESC(use_srq, "Use shared receive queue.");
@@ -1274,12 +1273,12 @@ static int nvmet_rdma_queue_connect(struct rdma_cm_id *cm_id,
if (queue->host_qid == 0) {
/* Let inflight controller teardown complete */
- flush_workqueue(nvmet_rdma_delete_wq);
+ flush_scheduled_work();
}
ret = nvmet_rdma_cm_accept(cm_id, queue, &event->param.conn);
if (ret) {
- queue_work(nvmet_rdma_delete_wq, &queue->release_work);
+ schedule_work(&queue->release_work);
/* Destroying rdma_cm id is not needed here */
return 0;
}
@@ -1344,7 +1343,7 @@ static void __nvmet_rdma_queue_disconnect(struct nvmet_rdma_queue *queue)
if (disconnect) {
rdma_disconnect(queue->cm_id);
- queue_work(nvmet_rdma_delete_wq, &queue->release_work);
+ schedule_work(&queue->release_work);
}
}
@@ -1374,7 +1373,7 @@ static void nvmet_rdma_queue_connect_fail(struct rdma_cm_id *cm_id,
mutex_unlock(&nvmet_rdma_queue_mutex);
pr_err("failed to connect queue %d\n", queue->idx);
- queue_work(nvmet_rdma_delete_wq, &queue->release_work);
+ schedule_work(&queue->release_work);
}
/**
@@ -1656,17 +1655,8 @@ static int __init nvmet_rdma_init(void)
if (ret)
goto err_ib_client;
- nvmet_rdma_delete_wq = alloc_workqueue("nvmet-rdma-delete-wq",
- WQ_UNBOUND | WQ_MEM_RECLAIM | WQ_SYSFS, 0);
- if (!nvmet_rdma_delete_wq) {
- ret = -ENOMEM;
- goto err_unreg_transport;
- }
-
return 0;
-err_unreg_transport:
- nvmet_unregister_transport(&nvmet_rdma_ops);
err_ib_client:
ib_unregister_client(&nvmet_rdma_ib_client);
return ret;
@@ -1674,7 +1664,6 @@ err_ib_client:
static void __exit nvmet_rdma_exit(void)
{
- destroy_workqueue(nvmet_rdma_delete_wq);
nvmet_unregister_transport(&nvmet_rdma_ops);
ib_unregister_client(&nvmet_rdma_ib_client);
WARN_ON_ONCE(!list_empty(&nvmet_rdma_queue_list));
diff --git a/drivers/of/device.c b/drivers/of/device.c
index 0f27fad9fe94..5592437bb3d1 100644
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -149,9 +149,11 @@ int of_dma_configure(struct device *dev, struct device_node *np, bool force_dma)
* set by the driver.
*/
mask = DMA_BIT_MASK(ilog2(dma_addr + size - 1) + 1);
- dev->bus_dma_mask = mask;
dev->coherent_dma_mask &= mask;
*dev->dma_mask &= mask;
+ /* ...but only set bus mask if we found valid dma-ranges earlier */
+ if (!ret)
+ dev->bus_dma_mask = mask;
coherent = of_dma_is_coherent(np);
dev_dbg(dev, "device is%sdma coherent\n",
diff --git a/drivers/of/of_numa.c b/drivers/of/of_numa.c
index 35c64a4295e0..fe6b13608e51 100644
--- a/drivers/of/of_numa.c
+++ b/drivers/of/of_numa.c
@@ -104,9 +104,14 @@ static int __init of_numa_parse_distance_map_v1(struct device_node *map)
distance = of_read_number(matrix, 1);
matrix++;
+ if ((nodea == nodeb && distance != LOCAL_DISTANCE) ||
+ (nodea != nodeb && distance <= LOCAL_DISTANCE)) {
+ pr_err("Invalid distance[node%d -> node%d] = %d\n",
+ nodea, nodeb, distance);
+ return -EINVAL;
+ }
+
numa_set_distance(nodea, nodeb, distance);
- pr_debug("distance[node%d -> node%d] = %d\n",
- nodea, nodeb, distance);
/* Set default distance of node B->A same as A->B */
if (nodeb > nodea)
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index ff6ba6d86cd8..cc56cb3b3eca 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1614,10 +1614,10 @@ static void sci_request_dma(struct uart_port *port)
hrtimer_init(&s->rx_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
s->rx_timer.function = rx_timer_fn;
+ s->chan_rx_saved = s->chan_rx = chan;
+
if (port->type == PORT_SCIFA || port->type == PORT_SCIFB)
sci_submit_rx(s);
-
- s->chan_rx_saved = s->chan_rx = chan;
}
}
@@ -3102,6 +3102,7 @@ static struct uart_driver sci_uart_driver = {
static int sci_remove(struct platform_device *dev)
{
struct sci_port *port = platform_get_drvdata(dev);
+ unsigned int type = port->port.type; /* uart_remove_... clears it */
sci_ports_in_use &= ~BIT(port->port.line);
uart_remove_one_port(&sci_uart_driver, &port->port);
@@ -3112,8 +3113,7 @@ static int sci_remove(struct platform_device *dev)
sysfs_remove_file(&dev->dev.kobj,
&dev_attr_rx_fifo_trigger.attr);
}
- if (port->port.type == PORT_SCIFA || port->port.type == PORT_SCIFB ||
- port->port.type == PORT_HSCIF) {
+ if (type == PORT_SCIFA || type == PORT_SCIFB || type == PORT_HSCIF) {
sysfs_remove_file(&dev->dev.kobj,
&dev_attr_rx_fifo_timeout.attr);
}
diff --git a/drivers/tty/tty_baudrate.c b/drivers/tty/tty_baudrate.c
index 7576ceace571..f438eaa68246 100644
--- a/drivers/tty/tty_baudrate.c
+++ b/drivers/tty/tty_baudrate.c
@@ -77,7 +77,7 @@ speed_t tty_termios_baud_rate(struct ktermios *termios)
else
cbaud += 15;
}
- return baud_table[cbaud];
+ return cbaud >= n_baud_table ? 0 : baud_table[cbaud];
}
EXPORT_SYMBOL(tty_termios_baud_rate);
@@ -113,7 +113,7 @@ speed_t tty_termios_input_baud_rate(struct ktermios *termios)
else
cbaud += 15;
}
- return baud_table[cbaud];
+ return cbaud >= n_baud_table ? 0 : baud_table[cbaud];
#else /* IBSHIFT */
return tty_termios_baud_rate(termios);
#endif /* IBSHIFT */
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 55370e651db3..41ec8e5010f3 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1548,7 +1548,7 @@ static void csi_K(struct vc_data *vc, int vpar)
scr_memsetw(start + offset, vc->vc_video_erase_char, 2 * count);
vc->vc_need_wrap = 0;
if (con_should_update(vc))
- do_update_region(vc, (unsigned long) start, count);
+ do_update_region(vc, (unsigned long)(start + offset), count);
}
static void csi_X(struct vc_data *vc, int vpar) /* erase the following vpar positions */
diff --git a/drivers/usb/typec/ucsi/Kconfig b/drivers/usb/typec/ucsi/Kconfig
index e36d6c73c4a4..78118883f96c 100644
--- a/drivers/usb/typec/ucsi/Kconfig
+++ b/drivers/usb/typec/ucsi/Kconfig
@@ -23,6 +23,16 @@ config TYPEC_UCSI
if TYPEC_UCSI
+config UCSI_CCG
+ tristate "UCSI Interface Driver for Cypress CCGx"
+ depends on I2C
+ help
+ This driver enables UCSI support on platforms that expose a
+ Cypress CCGx Type-C controller over I2C interface.
+
+ To compile the driver as a module, choose M here: the module will be
+ called ucsi_ccg.
+
config UCSI_ACPI
tristate "UCSI ACPI Interface Driver"
depends on ACPI
diff --git a/drivers/usb/typec/ucsi/Makefile b/drivers/usb/typec/ucsi/Makefile
index 7afbea512207..2f4900b26210 100644
--- a/drivers/usb/typec/ucsi/Makefile
+++ b/drivers/usb/typec/ucsi/Makefile
@@ -8,3 +8,5 @@ typec_ucsi-y := ucsi.o
typec_ucsi-$(CONFIG_TRACING) += trace.o
obj-$(CONFIG_UCSI_ACPI) += ucsi_acpi.o
+
+obj-$(CONFIG_UCSI_CCG) += ucsi_ccg.o
diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c
new file mode 100644
index 000000000000..de8a43bdff68
--- /dev/null
+++ b/drivers/usb/typec/ucsi/ucsi_ccg.c
@@ -0,0 +1,307 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * UCSI driver for Cypress CCGx Type-C controller
+ *
+ * Copyright (C) 2017-2018 NVIDIA Corporation. All rights reserved.
+ * Author: Ajay Gupta <ajayg@nvidia.com>
+ *
+ * Some code borrowed from drivers/usb/typec/ucsi/ucsi_acpi.c
+ */
+#include <linux/acpi.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/platform_device.h>
+
+#include <asm/unaligned.h>
+#include "ucsi.h"
+
+struct ucsi_ccg {
+ struct device *dev;
+ struct ucsi *ucsi;
+ struct ucsi_ppm ppm;
+ struct i2c_client *client;
+};
+
+#define CCGX_RAB_INTR_REG 0x06
+#define CCGX_RAB_UCSI_CONTROL 0x39
+#define CCGX_RAB_UCSI_CONTROL_START BIT(0)
+#define CCGX_RAB_UCSI_CONTROL_STOP BIT(1)
+#define CCGX_RAB_UCSI_DATA_BLOCK(offset) (0xf000 | ((offset) & 0xff))
+
+static int ccg_read(struct ucsi_ccg *uc, u16 rab, u8 *data, u32 len)
+{
+ struct i2c_client *client = uc->client;
+ const struct i2c_adapter_quirks *quirks = client->adapter->quirks;
+ unsigned char buf[2];
+ struct i2c_msg msgs[] = {
+ {
+ .addr = client->addr,
+ .flags = 0x0,
+ .len = sizeof(buf),
+ .buf = buf,
+ },
+ {
+ .addr = client->addr,
+ .flags = I2C_M_RD,
+ .buf = data,
+ },
+ };
+ u32 rlen, rem_len = len, max_read_len = len;
+ int status;
+
+ /* check any max_read_len limitation on i2c adapter */
+ if (quirks && quirks->max_read_len)
+ max_read_len = quirks->max_read_len;
+
+ while (rem_len > 0) {
+ msgs[1].buf = &data[len - rem_len];
+ rlen = min_t(u16, rem_len, max_read_len);
+ msgs[1].len = rlen;
+ put_unaligned_le16(rab, buf);
+ status = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
+ if (status < 0) {
+ dev_err(uc->dev, "i2c_transfer failed %d\n", status);
+ return status;
+ }
+ rab += rlen;
+ rem_len -= rlen;
+ }
+
+ return 0;
+}
+
+static int ccg_write(struct ucsi_ccg *uc, u16 rab, u8 *data, u32 len)
+{
+ struct i2c_client *client = uc->client;
+ unsigned char *buf;
+ struct i2c_msg msgs[] = {
+ {
+ .addr = client->addr,
+ .flags = 0x0,
+ }
+ };
+ int status;
+
+ buf = kzalloc(len + sizeof(rab), GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ put_unaligned_le16(rab, buf);
+ memcpy(buf + sizeof(rab), data, len);
+
+ msgs[0].len = len + sizeof(rab);
+ msgs[0].buf = buf;
+
+ status = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
+ if (status < 0) {
+ dev_err(uc->dev, "i2c_transfer failed %d\n", status);
+ kfree(buf);
+ return status;
+ }
+
+ kfree(buf);
+ return 0;
+}
+
+static int ucsi_ccg_init(struct ucsi_ccg *uc)
+{
+ unsigned int count = 10;
+ u8 data;
+ int status;
+
+ data = CCGX_RAB_UCSI_CONTROL_STOP;
+ status = ccg_write(uc, CCGX_RAB_UCSI_CONTROL, &data, sizeof(data));
+ if (status < 0)
+ return status;
+
+ data = CCGX_RAB_UCSI_CONTROL_START;
+ status = ccg_write(uc, CCGX_RAB_UCSI_CONTROL, &data, sizeof(data));
+ if (status < 0)
+ return status;
+
+ /*
+ * Flush CCGx RESPONSE queue by acking interrupts. Above ucsi control
+ * register write will push response which must be cleared.
