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2021-10-20ARM: bcm: Removed forced select of interrupt controllersFlorian Fainelli1-4/+0
Now that the various second level interrupt controllers have been moved to IRQCHIP_PLATFORM_DRIVER and they do default to ARCH_BRCMSTB and ARCH_BCM2835 where relevant, remove their forced selection from the machine entry to allow an user to build them as modules. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20211020184859.2705451-13-f.fainelli@gmail.com
2021-10-20arm64: broadcom: Removed forced select of interrupt controllersFlorian Fainelli1-3/+0
Now that the various second level interrupt controllers have been moved to IRQCHIP_PLATFORM_DRIVER and they do default to ARCH_BRCMSTB and ARCH_BCM2835 where relevant, remove their forced selection from the machine entry to allow an user to build them as modules. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20211020184859.2705451-12-f.fainelli@gmail.com
2021-10-20MIPS: BMIPS: Remove use of irq_cpu_offlineFlorian Fainelli2-1/+3
irq_cpu_offline() is only used by MIPS and we should instead use irq_migrate_all_off_this_cpu(). This will be helpful in order to remove drivers/irqchip/irq-bcm7038-l1.c irq_cpu_offline callback which would have got in the way of making this driver modular. Suggested-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20211020184859.2705451-2-f.fainelli@gmail.com
2021-10-20arm64: meson: remove MESON_IRQ_GPIO selectionNeil Armstrong1-1/+0
Selecting MESON_IRQ_GPIO forces it as built-in, but we may need to build it as a module, thus remove it here and let the "default ARCH_MESON" build as built-in by default with the option to switch it to module. Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Reviewed-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20210902134914.176986-3-narmstrong@baylibre.com
2021-10-20x86: dt: Use of_get_cpu_hwid()Rob Herring1-3/+2
Replace open coded parsing of CPU nodes' 'reg' property with of_get_cpu_hwid(). Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Borislav Petkov <bp@alien8.de> Cc: x86@kernel.org Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20211006164332.1981454-11-robh@kernel.org
2021-10-20sh: Use of_get_cpu_hwid()Rob Herring1-3/+2
Replace open coded parsing of CPU nodes' 'reg' property with of_get_cpu_hwid(). Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: linux-sh@vger.kernel.org Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20211006164332.1981454-10-robh@kernel.org
2021-10-20riscv: Use of_get_cpu_hwid()Rob Herring1-1/+2
Replace open coded parsing of CPU nodes' 'reg' property with of_get_cpu_hwid(). Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Albert Ou <aou@eecs.berkeley.edu> Cc: linux-riscv@lists.infradead.org Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20211006164332.1981454-9-robh@kernel.org
2021-10-20powerpc: Use of_get_cpu_hwid()Rob Herring1-6/+1
Replace open coded parsing of CPU nodes' 'reg' property with of_get_cpu_hwid(). Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: linuxppc-dev@lists.ozlabs.org Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20211006164332.1981454-8-robh@kernel.org
2021-10-20openrisc: Use of_get_cpu_hwid()Rob Herring1-5/+1
Replace open coded parsing of CPU nodes' 'reg' property with of_get_cpu_hwid(). Cc: Jonas Bonn <jonas@southpole.se> Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> Cc: Stafford Horne <shorne@gmail.com> Cc: openrisc@lists.librecores.org Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Stafford Horne <shorne@gmail.com> Link: https://lore.kernel.org/r/20211006164332.1981454-7-robh@kernel.org
2021-10-20csky: Use of_get_cpu_hwid()Rob Herring1-4/+2
Replace open coded parsing of CPU nodes 'reg' property with of_get_cpu_hwid(). Cc: Guo Ren <guoren@kernel.org> Cc: linux-csky@vger.kernel.org Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20211006164332.1981454-6-robh@kernel.org
2021-10-20arm64: Use of_get_cpu_hwid()Rob Herring1-29/+2
