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Include GPIO dt-bindings and use GPIO_ACTIVE_* constants
to improve readability
Signed-off-by: Luis Araneda <luaraneda@gmail.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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According to the reference manual, the board has two Micron
MT41K256M16HA-125 DDR3L memory ICs, which have 512 MiB each
Tested on a ZYBO-Z7-20 board
Signed-off-by: Luis Araneda <luaraneda@gmail.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Replace the current value of the model property by a more accurate
description of each board (which includes the manufacturer), as some
of the boards had the same value ("Xilinx Zynq")
Signed-off-by: Luis Araneda <luaraneda@gmail.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Both boards are made by Avnet, Inc. So add an additional
value to the compatible property
Signed-off-by: Luis Araneda <luaraneda@gmail.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Add missing mmc alias.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Add a dts for MYIR Z-turn board and respective target in Makefile.
Signed-off-by: Anton Gerasimov <tossel@gmail.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Avnet Ultra96 rev1 board is commercialized Xilinx zcu100 revC/D
internal board. The patch is reusing zcu100 revC files but changing
model description and compatible strings which are used for example by
libmraa.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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dts reports incorrect usage of these properties in gpio-keys node.
Warning (avoid_unnecessary_addr_size): /gpio-keys: unnecessary
The patch is removing these useless properties.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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ZynqMP Emulation board is no longer tested and there is no reason to
keep maintaining it.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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Mainline started to use serdev interface for uart attached devices.
Change description to reflect it.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
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The HUGEPD_*_SHIFT macros are always defined to be PGDIR_SHIFT and
PUD_SHIFT, and have to have those values to work properly. They once used
to have different values, but that was really only because they were used
to mean different things in different contexts.
6fa50483 "powerpc/mm/hugetlb: initialize the pagetable cache correctly for
hugetlb" removed that double meaning, but left the now useless constants.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Add MODULE_LICENSE() to the chrp nvram.c driver to fix the build
warning message:
WARNING: modpost: missing MODULE_LICENSE() in arch/powerpc/platforms/chrp/nvram.o
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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NULL pointers are pointers to user memory space. So user pagetable
has to be set in order to avoid random behaviour in case of NULL
pointer dereference, otherwise we may encounter random memory
access hence Machine Check Exception from TLB Miss handlers.
Set user pagetable as early as possible in order to properly
catch early kernel NULL pointer dereference.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Merge in some commits we're sharing with the KVM tree.
I manually propagated the change from commit d3d4ffaae439
("powerpc/powernv/ioda2: Reduce upper limit for DMA window size") into
pci-ioda-tce.c.
Conflicts:
arch/powerpc/include/asm/cputable.h
arch/powerpc/platforms/powernv/pci-ioda.c
arch/powerpc/platforms/powernv/pci.h
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Add USB host and device support for BTicino i.MX6DL Mamoj board.
Signed-off-by: Simone CIANNI <simone.cianni@bticino.it>
Signed-off-by: Raffaele RECALCATI <raffaele.recalcati@bticino.it>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add TI WL18XX Wifi for BTicino i.MX6DL board.
Signed-off-by: Simone CIANNI <simone.cianni@bticino.it>
Signed-off-by: Raffaele RECALCATI <raffaele.recalcati@bticino.it>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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This patch adds parallel display support for i.MX6DL Mamoj board
along with relevant backlight through pwm.
LCD power sequence is added by 'Michael Trimarchi'.
Signed-off-by: Simone CIANNI <simone.cianni@bticino.it>
Signed-off-by: Raffaele RECALCATI <raffaele.recalcati@bticino.it>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Add support for Zodiac Inflight Innovations SSMB SPU3
board (VF610-based).
Cc: linux-arm-kernel@lists.infradead.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Tested-by: Chris Healy <cphealy@gmail.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Put $(LDFLAGS_$(@F)) into ld_flags so that $(LDFLAGS_pcap.o) and
$(LDFLAGS_vde.o) in arch/um/drivers/Makefile are absorbed.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
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Since commit ce99d0bf312d ("kbuild: clear LDFLAGS in the top Makefile"),
the top-level Makefile caters to this.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
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This is already exported by the top-level Makefile.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
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This patch adds GPIO for headphone detection on LD11 global board.
Signed-off-by: Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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This patch adds GPIO for headphone detection on LD20 global board.