+ */
+ do {
+ status = ccg_read(uc, CCGX_RAB_INTR_REG, &data, sizeof(data));
+ if (status < 0)
+ return status;
+
+ if (!data)
+ return 0;
+
+ status = ccg_write(uc, CCGX_RAB_INTR_REG, &data, sizeof(data));
+ if (status < 0)
+ return status;
+
+ usleep_range(10000, 11000);
+ } while (--count);
+
+ return -ETIMEDOUT;
+}
+
+static int ucsi_ccg_send_data(struct ucsi_ccg *uc)
+{
+ u8 *ppm = (u8 *)uc->ppm.data;
+ int status;
+ u16 rab;
+
+ rab = CCGX_RAB_UCSI_DATA_BLOCK(offsetof(struct ucsi_data, message_out));
+ status = ccg_write(uc, rab, ppm +
+ offsetof(struct ucsi_data, message_out),
+ sizeof(uc->ppm.data->message_out));
+ if (status < 0)
+ return status;
+
+ rab = CCGX_RAB_UCSI_DATA_BLOCK(offsetof(struct ucsi_data, ctrl));
+ return ccg_write(uc, rab, ppm + offsetof(struct ucsi_data, ctrl),
+ sizeof(uc->ppm.data->ctrl));
+}
+
+static int ucsi_ccg_recv_data(struct ucsi_ccg *uc)
+{
+ u8 *ppm = (u8 *)uc->ppm.data;
+ int status;
+ u16 rab;
+
+ rab = CCGX_RAB_UCSI_DATA_BLOCK(offsetof(struct ucsi_data, cci));
+ status = ccg_read(uc, rab, ppm + offsetof(struct ucsi_data, cci),
+ sizeof(uc->ppm.data->cci));
+ if (status < 0)
+ return status;
+
+ rab = CCGX_RAB_UCSI_DATA_BLOCK(offsetof(struct ucsi_data, message_in));
+ return ccg_read(uc, rab, ppm + offsetof(struct ucsi_data, message_in),
+ sizeof(uc->ppm.data->message_in));
+}
+
+static int ucsi_ccg_ack_interrupt(struct ucsi_ccg *uc)
+{
+ int status;
+ unsigned char data;
+
+ status = ccg_read(uc, CCGX_RAB_INTR_REG, &data, sizeof(data));
+ if (status < 0)
+ return status;
+
+ return ccg_write(uc, CCGX_RAB_INTR_REG, &data, sizeof(data));
+}
+
+static int ucsi_ccg_sync(struct ucsi_ppm *ppm)
+{
+ struct ucsi_ccg *uc = container_of(ppm, struct ucsi_ccg, ppm);
+ int status;
+
+ status = ucsi_ccg_recv_data(uc);
+ if (status < 0)
+ return status;
+
+ /* ack interrupt to allow next command to run */
+ return ucsi_ccg_ack_interrupt(uc);
+}
+
+static int ucsi_ccg_cmd(struct ucsi_ppm *ppm, struct ucsi_control *ctrl)
+{
+ struct ucsi_ccg *uc = container_of(ppm, struct ucsi_ccg, ppm);
+
+ ppm->data->ctrl.raw_cmd = ctrl->raw_cmd;
+ return ucsi_ccg_send_data(uc);
+}
+
+static irqreturn_t ccg_irq_handler(int irq, void *data)
+{
+ struct ucsi_ccg *uc = data;
+
+ ucsi_notify(uc->ucsi);
+
+ return IRQ_HANDLED;
+}
+
+static int ucsi_ccg_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct device *dev = &client->dev;
+ struct ucsi_ccg *uc;
+ int status;
+ u16 rab;
+
+ uc = devm_kzalloc(dev, sizeof(*uc), GFP_KERNEL);
+ if (!uc)
+ return -ENOMEM;
+
+ uc->ppm.data = devm_kzalloc(dev, sizeof(struct ucsi_data), GFP_KERNEL);
+ if (!uc->ppm.data)
+ return -ENOMEM;
+
+ uc->ppm.cmd = ucsi_ccg_cmd;
+ uc->ppm.sync = ucsi_ccg_sync;
+ uc->dev = dev;
+ uc->client = client;
+
+ /* reset ccg device and initialize ucsi */
+ status = ucsi_ccg_init(uc);
+ if (status < 0) {
+ dev_err(uc->dev, "ucsi_ccg_init failed - %d\n", status);
+ return status;
+ }
+
+ status = devm_request_threaded_irq(dev, client->irq, NULL,
+ ccg_irq_handler,
+ IRQF_ONESHOT | IRQF_TRIGGER_HIGH,
+ dev_name(dev), uc);
+ if (status < 0) {
+ dev_err(uc->dev, "request_threaded_irq failed - %d\n", status);
+ return status;
+ }
+
+ uc->ucsi = ucsi_register_ppm(dev, &uc->ppm);
+ if (IS_ERR(uc->ucsi)) {
+ dev_err(uc->dev, "ucsi_register_ppm failed\n");
+ return PTR_ERR(uc->ucsi);
+ }
+
+ rab = CCGX_RAB_UCSI_DATA_BLOCK(offsetof(struct ucsi_data, version));
+ status = ccg_read(uc, rab, (u8 *)(uc->ppm.data) +
+ offsetof(struct ucsi_data, version),
+ sizeof(uc->ppm.data->version));
+ if (status < 0) {
+ ucsi_unregister_ppm(uc->ucsi);
+ return status;
+ }
+
+ i2c_set_clientdata(client, uc);
+ return 0;
+}
+
+static int ucsi_ccg_remove(struct i2c_client *client)
+{
+ struct ucsi_ccg *uc = i2c_get_clientdata(client);
+
+ ucsi_unregister_ppm(uc->ucsi);
+
+ return 0;
+}
+
+static const struct i2c_device_id ucsi_ccg_device_id[] = {
+ {"ccgx-ucsi", 0},
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, ucsi_ccg_device_id);
+
+static struct i2c_driver ucsi_ccg_driver = {
+ .driver = {
+ .name = "ucsi_ccg",
+ },
+ .probe = ucsi_ccg_probe,
+ .remove = ucsi_ccg_remove,
+ .id_table = ucsi_ccg_device_id,
+};
+
+module_i2c_driver(ucsi_ccg_driver);
+
+MODULE_AUTHOR("Ajay Gupta <ajayg@nvidia.com>");
+MODULE_DESCRIPTION("UCSI driver for Cypress CCGx Type-C controller");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index f15f89df1f36..7ea6fb6a2e5d 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -914,7 +914,7 @@ int gnttab_dma_free_pages(struct gnttab_dma_alloc_args *args)
ret = xenmem_reservation_increase(args->nr_pages, args->frames);
if (ret != args->nr_pages) {
- pr_debug("Failed to decrease reservation for DMA buffer\n");
+ pr_debug("Failed to increase reservation for DMA buffer\n");
ret = -EFAULT;
} else {
ret = 0;
diff --git a/drivers/xen/privcmd-buf.c b/drivers/xen/privcmd-buf.c
index df1ed37c3269..de01a6d0059d 100644
--- a/drivers/xen/privcmd-buf.c
+++ b/drivers/xen/privcmd-buf.c
@@ -21,15 +21,9 @@
MODULE_LICENSE("GPL");
-static unsigned int limit = 64;
-module_param(limit, uint, 0644);
-MODULE_PARM_DESC(limit, "Maximum number of pages that may be allocated by "
- "the privcmd-buf device per open file");
-
struct privcmd_buf_private {
struct mutex lock;
struct list_head list;
- unsigned int allocated;
};
struct privcmd_buf_vma_private {
@@ -60,13 +54,10 @@ static void privcmd_buf_vmapriv_free(struct privcmd_buf_vma_private *vma_priv)
{
unsigned int i;
- vma_priv->file_priv->allocated -= vma_priv->n_pages;
-
list_del(&vma_priv->list);
for (i = 0; i < vma_priv->n_pages; i++)
- if (vma_priv->pages[i])
- __free_page(vma_priv->pages[i]);
+ __free_page(vma_priv->pages[i]);
kfree(vma_priv);
}
@@ -146,8 +137,7 @@ static int privcmd_buf_mmap(struct file *file, struct vm_area_struct *vma)
unsigned int i;
int ret = 0;
- if (!(vma->vm_flags & VM_SHARED) || count > limit ||
- file_priv->allocated + count > limit)
+ if (!(vma->vm_flags & VM_SHARED))
return -EINVAL;
vma_priv = kzalloc(sizeof(*vma_priv) + count * sizeof(void *),
@@ -155,19 +145,15 @@ static int privcmd_buf_mmap(struct file *file, struct vm_area_struct *vma)
if (!vma_priv)
return -ENOMEM;
- vma_priv->n_pages = count;
- count = 0;
- for (i = 0; i < vma_priv->n_pages; i++) {
+ for (i = 0; i < count; i++) {
vma_priv->pages[i] = alloc_page(GFP_KERNEL | __GFP_ZERO);
if (!vma_priv->pages[i])
break;
- count++;
+ vma_priv->n_pages++;
}
mutex_lock(&file_priv->lock);
- file_priv->allocated += count;
-
vma_priv->file_priv = file_priv;
vma_priv->users = 1;
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 80953528572d..68f322f600a0 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -3163,6 +3163,9 @@ void btrfs_destroy_inode(struct inode *inode);
int btrfs_drop_inode(struct inode *inode);
int __init btrfs_init_cachep(void);
void __cold btrfs_destroy_cachep(void);
+struct inode *btrfs_iget_path(struct super_block *s, struct btrfs_key *location,
+ struct btrfs_root *root, int *new,
+ struct btrfs_path *path);
struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
struct btrfs_root *root, int *was_new);
struct extent_map *btrfs_get_extent(struct btrfs_inode *inode,
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index b0ab41da91d1..3f0b6d1936e8 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1664,9 +1664,8 @@ static int cleaner_kthread(void *arg)
struct btrfs_root *root = arg;
struct btrfs_fs_info *fs_info = root->fs_info;
int again;
- struct btrfs_trans_handle *trans;
- do {
+ while (1) {
again = 0;
/* Make the cleaner go to sleep early. */
@@ -1715,42 +1714,16 @@ static int cleaner_kthread(void *arg)
*/
btrfs_delete_unused_bgs(fs_info);
sleep:
+ if (kthread_should_park())
+ kthread_parkme();
+ if (kthread_should_stop())
+ return 0;
if (!again) {
set_current_state(TASK_INTERRUPTIBLE);
- if (!kthread_should_stop())
- schedule();
+ schedule();
__set_current_state(TASK_RUNNING);
}
- } while (!kthread_should_stop());
-
- /*
- * Transaction kthread is stopped before us and wakes us up.
- * However we might have started a new transaction and COWed some
- * tree blocks when deleting unused block groups for example. So
- * make sure we commit the transaction we started to have a clean
- * shutdown when evicting the btree inode - if it has dirty pages
- * when we do the final iput() on it, eviction will trigger a
- * writeback for it which will fail with null pointer dereferences
- * since work queues and other resources were already released and
- * destroyed by the time the iput/eviction/writeback is made.
- */
- trans = btrfs_attach_transaction(root);
- if (IS_ERR(trans)) {
- if (PTR_ERR(trans) != -ENOENT)
- btrfs_err(fs_info,
- "cleaner transaction attach returned %ld",
- PTR_ERR(trans));
- } else {
- int ret;
-
- ret = btrfs_commit_transaction(trans);
- if (ret)
- btrfs_err(fs_info,
- "cleaner open transaction commit returned %d",
- ret);
}
-
- return 0;
}
static int transaction_kthread(void *arg)
@@ -3931,6 +3904,13 @@ void close_ctree(struct btrfs_fs_info *fs_info)
int ret;
set_bit(BTRFS_FS_CLOSING_START, &fs_info->flags);
+ /*
+ * We don't want the cleaner to start new transactions, add more delayed
+ * iputs, etc. while we're closing. We can't use kthread_stop() yet
+ * because that frees the task_struct, and the transaction kthread might
+ * still try to wake up the cleaner.
+ */
+ kthread_park(fs_info->cleaner_kthread);
/* wait for the qgroup rescan worker to stop */
btrfs_qgroup_wait_for_completion(fs_info, false);
@@ -3958,9 +3938,8 @@ void close_ctree(struct btrfs_fs_info *fs_info)
if (!sb_rdonly(fs_info->sb)) {
/*
- * If the cleaner thread is stopped and there are
- * block groups queued for removal, the deletion will be
- * skipped when we quit the cleaner thread.
+ * The cleaner kthread is stopped, so do one final pass over
+ * unused block groups.
*/
btrfs_delete_unused_bgs(fs_info);
@@ -4359,13 +4338,23 @@ static int btrfs_destroy_pinned_extent(struct btrfs_fs_info *fs_info,
unpin = pinned_extents;
again:
while (1) {
+ /*
+ * The btrfs_finish_extent_commit() may get the same range as
+ * ours between find_first_extent_bit and clear_extent_dirty.
+ * Hence, hold the unused_bg_unpin_mutex to avoid double unpin
+ * the same extent range.
+ */
+ mutex_lock(&fs_info->unused_bg_unpin_mutex);
ret = find_first_extent_bit(unpin, 0, &start, &end,
EXTENT_DIRTY, NULL);
- if (ret)
+ if (ret) {
+ mutex_unlock(&fs_info->unused_bg_unpin_mutex);
break;
+ }
clear_extent_dirty(unpin, start, end);
btrfs_error_unpin_extent_range(fs_info, start, end);
+ mutex_unlock(&fs_info->unused_bg_unpin_mutex);
cond_resched();
}
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 4ba0aedc878b..74aa552f4793 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -75,7 +75,8 @@ static struct inode *__lookup_free_space_inode(struct btrfs_root *root,
* sure NOFS is set to keep us from deadlocking.
*/
nofs_flag = memalloc_nofs_save();
- inode = btrfs_iget(fs_info->sb, &location, root, NULL);
+ inode = btrfs_iget_path(fs_info->sb, &location, root, NULL, path);
+ btrfs_release_path(path);
memalloc_nofs_restore(nofs_flag);
if (IS_ERR(inode))
return inode;
@@ -838,6 +839,25 @@ int load_free_space_cache(struct btrfs_fs_info *fs_info,
path->search_commit_root = 1;
path->skip_locking = 1;
+ /*
+ * We must pass a path with search_commit_root set to btrfs_iget in
+ * order to avoid a deadlock when allocating extents for the tree root.
+ *
+ * When we are COWing an extent buffer from the tree root, when looking
+ * for a free extent, at extent-tree.c:find_free_extent(), we can find
+ * block group without its free space cache loaded. When we find one
+ * we must load its space cache which requires reading its free space
+ * cache's inode item from the root tree. If this inode item is located
+ * in the same leaf that we started COWing before, then we end up in
+ * deadlock on the extent buffer (trying to read lock it when we
+ * previously write locked it).
+ *
+ * It's safe to read the inode item using the commit root because
+ * block groups, once loaded, stay in memory forever (until they are
+ * removed) as well as their space caches once loaded. New block groups
+ * once created get their ->cached field set to BTRFS_CACHE_FINISHED so
+ * we will never try to read their inode item while the fs is mounted.
+ */
inode = lookup_free_space_inode(fs_info, block_group, path);
if (IS_ERR(inode)) {
btrfs_free_path(path);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index d3df5b52278c..9ea4c6f0352f 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1531,12 +1531,11 @@ out_check:
}
btrfs_release_path(path);
- if (cur_offset <= end && cow_start == (u64)-1) {
+ if (cur_offset <= end && cow_start == (u64)-1)
cow_start = cur_offset;
- cur_offset = end;
- }
if (cow_start != (u64)-1) {
+ cur_offset = end;
ret = cow_file_range(inode, locked_page, cow_start, end, end,
page_started, nr_written, 1, NULL);
if (ret)
@@ -3570,10 +3569,11 @@ static noinline int acls_after_inode_item(struct extent_buffer *leaf,
/*
* read an inode from the btree into the in-memory inode
*/
-static int btrfs_read_locked_inode(struct inode *inode)
+static int btrfs_read_locked_inode(struct inode *inode,
+ struct btrfs_path *in_path)
{
struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb);
- struct btrfs_path *path;
+ struct btrfs_path *path = in_path;
struct extent_buffer *leaf;
struct btrfs_inode_item *inode_item;
struct btrfs_root *root = BTRFS_I(inode)->root;
@@ -3589,15 +3589,18 @@ static int btrfs_read_locked_inode(struct inode *inode)
if (!ret)
filled = true;
- path = btrfs_alloc_path();
- if (!path)
- return -ENOMEM;
+ if (!path) {
+ path = btrfs_alloc_path();
+ if (!path)
+ return -ENOMEM;
+ }
memcpy(&location, &BTRFS_I(inode)->location, sizeof(location));
ret = btrfs_lookup_inode(NULL, root, path, &location, 0);
if (ret) {
- btrfs_free_path(path);
+ if (path != in_path)
+ btrfs_free_path(path);
return ret;
}
@@ -3722,7 +3725,8 @@ cache_acl:
btrfs_ino(BTRFS_I(inode)),
root->root_key.objectid, ret);
}
- btrfs_free_path(path);
+ if (path != in_path)
+ btrfs_free_path(path);
if (!maybe_acls)
cache_no_acl(inode);
@@ -5644,8 +5648,9 @@ static struct inode *btrfs_iget_locked(struct super_block *s,
/* Get an inode object given its location and corresponding root.
* Returns in *is_new if the inode was read from disk
*/
-struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
- struct btrfs_root *root, int *new)
+struct inode *btrfs_iget_path(struct super_block *s, struct btrfs_key *location,
+ struct btrfs_root *root, int *new,
+ struct btrfs_path *path)
{
struct inode *inode;
@@ -5656,7 +5661,7 @@ struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
if (inode->i_state & I_NEW) {
int ret;
- ret = btrfs_read_locked_inode(inode);
+ ret = btrfs_read_locked_inode(inode, path);
if (!ret) {
inode_tree_add(inode);
unlock_new_inode(inode);
@@ -5678,6 +5683,12 @@ struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
return inode;
}
+struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
+ struct btrfs_root *root, int *new)
+{
+ return btrfs_iget_path(s, location, root, new, NULL);
+}
+
static struct inode *new_simple_dir(struct super_block *s,
struct btrfs_key *key,
struct btrfs_root *root)
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 3ca6943827ef..802a628e9f7d 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3488,6 +3488,8 @@ static int btrfs_extent_same_range(struct inode *src, u64 loff, u64 olen,
const u64 sz = BTRFS_I(src)->root->fs_info->sectorsize;
len = round_down(i_size_read(src), sz) - loff;
+ if (len == 0)
+ return 0;
olen = len;
}
}
@@ -4257,9 +4259,17 @@ static noinline int btrfs_clone_files(struct file *file, struct file *file_src,
goto out_unlock;
if (len == 0)
olen = len = src->i_size - off;
- /* if we extend to eof, continue to block boundary */
- if (off + len == src->i_size)
+ /*
+ * If we extend to eof, continue to block boundary if and only if the
+ * destination end offset matches the destination file's size, otherwise
+ * we would be corrupting data by placing the eof block into the middle
+ * of a file.
+ */
+ if (off + len == src->i_size) {
+ if (!IS_ALIGNED(len, bs) && destoff + len < inode->i_size)
+ goto out_unlock;
len = ALIGN(src->i_size, bs) - off;
+ }
if (len == 0) {
ret = 0;
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index b362b45dd757..cbc9d0d2c12d 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1916,7 +1916,7 @@ restore:
}
/* Used to sort the devices by max_avail(descending sort) */
-static int btrfs_cmp_device_free_bytes(const void *dev_info1,
+static inline int btrfs_cmp_device_free_bytes(const void *dev_info1,
const void *dev_info2)
{
if (((struct btrfs_device_info *)dev_info1)->max_avail >
@@ -1945,8 +1945,8 @@ static inline void btrfs_descending_sort_devices(
* The helper to calc the free space on the devices that can be used to store
* file data.
*/
-static int btrfs_calc_avail_data_space(struct btrfs_fs_info *fs_info,
- u64 *free_bytes)
+static inline int btrfs_calc_avail_data_space(struct btrfs_fs_info *fs_info,
+ u64 *free_bytes)
{
struct btrfs_device_info *devices_info;
struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c
index cab0b1f1f741..efcf89a8ba44 100644
--- a/fs/btrfs/tree-checker.c
+++ b/fs/btrfs/tree-checker.c
@@ -440,7 +440,7 @@ static int check_block_group_item(struct btrfs_fs_info *fs_info,
type != (BTRFS_BLOCK_GROUP_METADATA |
BTRFS_BLOCK_GROUP_DATA)) {
block_group_err(fs_info, leaf, slot,
-"invalid type, have 0x%llx (%lu bits set) expect either 0x%llx, 0x%llx, 0x%llu or 0x%llx",
+"invalid type, have 0x%llx (%lu bits set) expect either 0x%llx, 0x%llx, 0x%llx or 0x%llx",
type, hweight64(type),
BTRFS_BLOCK_GROUP_DATA, BTRFS_BLOCK_GROUP_METADATA,
BTRFS_BLOCK_GROUP_SYSTEM,
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index e07f3376b7df..a5ce99a6c936 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -4396,6 +4396,23 @@ static int btrfs_log_changed_extents(struct btrfs_trans_handle *trans,
logged_end = end;
list_for_each_entry_safe(em, n, &tree->modified_extents, list) {
+ /*
+ * Skip extents outside our logging range. It's important to do
+ * it for correctness because if we don't ignore them, we may
+ * log them before their ordered extent completes, and therefore
+ * we could log them without logging their respective checksums
+ * (the checksum items are added to the csum tree at the very
+ * end of btrfs_finish_ordered_io()). Also leave such extents
+ * outside of our range in the list, since we may have another
+ * ranged fsync in the near future that needs them. If an extent
+ * outside our range corresponds to a hole, log it to avoid
+ * leaving gaps between extents (fsck will complain when we are
+ * not using the NO_HOLES feature).
