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Pull KVM fixes from Paolo Bonzini:
"x86 has lots of small bugfixes, mostly one liners. It's quite late in
5.11-rc but none of them are related to this merge window; it's just
bugs coming in at the wrong time.
Of note among the others is "KVM: x86: Allow guests to see
MSR_IA32_TSX_CTRL even if tsx=off" that fixes a live migration failure
seen on distros that hadn't switched to tsx=off right away.
ARM:
- Avoid clobbering extra registers on initialisation"
[ Sean Christopherson notes that commit 943dea8af21b ("KVM: x86: Update
emulator context mode if SYSENTER xfers to 64-bit mode") should have
had authorship credited to Jonny Barker, not to him. - Linus ]
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: Set so called 'reserved CR3 bits in LM mask' at vCPU reset
KVM: x86/mmu: Fix TDP MMU zap collapsible SPTEs
KVM: x86: cleanup CR3 reserved bits checks
KVM: SVM: Treat SVM as unsupported when running as an SEV guest
KVM: x86: Update emulator context mode if SYSENTER xfers to 64-bit mode
KVM: x86: Supplement __cr4_reserved_bits() with X86_FEATURE_PCID check
KVM/x86: assign hva with the right value to vm_munmap the pages
KVM: x86: Allow guests to see MSR_IA32_TSX_CTRL even if tsx=off
Fix unsynchronized access to sev members through svm_register_enc_region
KVM: Documentation: Fix documentation for nested.
KVM: x86: fix CPUID entries returned by KVM_GET_CPUID2 ioctl
KVM: arm64: Don't clobber x4 in __do_hyp_init
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
"Fix the arm64 linear map range detection for tagged addresses and
replace the bitwise operations with subtract (virt_addr_valid(),
__is_lm_address(), __lm_to_phys())"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Use simpler arithmetics for the linear map macros
arm64: Do not pass tagged addresses to __is_lm_address()
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"The code fixes in this round are all for the Texas Instruments OMAP
platform, addressing several regressions related to the ti-sysc
interconnect changes that was merged in linux-5.11 and one recently
introduced RCU usage warning.
Tero Kristo updates his maintainer file entries as he is changing to a
new employer.
The other changes are for devicetree files across eight different
platforms:
TI OMAP:
- multiple gpio related one-line fixes
Allwinner/sunxi:
- ARM: dts: sun7i: a20: bananapro: Fix ethernet phy-mode
- soc: sunxi: mbus: Remove DE2 display engine compatibles
NXP lpc32xx:
- ARM: dts: lpc32xx: Revert set default clock rate of HCLK PLL
STMicroelectronics stm32
- multiple minor fixes for DHCOM/DHCOR boards
NXP Layerscape:
- Fix DCFG address range on LS1046A SoC
Amlogic meson:
- fix reboot issue on odroid C4
- revert an ethernet change that caused a regression
- meson-g12: Set FL-adj property value
Rockchip:
- multiple minor fixes on 64-bit rockchip machines
Qualcomm:
- Regression fixes for Lenovo Yoga touchpad and for interconnect
configuration
- Boot fixes for 'LPASS' clock configuration on two machines"
* tag 'arm-soc-fixes-v5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (31 commits)
ARM: dts: lpc32xx: Revert set default clock rate of HCLK PLL
ARM: dts: sun7i: a20: bananapro: Fix ethernet phy-mode
arm64: dts: ls1046a: fix dcfg address range
soc: sunxi: mbus: Remove DE2 display engine compatibles
arm64: dts: meson: switch TFLASH_VDD_EN pin to open drain on Odroid-C4
Revert "arm64: dts: amlogic: add missing ethernet reset ID"
arm64: dts: rockchip: Disable display for NanoPi R2S
ARM: dts: omap4-droid4: Fix lost keypad slide interrupts for droid4
arm64: dts: rockchip: remove interrupt-names property from rk3399 vdec node
drivers: bus: simple-pm-bus: Fix compatibility with simple-bus for auxdata
ARM: OMAP2+: Fix booting for am335x after moving to simple-pm-bus
ARM: OMAP2+: Fix suspcious RCU usage splats for omap_enter_idle_coupled
ARM: dts: stm32: Fix GPIO hog flags on DHCOM DRC02
ARM: dts: stm32: Fix GPIO hog flags on DHCOM PicoITX
ARM: dts: stm32: Fix GPIO hog names on DHCOM
ARM: dts: stm32: Disable optional TSC2004 on DRC02 board
ARM: dts: stm32: Disable WP on DHCOM uSD slot
ARM: dts: stm32: Connect card-detect signal on DHCOM
ARM: dts: stm32: Fix polarity of the DH DRC02 uSD card detect
arm64: dts: qcom: sdm845: Reserve LPASS clocks in gcc
...
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.11, round 3:
- Fix DCFG address range on LS1046A SoC.
