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Author SHA1 Message Date
Yun Zhou
dd21bfa425 proc: fix documentation and description of pagemap 
Since bit 57 was exported for uffd-wp write-protected (commit
fb8e37f35a2f: "mm/pagemap: export uffd-wp protection information"),
fixing it can reduce some unnecessary confusion.

Link: https://lkml.kernel.org/r/20220301044538.3042713-1-yun.zhou@windriver.com
Fixes: fb8e37f35a ("mm/pagemap: export uffd-wp protection information")
Signed-off-by: Yun Zhou <yun.zhou@windriver.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Tiberiu A Georgescu <tiberiu.georgescu@nutanix.com>
Cc: Florian Schmidt <florian.schmidt@nutanix.com>
Cc: Ivan Teterevkov <ivan.teterevkov@nutanix.com>
Cc: SeongJae Park <sj@kernel.org>
Cc: Yang Shi <shy828301@gmail.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Colin Cross <ccross@google.com>
Cc: Alistair Popple <apopple@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2022-03-05 11:08:33 -08:00
Linus Torvalds
719fce7539 ARM: SoC fixes for v5.17, part 2 
The code changes address mostly minor problems:
 
  - Several NXP/FSL SoC driver fixes, addressing issues with error
    handling and compilation
 
  - Fix a clock disabling imbalance in gpcv2 driver.
 
  - Arm Juno DMA coherency issue
 
  - Trivial firmware driver fixes for op-tee and scmi firmware
 
 The remaining changes address issues in the devicetree files:
 
  - a timer regression for the OMAP devkit8000, which has to use
    the alternative timer.
 
  - A hang in the i.MX8MM power domain configuration
 
  - Multiple fixes for the Rockchip RK3399 addressing issues
    with sound and eMMC
 
  - Cosmetic fixes for i.MX8ULP, RK3xxx, and Tegra124
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Merge tag 'soc-fixes-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "The code changes address mostly minor problems:

   - Several NXP/FSL SoC driver fixes, addressing issues with error
     handling and compilation

   - Fix a clock disabling imbalance in gpcv2 driver.

   - Arm Juno DMA coherency issue

   - Trivial firmware driver fixes for op-tee and scmi firmware

  The remaining changes address issues in the devicetree files:

   - A timer regression for the OMAP devkit8000, which has to use the
     alternative timer.

   - A hang in the i.MX8MM power domain configuration

   - Multiple fixes for the Rockchip RK3399 addressing issues with sound
     and eMMC

   - Cosmetic fixes for i.MX8ULP, RK3xxx, and Tegra124"

* tag 'soc-fixes-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (32 commits)
  ARM: tegra: Move panels to AUX bus
  soc: imx: gpcv2: Fix clock disabling imbalance in error path
  soc: fsl: qe: Check of ioremap return value
  soc: fsl: qe: fix typo in a comment
  soc: fsl: guts: Add a missing memory allocation failure check
  soc: fsl: guts: Revert commit 3c0d64e867
  soc: fsl: Correct MAINTAINERS database (SOC)
  soc: fsl: Correct MAINTAINERS database (QUICC ENGINE LIBRARY)
  soc: fsl: Replace kernel.h with the necessary inclusions
  dt-bindings: fsl,layerscape-dcfg: add missing compatible for lx2160a
  dt-bindings: qoriq-clock: add missing compatible for lx2160a
  ARM: dts: Use 32KiHz oscillator on devkit8000
  ARM: dts: switch timer config to common devkit8000 devicetree
  tee: optee: fix error return code in probe function
  arm64: dts: imx8ulp: Set #thermal-sensor-cells to 1 as required
  arm64: dts: imx8mm: Fix VPU Hanging
  ARM: dts: rockchip: fix a typo on rk3288 crypto-controller
  ARM: dts: rockchip: reorder rk322x hmdi clocks
  firmware: arm_scmi: Remove space in MODULE_ALIAS name
  arm64: dts: agilex: use the compatible "intel,socfpga-agilex-hsotg"
  ...
 2022-02-28 12:51:14 -08:00
Linus Torvalds
98f3e84f8d dma-mapping fix for Linux 5.17 
- fix a swiotlb info leak (Halil Pasic)
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Merge tag 'dma-mapping-5.17-1' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fix from Christoph Hellwig:

 - fix a swiotlb info leak (Halil Pasic)

* tag 'dma-mapping-5.17-1' of git://git.infradead.org/users/hch/dma-mapping:
  swiotlb: fix info leak with DMA_FROM_DEVICE
 2022-02-27 12:42:37 -08:00
Linus Torvalds
2293be58d6 Tracing fixes for 5.17: 
- rtla (Real-Time Linux Analysis tool): fix typo in man page
 
  - rtla: Update API -e to -E before it is released
 
  - rlla: Error message fix and memory leak fix
 
  - Partially uninline trace event soft disable to shrink text
 
  - Fix function graph start up test
 
  - Have triggers affect the trace instance they are in and not top level
 
  - Have osnoise sleep in the units it says it uses
 
  - Remove unused ftrace stub function
 
  - Remove event probe redundant info from event in the buffer
 
  - Fix group ownership setting in tracefs
 
  - Ensure trace buffer is minimum size to prevent crashes
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Merge tag 'trace-v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:

 - rtla (Real-Time Linux Analysis tool):
    - fix typo in man page
    - Update API -e to -E before it is released
    - Error message fix and memory leak fix

 - Partially uninline trace event soft disable to shrink text

 - Fix function graph start up test

 - Have triggers affect the trace instance they are in and not top level

 - Have osnoise sleep in the units it says it uses

 - Remove unused ftrace stub function

 - Remove event probe redundant info from event in the buffer

 - Fix group ownership setting in tracefs

 - Ensure trace buffer is minimum size to prevent crashes

* tag 'trace-v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  rtla/osnoise: Fix error message when failing to enable trace instance
  rtla/osnoise: Free params at the exit
  rtla/hist: Make -E the short version of --entries
  tracing: Fix selftest config check for function graph start up test
  tracefs: Set the group ownership in apply_options() not parse_options()
  tracing/osnoise: Make osnoise_main to sleep for microseconds
  ftrace: Remove unused ftrace_startup_enable() stub
  tracing: Ensure trace buffer is at least 4096 bytes large
  tracing: Uninline trace_trigger_soft_disabled() partly
  eprobes: Remove redundant event type information
  tracing: Have traceon and traceoff trigger honor the instance
  tracing: Dump stacktrace trigger to the corresponding instance
  rtla: Fix systme -> system typo on man page
 2022-02-26 12:10:17 -08:00
Daniel Bristot de Oliveira
dd48f316a1 rtla/hist: Make -E the short version of --entries 
Currently, --entries uses -e as the short version in the hist mode of
timerlat and osnoise tools. But as -e is already used to enable events
on trace sessions by other tools, thus let's keep it available for the
same usage for all rtla tools.