Signed-off-by: Katsuhiro Suzuki <suzuki.katsuhiro@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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The cooling device properties, like "#cooling-cells" and
"dynamic-power-coefficient", should either be present for all the CPUs
of a cluster or none. If these are present only for a subset of CPUs of
a cluster then things will start falling apart as soon as the CPUs are
brought online in a different order. For example, this will happen
because the operating system looks for such properties in the CPU node
it is trying to bring up, so that it can register a cooling device.
Add such missing properties.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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The cooling device properties, like "#cooling-cells" and
"dynamic-power-coefficient", should either be present for all the CPUs
of a cluster or none. If these are present only for a subset of CPUs of
a cluster then things will start falling apart as soon as the CPUs are
brought online in a different order. For example, this will happen
because the operating system looks for such properties in the CPU node
it is trying to bring up, so that it can register a cooling device.
Add such missing properties.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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The EValuation Module(EVM) platform for AM654 consists of a
common Base board + one or more of daughter cards, which include:
a) "Personality Modules", which can be specific to a profile, such as
ICSSG enabled or Multi-media (including audio).
b) SERDES modules, which may be 2 lane PCIe or two port PCIe + USB2
c) Camera daughter card
d) various display panels
Among other options. There are two basic configurations defined which
include an "EVM" configuration and "IDK" (Industrial development kit)
which differ in the specific combination of daughter cards that are
used.
To simplify support, we choose to support just the base board as the
core device tree file and all daughter cards would be expected to be
device tree overlays.
Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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The AM654 SoC is a lead device of the K3 Multicore SoC architecture
platform, targeted for broad market and industrial control with aim to
meet the complex processing needs of modern embedded products.
Some highlights of this SoC are:
* Quad ARMv8 A53 cores split over two clusters
* GICv3 compliant GIC500
* Configurable L3 Cache and IO-coherent architecture
* Dual lock-step capable R5F uC for safety-critical applications
* High data throughput capable distributed DMA architecture under NAVSS
* Three Gigabit Industrial Communication Subsystems (ICSSG), each with dual
PRUs and dual RTUs
* Hardware accelerator block containing AES/DES/SHA/MD5 called SA2UL
* Centralized System Controller for Security, Power, and Resource
management.
* Dual ADCSS, eQEP/eCAP, eHRPWM, dual CAN-FD
* Flash subsystem with OSPI and Hyperbus interfaces
* Multimedia capability with CAL, DSS7-UL, SGX544, McASP
* Peripheral connectivity including USB3, PCIE, MMC/SD, GPMC, I2C, SPI,
GPIO
See AM65x Technical Reference Manual (SPRUID7, April 2018)
for further details: http://www.ti.com/lit/pdf/spruid7
NOTE:
1. AM654 is the first of the device variants, hence we introduce a
generic am65.dtsi.
2. We indicate the proper bus topology, the ranges are elaborated in
each bus segment instead of using the top level ranges to make sure
that peripherals in each segment use the address space accurately.
3. Peripherals in each bus segment is maintained in a separate dtsi
allowing for reuse in different bus segment representation from a
different core such as R5. This is also the reason for maintaining a
1-1 address map in the ranges.
4. Cache descriptions follow the ARM64 standard description.
Further tweaks may be necessary as we introduce more complex devices,
but can be introduced in context of the device introduction.
Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Benjamin Fair <b-fair@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Add support for Texas Instrument's K3 Multicore SoC architecture
processors.
Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Pull kvm fixes from Paolo Bonzini:
"Miscellaneous bugfixes, plus a small patchlet related to Spectre v2"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
kvmclock: fix TSC calibration for nested guests
KVM: VMX: Mark VMXArea with revision_id of physical CPU even when eVMCS enabled
KVM: irqfd: fix race between EPOLLHUP and irq_bypass_register_consumer
KVM/Eventfd: Avoid crash when assign and deassign specific eventfd in parallel.