+ */
+ if ((em->start > end || em->start + em->len <= start) &&
+ em->block_start != EXTENT_MAP_HOLE)
+ continue;
+
list_del_init(&em->list);
/*
* Just an arbitrary number, this can be really CPU intensive
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 27cad84dab23..189df668b6a0 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -1931,10 +1931,17 @@ static ssize_t ceph_copy_file_range(struct file *src_file, loff_t src_off,
if (!prealloc_cf)
return -ENOMEM;
- /* Start by sync'ing the source file */
+ /* Start by sync'ing the source and destination files */
ret = file_write_and_wait_range(src_file, src_off, (src_off + len));
- if (ret < 0)
+ if (ret < 0) {
+ dout("failed to write src file (%zd)\n", ret);
+ goto out;
+ }
+ ret = file_write_and_wait_range(dst_file, dst_off, (dst_off + len));
+ if (ret < 0) {
+ dout("failed to write dst file (%zd)\n", ret);
goto out;
+ }
/*
* We need FILE_WR caps for dst_ci and FILE_RD for src_ci as other
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 67a9aeb2f4ec..bd13a3267ae0 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -80,12 +80,8 @@ static int parse_reply_info_in(void **p, void *end,
info->symlink = *p;
*p += info->symlink_len;
- if (features & CEPH_FEATURE_DIRLAYOUTHASH)
- ceph_decode_copy_safe(p, end, &info->dir_layout,
- sizeof(info->dir_layout), bad);
- else
- memset(&info->dir_layout, 0, sizeof(info->dir_layout));
-
+ ceph_decode_copy_safe(p, end, &info->dir_layout,
+ sizeof(info->dir_layout), bad);
ceph_decode_32_safe(p, end, info->xattr_len, bad);
ceph_decode_need(p, end, info->xattr_len, bad);
info->xattr_data = *p;
@@ -3182,10 +3178,8 @@ static void send_mds_reconnect(struct ceph_mds_client *mdsc,
recon_state.pagelist = pagelist;
if (session->s_con.peer_features & CEPH_FEATURE_MDSENC)
recon_state.msg_version = 3;
- else if (session->s_con.peer_features & CEPH_FEATURE_FLOCK)
- recon_state.msg_version = 2;
else
- recon_state.msg_version = 1;
+ recon_state.msg_version = 2;
err = iterate_session_caps(session, encode_caps_cb, &recon_state);
if (err < 0)
goto fail;
diff --git a/fs/ceph/quota.c b/fs/ceph/quota.c
index 32d4f13784ba..03f4d24db8fe 100644
--- a/fs/ceph/quota.c
+++ b/fs/ceph/quota.c
@@ -237,7 +237,8 @@ static bool check_quota_exceeded(struct inode *inode, enum quota_check_op op,
ceph_put_snap_realm(mdsc, realm);
realm = next;
}
- ceph_put_snap_realm(mdsc, realm);
+ if (realm)
+ ceph_put_snap_realm(mdsc, realm);
up_read(&mdsc->snap_rwsem);
return exceeded;
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 05f01fbd9c7f..22a9d8159720 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -5835,9 +5835,10 @@ int ext4_mark_iloc_dirty(handle_t *handle,
{
int err = 0;
- if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb))))
+ if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) {
+ put_bh(iloc->bh);
return -EIO;
-
+ }
if (IS_I_VERSION(inode))
inode_inc_iversion(inode);
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 17adcb16a9c8..437f71fe83ae 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -126,6 +126,7 @@ static struct buffer_head *__ext4_read_dirblock(struct inode *inode,
if (!is_dx_block && type == INDEX) {
ext4_error_inode(inode, func, line, block,
"directory leaf block found instead of index block");
+ brelse(bh);
return ERR_PTR(-EFSCORRUPTED);
}
if (!ext4_has_metadata_csum(inode->i_sb) ||
@@ -2811,7 +2812,9 @@ int ext4_orphan_add(handle_t *handle, struct inode *inode)
list_del_init(&EXT4_I(inode)->i_orphan);
mutex_unlock(&sbi->s_orphan_lock);
}
- }
+ } else
+ brelse(iloc.bh);
+
jbd_debug(4, "superblock will point to %lu\n", inode->i_ino);
jbd_debug(4, "orphan inode %lu will point to %d\n",
inode->i_ino, NEXT_ORPHAN(inode));
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index ebbc663d0798..a5efee34415f 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -459,16 +459,18 @@ static int set_flexbg_block_bitmap(struct super_block *sb, handle_t *handle,
BUFFER_TRACE(bh, "get_write_access");
err = ext4_journal_get_write_access(handle, bh);
- if (err)
+ if (err) {
+ brelse(bh);
return err;
+ }
ext4_debug("mark block bitmap %#04llx (+%llu/%u)\n",
first_cluster, first_cluster - start, count2);
ext4_set_bits(bh->b_data, first_cluster - start, count2);
err = ext4_handle_dirty_metadata(handle, NULL, bh);
+ brelse(bh);
if (unlikely(err))
return err;
- brelse(bh);
}
return 0;
@@ -605,7 +607,6 @@ handle_bb:
bh = bclean(handle, sb, block);
if (IS_ERR(bh)) {
err = PTR_ERR(bh);
- bh = NULL;
goto out;
}
overhead = ext4_group_overhead_blocks(sb, group);
@@ -618,9 +619,9 @@ handle_bb:
ext4_mark_bitmap_end(EXT4_B2C(sbi, group_data[i].blocks_count),
sb->s_blocksize * 8, bh->b_data);
err = ext4_handle_dirty_metadata(handle, NULL, bh);
+ brelse(bh);
if (err)
goto out;
- brelse(bh);
handle_ib:
if (bg_flags[i] & EXT4_BG_INODE_UNINIT)
@@ -635,18 +636,16 @@ handle_ib:
bh = bclean(handle, sb, block);
if (IS_ERR(bh)) {
err = PTR_ERR(bh);
- bh = NULL;
goto out;
}
ext4_mark_bitmap_end(EXT4_INODES_PER_GROUP(sb),
sb->s_blocksize * 8, bh->b_data);
err = ext4_handle_dirty_metadata(handle, NULL, bh);
+ brelse(bh);
if (err)
goto out;
- brelse(bh);
}
- bh = NULL;
/* Mark group tables in block bitmap */
for (j = 0; j < GROUP_TABLE_COUNT; j++) {
@@ -685,7 +684,6 @@ handle_ib:
}
out:
- brelse(bh);
err2 = ext4_journal_stop(handle);
if (err2 && !err)
err = err2;
@@ -873,6 +871,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
err = ext4_handle_dirty_metadata(handle, NULL, gdb_bh);
if (unlikely(err)) {
ext4_std_error(sb, err);
+ iloc.bh = NULL;
goto exit_inode;
}
brelse(dind);
@@ -924,6 +923,7 @@ static int add_new_gdb_meta_bg(struct super_block *sb,
sizeof(struct buffer_head *),
GFP_NOFS);
if (!n_group_desc) {
+ brelse(gdb_bh);
err = -ENOMEM;
ext4_warning(sb, "not enough memory for %lu groups",
gdb_num + 1);
@@ -939,8 +939,6 @@ static int add_new_gdb_meta_bg(struct super_block *sb,
kvfree(o_group_desc);
BUFFER_TRACE(gdb_bh, "get_write_access");
err = ext4_journal_get_write_access(handle, gdb_bh);
- if (unlikely(err))
- brelse(gdb_bh);
return err;
}
@@ -1124,8 +1122,10 @@ static void update_backups(struct super_block *sb, sector_t blk_off, char *data,
backup_block, backup_block -
ext4_group_first_block_no(sb, group));
BUFFER_TRACE(bh, "get_write_access");
- if ((err = ext4_journal_get_write_access(handle, bh)))
+ if ((err = ext4_journal_get_write_access(handle, bh))) {
+ brelse(bh);
break;
+ }
lock_buffer(bh);
memcpy(bh->b_data, data, size);
if (rest)
@@ -2023,7 +2023,7 @@ retry:
err = ext4_alloc_flex_bg_array(sb, n_group + 1);
if (err)
- return err;
+ goto out;
err = ext4_mb_alloc_groupinfo(sb, n_group + 1);
if (err)
@@ -2059,6 +2059,10 @@ retry:
n_blocks_count_retry = 0;
free_flex_gd(flex_gd);
flex_gd = NULL;
+ if (resize_inode) {
+ iput(resize_inode);
+ resize_inode = NULL;
+ }
goto retry;
}
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index a221f1cdf704..53ff6c2a26ed 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4075,6 +4075,14 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
sbi->s_groups_count = blocks_count;
sbi->s_blockfile_groups = min_t(ext4_group_t, sbi->s_groups_count,
(EXT4_MAX_BLOCK_FILE_PHYS / EXT4_BLOCKS_PER_GROUP(sb)));
+ if (((u64)sbi->s_groups_count * sbi->s_inodes_per_group) !=
+ le32_to_cpu(es->s_inodes_count)) {
+ ext4_msg(sb, KERN_ERR, "inodes count not valid: %u vs %llu",
+ le32_to_cpu(es->s_inodes_count),
+ ((u64)sbi->s_groups_count * sbi->s_inodes_per_group));
+ ret = -EINVAL;
+ goto failed_mount;
+ }
db_count = (sbi->s_groups_count + EXT4_DESC_PER_BLOCK(sb) - 1) /
EXT4_DESC_PER_BLOCK(sb);
if (ext4_has_feature_meta_bg(sb)) {
@@ -4094,14 +4102,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
ret = -ENOMEM;
goto failed_mount;
}
- if (((u64)sbi->s_groups_count * sbi->s_inodes_per_group) !=
- le32_to_cpu(es->s_inodes_count)) {
- ext4_msg(sb, KERN_ERR, "inodes count not valid: %u vs %llu",
- le32_to_cpu(es->s_inodes_count),
- ((u64)sbi->s_groups_count * sbi->s_inodes_per_group));
- ret = -EINVAL;
- goto failed_mount;
- }
bgl_lock_init(sbi->s_blockgroup_lock);
@@ -4510,6 +4510,7 @@ failed_mount6:
percpu_counter_destroy(&sbi->s_freeinodes_counter);
percpu_counter_destroy(&sbi->s_dirs_counter);
percpu_counter_destroy(&sbi->s_dirtyclusters_counter);
+ percpu_free_rwsem(&sbi->s_journal_flag_rwsem);
failed_mount5:
ext4_ext_release(sb);
ext4_release_system_zone(sb);
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index f36fc5d5b257..7643d52c776c 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -1031,10 +1031,8 @@ static int ext4_xattr_inode_update_ref(handle_t *handle, struct inode *ea_inode,
inode_lock(ea_inode);
ret = ext4_reserve_inode_write(handle, ea_inode, &iloc);
- if (ret) {
- iloc.bh = NULL;
+ if (ret)
goto out;
- }
ref_count = ext4_xattr_inode_get_ref(ea_inode);
ref_count += ref_change;
@@ -1080,12 +1078,10 @@ static int ext4_xattr_inode_update_ref(handle_t *handle, struct inode *ea_inode,
}
ret = ext4_mark_iloc_dirty(handle, ea_inode, &iloc);
- iloc.bh = NULL;
if (ret)
ext4_warning_inode(ea_inode,
"ext4_mark_iloc_dirty() failed ret=%d", ret);
out:
- brelse(iloc.bh);
inode_unlock(ea_inode);
return ret;
}
@@ -1388,6 +1384,12 @@ retry:
bh = ext4_getblk(handle, ea_inode, block, 0);
if (IS_ERR(bh))
return PTR_ERR(bh);
+ if (!bh) {
+ WARN_ON_ONCE(1);
+ EXT4_ERROR_INODE(ea_inode,
+ "ext4_getblk() return bh = NULL");
+ return -EFSCORRUPTED;
+ }
ret = ext4_journal_get_write_access(handle, bh);
if (ret)
goto out;
@@ -2276,8 +2278,10 @@ static struct buffer_head *ext4_xattr_get_block(struct inode *inode)
if (!bh)
return ERR_PTR(-EIO);
error = ext4_xattr_check_block(inode, bh);
- if (error)
+ if (error) {
+ brelse(bh);
return ERR_PTR(error);
+ }
return bh;
}
@@ -2397,6 +2401,8 @@ retry_inode:
error = ext4_xattr_block_set(handle, inode, &i, &bs);
} else if (error == -ENOSPC) {
if (EXT4_I(inode)->i_file_acl && !bs.s.base) {
+ brelse(bs.bh);
+ bs.bh = NULL;
error = ext4_xattr_block_find(inode, &i, &bs);
if (error)
goto cleanup;
@@ -2617,6 +2623,8 @@ out:
kfree(buffer);
if (is)
brelse(is->iloc.bh);
+ if (bs)
+ brelse(bs->bh);
kfree(is);
kfree(bs);
@@ -2696,7 +2704,6 @@ int ext4_expand_extra_isize_ea(struct inode *inode, int new_extra_isize,
struct ext4_inode *raw_inode, handle_t *handle)
{
struct ext4_xattr_ibody_header *header;
- struct buffer_head *bh;
struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
static unsigned int mnt_count;
size_t min_offs;
@@ -2737,13 +2744,17 @@ retry:
* EA block can hold new_extra_isize bytes.
*/
if (EXT4_I(inode)->i_file_acl) {
+ struct buffer_head *bh;
+
bh = sb_bread(inode->i_sb, EXT4_I(inode)->i_file_acl);
error = -EIO;
if (!bh)
goto cleanup;
error = ext4_xattr_check_block(inode, bh);
- if (error)
+ if (error) {
+ brelse(bh);
goto cleanup;
+ }
base = BHDR(bh);
end = bh->b_data + bh->b_size;
min_offs = end - base;
diff --git a/fs/namespace.c b/fs/namespace.c
index 98d27da43304..74f64294a410 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1540,8 +1540,13 @@ static int do_umount(struct mount *mnt, int flags)
namespace_lock();
lock_mount_hash();
- event++;
+ /* Recheck MNT_LOCKED with the locks held */
+ retval = -EINVAL;
+ if (mnt->mnt.mnt_flags & MNT_LOCKED)
+ goto out;
+
+ event++;
if (flags & MNT_DETACH) {
if (!list_empty(&mnt->mnt_list))
umount_tree(mnt, UMOUNT_PROPAGATE);
@@ -1555,6 +1560,7 @@ static int do_umount(struct mount *mnt, int flags)
retval = 0;
}
}
+out:
unlock_mount_hash();
namespace_unlock();
return retval;
@@ -1645,7 +1651,7 @@ int ksys_umount(char __user *name, int flags)
goto dput_and_out;
if (!check_mnt(mnt))
goto dput_and_out;
- if (mnt->mnt.mnt_flags & MNT_LOCKED)
+ if (mnt->mnt.mnt_flags & MNT_LOCKED) /* Check optimistically */
goto dput_and_out;
retval = -EPERM;
if (flags & MNT_FORCE && !capable(CAP_SYS_ADMIN))
@@ -1728,8 +1734,14 @@ struct mount *copy_tree(struct mount *mnt, struct dentry *dentry,
for (s = r; s; s = next_mnt(s, r)) {
if (!(flag & CL_COPY_UNBINDABLE) &&
IS_MNT_UNBINDABLE(s)) {
- s = skip_mnt_tree(s);
- continue;
+ if (s->mnt.mnt_flags & MNT_LOCKED) {
+ /* Both unbindable and locked. */
+ q = ERR_PTR(-EPERM);
+ goto out;
+ } else {
+ s = skip_mnt_tree(s);
+ continue;
+ }
}
if (!(flag & CL_COPY_MNT_NS_FILE) &&
is_mnt_ns_file(s->mnt.mnt_root)) {
@@ -1782,7 +1794,7 @@ void drop_collected_mounts(struct vfsmount *mnt)
{
namespace_lock();
lock_mount_hash();
- umount_tree(real_mount(mnt), UMOUNT_SYNC);
+ umount_tree(real_mount(mnt), 0);
unlock_mount_hash();
namespace_unlock();
}
diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c
index 6fc5425b1474..2652d00842d6 100644
--- a/fs/xfs/libxfs/xfs_attr_leaf.c
+++ b/fs/xfs/libxfs/xfs_attr_leaf.c
@@ -243,7 +243,7 @@ xfs_attr3_leaf_verify(
struct xfs_mount *mp = bp->b_target->bt_mount;
struct xfs_attr_leafblock *leaf = bp->b_addr;
struct xfs_attr_leaf_entry *entries;
- uint16_t end;
+ uint32_t end; /* must be 32bit - see below */
int i;
xfs_attr3_leaf_hdr_from_disk(mp->m_attr_geo, &ichdr, leaf);
@@ -293,6 +293,11 @@ xfs_attr3_leaf_verify(
/*
* Quickly check the freemap information. Attribute data has to be
* aligned to 4-byte boundaries, and likewise for the free space.