Make -E the short version of --entries for hist mode on all tools.

Note: rtla was merged in this merge window, so rtla was not released yet.

Link: https://lkml.kernel.org/r/5dbf0cbe7364d3a05e708926b41a097c59a02b1e.1645206561.git.bristot@kernel.org

Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
 2022-02-25 21:05:30 -05:00
Linus Torvalds
2800b6d0fc Power management fixes for 5.17-rc6 
Fix the throttle IRQ handling during cpufreq initialization on Qualcomm
 platforms (Bjorn Andersson).
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Merge tag 'pm-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
 "Fix the throttle IRQ handling during cpufreq initialization on
  Qualcomm platforms (Bjorn Andersson)"

* tag 'pm-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpufreq: qcom-hw: Delay enabling throttle_irq
  cpufreq: Reintroduce ready() callback
 2022-02-25 12:17:20 -08:00
Arnd Bergmann
c253bf70c6 NXP/FSL SoC driver fixes for v5.17 
- Add missing SoC compatible in existing binding
 - Replace kernel.h with the necessary inclusions
 - MAINTAINERS file fixes
 - Fix memory allocation failure check in guts driver
 - Various cleanups and minor fixes
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Merge tag 'soc-fsl-fix-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/fixes

NXP/FSL SoC driver fixes for v5.17

- Add missing SoC compatible in existing binding
- Replace kernel.h with the necessary inclusions
- MAINTAINERS file fixes
- Fix memory allocation failure check in guts driver
- Various cleanups and minor fixes

* tag 'soc-fsl-fix-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux:
  soc: fsl: qe: Check of ioremap return value
  soc: fsl: qe: fix typo in a comment
  soc: fsl: guts: Add a missing memory allocation failure check
  soc: fsl: guts: Revert commit 3c0d64e867
  soc: fsl: Correct MAINTAINERS database (SOC)
  soc: fsl: Correct MAINTAINERS database (QUICC ENGINE LIBRARY)
  soc: fsl: Replace kernel.h with the necessary inclusions
  dt-bindings: fsl,layerscape-dcfg: add missing compatible for lx2160a
  dt-bindings: qoriq-clock: add missing compatible for lx2160a

Link: https://lore.kernel.org/r/20220219012208.21835-1-leoyang.li@nxp.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2022-02-25 16:41:17 +01:00
Linus Torvalds
1f840c0ef4 x86 host: 
* Expose KVM_CAP_ENABLE_CAP since it is supported
 
 * Disable KVM_HC_CLOCK_PAIRING in TSC catchup mode
 
 * Ensure async page fault token is nonzero
 
 * Fix lockdep false negative
 
 * Fix FPU migration regression from the AMX changes
 
 x86 guest:
 
 * Don't use PV TLB/IPI/yield on uniprocessor guests
 
 PPC:
 * reserve capability id (topic branch for ppc/kvm)
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "x86 host:

   - Expose KVM_CAP_ENABLE_CAP since it is supported

   - Disable KVM_HC_CLOCK_PAIRING in TSC catchup mode

   - Ensure async page fault token is nonzero

   - Fix lockdep false negative

   - Fix FPU migration regression from the AMX changes

  x86 guest:

   - Don't use PV TLB/IPI/yield on uniprocessor guests

  PPC:

   - reserve capability id (topic branch for ppc/kvm)"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: x86: nSVM: disallow userspace setting of MSR_AMD64_TSC_RATIO to non default value when tsc scaling disabled
  KVM: x86/mmu: make apf token non-zero to fix bug
  KVM: PPC: reserve capability 210 for KVM_CAP_PPC_AIL_MODE_3
  x86/kvm: Don't use pv tlb/ipi/sched_yield if on 1 vCPU
  x86/kvm: Fix compilation warning in non-x86_64 builds
  x86/kvm/fpu: Remove kvm_vcpu_arch.guest_supported_xcr0
  x86/kvm/fpu: Limit guest user_xfeatures to supported bits of XCR0
  kvm: x86: Disable KVM_HC_CLOCK_PAIRING if tsc is in always catchup mode
  KVM: Fix lockdep false negative during host resume
  KVM: x86: Add KVM_CAP_ENABLE_CAP to x86
 2022-02-24 14:05:49 -08:00
Arnd Bergmann
3f96885eb7 i.MX fixes for 5.17, round 2: 
- Drop reset signal from i.MX8MM vpumix power domain to fix a system
   hang.
 - Fix a dtbs_check warning caused by #thermal-sensor-cells in i.MX8ULP
   device tree.
 - Fix a clock disabling imbalance in gpcv2 driver.
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Merge tag 'imx-fixes-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 5.17, round 2:

- Drop reset signal from i.MX8MM vpumix power domain to fix a system
  hang.
- Fix a dtbs_check warning caused by #thermal-sensor-cells in i.MX8ULP
  device tree.
- Fix a clock disabling imbalance in gpcv2 driver.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2022-02-24 22:50:26 +01:00
Rafael J. Wysocki
c5eb92f57d Merge branch 'cpufreq/arm/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm 
Pull ARM cpufreq fixes for 5.18-rc6 from Viresh Kumar:

"This fixes issues related to throttle IRQ for Qcom SoCs."