Replace the open coded parsing of CPU nodes' 'reg' property with of_get_cpu_hwid(). This change drops an error message for missing 'reg' property, but that should not be necessary as the DT tools will ensure 'reg' is present. Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Signed-off-by: Rob Herring <robh@kernel.org> Tested-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Will Deacon <will@kernel.org> Reviewed-by: Sudeep Holla <sudeep.holla@arm.com> Link: https://lore.kernel.org/r/20211006164332.1981454-5-robh@kernel.org
2021-10-20ARM: broadcom: Use of_get_cpu_hwid()Rob Herring1-3/+3
Replace open coded parsing of CPU nodes 'reg' property with of_get_cpu_hwid(). Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Ray Jui <rjui@broadcom.com> Cc: Scott Branden <sbranden@broadcom.com> Cc: bcm-kernel-feedback-list@broadcom.com Cc: Russell King <linux@armlinux.org.uk> Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Tested-by: Florian Fainelli <f.fainelli@gmail.com> Link: https://lore.kernel.org/r/20211006164332.1981454-4-robh@kernel.org
2021-10-20ARM: Use of_get_cpu_hwid()Rob Herring1-20/+2
Replace the open coded parsing of CPU nodes' 'reg' property with of_get_cpu_hwid(). This change drops an error message for missing 'reg' property, but that should not be necessary as the DT tools will ensure 'reg' is present. Cc: Russell King <linux@armlinux.org.uk> Signed-off-by: Rob Herring <robh@kernel.org> Tested-by: Florian Fainelli <f.fainelli@gmail.com> Link: https://lore.kernel.org/r/20211006164332.1981454-3-robh@kernel.org
2021-10-20signal/sparc32: Remove unreachable do_exit in do_sparc_faultEric W. Biederman1-1/+0
The call to do_exit in do_sparc_fault immediately follows a call to unhandled_fault. The function unhandled_fault never returns. This means the call to do_exit can never be reached. Cc: David Miller <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Fixes: 2.3.41 Link: https://lkml.kernel.org/r/20211020174406.17889-4-ebiederm@xmission.com Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2021-10-20exit: Remove calls of do_exit after noreturn versions of dieEric W. Biederman11-20/+9
On nds32, openrisc, s390, sh, and xtensa the function die never returns. Mark die __noreturn so that no one expects die to return. Remove the do_exit calls after die as they will never be reached. Cc: Jonas Bonn <jonas@southpole.se> Cc: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi> Cc: Stafford Horne <shorne@gmail.com> Cc: openrisc@lists.librecores.org Cc: Nick Hu <nickhu@andestech.com> Cc: Greentime Hu <green.hu@gmail.com> Cc: Vincent Chen <deanbo422@gmail.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Christian Borntraeger <borntraeger@de.ibm.com> Cc: linux-s390@vger.kernel.org Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Rich Felker <dalias@libc.org> Cc: linux-sh@vger.kernel.org Cc: linux-xtensa@linux-xtensa.org Cc: Chris Zankel <chris@zankel.net> Cc: Max Filippov <jcmvbkbc@gmail.com> Fixes: 2.3.16 Fixes: 2.3.99-pre8 Fixes: 3f65ce4d141e ("[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 5") Fixes: 664eec400bf8 ("nds32: MMU fault handling and page table management") Fixes: 61e85e367535 ("OpenRISC: Memory management") Link: https://lkml.kernel.org/r/20211020174406.17889-2-ebiederm@xmission.com Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2021-10-20exit/doublefault: Remove apparently bogus comment about rewind_stack_do_exitEric W. Biederman1-3/+0
I do not see panic calling rewind_stack_do_exit anywhere, nor can I find anywhere in the history where doublefault_shim has called rewind_stack_do_exit. So I don't think this comment was ever actually correct. Cc: Andy Lutomirski <luto@kernel.org> Fixes: 7d8d8cfdee9a ("x86/doublefault/32: Rewrite the x86_32 #DF handler and unify with 64-bit") Link: https://lkml.kernel.org/r/20211020174406.17889-1-ebiederm@xmission.com Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2021-10-20Merge tag 'nios2_fixes_for_v5.15_part2' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linuxLinus Torvalds2-3/+3