+ *
+ * Note that for 64k block size filesystems, the freemap entries cannot
+ * overflow as they are only be16 fields. However, when checking end
+ * pointer of the freemap, we have to be careful to detect overflows and
+ * so use uint32_t for those checks.
*/
for (i = 0; i < XFS_ATTR_LEAF_MAPSIZE; i++) {
if (ichdr.freemap[i].base > mp->m_attr_geo->blksize)
@@ -303,7 +308,9 @@ xfs_attr3_leaf_verify(
return __this_address;
if (ichdr.freemap[i].size & 0x3)
return __this_address;
- end = ichdr.freemap[i].base + ichdr.freemap[i].size;
+
+ /* be care of 16 bit overflows here */
+ end = (uint32_t)ichdr.freemap[i].base + ichdr.freemap[i].size;
if (end < ichdr.freemap[i].base)
return __this_address;
if (end > mp->m_attr_geo->blksize)
diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
index 6e2c08f30f60..6ecdbb3af7de 100644
--- a/fs/xfs/xfs_ioctl.c
+++ b/fs/xfs/xfs_ioctl.c
@@ -1608,7 +1608,7 @@ xfs_ioc_getbmap(
error = 0;
out_free_buf:
kmem_free(buf);
- return 0;
+ return error;
}
struct getfsmap_info {
diff --git a/fs/xfs/xfs_message.c b/fs/xfs/xfs_message.c
index 576c375ce12a..6b736ea58d35 100644
--- a/fs/xfs/xfs_message.c
+++ b/fs/xfs/xfs_message.c
@@ -107,5 +107,5 @@ assfail(char *expr, char *file, int line)
void
xfs_hex_dump(void *p, int length)
{
- print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_ADDRESS, 16, 1, p, length, 1);
+ print_hex_dump(KERN_ALERT, "", DUMP_PREFIX_OFFSET, 16, 1, p, length, 1);
}
diff --git a/include/asm-generic/4level-fixup.h b/include/asm-generic/4level-fixup.h
index 89f3b03b1445..e3667c9a33a5 100644
--- a/include/asm-generic/4level-fixup.h
+++ b/include/asm-generic/4level-fixup.h
@@ -3,7 +3,7 @@
#define _4LEVEL_FIXUP_H
#define __ARCH_HAS_4LEVEL_HACK
-#define __PAGETABLE_PUD_FOLDED
+#define __PAGETABLE_PUD_FOLDED 1
#define PUD_SHIFT PGDIR_SHIFT
#define PUD_SIZE PGDIR_SIZE
diff --git a/include/asm-generic/5level-fixup.h b/include/asm-generic/5level-fixup.h
index 9c2e0708eb82..73474bb52344 100644
--- a/include/asm-generic/5level-fixup.h
+++ b/include/asm-generic/5level-fixup.h
@@ -3,7 +3,7 @@
#define _5LEVEL_FIXUP_H
#define __ARCH_HAS_5LEVEL_HACK
-#define __PAGETABLE_P4D_FOLDED
+#define __PAGETABLE_P4D_FOLDED 1
#define P4D_SHIFT PGDIR_SHIFT
#define P4D_SIZE PGDIR_SIZE
diff --git a/include/asm-generic/pgtable-nop4d-hack.h b/include/asm-generic/pgtable-nop4d-hack.h
index 0c34215263b8..1d6dd38c0e5e 100644
--- a/include/asm-generic/pgtable-nop4d-hack.h
+++ b/include/asm-generic/pgtable-nop4d-hack.h
@@ -5,7 +5,7 @@
#ifndef __ASSEMBLY__
#include <asm-generic/5level-fixup.h>
-#define __PAGETABLE_PUD_FOLDED
+#define __PAGETABLE_PUD_FOLDED 1
/*
* Having the pud type consist of a pgd gets the size right, and allows
diff --git a/include/asm-generic/pgtable-nop4d.h b/include/asm-generic/pgtable-nop4d.h
index 1a29b2a0282b..04cb913797bc 100644
--- a/include/asm-generic/pgtable-nop4d.h
+++ b/include/asm-generic/pgtable-nop4d.h
@@ -4,7 +4,7 @@
#ifndef __ASSEMBLY__
-#define __PAGETABLE_P4D_FOLDED
+#define __PAGETABLE_P4D_FOLDED 1
typedef struct { pgd_t pgd; } p4d_t;
diff --git a/include/asm-generic/pgtable-nopmd.h b/include/asm-generic/pgtable-nopmd.h
index f35f6e8149e4..b85b8271a73d 100644
--- a/include/asm-generic/pgtable-nopmd.h
+++ b/include/asm-generic/pgtable-nopmd.h
@@ -8,7 +8,7 @@
struct mm_struct;
-#define __PAGETABLE_PMD_FOLDED
+#define __PAGETABLE_PMD_FOLDED 1
/*
* Having the pmd type consist of a pud gets the size right, and allows
diff --git a/include/asm-generic/pgtable-nopud.h b/include/asm-generic/pgtable-nopud.h
index e950b9c50f34..9bef475db6fe 100644
--- a/include/asm-generic/pgtable-nopud.h
+++ b/include/asm-generic/pgtable-nopud.h
@@ -9,7 +9,7 @@
#else
#include <asm-generic/pgtable-nop4d.h>
-#define __PAGETABLE_PUD_FOLDED
+#define __PAGETABLE_PUD_FOLDED 1
/*
* Having the pud type consist of a p4d gets the size right, and allows
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 5657a20e0c59..359fb935ded6 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -1127,4 +1127,20 @@ static inline bool arch_has_pfn_modify_check(void)
#endif
#endif
+/*
+ * On some architectures it depends on the mm if the p4d/pud or pmd
+ * layer of the page table hierarchy is folded or not.
+ */
+#ifndef mm_p4d_folded
+#define mm_p4d_folded(mm) __is_defined(__PAGETABLE_P4D_FOLDED)
+#endif
+
+#ifndef mm_pud_folded
+#define mm_pud_folded(mm) __is_defined(__PAGETABLE_PUD_FOLDED)
+#endif
+
+#ifndef mm_pmd_folded
+#define mm_pmd_folded(mm) __is_defined(__PAGETABLE_PMD_FOLDED)
+#endif
+
#endif /* _ASM_GENERIC_PGTABLE_H */
diff --git a/include/linux/ceph/ceph_features.h b/include/linux/ceph/ceph_features.h
index 6b92b3395fa9..65a38c4a02a1 100644
--- a/include/linux/ceph/ceph_features.h
+++ b/include/linux/ceph/ceph_features.h
@@ -213,12 +213,6 @@ DEFINE_CEPH_FEATURE_DEPRECATED(63, 1, RESERVED_BROKEN, LUMINOUS) // client-facin
CEPH_FEATURE_NEW_OSDOPREPLY_ENCODING | \
CEPH_FEATURE_CEPHX_V2)
-#define CEPH_FEATURES_REQUIRED_DEFAULT \
- (CEPH_FEATURE_NOSRCADDR | \
- CEPH_FEATURE_SUBSCRIBE2 | \
- CEPH_FEATURE_RECONNECT_SEQ | \
- CEPH_FEATURE_PGID64 | \
- CEPH_FEATURE_PGPOOL3 | \
- CEPH_FEATURE_OSDENC)
+#define CEPH_FEATURES_REQUIRED_DEFAULT 0
#endif
diff --git a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h
index 6b28c1b7310c..f8c400ba1929 100644
--- a/include/linux/compiler_attributes.h
+++ b/include/linux/compiler_attributes.h
@@ -4,22 +4,26 @@
/*
* The attributes in this file are unconditionally defined and they directly
- * map to compiler attribute(s) -- except those that are optional.
+ * map to compiler attribute(s), unless one of the compilers does not support
+ * the attribute. In that case, __has_attribute is used to check for support
+ * and the reason is stated in its comment ("Optional: ...").
*
* Any other "attributes" (i.e. those that depend on a configuration option,
* on a compiler, on an architecture, on plugins, on other attributes...)
* should be defined elsewhere (e.g. compiler_types.h or compiler-*.h).
+ * The intention is to keep this file as simple as possible, as well as
+ * compiler- and version-agnostic (e.g. avoiding GCC_VERSION checks).
*
* This file is meant to be sorted (by actual attribute name,
* not by #define identifier). Use the __attribute__((__name__)) syntax
* (i.e. with underscores) to avoid future collisions with other macros.
- * If an attribute is optional, state the reason in the comment.
+ * Provide links to the documentation of each supported compiler, if it exists.
*/
/*
- * To check for optional attributes, we use __has_attribute, which is supported
- * on gcc >= 5, clang >= 2.9 and icc >= 17. In the meantime, to support
- * 4.6 <= gcc < 5, we implement __has_attribute by hand.
+ * __has_attribute is supported on gcc >= 5, clang >= 2.9 and icc >= 17.
+ * In the meantime, to support 4.6 <= gcc < 5, we implement __has_attribute
+ * by hand.
*
* sparse does not support __has_attribute (yet) and defines __GNUC_MINOR__
* depending on the compiler used to build it; however, these attributes have
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index 3439d7d0249a..4a3f9c09c92d 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -130,6 +130,10 @@ struct ftrace_likely_data {
# define randomized_struct_fields_end
#endif
+#ifndef asm_volatile_goto
+#define asm_volatile_goto(x...) asm goto(x)
+#endif
+
/* Are two types/vars the same type (ignoring qualifiers)? */
#define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b))
diff --git a/include/linux/hid.h b/include/linux/hid.h
index 2827b87590d8..387c70df6f29 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -722,8 +722,8 @@ struct hid_usage_id {
* input will not be passed to raw_event unless hid_device_io_start is
* called.
*
- * raw_event and event should return 0 on no action performed, 1 when no
- * further processing should be done and negative on error
+ * raw_event and event should return negative on error, any other value will
+ * pass the event on to .event() typically return 0 for success.
*
* input_mapping shall return a negative value to completely ignore this usage
* (e.g. doubled or invalid usage), zero to continue with parsing of this
diff --git a/include/linux/i8253.h b/include/linux/i8253.h
index e6bb36a97519..8336b2f6f834 100644
--- a/include/linux/i8253.h
+++ b/include/linux/i8253.h
@@ -21,6 +21,7 @@
#define PIT_LATCH ((PIT_TICK_RATE + HZ/2) / HZ)
extern raw_spinlock_t i8253_lock;
+extern bool i8253_clear_counter_on_shutdown;
extern struct clock_event_device i8253_clockevent;
extern void clockevent_i8253_init(bool oneshot);
diff --git a/include/linux/mm.h b/include/linux/mm.h
index fcf9cc9d535f..5411de93a363 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -1744,11 +1744,15 @@ int __pud_alloc(struct mm_struct *mm, p4d_t *p4d, unsigned long address);
static inline void mm_inc_nr_puds(struct mm_struct *mm)
{
+ if (mm_pud_folded(mm))
+ return;
atomic_long_add(PTRS_PER_PUD * sizeof(pud_t), &mm->pgtables_bytes);
}
static inline void mm_dec_nr_puds(struct mm_struct *mm)
{
+ if (mm_pud_folded(mm))
+ return;
atomic_long_sub(PTRS_PER_PUD * sizeof(pud_t), &mm->pgtables_bytes);
}
#endif
@@ -1768,11 +1772,15 @@ int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address);
static inline void mm_inc_nr_pmds(struct mm_struct *mm)
{
+ if (mm_pmd_folded(mm))
+ return;
atomic_long_add(PTRS_PER_PMD * sizeof(pmd_t), &mm->pgtables_bytes);
}
static inline void mm_dec_nr_pmds(struct mm_struct *mm)
{
+ if (mm_pmd_folded(mm))
+ return;
atomic_long_sub(PTRS_PER_PMD * sizeof(pmd_t), &mm->pgtables_bytes);
}
#endif
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index abe975c87b90..7f53ece2c039 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -324,9 +324,8 @@ static inline unsigned int nanddev_ntargets(const struct nand_device *nand)
*/
static inline unsigned int nanddev_neraseblocks(const struct nand_device *nand)
{
- return (u64)nand->memorg.luns_per_target *
- nand->memorg.eraseblocks_per_lun *
- nand->memorg.pages_per_eraseblock;
+ return nand->memorg.ntargets * nand->memorg.luns_per_target *
+ nand->memorg.eraseblocks_per_lun;
}
/**
@@ -569,7 +568,7 @@ static inline void nanddev_pos_next_eraseblock(struct nand_device *nand,
}
/**
- * nanddev_pos_next_eraseblock() - Move a position to the next page
+ * nanddev_pos_next_page() - Move a position to the next page
* @nand: NAND device
* @pos: the position to update
*
diff --git a/include/linux/nmi.h b/include/linux/nmi.h
index 08f9247e9827..9003e29cde46 100644
--- a/include/linux/nmi.h
+++ b/include/linux/nmi.h
@@ -119,6 +119,8 @@ static inline int hardlockup_detector_perf_init(void) { return 0; }
void watchdog_nmi_stop(void);
void watchdog_nmi_start(void);
int watchdog_nmi_probe(void);
+int watchdog_nmi_enable(unsigned int cpu);
+void watchdog_nmi_disable(unsigned int cpu);
/**
* touch_nmi_watchdog - restart NMI watchdog timeout.
diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h
index f5ff8a76e208..b01eb502d49c 100644
--- a/include/uapi/linux/kfd_ioctl.h
+++ b/include/uapi/linux/kfd_ioctl.h
@@ -83,11 +83,11 @@ struct kfd_ioctl_set_cu_mask_args {
};
struct kfd_ioctl_get_queue_wave_state_args {
- uint64_t ctl_stack_address; /* to KFD */
- uint32_t ctl_stack_used_size; /* from KFD */
- uint32_t save_area_used_size; /* from KFD */
- uint32_t queue_id; /* to KFD */
- uint32_t pad;
+ __u64 ctl_stack_address; /* to KFD */
+ __u32 ctl_stack_used_size; /* from KFD */
+ __u32 save_area_used_size; /* from KFD */
+ __u32 queue_id; /* to KFD */
+ __u32 pad;
};
/* For kfd_ioctl_set_memory_policy_args.default_policy and alternate_policy */
@@ -255,10 +255,10 @@ struct kfd_hsa_memory_exception_data {
/* hw exception data */
struct kfd_hsa_hw_exception_data {
- uint32_t reset_type;
- uint32_t reset_cause;
- uint32_t memory_lost;
- uint32_t gpu_id;
+ __u32 reset_type;
+ __u32 reset_cause;
+ __u32 memory_lost;
+ __u32 gpu_id;
};
/* Event data */
diff --git a/include/xen/xen-ops.h b/include/xen/xen-ops.h
index 18803ff76e27..4969817124a8 100644
--- a/include/xen/xen-ops.h
+++ b/include/xen/xen-ops.h
@@ -42,16 +42,12 @@ int xen_setup_shutdown_event(void);
extern unsigned long *xen_contiguous_bitmap;
-#ifdef CONFIG_XEN_PV
+#if defined(CONFIG_XEN_PV) || defined(CONFIG_ARM) || defined(CONFIG_ARM64)
int xen_create_contiguous_region(phys_addr_t pstart, unsigned int order,
unsigned int address_bits,
dma_addr_t *dma_handle);
void xen_destroy_contiguous_region(phys_addr_t pstart, unsigned int order);
-
-int xen_remap_pfn(struct vm_area_struct *vma, unsigned long addr,
- xen_pfn_t *pfn, int nr, int *err_ptr, pgprot_t prot,
- unsigned int domid, bool no_translate, struct page **pages);
#else
static inline int xen_create_contiguous_region(phys_addr_t pstart,
unsigned int order,
@@ -63,7 +59,13 @@ static inline int xen_create_contiguous_region(phys_addr_t pstart,
static inline void xen_destroy_contiguous_region(phys_addr_t pstart,
unsigned int order) { }
+#endif
+#if defined(CONFIG_XEN_PV)
+int xen_remap_pfn(struct vm_area_struct *vma, unsigned long addr,
+ xen_pfn_t *pfn, int nr, int *err_ptr, pgprot_t prot,
+ unsigned int domid, bool no_translate, struct page **pages);
+#else
static inline int xen_remap_pfn(struct vm_area_struct *vma, unsigned long addr,
xen_pfn_t *pfn, int nr, int *err_ptr,
pgprot_t prot, unsigned int domid,
diff --git a/kernel/resource.c b/kernel/resource.c
index b3a3a1fc499e..b0fbf685c77a 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -319,16 +319,23 @@ int release_resource(struct resource *old)
EXPORT_SYMBOL(release_resource);
/**
- * Finds the lowest iomem resource that covers part of [start..end]. The
- * caller must specify start, end, flags, and desc (which may be
+ * Finds the lowest iomem resource that covers part of [@start..@end]. The
+ * caller must specify @start, @end, @flags, and @desc (which may be
* IORES_DESC_NONE).