* 'cpufreq/arm/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
  cpufreq: qcom-hw: Delay enabling throttle_irq
  cpufreq: Reintroduce ready() callback
 2022-02-24 19:54:59 +01:00
Arnaldo Carvalho de Melo
7414db4119 rtla: Fix systme -> system typo on man page 
Link: https://lkml.kernel.org/r/YhZsZxqk+IaFxorj@kernel.org

Fixes: 496082df01 ("rtla: Add rtla osnoise man page")
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
 2022-02-23 21:52:18 -05:00
Linus Torvalds
91318b29a8 Devicetree fixes for v5.17, take 2: 
- Update some maintainers email addresses
 
 - Fix handling of elfcorehdr reservation for crash dump kernel
 
 - Fix unittest expected warnings text
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Merge tag 'devicetree-fixes-for-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:

 - Update some maintainers email addresses

 - Fix handling of elfcorehdr reservation for crash dump kernel

 - Fix unittest expected warnings text

* tag 'devicetree-fixes-for-5.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  dt-bindings: update Roger Quadros email
  MAINTAINERS: sifive: drop Yash Shah
  of/fdt: move elfcorehdr reservation early for crash dump kernel
  of: unittest: update text of expected warnings
 2022-02-23 17:25:22 -08:00
Krzysztof Kozlowski
0c0822bcb7 dt-bindings: update Roger Quadros email 
Emails to Roger Quadros TI account bounce with:
  550 Invalid recipient <rogerq@ti.com> (#5.1.1)

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Roger Quadros <rogerq@kernel.org>
Acked-By: Vinod Koul <vkoul@kernel.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220221100701.48593-1-krzysztof.kozlowski@canonical.com
 2022-02-22 16:06:31 -06:00
Krzysztof Kozlowski
34f3eda8c8 MAINTAINERS: sifive: drop Yash Shah 
Emails to Yash Shah bounce with "The email account that you tried to
reach does not exist.", so drop him from all maintainer entries.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220214082349.162973-1-krzysztof.kozlowski@canonical.com
 2022-02-22 15:15:39 -06:00
Paolo Bonzini
1e2277ed70 Merge branch 'kvm-ppc-cap-210' into kvm-master 
By request of Nick Piggin:

> Patch 3 requires a KVM_CAP_PPC number allocated. QEMU maintainers are
> happy with it (link in changelog) just waiting on KVM upstreaming. Do
> you have objections to the series going to ppc/kvm tree first, or
> another option is you could take patch 3 alone first (it's relatively
> independent of the other 2) and ppc/kvm gets it from you?
 2022-02-22 09:07:16 -05:00
Nicholas Piggin
93b71801a8 KVM: PPC: reserve capability 210 for KVM_CAP_PPC_AIL_MODE_3 
Add KVM_CAP_PPC_AIL_MODE_3 to advertise the capability to set the AIL
resource mode to 3 with the H_SET_MODE hypercall. This capability
differs between processor types and KVM types (PR, HV, Nested HV), and
affects guest-visible behaviour.

QEMU will implement a cap-ail-mode-3 to control this behaviour[1], and
use the KVM CAP if available to determine KVM support[2].

Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2022-02-22 09:06:54 -05:00
Linus Torvalds
70d2bec7c5 Power Supply Fixes for 5.17 cycle 
Three regression fixes for the 5.17 cycle:
 
 1. build warning fix for power-supply documentation
 2. pointer size fix in cw2015 battery driver
 3. OOM handling in bq256xx charger driver
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Merge tag 'for-v5.17-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply

Pull power supply fixes from Sebastian Reichel:
 "Three regression fixes for the 5.17 cycle:

   - build warning fix for power-supply documentation

   - pointer size fix in cw2015 battery driver

   - OOM handling in bq256xx charger driver"

* tag 'for-v5.17-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply:
  power: supply: bq256xx: Handle OOM correctly
  power: supply: core: fix application of sizeof to pointer
  power: supply: fix table problem in sysfs-class-power
 2022-02-20 11:07:46 -08:00
Li Yang
6b4266b8de dt-bindings: fsl,layerscape-dcfg: add missing compatible for lx2160a 
The compatible string is already in use, fix the chip list in binding to
include it.

Signed-off-by: Li Yang <leoyang.li@nxp.com>
Acked-by: Rob Herring <robh@kernel.org>
 2022-02-18 17:11:16 -06:00
Li Yang
efd12405f1 dt-bindings: qoriq-clock: add missing compatible for lx2160a 
The compatible string is already in use, fix the binding to include it.

Signed-off-by: Li Yang <leoyang.li@nxp.com>
Acked-by: Rob Herring <robh@kernel.org>
 2022-02-18 17:11:16 -06:00
Linus Torvalds
2848551bc6 sound fixes for 5.17-rc5 
A collection of small patches, mostly for old and new regressions
 and device-specific fixes.
 
 - Regression fixes regarding ALSA core SG-buffer helpers
 - Regression fix for Realtek HD-audio mutex deadlock
 - Regression fix for USB-audio PM resume error
 - More coverage of ASoC core control API notification fixes
 - Old regression fixes for HD-audio probe mask
 - Fixes for ASoC Realtek codec work handling
 - Other device-specific quirks / fixes
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Merge tag 'sound-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A collection of small patches, mostly for old and new regressions and
  device-specific fixes.

   - Regression fixes regarding ALSA core SG-buffer helpers

   - Regression fix for Realtek HD-audio mutex deadlock

   - Regression fix for USB-audio PM resume error

   - More coverage of ASoC core control API notification fixes

   - Old regression fixes for HD-audio probe mask

   - Fixes for ASoC Realtek codec work handling

   - Other device-specific quirks / fixes"