* tag 'imx-fixes-5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
arm64: dts: ls1046a: fix dcfg address range
Link: https://lore.kernel.org/r/20210202071441.GP907@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Because of the tagged addresses, the __is_lm_address() and
__lm_to_phys() macros grew to some harder to understand bitwise
operations using PAGE_OFFSET. Since these macros only accept untagged
addresses, use a simple subtract operation.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20210201190634.22942-3-catalin.marinas@arm.com
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Commit 519ea6f1c82f ("arm64: Fix kernel address detection of
__is_lm_address()") fixed the incorrect validation of addresses below
PAGE_OFFSET. However, it no longer allowed tagged addresses to be passed
to virt_addr_valid().
Fix this by explicitly resetting the pointer tag prior to invoking
__is_lm_address(). This is consistent with the __lm_to_phys() macro.
Fixes: 519ea6f1c82f ("arm64: Fix kernel address detection of __is_lm_address()")
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Cc: <stable@vger.kernel.org> # 5.4.x
Cc: Will Deacon <will@kernel.org>
Cc: Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20210201190634.22942-2-catalin.marinas@arm.com
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Dcfg was overlapping with clockgen address space which resulted
in failure in memory allocation for dcfg. According regs description
dcfg size should not be bigger than 4KB.
Signed-off-by: Zyta Szpak <zr@semihalf.com>
Fixes: 8126d88162a5 ("arm64: dts: add QorIQ LS1046A SoC support")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Fix the virt_addr_valid() returning true for < PAGE_OFFSET addresses.
- Do not blindly trust the DMA masks from ACPI/IORT.
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
ACPI/IORT: Do not blindly trust DMA masks from firmware
arm64: Fix kernel address detection of __is_lm_address()
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 5.11, take #3
- Avoid clobbering extra registers on initialisation
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"These are the current arm-soc bug fixes for linux-5.11. I already
merged a larger set that just came in during the past three days but
has not had much exposure in linux-next, but this is the subset I
merged last week.
Most of these are for the NXP i.MX platform (descriptions from their
pull request):
- Fix pcf2127 reset for imx7d-flex-concentrator board.
- Fix i.MX6 suspend with Thumb-2 kernel.
- Fix ethernet-phy address issue on imx6qdl-sr-som board.
- Fix GPIO3 `gpio-ranges` on i.MX8MP.
- Select SOC_BUS for IMX_SCU driver to fix build issue.
- Fix backlight pwm on imx6qdl-kontron-samx6i which is lost from
#pwm-cells conversion.
- Fix duplicated bus node name for i.MX8MN SoC.
- Fix reset register offset on LS1028A SoC.
- Rename MMC node aliases for imx6q-tbs2910 to keep the MMC device
index consistent with previous kernel version.
- Selecting ARM_GIC_V3 on non-CP15 processors to fix one build
failure with i.MX8M SoC driver.
- Fix typos with status property on imx6qdl-kontron-samx6i board.
- Fix duplicated regulator-name on imx6qdl-gw52xx board.
Aside from i.MX, the bugfixes are all over the place:
- Coccinelle found a refcount imbalance on integrator
- defconfig fix for TI K3
- A boot regression fix for ST ux500
- A code preemption fix for the optee driver
- USB DMA regression on Broadcom Stingray
- A bogus boot time warning fix for at91 code"
* tag 'arm-soc-fixes-v5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
MAINTAINERS: Include bcm2835 subsequents into search
arm64: dts: broadcom: Fix USB DMA address translation for Stingray
drivers: soc: atmel: add null entry at the end of at91_soc_allowed_list[]
drivers: soc: atmel: Avoid calling at91_soc_init on non AT91 SoCs
tee: optee: replace might_sleep with cond_resched
firmware: imx: select SOC_BUS to fix firmware build
arm64: dts: imx8mp: Correct the gpio ranges of gpio3
ARM: dts: imx6qdl-sr-som: fix some cubox-i platforms
ARM: imx: build suspend-imx6.S with arm instruction set
ARM: dts: imx7d-flex-concentrator: fix pcf2127 reset
ARM: dts: ux500: Reserve memory carveouts
arm64: defconfig: Drop unused K3 SoC specific options
bus: arm-integrator-lm: Add of_node_put() before return statement
ARM: dts: imx6qdl-gw52xx: fix duplicate regulator naming
ARM: dts: imx6qdl-kontron-samx6i: fix i2c_lcd/cam default status
ARM: imx: fix imx8m dependencies
ARM: dts: tbs2910: rename MMC node aliases
arm64: dts: ls1028a: fix the offset of the reset register
arm64: dts: imx8mn: Fix duplicate node name
ARM: dts: imx6qdl-kontron-samx6i: fix pwms for lcd-backlight
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/fixes
arm64: dts: amlogic fixes for v5.11-rc (round 3)
- fix reboot issue on odroid C4
* tag 'amlogic-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
arm64: dts: meson: switch TFLASH_VDD_EN pin to open drain on Odroid-C4
Link: https://lore.kernel.org/r/7hk0ryi6rs.fsf@baylibre.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/fixes
arm64: dts: amlogic fixes for v5.11-rc (round 2)
- fix ethernet resets
* tag 'amlogic-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
Revert "arm64: dts: amlogic: add missing ethernet reset ID"
Link: https://lore.kernel.org/r/7ho8hai7e6.fsf@baylibre.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into arm/fixes
Wrong irq number on px30 and cleanups of stuff on rk3399 regarding
wrongly used dt properties and parts that shouldn't be enabled.