*
- * If a resource is found, returns 0 and *res is overwritten with the part
- * of the resource that's within [start..end]; if none is found, returns
- * -1.
+ * If a resource is found, returns 0 and @*res is overwritten with the part
+ * of the resource that's within [@start..@end]; if none is found, returns
+ * -1 or -EINVAL for other invalid parameters.
*
* This function walks the whole tree and not just first level children
* unless @first_lvl is true.
+ *
+ * @start: start address of the resource searched for
+ * @end: end address of same resource
+ * @flags: flags which the resource must have
+ * @desc: descriptor the resource must have
+ * @first_lvl: walk only the first level children, if set
+ * @res: return ptr, if resource found
*/
static int find_next_iomem_res(resource_size_t start, resource_size_t end,
unsigned long flags, unsigned long desc,
@@ -399,6 +406,8 @@ static int __walk_iomem_res_desc(resource_size_t start, resource_size_t end,
* @flags: I/O resource flags
* @start: start addr
* @end: end addr
+ * @arg: function argument for the callback @func
+ * @func: callback function that is called for each qualifying resource area
*
* NOTE: For a new descriptor search, define a new IORES_DESC in
* <linux/ioport.h> and set it in 'desc' of a target resource entry.
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index f12225f26b70..091e089063be 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5851,11 +5851,14 @@ void __init sched_init_smp(void)
/*
* There's no userspace yet to cause hotplug operations; hence all the
* CPU masks are stable and all blatant races in the below code cannot
- * happen.
+ * happen. The hotplug lock is nevertheless taken to satisfy lockdep,
+ * but there won't be any contention on it.
*/
+ cpus_read_lock();
mutex_lock(&sched_domains_mutex);
sched_init_domains(cpu_active_mask);
mutex_unlock(&sched_domains_mutex);
+ cpus_read_unlock();
/* Move init over to a non-isolated CPU */
if (set_cpus_allowed_ptr(current, housekeeping_cpumask(HK_FLAG_DOMAIN)) < 0)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index ee271bb661cc..3648d0300fdf 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -2400,8 +2400,8 @@ void task_numa_fault(int last_cpupid, int mem_node, int pages, int flags)
local = 1;
/*
- * Retry task to preferred node migration periodically, in case it
- * case it previously failed, or the scheduler moved us.
+ * Retry to migrate task to preferred node periodically, in case it
+ * previously failed, or the scheduler moved us.
*/
if (time_after(jiffies, p->numa_migrate_retry)) {
task_numa_placement(p);
diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c
index ce32cf741b25..8f0644af40be 100644
--- a/kernel/time/posix-cpu-timers.c
+++ b/kernel/time/posix-cpu-timers.c
@@ -917,9 +917,6 @@ static void check_process_timers(struct task_struct *tsk,
struct task_cputime cputime;
unsigned long soft;
- if (dl_task(tsk))
- check_dl_overrun(tsk);
-
/*
* If cputimer is not running, then there are no active
* process wide timers (POSIX 1.b, itimers, RLIMIT_CPU).
diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c
index e5222b5fb4fe..923414a246e9 100644
--- a/kernel/user_namespace.c
+++ b/kernel/user_namespace.c
@@ -974,10 +974,6 @@ static ssize_t map_write(struct file *file, const char __user *buf,
if (!new_idmap_permitted(file, ns, cap_setid, &new_map))
goto out;
- ret = sort_idmaps(&new_map);
- if (ret < 0)
- goto out;
-
ret = -EPERM;
/* Map the lower ids from the parent user namespace to the
* kernel global id space.
@@ -1004,6 +1000,14 @@ static ssize_t map_write(struct file *file, const char __user *buf,
e->lower_first = lower_first;
}
+ /*
+ * If we want to use binary search for lookup, this clones the extent
+ * array and sorts both copies.
+ */
+ ret = sort_idmaps(&new_map);
+ if (ret < 0)
+ goto out;
+
/* Install the map */
if (new_map.nr_extents <= UID_GID_MAP_MAX_BASE_EXTENTS) {
memcpy(map->extent, new_map.extent,
diff --git a/lib/raid6/test/Makefile b/lib/raid6/test/Makefile
index 5d73f5cb4d8a..79777645cac9 100644
--- a/lib/raid6/test/Makefile
+++ b/lib/raid6/test/Makefile
@@ -27,7 +27,7 @@ ifeq ($(ARCH),arm)
CFLAGS += -I../../../arch/arm/include -mfpu=neon
HAS_NEON = yes
endif
-ifeq ($(ARCH),arm64)
+ifeq ($(ARCH),aarch64)
CFLAGS += -I../../../arch/arm64/include
HAS_NEON = yes
endif
@@ -41,7 +41,7 @@ ifeq ($(IS_X86),yes)
gcc -c -x assembler - >&/dev/null && \
rm ./-.o && echo -DCONFIG_AS_AVX512=1)
else ifeq ($(HAS_NEON),yes)
- OBJS += neon.o neon1.o neon2.o neon4.o neon8.o
+ OBJS += neon.o neon1.o neon2.o neon4.o neon8.o recov_neon.o recov_neon_inner.o
CFLAGS += -DCONFIG_KERNEL_MODE_NEON=1
else
HAS_ALTIVEC := $(shell printf '\#include <altivec.h>\nvector int a;\n' |\
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index 56d1e9b73142..2e8d91e54179 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -1165,8 +1165,8 @@ ip_proto_again:
break;
}
- if (dissector_uses_key(flow_dissector,
- FLOW_DISSECTOR_KEY_PORTS)) {
+ if (dissector_uses_key(flow_dissector, FLOW_DISSECTOR_KEY_PORTS) &&
+ !(key_control->flags & FLOW_DIS_IS_FRAGMENT)) {
key_ports = skb_flow_dissector_target(flow_dissector,
FLOW_DISSECTOR_KEY_PORTS,
target_container);
diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index bcb11f3a27c0..760a9e52e02b 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -178,21 +178,22 @@ static struct inet_frag_queue *inet_frag_alloc(struct netns_frags *nf,
}
static struct inet_frag_queue *inet_frag_create(struct netns_frags *nf,
- void *arg)
+ void *arg,
+ struct inet_frag_queue **prev)
{
struct inet_frags *f = nf->f;
struct inet_frag_queue *q;
- int err;
q = inet_frag_alloc(nf, f, arg);
- if (!q)
+ if (!q) {
+ *prev = ERR_PTR(-ENOMEM);
return NULL;
-
+ }
mod_timer(&q->timer, jiffies + nf->timeout);
- err = rhashtable_insert_fast(&nf->rhashtable, &q->node,
- f->rhash_params);
- if (err < 0) {
+ *prev = rhashtable_lookup_get_insert_key(&nf->rhashtable, &q->key,
+ &q->node, f->rhash_params);
+ if (*prev) {
q->flags |= INET_FRAG_COMPLETE;
inet_frag_kill(q);
inet_frag_destroy(q);
@@ -204,22 +205,22 @@ static struct inet_frag_queue *inet_frag_create(struct netns_frags *nf,
/* TODO : call from rcu_read_lock() and no longer use refcount_inc_not_zero() */
struct inet_frag_queue *inet_frag_find(struct netns_frags *nf, void *key)
{
- struct inet_frag_queue *fq;
+ struct inet_frag_queue *fq = NULL, *prev;
if (!nf->high_thresh || frag_mem_limit(nf) > nf->high_thresh)
return NULL;
rcu_read_lock();
- fq = rhashtable_lookup(&nf->rhashtable, key, nf->f->rhash_params);
- if (fq) {
+ prev = rhashtable_lookup(&nf->rhashtable, key, nf->f->rhash_params);
+ if (!prev)
+ fq = inet_frag_create(nf, key, &prev);
+ if (prev && !IS_ERR(prev)) {
+ fq = prev;
if (!refcount_inc_not_zero(&fq->refcnt))
fq = NULL;
- rcu_read_unlock();
- return fq;
}
rcu_read_unlock();
-
- return inet_frag_create(nf, key);
+ return fq;
}
EXPORT_SYMBOL(inet_frag_find);
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 1dae5f2b358f..c8cf4d10c435 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -258,7 +258,8 @@ static int tcf_mirred_act(struct sk_buff *skb, const struct tc_action *a,
if (is_redirect) {
skb2->tc_redirected = 1;
skb2->tc_from_ingress = skb2->tc_at_ingress;
-
+ if (skb2->tc_from_ingress)
+ skb2->tstamp = 0;
/* let's the caller reinsert the packet, if possible */
if (use_reinsert) {
res->ingress = want_ingress;
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index 9aada2d0ef06..c6c327874abc 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -709,11 +709,23 @@ static int fl_set_enc_opt(struct nlattr **tb, struct fl_flow_key *key,
struct netlink_ext_ack *extack)
{
const struct nlattr *nla_enc_key, *nla_opt_key, *nla_opt_msk = NULL;
- int option_len, key_depth, msk_depth = 0;
+ int err, option_len, key_depth, msk_depth = 0;
+
+ err = nla_validate_nested(tb[TCA_FLOWER_KEY_ENC_OPTS],
+ TCA_FLOWER_KEY_ENC_OPTS_MAX,
+ enc_opts_policy, extack);
+ if (err)
+ return err;
nla_enc_key = nla_data(tb[TCA_FLOWER_KEY_ENC_OPTS]);
if (tb[TCA_FLOWER_KEY_ENC_OPTS_MASK]) {
+ err = nla_validate_nested(tb[TCA_FLOWER_KEY_ENC_OPTS_MASK],
+ TCA_FLOWER_KEY_ENC_OPTS_MAX,
+ enc_opts_policy, extack);
+ if (err)
+ return err;
+
nla_opt_msk = nla_data(tb[TCA_FLOWER_KEY_ENC_OPTS_MASK]);
msk_depth = nla_len(tb[TCA_FLOWER_KEY_ENC_OPTS_MASK]);
}
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 57b3ad9394ad..2c38e3d07924 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -648,15 +648,6 @@ deliver:
*/
skb->dev = qdisc_dev(sch);
-#ifdef CONFIG_NET_CLS_ACT
- /*
- * If it's at ingress let's pretend the delay is
- * from the network (tstamp will be updated).
- */
- if (skb->tc_redirected && skb->tc_from_ingress)
- skb->tstamp = 0;
-#endif
-
if (q->slot.slot_next) {
q->slot.packets_left--;
q->slot.bytes_left -= qdisc_pkt_len(skb);
diff --git a/net/tipc/link.c b/net/tipc/link.c
index aefb5b40c535..9e265eb89726 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -1598,14 +1598,17 @@ static int tipc_link_proto_rcv(struct tipc_link *l, struct sk_buff *skb,
if (in_range(peers_prio, l->priority + 1, TIPC_MAX_LINK_PRI))
l->priority = peers_prio;
- /* ACTIVATE_MSG serves as PEER_RESET if link is already down */
- if (msg_peer_stopping(hdr))
+ /* If peer is going down we want full re-establish cycle */
+ if (msg_peer_stopping(hdr)) {
rc = tipc_link_fsm_evt(l, LINK_FAILURE_EVT);
- else if ((mtyp == RESET_MSG) || !link_is_up(l))
+ break;
+ }
+ /* ACTIVATE_MSG serves as PEER_RESET if link is already down */
+ if (mtyp == RESET_MSG || !link_is_up(l))
rc = tipc_link_fsm_evt(l, LINK_PEER_RESET_EVT);
/* ACTIVATE_MSG takes up link if it was already locally reset */
- if ((mtyp == ACTIVATE_MSG) && (l->state == LINK_ESTABLISHING))
+ if (mtyp == ACTIVATE_MSG && l->state == LINK_ESTABLISHING)
rc = TIPC_LINK_UP_EVT;
l->peer_session = msg_session(hdr);
diff --git a/scripts/kconfig/merge_config.sh b/scripts/kconfig/merge_config.sh
index da66e7742282..0ef906499646 100755
--- a/scripts/kconfig/merge_config.sh
+++ b/scripts/kconfig/merge_config.sh
@@ -102,7 +102,8 @@ if [ ! -r "$INITFILE" ]; then
fi
MERGE_LIST=$*
-SED_CONFIG_EXP="s/^\(# \)\{0,1\}\(${CONFIG_PREFIX}[a-zA-Z0-9_]*\)[= ].*/\2/p"
+SED_CONFIG_EXP1="s/^\(${CONFIG_PREFIX}[a-zA-Z0-9_]*\)=.*/\1/p"
+SED_CONFIG_EXP2="s/^# \(${CONFIG_PREFIX}[a-zA-Z0-9_]*\) is not set$/\1/p"
TMP_FILE=$(mktemp ./.tmp.config.XXXXXXXXXX)
@@ -116,7 +117,7 @@ for MERGE_FILE in $MERGE_LIST ; do
echo "The merge file '$MERGE_FILE' does not exist. Exit." >&2
exit 1
fi
- CFG_LIST=$(sed -n "$SED_CONFIG_EXP" $MERGE_FILE)
+ CFG_LIST=$(sed -n -e "$SED_CONFIG_EXP1" -e "$SED_CONFIG_EXP2" $MERGE_FILE)
for CFG in $CFG_LIST ; do
grep -q -w $CFG $TMP_FILE || continue
@@ -159,7 +160,7 @@ make KCONFIG_ALLCONFIG=$TMP_FILE $OUTPUT_ARG $ALLTARGET
# Check all specified config values took (might have missed-dependency issues)
-for CFG in $(sed -n "$SED_CONFIG_EXP" $TMP_FILE); do
+for CFG in $(sed -n -e "$SED_CONFIG_EXP1" -e "$SED_CONFIG_EXP2" $TMP_FILE); do
REQUESTED_VAL=$(grep -w -e "$CFG" $TMP_FILE)
ACTUAL_VAL=$(grep -w -e "$CFG" "$KCONFIG_CONFIG")
diff --git a/scripts/package/builddeb b/scripts/package/builddeb
index 90c9a8ac7adb..f43a274f4f1d 100755
--- a/scripts/package/builddeb
+++ b/scripts/package/builddeb
@@ -81,11 +81,11 @@ else
cp System.map "$tmpdir/boot/System.map-$version"
cp $KCONFIG_CONFIG "$tmpdir/boot/config-$version"
fi
-cp "$($MAKE -s image_name)" "$tmpdir/$installed_image_path"
+cp "$($MAKE -s -f $srctree/Makefile image_name)" "$tmpdir/$installed_image_path"
-if grep -q "^CONFIG_OF=y" $KCONFIG_CONFIG ; then
+if grep -q "^CONFIG_OF_EARLY_FLATTREE=y" $KCONFIG_CONFIG ; then
# Only some architectures with OF support have this target
- if grep -q dtbs_install "${srctree}/arch/$SRCARCH/Makefile"; then
+ if [ -d "${srctree}/arch/$SRCARCH/boot/dts" ]; then
$MAKE KBUILD_SRC= INSTALL_DTBS_PATH="$tmpdir/usr/lib/$packagename" dtbs_install
fi
fi
diff --git a/scripts/package/mkdebian b/scripts/package/mkdebian
index 663a7f343b42..edcad61fe3cd 100755
--- a/scripts/package/mkdebian
+++ b/scripts/package/mkdebian
@@ -88,6 +88,7 @@ set_debarch() {
version=$KERNELRELEASE
if [ -n "$KDEB_PKGVERSION" ]; then
packageversion=$KDEB_PKGVERSION
+ revision=${packageversion##*-}
else
revision=$(cat .version 2>/dev/null||echo 1)
packageversion=$version-$revision
@@ -205,10 +206,12 @@ cat <<EOF > debian/rules
#!$(command -v $MAKE) -f
build:
- \$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} KBUILD_SRC=
+ \$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} \
+ KBUILD_BUILD_VERSION=${revision} KBUILD_SRC=
binary-arch:
- \$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} KBUILD_SRC= intdeb-pkg
+ \$(MAKE) KERNELRELEASE=${version} ARCH=${ARCH} \
+ KBUILD_BUILD_VERSION=${revision} KBUILD_SRC= intdeb-pkg
clean:
rm -rf debian/*tmp debian/files
diff --git a/scripts/package/mkspec b/scripts/package/mkspec
index e05646dc24dc..009147d4718e 100755
--- a/scripts/package/mkspec
+++ b/scripts/package/mkspec
@@ -12,6 +12,7 @@
# how we were called determines which rpms we build and how we build them
if [ "$1" = prebuilt ]; then
S=DEL
+ MAKE="$MAKE -f $srctree/Makefile"
else
S=
fi
@@ -78,19 +79,19 @@ $S %prep
$S %setup -q
$S
$S %build
-$S make %{?_smp_mflags} KBUILD_BUILD_VERSION=%{release}
+$S $MAKE %{?_smp_mflags} KBUILD_BUILD_VERSION=%{release}
$S
%install
mkdir -p %{buildroot}/boot
%ifarch ia64
mkdir -p %{buildroot}/boot/efi
- cp \$(make image_name) %{buildroot}/boot/efi/vmlinuz-$KERNELRELEASE
+ cp \$($MAKE image_name) %{buildroot}/boot/efi/vmlinuz-$KERNELRELEASE
ln -s efi/vmlinuz-$KERNELRELEASE %{buildroot}/boot/
%else