Pull nios2 fix from Dinh Nguyen: - Renamed CTL_STATUS to CTL_FSTATUS to fix a redefined warning * tag 'nios2_fixes_for_v5.15_part2' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux: NIOS2: irqflags: rename a redefined register name
2021-10-20Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds11-21/+79
Pull kvm fixes from Paolo Bonzini: "Tools: - kvm_stat: do not show halt_wait_ns since it is not a cumulative statistic x86: - clean ups and fixes for bus lock vmexit and lazy allocation of rmaps - two fixes for SEV-ES (one more coming as soon as I get reviews) - fix for static_key underflow ARM: - Properly refcount pages used as a concatenated stage-2 PGD - Fix missing unlock when detecting the use of MTE+VM_SHARED" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: SEV-ES: reduce ghcb_sa_len to 32 bits KVM: VMX: Remove redundant handling of bus lock vmexit KVM: kvm_stat: do not show halt_wait_ns KVM: x86: WARN if APIC HW/SW disable static keys are non-zero on unload Revert "KVM: x86: Open code necessary bits of kvm_lapic_set_base() at vCPU RESET" KVM: SEV-ES: Set guest_state_protected after VMSA update KVM: X86: fix lazy allocation of rmaps KVM: SEV-ES: fix length of string I/O KVM: arm64: Release mmap_lock when using VM_SHARED with MTE KVM: arm64: Report corrupted refcount at EL2 KVM: arm64: Fix host stage-2 PGD refcount KVM: s390: Function documentation fixes
2021-10-20dt-bindings: net: wireless: ti,wlcore: Convert to json-schemaGeert Uytterhoeven1-1/+1
The Texas Instruments Wilink 6/7/8 (wl12xx/wl18xx) Wireless LAN Controllers can be connected via SPI or via SDIO. Convert the two Device Tree binding documents to json-schema, and merge them into a single document. Add missing ti,wl1285 compatible value. Add missing interrupt-names property. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://lore.kernel.org/r/23a2fbc46255a988e5d36f6c14abb7130480d200.1634646975.git.geert+renesas@glider.be Signed-off-by: Rob Herring <robh@kernel.org>
2021-10-20ep93xx: clock: convert in-place to COMMON_CLKNikita Shubin4-434/+575
Converted in-place without moving file to drivers/clk. tested on ts7250 (EP9302). Only setting rate and change parent tested for, as they are missing on ts7250: - video - I2S - ADC/KEYPAD - PWM Only video and I2S clock are interesting, as they are GATE + double DIV + MUX, all other are pretty much common but require ep93xx_syscon_swlocked_write to set registers. Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me> Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com> Tested-by: Alexander Sverdlin <alexander.sverdlin@gmail.com> Acked-by: Alexander Sverdlin <alexander.sverdlin@gmail.com> Link: https://lore.kernel.org/r/20211018103105.146380-3-alexander.sverdlin@gmail.com' Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-20ARM: dts: mstar: Mark timer with arm,cpu-registers-not-fw-configuredRomain Perier1-0/+1
The vendor u-boot does not configure the arch timer correctly on MStar, let Linux do it. Signed-off-by: Romain Perier <romain.perier@gmail.com> Signed-off-by: Daniel Palmer <daniel@0x0f.com> Link: https://lore.kernel.org/linux-arm-kernel/20210923170747.5786-2-romain.perier@gmail.com
2021-10-20ARM: dts: mstar: Add rtc device nodeRomain Perier1-0/+8
This adds the definition of the rtc device node. The RTC being able to work with the oscillator at 12Mhz for now, it shares the same xtal than the watchdog. Signed-off-by: Romain Perier <romain.perier@gmail.com> Signed-off-by: Daniel Palmer <daniel@0x0f.com> Link: https://lore.kernel.org/all/20210823171613.18941-4-romain.perier@gmail.com
2021-10-20Merge tag 'sunxi-fixes-for-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/fixesArnd Bergmann2-2/+2
Two patches to fix the GMAC PHY mode on some boards. * tag 'sunxi-fixes-for-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux: ARM: dts: sun7i: A20-olinuxino-lime2: Fix ethernet phy-mode arm64: dts: allwinner: h5: NanoPI Neo 2: Fix ethernet node Link: https://lore.kernel.org/r/d4c41c71-f1ff-4464-a26f-1bfd4b52fd78.lettre@localhost Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-20Merge tag 'imx-fixes-5.15-4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixesArnd Bergmann2-6/+10