* tag 'sound-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (24 commits)
  ASoC: intel: skylake: Set max DMA segment size
  ASoC: SOF: hda: Set max DMA segment size
  ALSA: hda: Set max DMA segment size
  ALSA: hda/realtek: Fix deadlock by COEF mutex
  ALSA: usb-audio: Don't abort resume upon errors
  ALSA: hda: Fix missing codec probe on Shenker Dock 15
  ALSA: hda: Fix regression on forced probe mask option
  ALSA: hda/realtek: Add quirk for Legion Y9000X 2019
  ALSA: usb-audio: revert to IMPLICIT_FB_FIXED_DEV for M-Audio FastTrack Ultra
  ASoC: wm_adsp: Correct control read size when parsing compressed buffer
  ASoC: qcom: Actually clear DMA interrupt register for HDMI
  ALSA: memalloc: invalidate SG pages before sync
  ALSA: memalloc: Fix dma_need_sync() checks
  MAINTAINERS: update cros_ec_codec maintainers
  ASoC: rt5682: do not block workqueue if card is unbound
  ASoC: rt5668: do not block workqueue if card is unbound
  ASoC: rt5682s: do not block workqueue if card is unbound
  ASoC: tas2770: Insert post reset delay
  ASoC: Revert "ASoC: mediatek: Check for error clk pointer"
  ASoC: amd: acp: Set gpio_spkr_en to None for max speaker amplifer in machine driver
  ...
 2022-02-18 09:20:52 -08:00
Arnd Bergmann
35f5417911 SoCFPGA dts updates for v5.18, part 2 
- Add the "intel,socfpga-agilex-hsotg" compatible for Agilex platform
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Merge tag 'socfpga_dts_update_for_v5.18_part2' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into arm/fixes

SoCFPGA dts updates for v5.18, part 2
- Add the "intel,socfpga-agilex-hsotg" compatible for Agilex platform

* tag 'socfpga_dts_update_for_v5.18_part2' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux:
  arm64: dts: agilex: use the compatible "intel,socfpga-agilex-hsotg"
  dt-bindings: usb: dwc2: add compatible "intel,socfpga-agilex-hsotg"

Link: https://lore.kernel.org/r/20220211112556.98940-2-dinguyen@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2022-02-18 17:28:44 +01:00
Aaron Lewis
127770ac0d KVM: x86: Add KVM_CAP_ENABLE_CAP to x86 
Follow the precedent set by other architectures that support the VCPU
ioctl, KVM_ENABLE_CAP, and advertise the VM extension, KVM_CAP_ENABLE_CAP.
This way, userspace can ensure that KVM_ENABLE_CAP is available on a
vcpu before using it.

Fixes: 5c919412fe ("kvm/x86: Hyper-V synthetic interrupt controller")
Signed-off-by: Aaron Lewis <aaronlewis@google.com>
Message-Id: <20220214212950.1776943-1-aaronlewis@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2022-02-17 09:52:50 -05:00
Takashi Iwai
5948342a52 ASoC: Fixes for v5.18 
More fixes that have arrived in the past few -rcs, plus a MAINTAINERS
 update.  The biggest update here is the fix for control change
 notifications in ASoC generic controls found by mixer-test.
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Merge tag 'asoc-fix-v5.17-rc4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v5.18

More fixes that have arrived in the past few -rcs, plus a MAINTAINERS
update.  The biggest update here is the fix for control change
notifications in ASoC generic controls found by mixer-test.
 2022-02-14 17:55:39 +01:00
Halil Pasic
ddbd89deb7 swiotlb: fix info leak with DMA_FROM_DEVICE 
The problem I'm addressing was discovered by the LTP test covering
cve-2018-1000204.

A short description of what happens follows:
1) The test case issues a command code 00 (TEST UNIT READY) via the SG_IO
   interface with: dxfer_len == 524288, dxdfer_dir == SG_DXFER_FROM_DEV
   and a corresponding dxferp. The peculiar thing about this is that TUR
   is not reading from the device.
2) In sg_start_req() the invocation of blk_rq_map_user() effectively
   bounces the user-space buffer. As if the device was to transfer into
   it. Since commit a45b599ad8 ("scsi: sg: allocate with __GFP_ZERO in
   sg_build_indirect()") we make sure this first bounce buffer is
   allocated with GFP_ZERO.
3) For the rest of the story we keep ignoring that we have a TUR, so the
   device won't touch the buffer we prepare as if the we had a
   DMA_FROM_DEVICE type of situation. My setup uses a virtio-scsi device
   and the  buffer allocated by SG is mapped by the function
   virtqueue_add_split() which uses DMA_FROM_DEVICE for the "in" sgs (here
   scatter-gather and not scsi generics). This mapping involves bouncing
   via the swiotlb (we need swiotlb to do virtio in protected guest like
   s390 Secure Execution, or AMD SEV).
4) When the SCSI TUR is done, we first copy back the content of the second
   (that is swiotlb) bounce buffer (which most likely contains some
   previous IO data), to the first bounce buffer, which contains all
   zeros.  Then we copy back the content of the first bounce buffer to
   the user-space buffer.
5) The test case detects that the buffer, which it zero-initialized,
  ain't all zeros and fails.

One can argue that this is an swiotlb problem, because without swiotlb
we leak all zeros, and the swiotlb should be transparent in a sense that
it does not affect the outcome (if all other participants are well
behaved).

Copying the content of the original buffer into the swiotlb buffer is
the only way I can think of to make swiotlb transparent in such
scenarios. So let's do just that if in doubt, but allow the driver
to tell us that the whole mapped buffer is going to be overwritten,
in which case we can preserve the old behavior and avoid the performance
impact of the extra bounce.

Signed-off-by: Halil Pasic <pasic@linux.ibm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
 2022-02-14 10:22:28 +01:00
Linus Torvalds
c5d714aa6d Interrupt chip driver fixes: 
- Don't install an hotplug notifier for GICV3-ITS on systems which do not
     need it to prevent a warning in the notifier about inconsistent state
 
   - Add the missing device tree matching for the T-HEAD PLIC variant so the
     related SoC is properly supported.
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Merge tag 'irq-urgent-2022-02-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fixes from Thomas Gleixner:
 "Interrupt chip driver fixes:

   - Don't install an hotplug notifier for GICV3-ITS on systems which do
     not need it to prevent a warning in the notifier about inconsistent
     state

   - Add the missing device tree matching for the T-HEAD PLIC variant so
     the related SoC is properly supported"

* tag 'irq-urgent-2022-02-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/sifive-plic: Add missing thead,c900-plic match string
  dt-bindings: update riscv plic compatible string
  irqchip/gic-v3-its: Skip HP notifier when no ITS is registered
 2022-02-13 10:06:40 -08:00
Linus Torvalds
83e3966411 ARM: SoC fixes for 5.17 
This is a fairly large set of bugfixes, most of which had
 been sent a while ago but only now made it into the soc tree:
 
 Maintainer file updates:
 
  - Claudiu Beznea now co-maintains the at91 soc family,
    replacing Ludovic Desroches.
 