x86/kvmclock: set pvti_cpu0_va after enabling kvmclock
x86/kvm/Kconfig: Ensure CRYPTO_DEV_CCP_DD state at minimum matches KVM_AMD
kvm: nVMX: Restore exit qual for VM-entry failure due to MSR loading
x86/kvm/vmx: don't read current->thread.{fs,gs}base of legacy tasks
KVM: VMX: support MSR_IA32_ARCH_CAPABILITIES as a feature MSR
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ARM64: hisilicon: defconfig updates for 4.18
- Enable uncore pmu for some hisilicon SoCs
* tag 'hisi-defconfig-for-4.19' of git://github.com/hisilicon/linux-hisi:
arm64: defconfig: enable HiSilicon PMU driver
Signed-off-by: Olof Johansson <olof@lixom.net>
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mvebu defconfig for 4.19 (part 1)
- add NAND controller on multi_v7
- add SFP support on mvebu_v7
* tag 'mvebu-defconfig-4.19-1' of git://git.infradead.org/linux-mvebu:
ARM: mvebu_v7_defconfig: enable SFP support
ARM: mvebu_v7_defconfig: sync defconfig
ARM: multi_v7_defconfig: Add Marvell NAND controller support
Signed-off-by: Olof Johansson <olof@lixom.net>
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mvebu arm for 4.19 (part 1)
- remove potential call from invalid context in boot_secondary
- allow using CONFIG_FORTIFY_SOURCE in pmsu.c
* tag 'mvebu-arm-4.19-1' of git://git.infradead.org/linux-mvebu:
ARM: mvebu: convert secondary CPU clock sync to hotplug state
ARM: mvebu: declare asm symbols as character arrays in pmsu.c
Signed-off-by: Olof Johansson <olof@lixom.net>
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This enables support for SFP cages on SolidRun Armada 38x platforms.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
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Use savedefconfig to sync defconfig for current kernel. No change in
generated configuration.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
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Add Marvell NAND controller support used by some Marvell Armada based
boards.
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
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This is the pxa changes for 4.19 cycle :
- the pxa architecture is ported to dma slavemap
- some minor AC97 fixes
- some minor board fixes
* tag 'pxa-for-4.19-v2' of https://github.com/rjarzmik/linux:
net: smc91x: remove the dmaengine compat need
net: smc911x: remove the dmaengine compat need
ARM: pxa: zylonite: use the new ac97 bus support
ARM: pxa: add the missing AC97 clocks
ARM: pxa: mioa701 convert to the new AC97 bus
ARM: pxa: hx4700: fix the usb client
ARM: pxa: change SSP DMA channels allocation
ARM: pxa: remove the DMA IO resources
dmaengine: pxa: document pxad_param
ata: pata_pxa: remove the dmaengine compat need
mtd: rawnand: marvell: remove the dmaengine compat need
media: pxa_camera: remove the dmaengine compat need
mmc: pxamci: remove the dmaengine compat need
dmaengine: pxa: add a default requestor policy
ARM: pxa: add dma slave map
dmaengine: pxa: use a dma slave map
Signed-off-by: Olof Johansson <olof@lixom.net>
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Now that the vhub driver is upstream and the device-trees
updated, let's enable this by default.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
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Now that the vhub driver is upstream and the device-trees
updated, let's enable this by default.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
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The aspeed pwm driver always sets the clock source to 24MHz, specify
the fixed clock in device tree to make sure the driver is using the
correct clock frequency to calculate the fan speed.
Signed-off-by: Lei YU <mine260309@gmail.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
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On 64-bit servers, SPRN_SPRG3 and its userspace read-only mirror
SPRN_USPRG3 are used as userspace VDSO write and read registers
respectively.
SPRN_SPRG3 is lost when we enter stop4 and above, and is currently not
restored. As a result, any read from SPRN_USPRG3 returns zero on an
exit from stop4 (Power9 only) and above.
Thus in this situation, on POWER9, any call from sched_getcpu() always
returns zero, as on powerpc, we call __kernel_getcpu() which relies
upon SPRN_USPRG3 to report the CPU and NUMA node information.
Fix this by restoring SPRN_SPRG3 on wake up from a deep stop state
with the sprg_vdso value that is cached in PACA.
Fixes: e1c1cfed5432 ("powerpc/powernv: Save/Restore additional SPRs for stop4 cpuidle")
Cc: stable@vger.kernel.org # v4.14+
Reported-by: Florian Weimer <fweimer@redhat.com>
Signed-off-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Reviewed-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Some of the assembly files use instructions specific to BookE or E500,
which are rejected with the now-default -mcpu=powerpc, so we must pass
-me500 to the assembler just as we pass -me200 for E200.
Fixes: 4bf4f42a2feb ("powerpc/kbuild: Set default generic machine type for 32-bit compile")
Signed-off-by: James Clarke <jrtc27@jrtc27.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Inside a nested guest, access to hardware can be slow enough that
tsc_read_refs always return ULLONG_MAX, causing tsc_refine_calibration_work
to be called periodically and the nested guest to spend a lot of time
reading the ACPI timer.
However, if the TSC frequency is available from the pvclock page,
we can just set X86_FEATURE_TSC_KNOWN_FREQ and avoid the recalibration.
'refine' operation.
Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>
[Commit message rewritten. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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When eVMCS is enabled, all VMCS allocated to be used by KVM are marked
with revision_id of KVM_EVMCS_VERSION instead of revision_id reported
by MSR_IA32_VMX_BASIC.
However, even though not explictly documented by TLFS, VMXArea passed
as VMXON argument should still be marked with revision_id reported by
physical CPU.
This issue was found by the following setup:
* L0 = KVM which expose eVMCS to it's L1 guest.
* L1 = KVM which consume eVMCS reported by L0.
This setup caused the following to occur:
1) L1 execute hardware_enable().
2) hardware_enable() calls kvm_cpu_vmxon() to execute VMXON.
3) L0 intercept L1 VMXON and execute handle_vmon() which notes
vmxarea->revision_id != VMCS12_REVISION and therefore fails with
nested_vmx_failInvalid() which sets RFLAGS.CF.
4) L1 kvm_cpu_vmxon() don't check RFLAGS.CF for failure and therefore
hardware_enable() continues as usual.
5) L1 hardware_enable() then calls ept_sync_global() which executes
INVEPT.
6) L0 intercept INVEPT and execute handle_invept() which notes
!vmx->nested.vmxon and thus raise a #UD to L1.
7) Raised #UD caused L1 to panic.
Reviewed-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>
Cc: stable@vger.kernel.org
Fixes: 773e8a0425c923bc02668a2d6534a5ef5a43cc69
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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This way we will be able to compile the jz4740_nand driver when
COMPILE_TEST=y.
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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This way we will be able to compile the ndfmc driver when
COMPILE_TEST=y.
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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None of the board files are overloading those hooks, so let's drop them
from struct platform_nand_ctrl.
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
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Detect and report the etoken facility. With spectre_v2=auto or
CONFIG_EXPOLINE_AUTO=y automatically disable expolines and use
the full branch prediction mode for the kernel.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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A VM which has:
- a DMA capable device passed through to it (eg. network card);
- running a malicious kernel that ignores H_PUT_TCE failure;
- capability of using IOMMU pages bigger that physical pages
can create an IOMMU mapping that exposes (for example) 16MB of
the host physical memory to the device when only 64K was allocated to the VM.
The remaining 16MB - 64K will be some other content of host memory, possibly
including pages of the VM, but also pages of host kernel memory, host
programs or other VMs.
The attacking VM does not control the location of the page it can map,
and is only allowed to map as many pages as it has pages of RAM.
We already have a check in drivers/vfio/vfio_iommu_spapr_tce.c that
an IOMMU page is contained in the physical page so the PCI hardware won't
get access to unassigned host memory; however this check is missing in
the KVM fastpath (H_PUT_TCE accelerated code). We were lucky so far and
did not hit this yet as the very first time when the mapping happens
we do not have tbl::it_userspace allocated yet and fall back to
the userspace which in turn calls VFIO IOMMU driver, this fails and
the guest does not retry,
This stores the smallest preregistered page size in the preregistered
region descriptor and changes the mm_iommu_xxx API to check this against
the IOMMU page size.
This calculates maximum page size as a minimum of the natural region
alignment and compound page size. For the page shift this uses the shift
returned by find_linux_pte() which indicates how the page is mapped to
the current userspace - if the page is huge and this is not a zero, then
it is a leaf pte and the page is mapped within the range.
Fixes: 121f80ba68f1 ("KVM: PPC: VFIO: Add in-kernel acceleration for VFIO")
Cc: stable@vger.kernel.org # v4.12+
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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The constants are 64bit but not explicitly declared UL resulting
in sparse warnings. Fix this by declaring the constants UL.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
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The call to of_find_compatible_node() is returning a pointer with
incremented refcount so it must be explicitly decremented after the
last use. As here it is only being used for checking of node presence
but the result is not actually used in the success path it can be
dropped immediately.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Fixes: commit f725758b899f ("KVM: PPC: Book3S HV: Use OPAL XICS emulation on POWER9")
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
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Luis Araneda
Michal Simek
Anton Gerasimov
David Gibson
Randy Dunlap
Christophe Leroy
Michael Ellerman
Michael Trimarchi
Jagan Teki
Andrey Smirnov
Masahiro Yamada
Katsuhiro Suzuki
Viresh Kumar
Nishanth Menon
Linus Torvalds
Olof Johansson
Baruch Siach
Gregory CLEMENT
Benjamin Herrenschmidt
Lei YU
Gautham R. Shenoy
James Clarke
Peng Hao
Liran Alon
Boris Brezillon
Martin Schwidefsky
Alexey Kardashevskiy
Nicholas Mc Guire