* tag 'v5.11-rockchip-dtsfixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
arm64: dts: rockchip: Disable display for NanoPi R2S
arm64: dts: rockchip: remove interrupt-names property from rk3399 vdec node
arm64: dts: rockchip: Fix PCIe DT properties on rk3399
arm64: dts: rockchip: Use only supported PCIe link speed on Pinebook Pro
arm64: dts: rockchip: fix vopl iommu irq on px30
Link: https://lore.kernel.org/r/5429065.DvuYhMxLoT@phil
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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For the proper reboot Odroid-C4 board requires to switch TFLASH_VDD_EN
pin to the high impedance mode, otherwise the board is stuck in the
middle of loading early stages of the bootloader from SD card.
This can be achieved by using the OPEN_DRAIN flag instead of the
ACTIVE_HIGH, what will leave the pin in input mode to achieve high state
(pin has the pull-up) and solve the issue.
Suggested-by: Neil Armstrong <narmstrong@baylibre.com>
Fixes: 326e57518b0d ("arm64: dts: meson-sm1: add support for Hardkernel ODROID-C4")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20210122055218.27241-1-m.szyprowski@samsung.com
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git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes
Qualcomm ARM64 defconfig fixes for v5.11
Devicetree patches for SDM845 introduced in v5.11 requires the
platform's interconnect driver to be buildin, or the kernel will fail to
provide a valid console when we hit userspace.
* tag 'qcom-arm64-defconfig-fixes-for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
arm64: defconfig: Make INTERCONNECT_QCOM_SDM845 builtin
Link: https://lore.kernel.org/r/20210125232412.642834-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes
Qualcomm ARM64 fixes for 5.11
This fixes a regression in Lenovo Yoga C630, where the touchpad in some
units stopped working, by re-enabling the "tsc2" device.
It also marks the LPASS related clocks as protected to allow DB845c and
the Lenovo Yoga C630 to boot even if CONFIG_SDM_LPASSCC_845 is enabled.
* tag 'qcom-arm64-fixes-for-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
arm64: dts: qcom: sdm845: Reserve LPASS clocks in gcc
arm64: dts: qcom: c630: keep both touchpad devices enabled
Link: https://lore.kernel.org/r/20210125232039.642565-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into arm/fixes
arm64: dts: amlogic: fixes for v5.11-rc
- meson-g12: Set FL-adj property value
* tag 'amlogic-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
arm64: dts: amlogic: meson-g12: Set FL-adj property value
Link: https://lore.kernel.org/r/7hk0s0x3im.fsf@baylibre.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Pull kvm fixes from Paolo Bonzini:
- x86 bugfixes
- Documentation fixes
- Avoid performance regression due to SEV-ES patches
- ARM:
- Don't allow tagged pointers to point to memslots
- Filter out ARMv8.1+ PMU events on v8.0 hardware
- Hide PMU registers from userspace when no PMU is configured
- More PMU cleanups
- Don't try to handle broken PSCI firmware
- More sys_reg() to reg_to_encoding() conversions
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: allow KVM_REQ_GET_NESTED_STATE_PAGES outside guest mode for VMX
KVM: x86: Revert "KVM: x86: Mark GPRs dirty when written"
KVM: SVM: Unconditionally sync GPRs to GHCB on VMRUN of SEV-ES guest
KVM: nVMX: Sync unsync'd vmcs02 state to vmcs12 on migration
kvm: tracing: Fix unmatched kvm_entry and kvm_exit events
KVM: Documentation: Update description of KVM_{GET,CLEAR}_DIRTY_LOG
KVM: x86: get smi pending status correctly
KVM: x86/pmu: Fix HW_REF_CPU_CYCLES event pseudo-encoding in intel_arch_events[]
KVM: x86/pmu: Fix UBSAN shift-out-of-bounds warning in intel_pmu_refresh()
KVM: x86: Add more protection against undefined behavior in rsvd_bits()
KVM: Documentation: Fix spec for KVM_CAP_ENABLE_CAP_VM
KVM: Forbid the use of tagged userspace addresses for memslots
KVM: arm64: Filter out v8.1+ events on v8.0 HW
KVM: arm64: Compute TPIDR_EL2 ignoring MTE tag
KVM: arm64: Use the reg_to_encoding() macro instead of sys_reg()
KVM: arm64: Allow PSCI SYSTEM_OFF/RESET to return
KVM: arm64: Simplify handling of absent PMU system registers
KVM: arm64: Hide PMU registers from userspace when not available
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Currently, the __is_lm_address() check just masks out the top 12 bits
of the address, but if they are 0, it still yields a true result.
This has as a side effect that virt_addr_valid() returns true even for
invalid virtual addresses (e.g. 0x0).
Fix the detection checking that it's actually a kernel address starting
at PAGE_OFFSET.