i.MX fixes for 5.15, round 4: - A series from Frieder Schrempf to fix i.MX8MM Kontron N801x board on various aspects, voltage settings, GPIO polarity, SPI clock frequency and Ethernet PHY type. * tag 'imx-fixes-5.15-4' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: arm64: dts: imx8mm-kontron: Fix connection type for VSC8531 RGMII PHY arm64: dts: imx8mm-kontron: Fix CAN SPI clock frequency arm64: dts: imx8mm-kontron: Fix polarity of reg_rst_eth2 arm64: dts: imx8mm-kontron: Set lower limit of VDD_SNVS to 800 mV arm64: dts: imx8mm-kontron: Make sure SOC and DRAM supply voltages are correct Link: https://lore.kernel.org/r/20211018000958.GC25810@dragon Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-20Merge tag 'arm-soc/for-5.15/devicetree' of https://github.com/Broadcom/stblinux into arm/dtArnd Bergmann4-15/+24
This is already in v5.15-rc5, but I'm adding it here as well to get a clean build of the dts files. * tag 'arm-soc/for-5.15/devicetree': ARM: dts: bcm2711-rpi-4-b: Fix usb's unit address ARM: dts: bcm2711-rpi-4-b: Fix pcie0's unit address formatting ARM: dts: bcm2711-rpi-4-b: fix sd_io_1v8_reg regulator states ARM: dts: bcm2711: fix MDIO #address- and #size-cells ARM: dts: bcm283x: Fix VEC address for BCM2711
2021-10-20Merge tag 'v5.16-rockchip-dts32-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/dtArnd Bergmann6-34/+32
Adapt gpio subnode names to match the yaml binding and removal of the actually non-matching fallback-string for usb-phys on rk3066/rk3188 (most-specific compatible is and must always be used). * tag 'v5.16-rockchip-dts32-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip: ARM: dts: rockchip: remove usb-phy fallback string from rk3066a/rk3188 ARM: dts: rockchip: change gpio nodenames Link: https://lore.kernel.org/r/3630369.N7QejLDta5@phil Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-20Merge tag 'v5.16-rockchip-dts64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/dtArnd Bergmann11-27/+487
Idle-cooling information for rk3399, rk356x additions (tsadc resets, i2s, spdif, pwm), rk3368 powerdomains, fixes to make gpio subnodes compliant with the new pinctrl yaml binding and addition of the chassis-type for the non-sbc devices. * tag 'v5.16-rockchip-dts64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip: arm64: dts: rockchip: Add idle cooling devices to rk3399 arm64: dts: rockchip: fix resets in tsadc node for rk356x arm64: dts: rockchip: Add analog audio on Quartz64 arm64: dts: rockchip: Add i2s1 on rk356x arm64: dts: rockchip: change gpio nodenames arm64: dts: rockchip: add 'chassis-type' property arm64: dts: rockchip: add powerdomains to rk3368 dt-bindings: arm: rockchip: add rk3368 compatible string to pmu.yaml arm64: dts: rockchip: enable spdif on Quartz64 A arm64: dts: rockchip: add spdif node to rk356x arm64: dts: rockchip: add pwm nodes for rk3568 Link: https://lore.kernel.org/r/4536780.s7XYDJ6uuW@phil Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-20Merge tag 'gemini-dts-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik into arm/dtArnd Bergmann9-97/+314
Gemini changes for the v5.16 kernel cycle: - Add device trees for Edimax NS2502 and SSI 1328 - Consolidate PCI interrupts * tag 'gemini-dts-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik: ARM: dts: gemini: Consolidate PCI interrupt-map properties ARM: gemini: add device tree for ssi1328 ARM: gemini: add device tree for edimax NS2502 dt-bindings: add vendor prefix for ssi dt-bindings: add vendor prefix for edimax ARM: dts: gemini: add labels for USB, IDE, flash and ethernet Link: https://lore.kernel.org/r/CACRpkdac5Sbt42CtuLMgCazfHdhcP98mEKGjeZ-DVcb=_N90Bg@mail.gmail.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-20Merge tag 'ixp4xx-dts-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik into arm/dtArnd Bergmann14-2/+32