  - Michael Walle maintains the sl28cpld drivers
 
  - Alain Volmat and Raphael Gallais-Pou take over some
    drivers for ST platforms
 
  - Alim Akhtar is an additional reviewer for Samsung platforms
 
 Code fixes:
 
  - Op-tee had a problem with object lifetime that needs
    a slightly complex fix, as well as another bug with
    error handling.
 
  - Several minor issues for the OMAP platform, including
    a regression with the timer
 
  - A Kconfig change to fix a build-time issue on Intel
    SoCFPGA
 
 Device tree fixes:
 
  - The Amlogic Meson platform fixes a boot regression on
    am1-odroid, a spurious interrupt, and a problem with
    reserved memory regions
 
  - In the i.MX platform, several bug fixes are needed to
    make devices work correctly: SD card detection,
    alarmtimer, and sound card on some board. One patch
    for the GPU got in there by accident and gets reverted
    again.
 
  - TI K3 needs a fix for J721S2 serial port numbers
 
  - ux500 needs a fix to mount the SD card as root on
    the Skomer phone.
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Merge tag 'soc-fixes-5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "This is a fairly large set of bugfixes, most of which had been sent a
  while ago but only now made it into the soc tree:

  Maintainer file updates:

   - Claudiu Beznea now co-maintains the at91 soc family, replacing
     Ludovic Desroches.

   - Michael Walle maintains the sl28cpld drivers

   - Alain Volmat and Raphael Gallais-Pou take over some drivers for ST
     platforms

   - Alim Akhtar is an additional reviewer for Samsung platforms

  Code fixes:

   - Op-tee had a problem with object lifetime that needs a slightly
     complex fix, as well as another bug with error handling.

   - Several minor issues for the OMAP platform, including a regression
     with the timer

   - A Kconfig change to fix a build-time issue on Intel SoCFPGA

  Device tree fixes:

   - The Amlogic Meson platform fixes a boot regression on am1-odroid, a
     spurious interrupt, and a problem with reserved memory regions

   - In the i.MX platform, several bug fixes are needed to make devices
     work correctly: SD card detection, alarmtimer, and sound card on
     some board. One patch for the GPU got in there by accident and gets
     reverted again.

   - TI K3 needs a fix for J721S2 serial port numbers

   - ux500 needs a fix to mount the SD card as root on the Skomer phone"

* tag 'soc-fixes-5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (46 commits)
  Revert "arm64: dts: imx8mn-venice-gw7902: disable gpu"
  arm64: Remove ARCH_VULCAN
  MAINTAINERS: add myself as a maintainer for the sl28cpld
  MAINTAINERS: add IRC to ARM sub-architectures and Devicetree
  MAINTAINERS: arm: samsung: add Git tree and IRC
  ARM: dts: Fix boot regression on Skomer
  ARM: dts: spear320: Drop unused and undocumented 'irq-over-gpio' property
  soc: aspeed: lpc-ctrl: Block error printing on probe defer cases
  docs/ABI: testing: aspeed-uart-routing: Escape asterisk
  MAINTAINERS: update drm/stm drm/sti and cec/sti maintainers
  MAINTAINERS: Update Benjamin Gaignard maintainer status
  ARM: socfpga: fix missing RESET_CONTROLLER
  arm64: dts: meson-sm1-odroid: fix boot loop after reboot
  arm64: dts: meson-g12: drop BL32 region from SEI510/SEI610
  arm64: dts: meson-g12: add ATF BL32 reserved-memory region
  arm64: dts: meson-gx: add ATF BL32 reserved-memory region
  arm64: dts: meson-sm1-bananapi-m5: fix wrong GPIO domain for GPIOE_2
  arm64: dts: meson-sm1-odroid: use correct enable-gpio pin for tf-io regulator
  arm64: dts: meson-g12b-odroid-n2: fix typo 'dio2133'
  optee: use driver internal tee_context for some rpc
  ...
 2022-02-11 13:40:03 -08:00
Arnd Bergmann
a8cd28553f AT91 fixes #1 for 5.17: 
- MAINTAINERS file update.
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Merge tag 'at91-fixes-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into arm/fixes

AT91 fixes #1 for 5.17:

- MAINTAINERS file update.

* tag 'at91-fixes-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
  dt-bindings: ARM: at91: update maintainers entry
  MAINTAINERS: replace a Microchip AT91 maintainer

Link: https://lore.kernel.org/r/20220211133515.15314-1-nicolas.ferre@microchip.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2022-02-11 22:13:18 +01:00
Linus Torvalds
ff00854812 linux-kselftest-kunit-fixes-5.17-rc4 
This KUnit fixes update for Linux 5.17-rc4 consists of bug fixes
 to the test and usage documentation.
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Merge tag 'linux-kselftest-kunit-fixes-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull KUnit fixes from Shuah Khan:
 "Fixes to the test and usage documentation"

* tag 'linux-kselftest-kunit-fixes-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  Documentation: KUnit: Fix usage bug
  kunit: fix missing f in f-string in run_checks.py
 2022-02-10 15:39:59 -08:00
Dinh Nguyen
728390fce4 dt-bindings: usb: dwc2: add compatible "intel,socfpga-agilex-hsotg" 
Add the compatible "intel,socfpga-agilex-hsotg" to the DWC2
implementation, because the Agilex DWC2 implementation does not support
clock gating.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
 2022-02-09 13:18:13 -06:00
Tzung-Bi Shih
e4e3a93c6e
MAINTAINERS: update cros_ec_codec maintainers 
Updates cros_ec_codec maintainers.

Signed-off-by: Tzung-Bi Shih <tzungbi@google.com>
Acked-By: Cheng-Yi Chiang <cychiang@chromium.org>
Acked-By: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20220208031242.227563-1-tzungbi@google.com
Signed-off-by: Mark Brown <broonie@kernel.org>
 2022-02-09 14:36:05 +00:00
Nicolas Ferre
26077968f8 dt-bindings: ARM: at91: update maintainers entry 
Align the binding documentation with the newly updated MAINTAINERS
entry.

Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Acked-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Link: https://lore.kernel.org/r/5bf9873eeee3cd49c52a8952a7cd4cb60b61d50a.1643553501.git.nicolas.ferre@microchip.com
 2022-02-09 11:30:01 +01:00
Bjorn Andersson
4f774c4a65 cpufreq: Reintroduce ready() callback 
This effectively revert '4bf8e582119e ("cpufreq: Remove ready()
callback")', in order to reintroduce the ready callback.

This is needed in order to be able to leave the thermal pressure
interrupts in the Qualcomm CPUfreq driver disabled during
initialization, so that it doesn't fire while related_cpus are still 0.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
[ Viresh: Added the Chinese translation as well and updated commit msg ]
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
 2022-02-09 13:18:49 +05:30
Akira Kawata
92a68053c3 Documentation: KUnit: Fix usage bug 
Fix a bug of kunit documentation.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=205773

: Quoting Steve Pfetsch:
:
: kunit documentation is incorrect:
: https://kunit.dev/third_party/stable_kernel/docs/usage.html
: struct rectangle *self = container_of(this, struct shape, parent);
:
:
: Shouldn't it be:
: struct rectangle *self = container_of(this, struct rectangle, parent);
: ?

Signed-off-by: Akira Kawata <akirakawata1@gmail.com>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
 2022-02-08 13:16:20 -07:00
Chia-Wei Wang
088400521e
docs/ABI: testing: aspeed-uart-routing: Escape asterisk 
Escape asterisk symbols to fix the following warning:

"WARNING: Inline emphasis start-string without end-string"

Fixes: c6807970c3 ("soc: aspeed: Add UART routing support")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Chia-Wei Wang <chiawei_wang@aspeedtech.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20220124014351.9121-1-chiawei_wang@aspeedtech.com
Link: https://lore.kernel.org/r/20220201070027.196314-1-joel@jms.id.au'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2022-02-08 09:52:41 +01:00
Arnd Bergmann
486343d372 Fixes for omaps 
A series of fixes for omap variants for minor issues, and a fix for a timer
 regression for some omap3 beagleboard versions.
 
 The timer fix needs to patch both the dts and the timer code because
 otherwise the timer quirk handling for old dtbs will prevent the dts fix
 from working.
 
 The other changes are for issues found by automated analysis, a macasp
 typo fix, and two cosmetic fixes for clocks.
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Merge tag 'omap-for-v5.17/fixes-for-merge-window-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes

Fixes for omaps

A series of fixes for omap variants for minor issues, and a fix for a timer
regression for some omap3 beagleboard versions.

The timer fix needs to patch both the dts and the timer code because
otherwise the timer quirk handling for old dtbs will prevent the dts fix
from working.

The other changes are for issues found by automated analysis, a macasp
typo fix, and two cosmetic fixes for clocks.

* tag 'omap-for-v5.17/fixes-for-merge-window-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: Don't use legacy clock defines for dra7 clkctrl
  clk: ti: Move dra7 clock devices out of the legacy section
  ARM: dts: Fix timer regression for beagleboard revision c
  ARM: dts: am335x-wega: Fix typo in mcasp property rx-num-evt
  ARM: OMAP2+: adjust the location of put_device() call in omapdss_init_of
  ARM: OMAP2+: hwmod: Add of_node_put() before break

Link: https://lore.kernel.org/r/pull-1641801310-149268@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2022-02-07 17:42:44 +01:00
Linus Torvalds
90c9e950c0 xen: branch for v5.17-rc3 
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Merge tag 'for-linus-5.17a-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fixes from Juergen Gross:

 - documentation fixes related to Xen

 - enable x2apic mode when available when running as hardware
   virtualized guest under Xen

 - cleanup and fix a corner case of vcpu enumeration when running a
   paravirtualized Xen guest

* tag 'for-linus-5.17a-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  x86/Xen: streamline (and fix) PV CPU enumeration
  xen: update missing ioctl magic numers documentation
  Improve docs for IOCTL_GNTDEV_MAP_GRANT_REF
  xen: xenbus_dev.h: delete incorrect file name
  xen/x2apic: enable x2apic mode when supported for HVM
 2022-02-05 10:40:17 -08:00
Linus Torvalds
5fdb26213f ARM: 
* A couple of fixes when handling an exception while a SError has been delivered
 
 * Workaround for Cortex-A510's single-step erratum
 
 RISCV:
 
 * Make CY, TM, and IR counters accessible in VU mode
 
 * Fix SBI implementation version
 
 x86:
 
 * Report deprecation of x87 features in supported CPUID
 
 * Preparation for fixing an interrupt delivery race on AMD hardware
 
 * Sparse fix
 
 All except POWER and s390:
 
 * Rework guest entry code to correctly mark noinstr areas and fix vtime'
   accounting (for x86, this was already mostly correct but not entirely;
   for ARM, MIPS and RISC-V it wasn't)
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "ARM:

   - A couple of fixes when handling an exception while a SError has
     been delivered

   - Workaround for Cortex-A510's single-step erratum

  RISC-V:

   - Make CY, TM, and IR counters accessible in VU mode

   - Fix SBI implementation version

  x86:

   - Report deprecation of x87 features in supported CPUID

   - Preparation for fixing an interrupt delivery race on AMD hardware

   - Sparse fix

  All except POWER and s390:

   - Rework guest entry code to correctly mark noinstr areas and fix
     vtime' accounting (for x86, this was already mostly correct but not
     entirely; for ARM, MIPS and RISC-V it wasn't)"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: x86: Use ERR_PTR_USR() to return -EFAULT as a __user pointer
  KVM: x86: Report deprecated x87 features in supported CPUID
  KVM: arm64: Workaround Cortex-A510's single-step and PAC trap errata
  KVM: arm64: Stop handle_exit() from handling HVC twice when an SError occurs
  KVM: arm64: Avoid consuming a stale esr value when SError occur
  RISC-V: KVM: Fix SBI implementation version
  RISC-V: KVM: make CY, TM, and IR counters accessible in VU mode
  kvm/riscv: rework guest entry logic
  kvm/arm64: rework guest entry logic
  kvm/x86: rework guest entry logic
  kvm/mips: rework guest entry logic
  kvm: add guest_state_{enter,exit}_irqoff()
  KVM: x86: Move delivery of non-APICv interrupt into vendor code
  kvm: Move KVM_GET_XSAVE2 IOCTL definition at the end of kvm.h
 2022-02-05 09:55:59 -08:00
Linus Torvalds
31462d9e47 drm fixes for 5.17-rc3 
fbdev:
 - readd fbcon acceleration
 
 i915:
 - fix DP monitor via type-c dock
 - fix for engine busyness and read timeout with GuC
 - use ALLOW_FAIL for error capture buffer allocs
 - don't use interruptible lock on error paths
 - smatch fix to reject zero sized overlays.
 
 amdgpu:
 - mGPU fan boost fix for beige goby
 - S0ix fixes
 - Cyan skillfish hang fix
 - DCN fixes for DCN 3.1
 - DCN fixes for DCN 3.01
 - Apple retina panel fix
 - ttm logic inversion fix
 
 dma-buf:
 - heaps: fix potential spectre v1 gadget
 
 kmb:
 - fix potential oob access
 
 mxsfb:
 - fix NULL ptr deref
 
 nouveau:
 - fix potential oob access during BIOS decode
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Merge tag 'drm-fixes-2022-02-04' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Regular fixes for the week. Daniel has agreed to bring back the fbcon
  hw acceleration under a CONFIG option for the non-drm fbdev users, we
  don't advise turning this on unless you are in the niche that is old
  fbdev drivers, Since it's essentially a revert and shouldn't be high
  impact seemed like a good time to do it now.

  Otherwise, i915 and amdgpu fixes are most of it, along with some minor
  fixes elsewhere.

  fbdev:
   - readd fbcon acceleration

  i915:
   - fix DP monitor via type-c dock
   - fix for engine busyness and read timeout with GuC
   - use ALLOW_FAIL for error capture buffer allocs
   - don't use interruptible lock on error paths
   - smatch fix to reject zero sized overlays.

  amdgpu:
   - mGPU fan boost fix for beige goby
   - S0ix fixes
   - Cyan skillfish hang fix
   - DCN fixes for DCN 3.1
   - DCN fixes for DCN 3.01
   - Apple retina panel fix
   - ttm logic inversion fix

  dma-buf:
   - heaps: fix potential spectre v1 gadget

  kmb:
   - fix potential oob access

  mxsfb:
   - fix NULL ptr deref

  nouveau:
   - fix potential oob access during BIOS decode"

* tag 'drm-fixes-2022-02-04' of git://anongit.freedesktop.org/drm/drm: (24 commits)
  drm: mxsfb: Fix NULL pointer dereference
  drm/amdgpu: fix logic inversion in check
  drm/amd: avoid suspend on dGPUs w/ s2idle support when runtime PM enabled
  drm/amd/display: Force link_rate as LINK_RATE_RBR2 for 2018 15" Apple Retina panels
  drm/amd/display: revert "Reset fifo after enable otg"
  drm/amd/display: watermark latencies is not enough on DCN31
  drm/amd/display: Update watermark values for DCN301
  drm/amdgpu: fix a potential GPU hang on cyan skillfish
  drm/amd: Only run s3 or s0ix if system is configured properly
  drm/amd: add support to check whether the system is set to s3
  fbcon: Add option to enable legacy hardware acceleration
  Revert "fbcon: Disable accelerated scrolling"
  Revert "fbdev: Garbage collect fbdev scrolling acceleration, part 1 (from TODO list)"
  drm/i915/pmu: Fix KMD and GuC race on accessing busyness
  dma-buf: heaps: Fix potential spectre v1 gadget
  drm/amd: Warn users about potential s0ix problems
  drm/amd/pm: correct the MGpuFanBoost support for Beige Goby
  drm/nouveau: fix off by one in BIOS boundary checking
  drm/i915/adlp: Fix TypeC PHY-ready status readout
  drm/i915/pmu: Use PM timestamp instead of RING TIMESTAMP for reference
  ...
 2022-02-04 11:13:54 -08:00
Linus Torvalds
633a8e8986 7 smb3 fixes, one for stable, the rest fscache related, and an fscache helper 
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Merge tag '5.17-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "SMB3 client fixes including:

   - multiple fscache related fixes, reenabling ability to read/write to
     cached files for cifs.ko (that was temporarily disabled for cifs.ko
     a few weeks ago due to the recent fscache changes)

   - also includes a new fscache helper function ("query_occupancy")
     used by above

   - fix for multiuser mounts and NTLMSSP auth (workstation name) for
     stable

   - fix locking ordering problem in multichannel code

   - trivial malformed comment fix"

* tag '5.17-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: fix workstation_name for multiuser mounts
  Invalidate fscache cookie only when inode attributes are changed.
  cifs: Fix the readahead conversion to manage the batch when reading from cache
  cifs: Implement cache I/O by accessing the cache directly
  netfs, cachefiles: Add a method to query presence of data in the cache
  cifs: Transition from ->readpages() to ->readahead()
  cifs: unlock chan_lock before calling cifs_put_tcp_session
  Fix a warning about a malformed kernel doc comment in cifs
 2022-02-04 09:34:37 -08:00
Dave Airlie
8ea2c5187d * dma-buf/heaps: Fix potential spectre v1 gadget 
* drm/kmb: Fix potential out-of-bounds access
  * drm/mxsfb: Fix NULL-pointer dereference
  * drm/nouveau: Fix potential out-of-bounds access in BIOS decoding
  * fbdev: Re-add support for fbcon hardware acceleration
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Merge tag 'drm-misc-fixes-2022-02-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

 * dma-buf/heaps: Fix potential spectre v1 gadget
 * drm/kmb: Fix potential out-of-bounds access
 * drm/mxsfb: Fix NULL-pointer dereference
 * drm/nouveau: Fix potential out-of-bounds access in BIOS decoding
 * fbdev: Re-add support for fbcon hardware acceleration

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/Yfu8mTZQUNt1RwZd@linux-uq9g
 2022-02-04 14:43:35 +10:00
Linus Torvalds
eb2eb5161c Networking fixes for 5.17-rc3, including fixes from bpf, netfilter, 
and ieee802154.
 