Fixes: 68dd8ef32162 ("arm64: memory: Fix virt_addr_valid() using __is_lm_address()")
Cc: <stable@vger.kernel.org> # 5.4.x
Cc: Will Deacon <will@kernel.org>
Suggested-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Link: https://lore.kernel.org/r/20210126134056.45747-1-vincenzo.frascino@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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It has been reported on IRC and in KernelCI boot tests, this change breaks
internal PHY support on the Amlogic G12A/SM1 Based boards.
We suspect the added signal to reset more than the Ethernet MAC but also
the MDIO/(RG)MII mux used to redirect the MAC signals to the internal PHY.
This reverts commit f3362f0c18174a1f334a419ab7d567a36bd1b3f3 while we find
and acceptable solution to cleanly reset the Ethernet MAC.
Reported-by: Corentin Labbe <clabbe@baylibre.com>
Acked-by: Jérôme Brunet <jbrunet@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20210126080951.2383740-1-narmstrong@baylibre.com
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 5.11, take #2
- Don't allow tagged pointers to point to memslots
- Filter out ARMv8.1+ PMU events on v8.0 hardware
- Hide PMU registers from userspace when no PMU is configured
- More PMU cleanups
- Don't try to handle broken PSCI firmware
- More sys_reg() to reg_to_encoding() conversions
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NanoPi R2S is headless, so rightly does not enable any of the display
interface hardware, which currently provokes an obnoxious error in the
boot log from the fake DRM device failing to find anything to bind to.
It probably isn't *too* hard to obviate the fake device shenanigans
entirely with a bit of driver reshuffling, but for now let's just
disable it here to shut up the spurious error.
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/c4553dfad1ad6792c4f22454c135ff55de77e2d6.1611186099.git.robin.murphy@arm.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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arm_smccc_1_1_hvc() only adds write contraints for x0-3 in the inline
assembly for the HVC instruction so make sure those are the only
registers that change when __do_hyp_init is called.
Tested-by: David Brazdil <dbrazdil@google.com>
Signed-off-by: Andrew Scull <ascull@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210125145415.122439-3-ascull@google.com
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.11, round 2:
- Fix pcf2127 reset for imx7d-flex-concentrator board.
- Fix i.MX6 suspend with Thumb-2 kernel.
- Fix ethernet-phy address issue on imx6qdl-sr-som board.
- Fix GPIO3 `gpio-ranges` on i.MX8MP.
- Select SOC_BUS for IMX_SCU driver to fix build issue.
* tag 'imx-fixes-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
firmware: imx: select SOC_BUS to fix firmware build
arm64: dts: imx8mp: Correct the gpio ranges of gpio3
ARM: dts: imx6qdl-sr-som: fix some cubox-i platforms
ARM: imx: build suspend-imx6.S with arm instruction set
ARM: dts: imx7d-flex-concentrator: fix pcf2127 reset
Link: https://lore.kernel.org/r/20210119091949.GD4356@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Add a non-empty dma-ranges so that DMA address translation happens.
Fixes: 2013a4b684b6 ("arm64: dts: broadcom: clear the warnings caused by empty dma-ranges")
Signed-off-by: Bharat Gooty <bharat.gooty@broadcom.com>
Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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I was hitting the below panic continuously when attaching kprobes to
scheduler functions
[ 159.045212] Unexpected kernel BRK exception at EL1
[ 159.053753] Internal error: BRK handler: f2000006 [#1] PREEMPT SMP
[ 159.059954] Modules linked in:
[ 159.063025] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 5.11.0-rc4-00008-g1e2a199f6ccd #56
[rt-app] <notice> [1] Exiting.[ 159.071166] Hardware name: ARM Juno development board (r2) (DT)
[ 159.079689] pstate: 600003c5 (nZCv DAIF -PAN -UAO -TCO BTYPE=--)
[ 159.085723] pc : 0xffff80001624501c
[ 159.089377] lr : attach_entity_load_avg+0x2ac/0x350
[ 159.094271] sp : ffff80001622b640
[rt-app] <notice> [0] Exiting.[ 159.097591] x29: ffff80001622b640 x28: 0000000000000001
[ 159.105515] x27: 0000000000000049 x26: ffff000800b79980
[ 159.110847] x25: ffff00097ef37840 x24: 0000000000000000
[ 159.116331] x23: 00000024eacec1ec x22: ffff00097ef12b90