- cp \$(make image_name) %{buildroot}/boot/vmlinuz-$KERNELRELEASE
+ cp \$($MAKE image_name) %{buildroot}/boot/vmlinuz-$KERNELRELEASE
%endif
-$M make %{?_smp_mflags} INSTALL_MOD_PATH=%{buildroot} KBUILD_SRC= modules_install
- make %{?_smp_mflags} INSTALL_HDR_PATH=%{buildroot}/usr KBUILD_SRC= headers_install
+$M $MAKE %{?_smp_mflags} INSTALL_MOD_PATH=%{buildroot} modules_install
+ $MAKE %{?_smp_mflags} INSTALL_HDR_PATH=%{buildroot}/usr headers_install
cp System.map %{buildroot}/boot/System.map-$KERNELRELEASE
cp .config %{buildroot}/boot/config-$KERNELRELEASE
bzip2 -9 --keep vmlinux
diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index 79f7dd57d571..71f39410691b 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -74,7 +74,7 @@ scm_version()
fi
# Check for uncommitted changes
- if git status -uno --porcelain | grep -qv '^.. scripts/package'; then
+ if git diff-index --name-only HEAD | grep -qv "^scripts/package"; then
printf '%s' -dirty
fi
diff --git a/sound/pci/hda/thinkpad_helper.c b/sound/pci/hda/thinkpad_helper.c
index 97f49b751e6e..568575b72f2f 100644
--- a/sound/pci/hda/thinkpad_helper.c
+++ b/sound/pci/hda/thinkpad_helper.c
@@ -58,8 +58,8 @@ static void hda_fixup_thinkpad_acpi(struct hda_codec *codec,
removefunc = false;
}
if (led_set_func(TPACPI_LED_MICMUTE, false) >= 0 &&
- snd_hda_gen_add_micmute_led(codec,
- update_tpacpi_micmute) > 0)
+ !snd_hda_gen_add_micmute_led(codec,
+ update_tpacpi_micmute))
removefunc = false;
}
diff --git a/tools/arch/arm64/include/asm/barrier.h b/tools/arch/arm64/include/asm/barrier.h
index 12835ea0e417..378c051fa177 100644
--- a/tools/arch/arm64/include/asm/barrier.h
+++ b/tools/arch/arm64/include/asm/barrier.h
@@ -14,74 +14,75 @@
#define wmb() asm volatile("dmb ishst" ::: "memory")
#define rmb() asm volatile("dmb ishld" ::: "memory")
-#define smp_store_release(p, v) \
-do { \
- union { typeof(*p) __val; char __c[1]; } __u = \
- { .__val = (__force typeof(*p)) (v) }; \
- \
- switch (sizeof(*p)) { \
- case 1: \
- asm volatile ("stlrb %w1, %0" \
- : "=Q" (*p) \
- : "r" (*(__u8 *)__u.__c) \
- : "memory"); \
- break; \
- case 2: \
- asm volatile ("stlrh %w1, %0" \
- : "=Q" (*p) \
- : "r" (*(__u16 *)__u.__c) \
- : "memory"); \
- break; \
- case 4: \
- asm volatile ("stlr %w1, %0" \
- : "=Q" (*p) \
- : "r" (*(__u32 *)__u.__c) \
- : "memory"); \
- break; \
- case 8: \
- asm volatile ("stlr %1, %0" \
- : "=Q" (*p) \
- : "r" (*(__u64 *)__u.__c) \
- : "memory"); \
- break; \
- default: \
- /* Only to shut up gcc ... */ \
- mb(); \
- break; \
- } \
+#define smp_store_release(p, v) \
+do { \
+ union { typeof(*p) __val; char __c[1]; } __u = \
+ { .__val = (v) }; \
+ \
+ switch (sizeof(*p)) { \
+ case 1: \
+ asm volatile ("stlrb %w1, %0" \
+ : "=Q" (*p) \
+ : "r" (*(__u8_alias_t *)__u.__c) \
+ : "memory"); \
+ break; \
+ case 2: \
+ asm volatile ("stlrh %w1, %0" \
+ : "=Q" (*p) \
+ : "r" (*(__u16_alias_t *)__u.__c) \
+ : "memory"); \
+ break; \
+ case 4: \
+ asm volatile ("stlr %w1, %0" \
+ : "=Q" (*p) \
+ : "r" (*(__u32_alias_t *)__u.__c) \
+ : "memory"); \
+ break; \
+ case 8: \
+ asm volatile ("stlr %1, %0" \
+ : "=Q" (*p) \
+ : "r" (*(__u64_alias_t *)__u.__c) \
+ : "memory"); \
+ break; \
+ default: \
+ /* Only to shut up gcc ... */ \
+ mb(); \
+ break; \
+ } \
} while (0)
-#define smp_load_acquire(p) \
-({ \
- union { typeof(*p) __val; char __c[1]; } __u; \
- \
- switch (sizeof(*p)) { \
- case 1: \
- asm volatile ("ldarb %w0, %1" \
- : "=r" (*(__u8 *)__u.__c) \
- : "Q" (*p) : "memory"); \
- break; \
- case 2: \
- asm volatile ("ldarh %w0, %1" \
- : "=r" (*(__u16 *)__u.__c) \
- : "Q" (*p) : "memory"); \
- break; \
- case 4: \
- asm volatile ("ldar %w0, %1" \
- : "=r" (*(__u32 *)__u.__c) \
- : "Q" (*p) : "memory"); \
- break; \
- case 8: \
- asm volatile ("ldar %0, %1" \
- : "=r" (*(__u64 *)__u.__c) \
- : "Q" (*p) : "memory"); \
- break; \
- default: \
- /* Only to shut up gcc ... */ \
- mb(); \
- break; \
- } \
- __u.__val; \
+#define smp_load_acquire(p) \
+({ \
+ union { typeof(*p) __val; char __c[1]; } __u = \
+ { .__c = { 0 } }; \
+ \
+ switch (sizeof(*p)) { \
+ case 1: \
+ asm volatile ("ldarb %w0, %1" \
+ : "=r" (*(__u8_alias_t *)__u.__c) \
+ : "Q" (*p) : "memory"); \
+ break; \
+ case 2: \
+ asm volatile ("ldarh %w0, %1" \
+ : "=r" (*(__u16_alias_t *)__u.__c) \
+ : "Q" (*p) : "memory"); \
+ break; \
+ case 4: \
+ asm volatile ("ldar %w0, %1" \
+ : "=r" (*(__u32_alias_t *)__u.__c) \
+ : "Q" (*p) : "memory"); \
+ break; \
+ case 8: \
+ asm volatile ("ldar %0, %1" \
+ : "=r" (*(__u64_alias_t *)__u.__c) \
+ : "Q" (*p) : "memory"); \
+ break; \
+ default: \
+ /* Only to shut up gcc ... */ \
+ mb(); \
+ break; \
+ } \
+ __u.__val; \
})
#endif /* _TOOLS_LINUX_ASM_AARCH64_BARRIER_H */
diff --git a/tools/perf/Documentation/perf-list.txt b/tools/perf/Documentation/perf-list.txt
index 236b9b97dfdb..667c14e56031 100644
--- a/tools/perf/Documentation/perf-list.txt
+++ b/tools/perf/Documentation/perf-list.txt
@@ -55,7 +55,6 @@ counted. The following modifiers exist:
S - read sample value (PERF_SAMPLE_READ)
D - pin the event to the PMU
W - group is weak and will fallback to non-group if not schedulable,
- only supported in 'perf stat' for now.
The 'p' modifier can be used for specifying how precise the instruction
address should be. The 'p' modifier can be specified multiple times:
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 3ccb4f0bf088..d95655489f7e 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -387,7 +387,7 @@ SHELL = $(SHELL_PATH)
linux_uapi_dir := $(srctree)/tools/include/uapi/linux
asm_generic_uapi_dir := $(srctree)/tools/include/uapi/asm-generic
-arch_asm_uapi_dir := $(srctree)/tools/arch/$(ARCH)/include/uapi/asm/
+arch_asm_uapi_dir := $(srctree)/tools/arch/$(SRCARCH)/include/uapi/asm/
beauty_outdir := $(OUTPUT)trace/beauty/generated
beauty_ioctl_outdir := $(beauty_outdir)/ioctl
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 10cf889c6d75..488779bc4c8d 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -391,7 +391,12 @@ try_again:
ui__warning("%s\n", msg);
goto try_again;
}
-
+ if ((errno == EINVAL || errno == EBADF) &&
+ pos->leader != pos &&
+ pos->weak_group) {
+ pos = perf_evlist__reset_weak_group(evlist, pos);
+ goto try_again;
+ }
rc = -errno;
perf_evsel__open_strerror(pos, &opts->target,
errno, msg, sizeof(msg));
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index d1028d7755bb..a635abfa77b6 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -383,32 +383,6 @@ static bool perf_evsel__should_store_id(struct perf_evsel *counter)
return STAT_RECORD || counter->attr.read_format & PERF_FORMAT_ID;
}
-static struct perf_evsel *perf_evsel__reset_weak_group(struct perf_evsel *evsel)
-{
- struct perf_evsel *c2, *leader;
- bool is_open = true;
-
- leader = evsel->leader;
- pr_debug("Weak group for %s/%d failed\n",
- leader->name, leader->nr_members);
-
- /*
- * for_each_group_member doesn't work here because it doesn't
- * include the first entry.
- */
- evlist__for_each_entry(evsel_list, c2) {
- if (c2 == evsel)
- is_open = false;
- if (c2->leader == leader) {
- if (is_open)
- perf_evsel__close(c2);
- c2->leader = c2;
- c2->nr_members = 0;
- }
- }
- return leader;
-}
-
static bool is_target_alive(struct target *_target,
struct thread_map *threads)
{
@@ -477,7 +451,7 @@ try_again:
if ((errno == EINVAL || errno == EBADF) &&
counter->leader != counter &&
counter->weak_group) {
- counter = perf_evsel__reset_weak_group(counter);
+ counter = perf_evlist__reset_weak_group(evsel_list, counter);
goto try_again;
}
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index b2838de13de0..aa0c73e57924 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1429,6 +1429,9 @@ int cmd_top(int argc, const char **argv)
}
}
+ if (opts->branch_stack && callchain_param.enabled)
+ symbol_conf.show_branchflag_count = true;
+
sort__mode = SORT_MODE__TOP;
/* display thread wants entries to be collapsed in a different tree */
perf_hpp_list.need_collapse = 1;
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index dc8a6c4986ce..835619476370 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -108,6 +108,7 @@ struct trace {
} stats;
unsigned int max_stack;
unsigned int min_stack;
+ bool raw_augmented_syscalls;
bool not_ev_qualifier;
bool live;
bool full_time;
@@ -1724,13 +1725,28 @@ static int trace__fprintf_sample(struct trace *trace, struct perf_evsel *evsel,
return printed;
}
-static void *syscall__augmented_args(struct syscall *sc, struct perf_sample *sample, int *augmented_args_size)
+static void *syscall__augmented_args(struct syscall *sc, struct perf_sample *sample, int *augmented_args_size, bool raw_augmented)
{
void *augmented_args = NULL;
+ /*
+ * For now with BPF raw_augmented we hook into raw_syscalls:sys_enter
+ * and there we get all 6 syscall args plus the tracepoint common
+ * fields (sizeof(long)) and the syscall_nr (another long). So we check
+ * if that is the case and if so don't look after the sc->args_size,
+ * but always after the full raw_syscalls:sys_enter payload, which is
+ * fixed.
+ *
+ * We'll revisit this later to pass s->args_size to the BPF augmenter
+ * (now tools/perf/examples/bpf/augmented_raw_syscalls.c, so that it
+ * copies only what we need for each syscall, like what happens when we
+ * use syscalls:sys_enter_NAME, so that we reduce the kernel/userspace
+ * traffic to just what is needed for each syscall.
+ */
+ int args_size = raw_augmented ? (8 * (int)sizeof(long)) : sc->args_size;
- *augmented_args_size = sample->raw_size - sc->args_size;
+ *augmented_args_size = sample->raw_size - args_size;
if (*augmented_args_size > 0)
- augmented_args = sample->raw_data + sc->args_size;
+ augmented_args = sample->raw_data + args_size;
return augmented_args;
}
@@ -1780,7 +1796,7 @@ static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel,
* here and avoid using augmented syscalls when the evsel is the raw_syscalls one.
*/
if (evsel != trace->syscalls.events.sys_enter)
- augmented_args = syscall__augmented_args(sc, sample, &augmented_args_size);
+ augmented_args = syscall__augmented_args(sc, sample, &augmented_args_size, trace->raw_augmented_syscalls);
ttrace->entry_time = sample->time;
msg = ttrace->entry_str;
printed += scnprintf(msg + printed, trace__entry_str_size - printed, "%s(", sc->name);
@@ -1833,7 +1849,7 @@ static int trace__fprintf_sys_enter(struct trace *trace, struct perf_evsel *evse
goto out_put;
args = perf_evsel__sc_tp_ptr(evsel, args, sample);
- augmented_args = syscall__augmented_args(sc, sample, &augmented_args_size);
+ augmented_args = syscall__augmented_args(sc, sample, &augmented_args_size, trace->raw_augmented_syscalls);
syscall__scnprintf_args(sc, msg, sizeof(msg), args, augmented_args, augmented_args_size, trace, thread);
fprintf(trace->output, "%s", msg);
err = 0;
@@ -3501,7 +3517,15 @@ int cmd_trace(int argc, const char **argv)
evsel->handler = trace__sys_enter;
evlist__for_each_entry(trace.evlist, evsel) {
+ bool raw_syscalls_sys_exit = strcmp(perf_evsel__name(evsel), "raw_syscalls:sys_exit") == 0;
+
+ if (raw_syscalls_sys_exit) {
+ trace.raw_augmented_syscalls = true;
+ goto init_augmented_syscall_tp;
+ }
+
if (strstarts(perf_evsel__name(evsel), "syscalls:sys_exit_")) {
+init_augmented_syscall_tp:
perf_evsel__init_augmented_syscall_tp(evsel);
perf_evsel__init_augmented_syscall_tp_ret(evsel);
evsel->handler = trace__sys_exit;
diff --git a/tools/perf/examples/bpf/augmented_raw_syscalls.c b/tools/perf/examples/bpf/augmented_raw_syscalls.c
new file mode 100644
index 000000000000..90a19336310b
--- /dev/null
+++ b/tools/perf/examples/bpf/augmented_raw_syscalls.c
@@ -0,0 +1,131 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Augment the raw_syscalls tracepoints with the contents of the pointer arguments.
+ *
+ * Test it with:
+ *
+ * perf trace -e tools/perf/examples/bpf/augmented_raw_syscalls.c cat /etc/passwd > /dev/null
+ *
+ * This exactly matches what is marshalled into the raw_syscall:sys_enter
+ * payload expected by the 'perf trace' beautifiers.
+ *
+ * For now it just uses the existing tracepoint augmentation code in 'perf
+ * trace', in the next csets we'll hook up these with the sys_enter/sys_exit
+ * code that will combine entry/exit in a strace like way.
+ */
+
+#include <stdio.h>
+#include <linux/socket.h>
+
+/* bpf-output associated map */
+struct bpf_map SEC("maps") __augmented_syscalls__ = {
+ .type = BPF_MAP_TYPE_PERF_EVENT_ARRAY,
+ .key_size = sizeof(int),
+ .value_size = sizeof(u32),
+ .max_entries = __NR_CPUS__,
+};
+
+struct syscall_enter_args {
+ unsigned long long common_tp_fields;
+ long syscall_nr;
+ unsigned long args[6];
+};
+
+struct syscall_exit_args {
+ unsigned long long common_tp_fields;
+ long syscall_nr;
+ long ret;
+};
+
+struct augmented_filename {
+ unsigned int size;
+ int reserved;
+ char value[256];
+};
+
+#define SYS_OPEN 2
+#define SYS_OPENAT 257
+
+SEC("raw_syscalls:sys_enter")
+int sys_enter(struct syscall_enter_args *args)
+{
+ struct {
+ struct syscall_enter_args args;
+ struct augmented_filename filename;
+ } augmented_args;
+ unsigned int len = sizeof(augmented_args);
+ const void *filename_arg = NULL;
+
+ probe_read(&augmented_args.args, sizeof(augmented_args.args), args);
+ /*
+ * Yonghong and Edward Cree sayz:
+ *
+ * https://www.spinics.net/lists/netdev/msg531645.html
+ *
+ * >> R0=inv(id=0) R1=inv2 R6=ctx(id=0,off=0,imm=0) R7=inv64 R10=fp0,call_-1
+ * >> 10: (bf) r1 = r6
+ * >> 11: (07) r1 += 16
+ * >> 12: (05) goto pc+2
+ * >> 15: (79) r3 = *(u64 *)(r1 +0)
+ * >> dereference of modified ctx ptr R1 off=16 disallowed
+ * > Aha, we at least got a different error message this time.