IXP4xx DTS changes for the v5.16 kernel: - Add the PTP timesource - Push down PCI interrupt properties to the individual board files. * tag 'ixp4xx-dts-for-v5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik: ARM: dts: ixp4xx: Group PCI interrupt properties together ARM: dts: Add PTP timesource to the IXP456x Link: https://lore.kernel.org/r/CACRpkdbSJ662h_B9mAGdXWBeq8ZwKTQvSJ7cZ2x2d8UgELP5QA@mail.gmail.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-20Merge tag 'sunxi-dt-for-5.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/dtArnd Bergmann29-112/+192
Our usual round of DT patches for the 5.16 merge window, with: - DT schema fixes - I2S support for the R40 - HDMI support for the pinetab - devfreq support for the A64 GPU * tag 'sunxi-dt-for-5.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux: (21 commits) dt-bindings: interconnect: sunxi: Add R40 MBUS compatible arm64: dts: allwinner: NanoPi R1S H5: Add generic compatible string for I2C EEPROM arm64: dts: allwinner: pinetab: Add HDMI support arm64: dts: allwinner: a64: Add GPU opp table ARM: dts: sun8i: r40: Add I2S nodes dt-bindings: sound: sun4i-i2s: add Allwinner R40 I2S compatible arm64: dts: allwinner: teres-i: Remove wakekup-source from the PMIC arm64: dts: allwinner: teres-i: Add missing reg arm64: dts: allwinner: pinetab: Change regulator node name to avoid warning arm64: dts: allwinner: a100: Fix thermal zone node name arm64: dts: allwinner: h6: Fix de3 parent clocks ordering arm64: dts: allwinner: h5: Fix GPU thermal zone node name ARM: dts: cubieboard4: Remove the dumb-vga-dac compatible ARM: dts: tbs711: Fix touchscreen compatible ARM: dts: sunxi: Fix the SPI NOR node names ARM: dts: sunxi: Fix OPPs node name ARM: dts: sunxi: Fix OPP arrays ARM: dts: sunxi: Rename gpio pinctrl names ARM: dts: sunxi: Rename power-supply names dt-bindings: sunxi: Add Allwinner A80 PRCM Binding ... Link: https://lore.kernel.org/r/5cad5ac6-187d-4d36-9437-5821c6e8242d.lettre@localhost Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-20x86/fpu: Provide a proper function for ex_handler_fprestore()Thomas Gleixner4-6/+10
To make upcoming changes for support of dynamically enabled features simpler, provide a proper function for the exception handler which removes exposure of FPU internals. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011540.053515012@linutronix.de
2021-10-20x86/fpu: Replace the includes of fpu/internal.hThomas Gleixner12-37/+10
Now that the file is empty, fixup all references with the proper includes and delete the former kitchen sink. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011540.001197214@linutronix.de
2021-10-20x86/fpu: Mop up the internal.h leftoversThomas Gleixner4-18/+14
Move the global interfaces to api.h and the rest into the core. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011539.948837194@linutronix.de
2021-10-20x86/sev: Include fpu/xcr.hThomas Gleixner1-1/+1
Include the header which only provides the XCR accessors. That's all what is needed here. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011539.896573039@linutronix.de
2021-10-20x86/fpu: Remove internal.h dependency from fpu/signal.hThomas Gleixner8-12/+19
In order to remove internal.h make signal.h independent of it. Include asm/fpu/xstate.h to fix a missing update_regset_xstate_info() prototype, which is Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011539.844565975@linutronix.de
2021-10-20x86/fpu: Move fpstate functions to api.hThomas Gleixner4-10/+13
Move function declarations which need to be globally available to api.h where they belong. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011539.792363754@linutronix.de
2021-10-20x86/fpu: Move mxcsr related code to coreThomas Gleixner6-13/+12
No need to expose that to code which only needs the XCR0 accessors. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011539.740012411@linutronix.de