[ 159.121663] x21: ffff00097ef37700 x20: ffff800010119170
[rt-app] <notice> [11] Exiting.[ 159.126995] x19: ffff00097ef37840 x18: 000000000000000e
[ 159.135003] x17: 0000000000000001 x16: 0000000000000019
[ 159.140335] x15: 0000000000000000 x14: 0000000000000000
[ 159.145666] x13: 0000000000000002 x12: 0000000000000002
[ 159.150996] x11: ffff80001592f9f0 x10: 0000000000000060
[ 159.156327] x9 : ffff8000100f6f9c x8 : be618290de0999a1
[ 159.161659] x7 : ffff80096a4b1000 x6 : 0000000000000000
[ 159.166990] x5 : ffff00097ef37840 x4 : 0000000000000000
[ 159.172321] x3 : ffff000800328948 x2 : 0000000000000000
[ 159.177652] x1 : 0000002507d52fec x0 : ffff00097ef12b90
[ 159.182983] Call trace:
[ 159.185433] 0xffff80001624501c
[ 159.188581] update_load_avg+0x2d0/0x778
[ 159.192516] enqueue_task_fair+0x134/0xe20
[ 159.196625] enqueue_task+0x4c/0x2c8
[ 159.200211] ttwu_do_activate+0x70/0x138
[ 159.204147] sched_ttwu_pending+0xbc/0x160
[ 159.208253] flush_smp_call_function_queue+0x16c/0x320
[ 159.213408] generic_smp_call_function_single_interrupt+0x1c/0x28
[ 159.219521] ipi_handler+0x1e8/0x3c8
[ 159.223106] handle_percpu_devid_irq+0xd8/0x460
[ 159.227650] generic_handle_irq+0x38/0x50
[ 159.231672] __handle_domain_irq+0x6c/0xc8
[ 159.235781] gic_handle_irq+0xcc/0xf0
[ 159.239452] el1_irq+0xb4/0x180
[ 159.242600] rcu_is_watching+0x28/0x70
[ 159.246359] rcu_read_lock_held_common+0x44/0x88
[ 159.250991] rcu_read_lock_any_held+0x30/0xc0
[ 159.255360] kretprobe_dispatcher+0xc4/0xf0
[ 159.259555] __kretprobe_trampoline_handler+0xc0/0x150
[ 159.264710] trampoline_probe_handler+0x38/0x58
[ 159.269255] kretprobe_trampoline+0x70/0xc4
[ 159.273450] run_rebalance_domains+0x54/0x80
[ 159.277734] __do_softirq+0x164/0x684
[ 159.281406] irq_exit+0x198/0x1b8
[ 159.284731] __handle_domain_irq+0x70/0xc8
[ 159.288840] gic_handle_irq+0xb0/0xf0
[ 159.292510] el1_irq+0xb4/0x180
[ 159.295658] arch_cpu_idle+0x18/0x28
[ 159.299245] default_idle_call+0x9c/0x3e8
[ 159.303265] do_idle+0x25c/0x2a8
[ 159.306502] cpu_startup_entry+0x2c/0x78
[ 159.310436] secondary_start_kernel+0x160/0x198
[ 159.314984] Code: d42000c0 aa1e03e9 d42000c0 aa1e03e9 (d42000c0)
After a bit of head scratching and debugging it turned out that it is
due to kprobe handler being interrupted by a tick that causes us to go
into (I think another) kprobe handler.
The culprit was kprobe_breakpoint_ss_handler() returning DBG_HOOK_ERROR
which leads to the Unexpected kernel BRK exception.
Reverting commit ba090f9cafd5 ("arm64: kprobes: Remove redundant
kprobe_step_ctx") seemed to fix the problem for me.
Further analysis showed that kcb->kprobe_status is set to
KPROBE_REENTER when the error occurs. By teaching
kprobe_breakpoint_ss_handler() to handle this status I can no longer
reproduce the problem.
Fixes: ba090f9cafd5 ("arm64: kprobes: Remove redundant kprobe_step_ctx")
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Link: https://lore.kernel.org/r/20210122110909.3324607-1-qais.yousef@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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When running on v8.0 HW, make sure we don't try to advertise
events in the 0x4000-0x403f range.
Cc: stable@vger.kernel.org
Fixes: 88865beca9062 ("KVM: arm64: Mask out filtered events in PCMEID{0,1}_EL1")
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210121105636.1478491-1-maz@kernel.org
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KASAN in HW_TAGS mode will store MTE tags in the top byte of the
pointer. When computing the offset for TPIDR_EL2 we don't want anything
in the top byte, so remove the tag to ensure the computation is correct
no matter what the tag.
Fixes: 94ab5b61ee16 ("kasan, arm64: enable CONFIG_KASAN_HW_TAGS")
Signed-off-by: Steven Price <steven.price@arm.com>
[maz: added comment]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210108161254.53674-1-steven.price@arm.com
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As of the "arm64: expose FAR_EL1 tag bits in siginfo" patch, the address
that is passed to report_tag_fault has pointer tags in the format of 0x0X,
while KASAN uses 0xFX format (note the difference in the top 4 bits).
Fix up the pointer tag for kernel pointers in do_tag_check_fault by
setting them to the same value as bit 55. Explicitly use __untagged_addr()
instead of untagged_addr(), as the latter doesn't affect TTBR1 addresses.