+ * > And indeed llvm has done that optimisation, rather than the more obvious
+ * > 11: r3 = *(u64 *)(r1 +16)
+ * > because it wants to have lots of reads share a single insn. You may be able
+ * > to defeat that optimisation by adding compiler barriers, idk. Maybe someone
+ * > with llvm knowledge can figure out how to stop it (ideally, llvm would know
+ * > when it's generating for bpf backend and not do that). -O0? ¯\_(ツ)_/¯
+ *
+ * The optimization mostly likes below:
+ *
+ * br1:
+ * ...
+ * r1 += 16
+ * goto merge
+ * br2:
+ * ...
+ * r1 += 20
+ * goto merge
+ * merge:
+ * *(u64 *)(r1 + 0)
+ *
+ * The compiler tries to merge common loads. There is no easy way to
+ * stop this compiler optimization without turning off a lot of other
+ * optimizations. The easiest way is to add barriers:
+ *
+ * __asm__ __volatile__("": : :"memory")
+ *
+ * after the ctx memory access to prevent their down stream merging.
+ */
+ switch (augmented_args.args.syscall_nr) {
+ case SYS_OPEN: filename_arg = (const void *)args->args[0];
+ __asm__ __volatile__("": : :"memory");
+ break;
+ case SYS_OPENAT: filename_arg = (const void *)args->args[1];
+ break;
+ }
+
+ if (filename_arg != NULL) {
+ augmented_args.filename.reserved = 0;
+ augmented_args.filename.size = probe_read_str(&augmented_args.filename.value,
+ sizeof(augmented_args.filename.value),
+ filename_arg);
+ if (augmented_args.filename.size < sizeof(augmented_args.filename.value)) {
+ len -= sizeof(augmented_args.filename.value) - augmented_args.filename.size;
+ len &= sizeof(augmented_args.filename.value) - 1;
+ }
+ } else {
+ len = sizeof(augmented_args.args);
+ }
+
+ perf_event_output(args, &__augmented_syscalls__, BPF_F_CURRENT_CPU, &augmented_args, len);
+ return 0;
+}
+
+SEC("raw_syscalls:sys_exit")
+int sys_exit(struct syscall_exit_args *args)
+{
+ return 1; /* 0 as soon as we start copying data returned by the kernel, e.g. 'read' */
+}
+
+license(GPL);
diff --git a/tools/perf/jvmti/jvmti_agent.c b/tools/perf/jvmti/jvmti_agent.c
index ac1bcdc17dae..f7eb63cbbc65 100644
--- a/tools/perf/jvmti/jvmti_agent.c
+++ b/tools/perf/jvmti/jvmti_agent.c
@@ -125,7 +125,7 @@ perf_get_timestamp(void)
}
static int
-debug_cache_init(void)
+create_jit_cache_dir(void)
{
char str[32];
char *base, *p;
@@ -144,8 +144,13 @@ debug_cache_init(void)
strftime(str, sizeof(str), JIT_LANG"-jit-%Y%m%d", &tm);
- snprintf(jit_path, PATH_MAX - 1, "%s/.debug/", base);
-
+ ret = snprintf(jit_path, PATH_MAX, "%s/.debug/", base);
+ if (ret >= PATH_MAX) {
+ warnx("jvmti: cannot generate jit cache dir because %s/.debug/"
+ " is too long, please check the cwd, JITDUMPDIR, and"
+ " HOME variables", base);
+ return -1;
+ }
ret = mkdir(jit_path, 0755);
if (ret == -1) {
if (errno != EEXIST) {
@@ -154,20 +159,32 @@ debug_cache_init(void)
}
}
- snprintf(jit_path, PATH_MAX - 1, "%s/.debug/jit", base);
+ ret = snprintf(jit_path, PATH_MAX, "%s/.debug/jit", base);
+ if (ret >= PATH_MAX) {
+ warnx("jvmti: cannot generate jit cache dir because"
+ " %s/.debug/jit is too long, please check the cwd,"
+ " JITDUMPDIR, and HOME variables", base);
+ return -1;
+ }
ret = mkdir(jit_path, 0755);
if (ret == -1) {
if (errno != EEXIST) {
- warn("cannot create jit cache dir %s", jit_path);
+ warn("jvmti: cannot create jit cache dir %s", jit_path);
return -1;
}
}
- snprintf(jit_path, PATH_MAX - 1, "%s/.debug/jit/%s.XXXXXXXX", base, str);
-
+ ret = snprintf(jit_path, PATH_MAX, "%s/.debug/jit/%s.XXXXXXXX", base, str);
+ if (ret >= PATH_MAX) {
+ warnx("jvmti: cannot generate jit cache dir because"
+ " %s/.debug/jit/%s.XXXXXXXX is too long, please check"
+ " the cwd, JITDUMPDIR, and HOME variables",
+ base, str);
+ return -1;
+ }
p = mkdtemp(jit_path);
if (p != jit_path) {
- warn("cannot create jit cache dir %s", jit_path);
+ warn("jvmti: cannot create jit cache dir %s", jit_path);
return -1;
}
@@ -228,7 +245,7 @@ void *jvmti_open(void)
{
char dump_path[PATH_MAX];
struct jitheader header;
- int fd;
+ int fd, ret;
FILE *fp;
init_arch_timestamp();
@@ -245,12 +262,22 @@ void *jvmti_open(void)
memset(&header, 0, sizeof(header));
- debug_cache_init();
+ /*
+ * jitdump file dir
+ */
+ if (create_jit_cache_dir() < 0)
+ return NULL;
/*
* jitdump file name
*/
- scnprintf(dump_path, PATH_MAX, "%s/jit-%i.dump", jit_path, getpid());
+ ret = snprintf(dump_path, PATH_MAX, "%s/jit-%i.dump", jit_path, getpid());
+ if (ret >= PATH_MAX) {
+ warnx("jvmti: cannot generate jitdump file full path because"
+ " %s/jit-%i.dump is too long, please check the cwd,"
+ " JITDUMPDIR, and HOME variables", jit_path, getpid());
+ return NULL;
+ }
fd = open(dump_path, O_CREAT|O_TRUNC|O_RDWR, 0666);
if (fd == -1)
diff --git a/tools/perf/scripts/python/exported-sql-viewer.py b/tools/perf/scripts/python/exported-sql-viewer.py
index 24cb0bd56afa..f278ce5ebab7 100755
--- a/tools/perf/scripts/python/exported-sql-viewer.py
+++ b/tools/perf/scripts/python/exported-sql-viewer.py
@@ -119,6 +119,14 @@ def dsoname(name):
return "[kernel]"
return name
+def findnth(s, sub, n, offs=0):
+ pos = s.find(sub)
+ if pos < 0:
+ return pos
+ if n <= 1:
+ return offs + pos
+ return findnth(s[pos + 1:], sub, n - 1, offs + pos + 1)
+
# Percent to one decimal place
def PercentToOneDP(n, d):
@@ -1464,6 +1472,317 @@ class BranchWindow(QMdiSubWindow):
else:
self.find_bar.NotFound()
+# Dialog data item converted and validated using a SQL table
+
+class SQLTableDialogDataItem():
+
+ def __init__(self, glb, label, placeholder_text, table_name, match_column, column_name1, column_name2, parent):
+ self.glb = glb
+ self.label = label
+ self.placeholder_text = placeholder_text
+ self.table_name = table_name
+ self.match_column = match_column
+ self.column_name1 = column_name1
+ self.column_name2 = column_name2
+ self.parent = parent
+
+ self.value = ""
+
+ self.widget = QLineEdit()
+ self.widget.editingFinished.connect(self.Validate)
+ self.widget.textChanged.connect(self.Invalidate)
+ self.red = False
+ self.error = ""
+ self.validated = True
+
+ self.last_id = 0
+ self.first_time = 0
+ self.last_time = 2 ** 64
+ if self.table_name == "<timeranges>":
+ query = QSqlQuery(self.glb.db)
+ QueryExec(query, "SELECT id, time FROM samples ORDER BY id DESC LIMIT 1")
+ if query.next():
+ self.last_id = int(query.value(0))
+ self.last_time = int(query.value(1))
+ QueryExec(query, "SELECT time FROM samples WHERE time != 0 ORDER BY id LIMIT 1")
+ if query.next():
+ self.first_time = int(query.value(0))
+ if placeholder_text:
+ placeholder_text += ", between " + str(self.first_time) + " and " + str(self.last_time)
+
+ if placeholder_text:
+ self.widget.setPlaceholderText(placeholder_text)
+
+ def ValueToIds(self, value):
+ ids = []
+ query = QSqlQuery(self.glb.db)
+ stmt = "SELECT id FROM " + self.table_name + " WHERE " + self.match_column + " = '" + value + "'"
+ ret = query.exec_(stmt)
+ if ret:
+ while query.next():
+ ids.append(str(query.value(0)))
+ return ids
+
+ def IdBetween(self, query, lower_id, higher_id, order):
+ QueryExec(query, "SELECT id FROM samples WHERE id > " + str(lower_id) + " AND id < " + str(higher_id) + " ORDER BY id " + order + " LIMIT 1")
+ if query.next():
+ return True, int(query.value(0))
+ else:
+ return False, 0
+
+ def BinarySearchTime(self, lower_id, higher_id, target_time, get_floor):
+ query = QSqlQuery(self.glb.db)
+ while True:
+ next_id = int((lower_id + higher_id) / 2)
+ QueryExec(query, "SELECT time FROM samples WHERE id = " + str(next_id))
+ if not query.next():
+ ok, dbid = self.IdBetween(query, lower_id, next_id, "DESC")
+ if not ok:
+ ok, dbid = self.IdBetween(query, next_id, higher_id, "")
+ if not ok:
+ return str(higher_id)
+ next_id = dbid
+ QueryExec(query, "SELECT time FROM samples WHERE id = " + str(next_id))
+ next_time = int(query.value(0))
+ if get_floor:
+ if target_time > next_time:
+ lower_id = next_id
+ else:
+ higher_id = next_id
+ if higher_id <= lower_id + 1:
+ return str(higher_id)
+ else:
+ if target_time >= next_time:
+ lower_id = next_id
+ else:
+ higher_id = next_id
+ if higher_id <= lower_id + 1:
+ return str(lower_id)
+
+ def ConvertRelativeTime(self, val):
+ print "val ", val
+ mult = 1
+ suffix = val[-2:]
+ if suffix == "ms":
+ mult = 1000000
+ elif suffix == "us":
+ mult = 1000
+ elif suffix == "ns":
+ mult = 1
+ else:
+ return val
+ val = val[:-2].strip()
+ if not self.IsNumber(val):
+ return val
+ val = int(val) * mult
+ if val >= 0:
+ val += self.first_time
+ else:
+ val += self.last_time
+ return str(val)
+
+ def ConvertTimeRange(self, vrange):
+ print "vrange ", vrange
+ if vrange[0] == "":
+ vrange[0] = str(self.first_time)
+ if vrange[1] == "":
+ vrange[1] = str(self.last_time)
+ vrange[0] = self.ConvertRelativeTime(vrange[0])
+ vrange[1] = self.ConvertRelativeTime(vrange[1])
+ print "vrange2 ", vrange
+ if not self.IsNumber(vrange[0]) or not self.IsNumber(vrange[1]):
+ return False
+ print "ok1"
+ beg_range = max(int(vrange[0]), self.first_time)
+ end_range = min(int(vrange[1]), self.last_time)
+ if beg_range > self.last_time or end_range < self.first_time:
+ return False
+ print "ok2"
+ vrange[0] = self.BinarySearchTime(0, self.last_id, beg_range, True)
+ vrange[1] = self.BinarySearchTime(1, self.last_id + 1, end_range, False)
+ print "vrange3 ", vrange
+ return True
+
+ def AddTimeRange(self, value, ranges):
+ print "value ", value
+ n = value.count("-")
+ if n == 1:
+ pass
+ elif n == 2:
+ if value.split("-")[1].strip() == "":
+ n = 1
+ elif n == 3:
+ n = 2
+ else:
+ return False
+ pos = findnth(value, "-", n)
+ vrange = [value[:pos].strip() ,value[pos+1:].strip()]
+ if self.ConvertTimeRange(vrange):
+ ranges.append(vrange)
+ return True
+ return False
+
+ def InvalidValue(self, value):
+ self.value = ""
+ palette = QPalette()
+ palette.setColor(QPalette.Text,Qt.red)
+ self.widget.setPalette(palette)
+ self.red = True
+ self.error = self.label + " invalid value '" + value + "'"
+ self.parent.ShowMessage(self.error)
+
+ def IsNumber(self, value):
+ try:
+ x = int(value)
+ except:
+ x = 0
+ return str(x) == value
+
+ def Invalidate(self):
+ self.validated = False
+
+ def Validate(self):
+ input_string = self.widget.text()
+ self.validated = True
+ if self.red:
+ palette = QPalette()
+ self.widget.setPalette(palette)
+ self.red = False
+ if not len(input_string.strip()):
+ self.error = ""
+ self.value = ""
+ return
+ if self.table_name == "<timeranges>":
+ ranges = []
+ for value in [x.strip() for x in input_string.split(",")]:
+ if not self.AddTimeRange(value, ranges):
+ return self.InvalidValue(value)
+ ranges = [("(" + self.column_name1 + " >= " + r[0] + " AND " + self.column_name1 + " <= " + r[1] + ")") for r in ranges]
+ self.value = " OR ".join(ranges)
+ elif self.table_name == "<ranges>":
+ singles = []
+ ranges = []
+ for value in [x.strip() for x in input_string.split(",")]:
+ if "-" in value:
+ vrange = value.split("-")
+ if len(vrange) != 2 or not self.IsNumber(vrange[0]) or not self.IsNumber(vrange[1]):
+ return self.InvalidValue(value)
+ ranges.append(vrange)
+ else:
+ if not self.IsNumber(value):
+ return self.InvalidValue(value)
+ singles.append(value)
+ ranges = [("(" + self.column_name1 + " >= " + r[0] + " AND " + self.column_name1 + " <= " + r[1] + ")") for r in ranges]
+ if len(singles):
+ ranges.append(self.column_name1 + " IN (" + ",".join(singles) + ")")
+ self.value = " OR ".join(ranges)
+ elif self.table_name:
+ all_ids = []
+ for value in [x.strip() for x in input_string.split(",")]:
+ ids = self.ValueToIds(value)
+ if len(ids):
+ all_ids.extend(ids)
+ else:
+ return self.InvalidValue(value)
+ self.value = self.column_name1 + " IN (" + ",".join(all_ids) + ")"
+ if self.column_name2:
+ self.value = "( " + self.value + " OR " + self.column_name2 + " IN (" + ",".join(all_ids) + ") )"
+ else:
+ self.value = input_string.strip()
+ self.error = ""
+ self.parent.ClearMessage()
+
+ def IsValid(self):
+ if not self.validated:
+ self.Validate()
+ if len(self.error):
+ self.parent.ShowMessage(self.error)
+ return False
+ return True
+
+# Selected branch report creation dialog
+
+class SelectedBranchDialog(QDialog):
+
+ def __init__(self, glb, parent=None):
+ super(SelectedBranchDialog, self).__init__(parent)
+
+ self.glb = glb
+
+ self.name = ""
+ self.where_clause = ""
+
+ self.setWindowTitle("Selected Branches")
+ self.setMinimumWidth(600)
+
+ items = (
+ ("Report name:", "Enter a name to appear in the window title bar", "", "", "", ""),
+ ("Time ranges:", "Enter time ranges", "<timeranges>", "", "samples.id", ""),
+ ("CPUs:", "Enter CPUs or ranges e.g. 0,5-6", "<ranges>", "", "cpu", ""),
+ ("Commands:", "Only branches with these commands will be included", "comms", "comm", "comm_id", ""),
+ ("PIDs:", "Only branches with these process IDs will be included", "threads", "pid", "thread_id", ""),
+ ("TIDs:", "Only branches with these thread IDs will be included", "threads", "tid", "thread_id", ""),
+ ("DSOs:", "Only branches with these DSOs will be included", "dsos", "short_name", "samples.dso_id", "to_dso_id"),
+ ("Symbols:", "Only branches with these symbols will be included", "symbols", "name", "symbol_id", "to_symbol_id"),
+ ("Raw SQL clause: ", "Enter a raw SQL WHERE clause", "", "", "", ""),
+ )
+ self.data_items = [SQLTableDialogDataItem(glb, *x, parent=self) for x in items]
+
+ self.grid = QGridLayout()
+
+ for row in xrange(len(self.data_items)):
+ self.grid.addWidget(QLabel(self.data_items[row].label), row, 0)
+ self.grid.addWidget(self.data_items[row].widget, row, 1)
+
+ self.status = QLabel()
+
+ self.ok_button = QPushButton("Ok", self)
+ self.ok_button.setDefault(True)
+ self.ok_button.released.connect(self.Ok)
+ self.ok_button.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
+
+ self.cancel_button = QPushButton("Cancel", self)
+ self.cancel_button.released.connect(self.reject)
+ self.cancel_button.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
+
+ self.hbox = QHBoxLayout()
+ #self.hbox.addStretch()
+ self.hbox.addWidget(self.status)
+ self.hbox.addWidget(self.ok_button)
+ self.hbox.addWidget(self.cancel_button)
+
+ self.vbox = QVBoxLayout()
+ self.vbox.addLayout(self.grid)
+ self.vbox.addLayout(self.hbox)
+
+ self.setLayout(self.vbox);
+
+ def Ok(self):
+ self.name = self.data_items[0].value
+ if not self.name:
+ self.ShowMessage("Report name is required")
+ return
+ for d in self.data_items:
+ if not d.IsValid():
+ return
+ for d in self.data_items[1:]:
+ if len(d.value):
+ if len(self.where_clause):
+ self.where_clause += " AND "
+ self.where_clause += d.value
+ if len(self.where_clause):
+ self.where_clause = " AND ( " + self.where_clause + " ) "
+ else:
+ self.ShowMessage("No selection")
+ return
+ self.accept()
+
+ def ShowMessage(self, msg):
+ self.status.setText("<font color=#FF0000>" + msg)
+
+ def ClearMessage(self):
+ self.status.setText("")
+
# Event list
def GetEventList(db):
@@ -1656,7 +1975,7 @@ class TableWindow(QMdiSubWindow, ResizeColumnsToContentsBase):
def FindDone(self, row):
self.find_bar.Idle()
if row >= 0:
- self.view.setCurrentIndex(self.model.index(row, 0, QModelIndex()))
+ self.view.setCurrentIndex(self.model.mapFromSource(self.data_model.index(row, 0, QModelIndex())))
else:
self.find_bar.NotFound()
@@ -1765,6 +2084,149 @@ class WindowMenu():
def setActiveSubWindow(self, nr):
self.mdi_area.setActiveSubWindow(self.mdi_area.subWindowList()[nr - 1])
+# Help text
+
+glb_help_text = """
+<h1>Contents</h1>
+<style>
+p.c1 {
+ text-indent: 40px;
+}
+p.c2 {
+ text-indent: 80px;
+}
+}
+</style>
+<p class=c1><a href=#reports>1. Reports</a></p>
+<p class=c2><a href=#callgraph>1.1 Context-Sensitive Call Graph</a></p>
+<p class=c2><a href=#allbranches>1.2 All branches</a></p>
+<p class=c2><a href=#selectedbranches>1.3 Selected branches</a></p>
+<p class=c1><a href=#tables>2. Tables</a></p>
+<h1 id=reports>1. Reports</h1>
+<h2 id=callgraph>1.1 Context-Sensitive Call Graph</h2>
+The result is a GUI window with a tree representing a context-sensitive
+call-graph. Expanding a couple of levels of the tree and adjusting column
+widths to suit will display something like:
+<pre>
+ Call Graph: pt_example
+Call Path Object Count Time(ns) Time(%) Branch Count Branch Count(%)
+v- ls
+ v- 2638:2638
+ v- _start ld-2.19.so 1 10074071 100.0 211135 100.0
+ |- unknown unknown 1 13198 0.1 1 0.0
+ >- _dl_start ld-2.19.so 1 1400980 13.9 19637 9.3
+ >- _d_linit_internal ld-2.19.so 1 448152 4.4 11094 5.3
+ v-__libc_start_main@plt ls 1 8211741 81.5 180397 85.4
+ >- _dl_fixup ld-2.19.so 1 7607 0.1 108 0.1
+ >- __cxa_atexit libc-2.19.so 1 11737 0.1 10 0.0
+ >- __libc_csu_init ls 1 10354 0.1 10 0.0
+ |- _setjmp libc-2.19.so 1 0 0.0 4 0.0
+ v- main ls 1 8182043 99.6 180254 99.9
+</pre>
+<h3>Points to note:</h3>
+<ul>
+<li>The top level is a command name (comm)</li>
+<li>The next level is a thread (pid:tid)</li>
+<li>Subsequent levels are functions</li>
+<li>'Count' is the number of calls</li>
+<li>'Time' is the elapsed time until the function returns</li>
+<li>Percentages are relative to the level above</li>
+<li>'Branch Count' is the total number of branches for that function and all functions that it calls
+</ul>
+<h3>Find</h3>
+Ctrl-F displays a Find bar which finds function names by either an exact match or a pattern match.