2021-10-20x86/fpu: Move fpregs_restore_userregs() to coreThomas Gleixner5-83/+88
Only used internally in the FPU core code. While at it, convert to the percpu accessors which verify preemption is disabled. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011539.686806639@linutronix.de
2021-10-20x86/fpu: Make WARN_ON_FPU() privateThomas Gleixner3-9/+8
No point in being in global headers. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011539.628516182@linutronix.de
2021-10-20x86/fpu: Move legacy ASM wrappers to coreThomas Gleixner5-101/+111
Nothing outside the core code requires them. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011539.572439164@linutronix.de
2021-10-20x86/fpu: Move os_xsave() and os_xrstor() to coreThomas Gleixner4-171/+175
Nothing outside the core code needs these. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011539.513368075@linutronix.de
2021-10-20x86/fpu: Make os_xrstor_booting() privateThomas Gleixner2-25/+23
It's only required in the xstate init code. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011539.455836597@linutronix.de
2021-10-20x86/fpu: Clean up CPU feature testsThomas Gleixner4-18/+14
Further disintegration of internal.h: Move the CPU feature tests to a core header and remove the unused one. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011539.401510559@linutronix.de
2021-10-20x86/fpu: Move context switch and exit to user inlines into sched.hThomas Gleixner6-63/+72
internal.h is a kitchen sink which needs to get out of the way to prepare for the upcoming changes. Move the context switch and exit to user inlines into a separate header, which is all that code needs. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011539.349132461@linutronix.de
2021-10-20x86/fpu: Mark fpu__init_prepare_fx_sw_frame() as __initThomas Gleixner4-3/+12
No need to keep it around. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011539.296435736@linutronix.de
2021-10-20x86/fpu: Rework copy_xstate_to_uabi_buf()Thomas Gleixner2-8/+29
Prepare for replacing the KVM copy xstate to user function by extending copy_xstate_to_uabi_buf() with a pkru argument which allows the caller to hand in the pkru value, which is required for KVM because the guest PKRU is not accessible via current. Fixup all callsites accordingly. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011539.191902137@linutronix.de
2021-10-20x86/fpu: Replace KVMs home brewed FPU copy from userThomas Gleixner4-74/+43
Copying a user space buffer to the memory buffer is already available in the FPU core. The copy mechanism in KVM lacks sanity checks and needs to use cpuid() to lookup the offset of each component, while the FPU core has this information cached. Make the FPU core variant accessible for KVM and replace the home brewed mechanism. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: kvm@vger.kernel.org Link: https://lkml.kernel.org/r/20211015011539.134065207@linutronix.de
2021-10-20x86/fpu: Move KVMs FPU swapping to FPU coreThomas Gleixner7-60/+48
Swapping the host/guest FPU is directly fiddling with FPU internals which requires 5 exports. The upcoming support of dynamically enabled states would even need more. Implement a swap function in the FPU core code and export that instead. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Cc: kvm@vger.kernel.org Link: https://lkml.kernel.org/r/20211015011539.076072399@linutronix.de
2021-10-20x86/fpu/xstate: Mark all init only functions __initThomas Gleixner1-5/+5
No point to keep them around after boot. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011539.017919252@linutronix.de
2021-10-20x86/fpu/xstate: Provide and use for_each_xfeature()Thomas Gleixner1-33/+23
These loops evaluating xfeature bits are really hard to read. Create an iterator and use for_each_set_bit_from() inside which already does the right thing. No functional changes. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lkml.kernel.org/r/20211015011538.958107505@linutronix.de
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