Fixes: dceec3ff7807 ("arm64: expose FAR_EL1 tag bits in siginfo")
Fixes: 4291e9ee6189 ("kasan, arm64: print report from tag fault handler")
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Link: https://linux-review.googlesource.com/id/I9ced973866036d8679e8f4ae325de547eb969649
Link: https://lore.kernel.org/r/ff30b0afe6005fd046f9ac72bfb71822aedccd89.1610731872.git.andreyknvl@google.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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A test with the command below gives this error:
/arch/arm64/boot/dts/rockchip/rk3399-evb.dt.yaml: video-codec@ff660000:
'interrupt-names' does not match any of the regexes: 'pinctrl-[0-9]+'
The rkvdec driver gets it irq with help of the platform_get_irq()
function, so remove the interrupt-names property from the rk3399
vdec node.
make ARCH=arm64 dtbs_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/
media/rockchip,vdec.yaml
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20210117181653.24886-1-jbx6244@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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On i.MX8MP, The GPIO3's secondary gpio-ranges's 'gpio controller offset'
cell value should be 26, so correct it.
Signed-off-by: Jacky Bai <ping.bai@nxp.com>
Fixes: 6d9b8d20431f ("arm64: dts: freescale: Add i.MX8MP dtsi support")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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With [1] integrated and all users of the config symbols removed, we
can safely remove the options from defconfig.
[1] https://patchwork.kernel.org/project/linux-arm-kernel/patch/20201026170624.24241-1-nm@ti.com/
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20210107132228.6577-1-nm@ti.com'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes
i.MX fixes for 5.11:
- Fix backlight pwm on imx6qdl-kontron-samx6i which is lost from
#pwm-cells conversion.
- Fix duplicated bus node name for i.MX8MN SoC.
- Fix reset register offset on LS1028A SoC.
- Rename MMC node aliases for imx6q-tbs2910 to keep the MMC device
index consistent with previous kernel version.
- Selecting ARM_GIC_V3 on non-CP15 processors to fix one build failure
with i.MX8M SoC driver.
- Fix typos with status property on imx6qdl-kontron-samx6i board.
- Fix duplicated regulator-name on imx6qdl-gw52xx board.
* tag 'imx-fixes-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: dts: imx6qdl-gw52xx: fix duplicate regulator naming
ARM: dts: imx6qdl-kontron-samx6i: fix i2c_lcd/cam default status
ARM: imx: fix imx8m dependencies
ARM: dts: tbs2910: rename MMC node aliases
arm64: dts: ls1028a: fix the offset of the reset register
arm64: dts: imx8mn: Fix duplicate node name
ARM: dts: imx6qdl-kontron-samx6i: fix pwms for lcd-backlight
Link: https://lore.kernel.org/r/20210112131224.GI28365@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The kbuild test robot reports that when building with W=1, GCC will warn
for a couple of missing prototypes in syscall.c:
| arch/arm64/kernel/syscall.c:157:6: warning: no previous prototype for 'do_el0_svc' [-Wmissing-prototypes]
| 157 | void do_el0_svc(struct pt_regs *regs)
| | ^~~~~~~~~~
| arch/arm64/kernel/syscall.c:164:6: warning: no previous prototype for 'do_el0_svc_compat' [-Wmissing-prototypes]
| 164 | void do_el0_svc_compat(struct pt_regs *regs)
| | ^~~~~~~~~~~~~~~~~
While this isn't a functional problem, as a general policy we should
include the prototype for functions wherever possible to catch any
accidental divergence between the prototype and implementation. Here we
can easily include <asm/exception.h>, so let's do so.
While there are a number of warnings elsewhere and some warnings enabled
under W=1 are of questionable benefit, this change helps to make the
code more robust as it evolved and reduces the noise somewhat, so it
seems worthwhile.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/202101141046.n8iPO3mw-lkp@intel.com
Link: https://lore.kernel.org/r/20210114124812.17754-1-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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The reg_to_encoding() macro is a wrapper over sys_reg() and conveniently
takes a sys_reg_desc or a sys_reg_params argument and returns the 32 bit
register encoding. Use it instead of calling sys_reg() directly.
Signed-off-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210106144218.110665-1-alexandru.elisei@arm.com
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The KVM/arm64 PSCI relay assumes that SYSTEM_OFF and SYSTEM_RESET should
not return, as dictated by the PSCI spec. However, there is firmware out
there which breaks this assumption, leading to a hyp panic. Make KVM
more robust to broken firmware by allowing these to return.
Signed-off-by: David Brazdil <dbrazdil@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20201229160059.64135-1-dbrazdil@google.com
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|
Now that all PMU registers are gated behind a .visibility callback,
remove the other checks against an absent PMU.
Signed-off-by: Marc Zyngier <maz@kernel.org>
|
|
It appears that while we are now able to properly hide PMU
registers from the guest when a PMU isn't available (either
because none has been configured, the host doesn't have
the PMU support compiled in, or that the HW doesn't have
one at all), we are still exposing more than we should to
userspace.
Introduce a visibility callback gating all the PMU registers,
which covers both usrespace and guest.
Signed-off-by: Marc Zyngier <maz@kernel.org>
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|
With UBSAN enabled and building with clang, there are occasionally
warnings like
WARNING: modpost: vmlinux.o(.text+0xc533ec): Section mismatch in reference from the function arch_atomic64_or() to the variable .init.data:numa_nodes_parsed
The function arch_atomic64_or() references
the variable __initdata numa_nodes_parsed.