+The pattern matching symbols are ? for any character and * for zero or more characters.
+<h2 id=allbranches>1.2 All branches</h2>
+The All branches report displays all branches in chronological order.
+Not all data is fetched immediately. More records can be fetched using the Fetch bar provided.
+<h3>Disassembly</h3>
+Open a branch to display disassembly. This only works if:
+<ol>
+<li>The disassembler is available. Currently, only Intel XED is supported - see <a href=#xed>Intel XED Setup</a></li>
+<li>The object code is available. Currently, only the perf build ID cache is searched for object code.
+The default directory ~/.debug can be overridden by setting environment variable PERF_BUILDID_DIR.
+One exception is kcore where the DSO long name is used (refer dsos_view on the Tables menu),
+or alternatively, set environment variable PERF_KCORE to the kcore file name.</li>
+</ol>
+<h4 id=xed>Intel XED Setup</h4>
+To use Intel XED, libxed.so must be present. To build and install libxed.so:
+<pre>
+git clone https://github.com/intelxed/mbuild.git mbuild
+git clone https://github.com/intelxed/xed
+cd xed
+./mfile.py --share
+sudo ./mfile.py --prefix=/usr/local install
+sudo ldconfig
+</pre>
+<h3>Find</h3>
+Ctrl-F displays a Find bar which finds substrings by either an exact match or a regular expression match.
+Refer to Python documentation for the regular expression syntax.
+All columns are searched, but only currently fetched rows are searched.
+<h2 id=selectedbranches>1.3 Selected branches</h2>
+This is the same as the <a href=#allbranches>All branches</a> report but with the data reduced
+by various selection criteria. A dialog box displays available criteria which are AND'ed together.
+<h3>1.3.1 Time ranges</h3>
+The time ranges hint text shows the total time range. Relative time ranges can also be entered in
+ms, us or ns. Also, negative values are relative to the end of trace. Examples:
+<pre>
+ 81073085947329-81073085958238 From 81073085947329 to 81073085958238
+ 100us-200us From 100us to 200us
+ 10ms- From 10ms to the end
+ -100ns The first 100ns
+ -10ms- The last 10ms
+</pre>
+N.B. Due to the granularity of timestamps, there could be no branches in any given time range.
+<h1 id=tables>2. Tables</h1>
+The Tables menu shows all tables and views in the database. Most tables have an associated view
+which displays the information in a more friendly way. Not all data for large tables is fetched
+immediately. More records can be fetched using the Fetch bar provided. Columns can be sorted,
+but that can be slow for large tables.
+<p>There are also tables of database meta-information.
+For SQLite3 databases, the sqlite_master table is included.
+For PostgreSQL databases, information_schema.tables/views/columns are included.
+<h3>Find</h3>
+Ctrl-F displays a Find bar which finds substrings by either an exact match or a regular expression match.
+Refer to Python documentation for the regular expression syntax.
+All columns are searched, but only currently fetched rows are searched.
+<p>N.B. Results are found in id order, so if the table is re-ordered, find-next and find-previous
+will go to the next/previous result in id order, instead of display order.
+"""
+
+# Help window
+
+class HelpWindow(QMdiSubWindow):
+
+ def __init__(self, glb, parent=None):
+ super(HelpWindow, self).__init__(parent)
+
+ self.text = QTextBrowser()
+ self.text.setHtml(glb_help_text)
+ self.text.setReadOnly(True)
+ self.text.setOpenExternalLinks(True)
+
+ self.setWidget(self.text)
+
+ AddSubWindow(glb.mainwindow.mdi_area, self, "Exported SQL Viewer Help")
+
+# Main window that only displays the help text
+
+class HelpOnlyWindow(QMainWindow):
+
+ def __init__(self, parent=None):
+ super(HelpOnlyWindow, self).__init__(parent)
+
+ self.setMinimumSize(200, 100)
+ self.resize(800, 600)
+ self.setWindowTitle("Exported SQL Viewer Help")
+ self.setWindowIcon(self.style().standardIcon(QStyle.SP_MessageBoxInformation))
+
+ self.text = QTextBrowser()
+ self.text.setHtml(glb_help_text)
+ self.text.setReadOnly(True)
+ self.text.setOpenExternalLinks(True)
+
+ self.setCentralWidget(self.text)
+
# Font resize
def ResizeFont(widget, diff):
@@ -1851,6 +2313,9 @@ class MainWindow(QMainWindow):
self.window_menu = WindowMenu(self.mdi_area, menu)
+ help_menu = menu.addMenu("&Help")
+ help_menu.addAction(CreateAction("&Exported SQL Viewer Help", "Helpful information", self.Help, self, QKeySequence.HelpContents))
+
def Find(self):
win = self.mdi_area.activeSubWindow()
if win:
@@ -1888,6 +2353,8 @@ class MainWindow(QMainWindow):
if event == "branches":
label = "All branches" if branches_events == 1 else "All branches " + "(id=" + dbid + ")"
reports_menu.addAction(CreateAction(label, "Create a new window displaying branch events", lambda x=dbid: self.NewBranchView(x), self))
+ label = "Selected branches" if branches_events == 1 else "Selected branches " + "(id=" + dbid + ")"
+ reports_menu.addAction(CreateAction(label, "Create a new window displaying branch events", lambda x=dbid: self.NewSelectedBranchView(x), self))
def TableMenu(self, tables, menu):
table_menu = menu.addMenu("&Tables")
@@ -1900,9 +2367,18 @@ class MainWindow(QMainWindow):
def NewBranchView(self, event_id):
BranchWindow(self.glb, event_id, "", "", self)
+ def NewSelectedBranchView(self, event_id):
+ dialog = SelectedBranchDialog(self.glb, self)
+ ret = dialog.exec_()
+ if ret:
+ BranchWindow(self.glb, event_id, dialog.name, dialog.where_clause, self)
+
def NewTableView(self, table_name):
TableWindow(self.glb, table_name, self)
+ def Help(self):
+ HelpWindow(self.glb, self)
+
# XED Disassembler
class xed_state_t(Structure):
@@ -1929,7 +2405,12 @@ class XEDInstruction():
class LibXED():
def __init__(self):
- self.libxed = CDLL("libxed.so")
+ try:
+ self.libxed = CDLL("libxed.so")
+ except:
+ self.libxed = None
+ if not self.libxed:
+ self.libxed = CDLL("/usr/local/lib/libxed.so")
self.xed_tables_init = self.libxed.xed_tables_init
self.xed_tables_init.restype = None
@@ -2097,10 +2578,16 @@ class DBRef():
def Main():
if (len(sys.argv) < 2):
- print >> sys.stderr, "Usage is: exported-sql-viewer.py <database name>"
+ print >> sys.stderr, "Usage is: exported-sql-viewer.py {<database name> | --help-only}"
raise Exception("Too few arguments")
dbname = sys.argv[1]
+ if dbname == "--help-only":
+ app = QApplication(sys.argv)
+ mainwindow = HelpOnlyWindow()
+ mainwindow.show()
+ err = app.exec_()
+ sys.exit(err)
is_sqlite3 = False
try:
diff --git a/tools/perf/tests/attr/test-record-group-sampling b/tools/perf/tests/attr/test-record-group-sampling
index 8a33ca4f9e1f..f0729c454f16 100644
--- a/tools/perf/tests/attr/test-record-group-sampling
+++ b/tools/perf/tests/attr/test-record-group-sampling
@@ -37,4 +37,3 @@ sample_freq=0
sample_period=0
freq=0
write_backward=0
-sample_id_all=0
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index e88e6f9b1463..668d2a9ef0f4 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1810,3 +1810,30 @@ void perf_evlist__force_leader(struct perf_evlist *evlist)
leader->forced_leader = true;
}
}
+
+struct perf_evsel *perf_evlist__reset_weak_group(struct perf_evlist *evsel_list,
+ struct perf_evsel *evsel)
+{
+ struct perf_evsel *c2, *leader;
+ bool is_open = true;
+
+ leader = evsel->leader;
+ pr_debug("Weak group for %s/%d failed\n",
+ leader->name, leader->nr_members);
+
+ /*
+ * for_each_group_member doesn't work here because it doesn't
+ * include the first entry.
+ */
+ evlist__for_each_entry(evsel_list, c2) {
+ if (c2 == evsel)
+ is_open = false;
+ if (c2->leader == leader) {
+ if (is_open)
+ perf_evsel__close(c2);
+ c2->leader = c2;
+ c2->nr_members = 0;
+ }
+ }
+ return leader;
+}
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index dc66436add98..9919eed6d15b 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -312,4 +312,7 @@ bool perf_evlist__exclude_kernel(struct perf_evlist *evlist);
void perf_evlist__force_leader(struct perf_evlist *evlist);
+struct perf_evsel *perf_evlist__reset_weak_group(struct perf_evlist *evlist,
+ struct perf_evsel *evsel);
+
#endif /* __PERF_EVLIST_H */
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 6d187059a373..d37bb1566cd9 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -956,7 +956,6 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts,
attr->sample_freq = 0;
attr->sample_period = 0;
attr->write_backward = 0;
- attr->sample_id_all = 0;
}
if (opts->no_samples)
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
index 58f6a9ceb590..4503f3ca45ab 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -1474,6 +1474,8 @@ static void intel_pt_calc_mtc_timestamp(struct intel_pt_decoder *decoder)
decoder->have_calc_cyc_to_tsc = false;
intel_pt_calc_cyc_to_tsc(decoder, true);
}
+
+ intel_pt_log_to("Setting timestamp", decoder->timestamp);
}
static void intel_pt_calc_cbr(struct intel_pt_decoder *decoder)
@@ -1514,6 +1516,8 @@ static void intel_pt_calc_cyc_timestamp(struct intel_pt_decoder *decoder)
decoder->timestamp = timestamp;
decoder->timestamp_insn_cnt = 0;
+
+ intel_pt_log_to("Setting timestamp", decoder->timestamp);
}
/* Walk PSB+ packets when already in sync. */
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-log.c b/tools/perf/util/intel-pt-decoder/intel-pt-log.c
index e02bc7b166a0..5e64da270f97 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-log.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-log.c
@@ -31,6 +31,11 @@ static FILE *f;
static char log_name[MAX_LOG_NAME];
bool intel_pt_enable_logging;
+void *intel_pt_log_fp(void)
+{
+ return f;
+}
+
void intel_pt_log_enable(void)
{
intel_pt_enable_logging = true;
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-log.h b/tools/perf/util/intel-pt-decoder/intel-pt-log.h
index 45b64f93f358..cc084937f701 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-log.h
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-log.h
@@ -22,6 +22,7 @@
struct intel_pt_pkt;
+void *intel_pt_log_fp(void);
void intel_pt_log_enable(void);
void intel_pt_log_disable(void);
void intel_pt_log_set_name(const char *name);
diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c
index 86cc9a64e982..149ff361ca78 100644
--- a/tools/perf/util/intel-pt.c
+++ b/tools/perf/util/intel-pt.c
@@ -206,6 +206,16 @@ static void intel_pt_dump_event(struct intel_pt *pt, unsigned char *buf,
intel_pt_dump(pt, buf, len);
}
+static void intel_pt_log_event(union perf_event *event)
+{
+ FILE *f = intel_pt_log_fp();
+
+ if (!intel_pt_enable_logging || !f)
+ return;
+
+ perf_event__fprintf(event, f);
+}
+
static int intel_pt_do_fix_overlap(struct intel_pt *pt, struct auxtrace_buffer *a,
struct auxtrace_buffer *b)
{
@@ -2010,9 +2020,9 @@ static int intel_pt_process_event(struct perf_session *session,
event->header.type == PERF_RECORD_SWITCH_CPU_WIDE)
err = intel_pt_context_switch(pt, event, sample);
- intel_pt_log("event %s (%u): cpu %d time %"PRIu64" tsc %#"PRIx64"\n",
- perf_event__name(event->header.type), event->header.type,
- sample->cpu, sample->time, timestamp);
+ intel_pt_log("event %u: cpu %d time %"PRIu64" tsc %#"PRIx64" ",
+ event->header.type, sample->cpu, sample->time, timestamp);
+ intel_pt_log_event(event);
return err;
}
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 7799788f662f..7e49baad304d 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -773,7 +773,7 @@ static void pmu_add_cpu_aliases(struct list_head *head, struct perf_pmu *pmu)
if (!is_arm_pmu_core(name)) {
pname = pe->pmu ? pe->pmu : "cpu";
- if (strncmp(pname, name, strlen(pname)))
+ if (strcmp(pname, name))
continue;
}