This is often because arch_atomic64_or lacks a __initdata
annotation or the annotation of numa_nodes_parsed is wrong.
for functions that end up not being inlined as intended but operating
on __initdata variables. Mark these as __always_inline, along with
the corresponding asm-generic wrappers.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20210108092024.4034860-1-arnd@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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S_FRAME_SIZE is the size of the pt_regs structure, no longer the size of
the kernel stack frame, the name is misleading. In keeping with arm32,
rename S_FRAME_SIZE to PT_REGS_SIZE.
Signed-off-by: Jianlin Lv <Jianlin.Lv@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20210112015813.2340969-1-Jianlin.Lv@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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This reverts commit 367c820ef08082e68df8a3bc12e62393af21e4b5.
lockup_detector_init() makes heavy use of per-cpu variables and must be
called with preemption disabled. Usually, it's handled early during boot
in kernel_init_freeable(), before SMP has been initialised.
Since we do not know whether or not our PMU interrupt can be signalled
as an NMI until considerably later in the boot process, the Arm PMU
driver attempts to re-initialise the lockup detector off the back of a
device_initcall(). Unfortunately, this is called from preemptible
context and results in the following splat:
| BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1
| caller is debug_smp_processor_id+0x20/0x2c
| CPU: 2 PID: 1 Comm: swapper/0 Not tainted 5.10.0+ #276
| Hardware name: linux,dummy-virt (DT)
| Call trace:
| dump_backtrace+0x0/0x3c0
| show_stack+0x20/0x6c
| dump_stack+0x2f0/0x42c
| check_preemption_disabled+0x1cc/0x1dc
| debug_smp_processor_id+0x20/0x2c
| hardlockup_detector_event_create+0x34/0x18c
| hardlockup_detector_perf_init+0x2c/0x134
| watchdog_nmi_probe+0x18/0x24
| lockup_detector_init+0x44/0xa8
| armv8_pmu_driver_init+0x54/0x78
| do_one_initcall+0x184/0x43c
| kernel_init_freeable+0x368/0x380
| kernel_init+0x1c/0x1cc
| ret_from_fork+0x10/0x30
Rather than bodge this with raw_smp_processor_id() or randomly disabling
preemption, simply revert the culprit for now until we figure out how to
do this properly.
Reported-by: Lecopzer Chen <lecopzer.chen@mediatek.com>
Signed-off-by: Will Deacon <will@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Cc: Sumit Garg <sumit.garg@linaro.org>
Cc: Alexandru Elisei <alexandru.elisei@arm.com>
Link: https://lore.kernel.org/r/20201221162249.3119-1-lecopzer.chen@mediatek.com
Link: https://lore.kernel.org/r/20210112221855.10666-1-will@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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All EL0 returns go via ret_to_user(), which masks IRQs and notifies
lockdep and tracing before calling into do_notify_resume(). Therefore,
there's no need for do_notify_resume() to call trace_hardirqs_off(), and
the comment is stale. The call is simply redundant.
In ret_to_user() we call exit_to_user_mode(), which notifies lockdep and
tracing the IRQs will be enabled in userspace, so there's no need for
el0_svc_common() to call trace_hardirqs_on() before returning. Further,
at the start of ret_to_user() we call trace_hardirqs_off(), so not only
is this redundant, but it is immediately undone.
In addition to being redundant, the trace_hardirqs_on() in
el0_svc_common() leaves lockdep inconsistent with the hardware state,
and is liable to cause issues for any C code or instrumentation
between this and the call to trace_hardirqs_off() which undoes it in
ret_to_user().
This patch removes the redundant tracing calls and associated stale
comments.
Fixes: 23529049c684 ("arm64: entry: fix non-NMI user<->kernel transitions")
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Will Deacon <will@kernel.org>
Cc: James Morse <james.morse@arm.com>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20210107145310.44616-1-mark.rutland@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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The GCC_LPASS_Q6_AXI_CLK and GCC_LPASS_SWAY_CLK clocks may not be
touched on a typical UEFI based SDM845 device, but when the kernel is
built with CONFIG_SDM_LPASSCC_845 this happens, unless they are marked
as protected-clocks in the DT.
This was done for the MTP and the Pocophone, but not for DB845c and the
Lenovo Yoga C630 - causing these to fail to boot if the LPASS clock
controller is enabled (which it typically isn't).
Tested-by: Vinod Koul <vkoul@kernel.org> #on db845c
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Link: https://lore.kernel.org/r/20201222001103.3112306-1-bjorn.andersson@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
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With the introduction of a dynamic ZONE_DMA range based on DT or IORT
information, there's no need for CMA allocations from the wider
ZONE_DMA32 since on most platforms ZONE_DMA will cover the 32-bit
addressable range. Remove the arm64_dma32_phys_limit and set
arm64_dma_phys_limit to cover the smallest DMA range required on the
platform. CMA allocation and crashkernel reservation now go in the
dynamically sized ZONE_DMA, allowing correct functionality on RPi4.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chen Zhou <chenzhou10@huawei.com>
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Tested-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> # On RPi4B
|
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The offset of the reset request register is 0, the absolute address is
0x1e60000. Boards without PSCI support will fail to perform a reset:
[ 26.734700] reboot: Restarting system
[ 27.743259] Unable to restart system
[ 27.746845] Reboot failed -- System halted
Fixes: 8897f3255c9c ("arm64: dts: Add support for NXP LS1028A SoC")
Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
|
|
It recently became apparent that the lack of a 'device_type = "pci"'
in the PCIe root complex node for rk3399 is a violation of the PCI
binding, as documented in IEEE Std 1275-1994. Changes to the kernel's
parsing of the DT made such violation fatal, as drivers cannot
probe the controller anymore.
Add the missing property makes the PCIe node compliant. While we
are at it, drop the pointless linux,pci-domain property, which only
makes sense when there are multiple host bridges.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200815125112.462652-3-maz@kernel.org
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
|
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On Pinebook Pro laptops with an NVMe SSD installed, prevent random
crashes in the NVMe driver by not attempting to use a PCIe link speed
higher than that supported by the RK3399 SoC.
See commit 712fa1777207 ("arm64: dts: rockchip: add max-link-speed for
rk3399").
Fixes: 5a65505a6988 ("arm64: dts: rockchip: Add initial support for Pinebook Pro")
Signed-off-by: Simon South <simon@simonsouth.net>
Link: https://lore.kernel.org/r/20200930185627.5918-1-simon@simonsouth.net
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
|
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The vop-mmu shares the irq with its matched vop but not the vpu.
Fixes: 7053e06b1422 ("arm64: dts: rockchip: add core dtsi file for PX30 SoCs")
Signed-off-by: Sandy Huang <hjc@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Ezequiel Garcia <ezequiel@collabora.com>
Reviewed-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Tested-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Link: https://lore.kernel.org/r/20210108110627.3231226-1-heiko@sntech.de
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Pull kvm fixes from Paolo Bonzini:
"x86:
- Fixes for the new scalable MMU
- Fixes for migration of nested hypervisors on AMD
- Fix for clang integrated assembler
- Fix for left shift by 64 (UBSAN)
- Small cleanups
- Straggler SEV-ES patch
ARM:
- VM init cleanups
- PSCI relay cleanups
- Kill CONFIG_KVM_ARM_PMU
- Fixup __init annotations
- Fixup reg_to_encoding()
- Fix spurious PMCR_EL0 access
Misc:
- selftests cleanups"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (38 commits)
KVM: x86: __kvm_vcpu_halt can be static
KVM: SVM: Add support for booting APs in an SEV-ES guest
KVM: nSVM: cancel KVM_REQ_GET_NESTED_STATE_PAGES on nested vmexit
KVM: nSVM: mark vmcb as dirty when forcingly leaving the guest mode
KVM: nSVM: correctly restore nested_run_pending on migration
KVM: x86/mmu: Clarify TDP MMU page list invariants
KVM: x86/mmu: Ensure TDP MMU roots are freed after yield
kvm: check tlbs_dirty directly
KVM: x86: change in pv_eoi_get_pending() to make code more readable
MAINTAINERS: Really update email address for Sean Christopherson
KVM: x86: fix shift out of bounds reported by UBSAN
KVM: selftests: Implement perf_test_util more conventionally
KVM: selftests: Use vm_create_with_vcpus in create_vm
KVM: selftests: Factor out guest mode code
KVM/SVM: Remove leftover __svm_vcpu_run prototype from svm.c
KVM: SVM: Add register operand to vmsave call in sev_es_vcpu_load
KVM: x86/mmu: Optimize not-present/MMIO SPTE check in get_mmio_spte()
KVM: x86/mmu: Use raw level to index into MMIO walks' sptes array
KVM: x86/mmu: Get root level from walkers when retrieving MMIO SPTE
KVM: x86/mmu: Use -1 to flag an undefined spte in get_mmio_spte()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"These are a small number of bug fixes that all came in before or
during the merge window, most for the omap platform:
- One boot regression fix for Nokia N9 (OMAP3).
- Two small defconfig changes for omap2, to reflect changes in
drivers
- Warning fixes for DT issues on omap2, picoxcell and bitmap SoCs.
The picoxcell platform will be removed in v5.12, but fixing it
first makes it easier to backport to the fix to stable kernels and
get a clean build with new dtc versions"
* tag 'arm-fixes-5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: picoxcell: fix missing interrupt-parent properties
ARM: dts: ux500/golden: Set display max brightness
arm64: dts: bitmain: Use generic "ngpios" rather than "snps,nr-gpios"
ARM: omap2: pmic-cpcap: fix maximum voltage to be consistent with defaults on xt875
ARM: omap2plus_defconfig: enable SPI GPIO
ARM: OMAP2+: omap_device: fix idling of devices during probe
ARM: dts: OMAP3: disable AES on N950/N9
ARM: omap2plus_defconfig: drop unused POWER_AVS option
|