 Current release - regressions:
 
  - Partially revert "net/smc: Add netlink net namespace support",
    fix uABI breakage
 
  - netfilter:
      - nft_ct: fix use after free when attaching zone template
      - nft_byteorder: track register operations
 
 Previous releases - regressions:
 
  - ipheth: fix EOVERFLOW in ipheth_rcvbulk_callback
 
  - phy: qca8081: fix speeds lower than 2.5Gb/s
 
  - sched: fix use-after-free in tc_new_tfilter()
 
 Previous releases - always broken:
 
  - tcp: fix mem under-charging with zerocopy sendmsg()
 
  - tcp: add missing tcp_skb_can_collapse() test in tcp_shift_skb_data()
 
  - neigh: do not trigger immediate probes on NUD_FAILED from
    neigh_managed_work, avoid a deadlock
 
  - bpf: use VM_MAP instead of VM_ALLOC for ringbuf, avoid KASAN
    false-positives
 
  - netfilter: nft_reject_bridge: fix for missing reply from prerouting
 
  - smc: forward wakeup to smc socket waitqueue after fallback
 
  - ieee802154:
      - return meaningful error codes from the netlink helpers
      - mcr20a: fix lifs/sifs periods
      - at86rf230, ca8210: stop leaking skbs on error paths
 
  - macsec: add missing un-offload call for NETDEV_UNREGISTER of parent
 
  - ax25: add refcount in ax25_dev to avoid UAF bugs
 
  - eth: mlx5e:
      - fix SFP module EEPROM query
      - fix broken SKB allocation in HW-GRO
      - IPsec offload: fix tunnel mode crypto for non-TCP/UDP flows
 
  - eth: amd-xgbe:
      - fix skb data length underflow
      - ensure reset of the tx_timer_active flag, avoid Tx timeouts
 
  - eth: stmmac: fix runtime pm use in stmmac_dvr_remove()
 
  - eth: e1000e: handshake with CSME starts from Alder Lake platforms
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from bpf, netfilter, and ieee802154.

  Current release - regressions:

   - Partially revert "net/smc: Add netlink net namespace support", fix
     uABI breakage

   - netfilter:
      - nft_ct: fix use after free when attaching zone template
      - nft_byteorder: track register operations

  Previous releases - regressions:

   - ipheth: fix EOVERFLOW in ipheth_rcvbulk_callback

   - phy: qca8081: fix speeds lower than 2.5Gb/s

   - sched: fix use-after-free in tc_new_tfilter()

  Previous releases - always broken:

   - tcp: fix mem under-charging with zerocopy sendmsg()

   - tcp: add missing tcp_skb_can_collapse() test in
     tcp_shift_skb_data()

   - neigh: do not trigger immediate probes on NUD_FAILED from
     neigh_managed_work, avoid a deadlock

   - bpf: use VM_MAP instead of VM_ALLOC for ringbuf, avoid KASAN
     false-positives

   - netfilter: nft_reject_bridge: fix for missing reply from prerouting

   - smc: forward wakeup to smc socket waitqueue after fallback

   - ieee802154:
      - return meaningful error codes from the netlink helpers
      - mcr20a: fix lifs/sifs periods
      - at86rf230, ca8210: stop leaking skbs on error paths

   - macsec: add missing un-offload call for NETDEV_UNREGISTER of parent

   - ax25: add refcount in ax25_dev to avoid UAF bugs

   - eth: mlx5e:
      - fix SFP module EEPROM query
      - fix broken SKB allocation in HW-GRO
      - IPsec offload: fix tunnel mode crypto for non-TCP/UDP flows

   - eth: amd-xgbe:
      - fix skb data length underflow
      - ensure reset of the tx_timer_active flag, avoid Tx timeouts

   - eth: stmmac: fix runtime pm use in stmmac_dvr_remove()

   - eth: e1000e: handshake with CSME starts from Alder Lake platforms"

* tag 'net-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (69 commits)
  ax25: fix reference count leaks of ax25_dev
  net: stmmac: ensure PTP time register reads are consistent
  net: ipa: request IPA register values be retained
  dt-bindings: net: qcom,ipa: add optional qcom,qmp property
  tools/resolve_btfids: Do not print any commands when building silently
  bpf: Use VM_MAP instead of VM_ALLOC for ringbuf
  net, neigh: Do not trigger immediate probes on NUD_FAILED from neigh_managed_work
  tcp: add missing tcp_skb_can_collapse() test in tcp_shift_skb_data()
  net: sparx5: do not refer to skb after passing it on
  Partially revert "net/smc: Add netlink net namespace support"
  net/mlx5e: Avoid field-overflowing memcpy()
  net/mlx5e: Use struct_group() for memcpy() region
  net/mlx5e: Avoid implicit modify hdr for decap drop rule
  net/mlx5e: IPsec: Fix tunnel mode crypto offload for non TCP/UDP traffic
  net/mlx5e: IPsec: Fix crypto offload for non TCP/UDP encapsulated traffic
  net/mlx5e: Don't treat small ceil values as unlimited in HTB offload
  net/mlx5: E-Switch, Fix uninitialized variable modact
  net/mlx5e: Fix handling of wrong devices during bond netevent
  net/mlx5e: Fix broken SKB allocation in HW-GRO
  net/mlx5e: Fix wrong calculation of header index in HW_GRO
  ...
 2022-02-03 16:54:18 -08:00
Linus Torvalds
25b20ae815 linux-kselftest-fixes-5.17-rc3 
This Kselftest fixes update for Linux 5.17-rc3 consists of important
 fixes to several tests and documentation clarification on running
 mainline kselftest on stable releases. A few notable fixes:
 
 - fix kselftest run hang due to child processes that haven't been
   terminated. Fix signals all child processes
 - fix false pass/fail results from vdso_test_abi, openat2, mincore
 - build failures when using -j (multiple jobs) option
 - exec test build failure due to incorrect build rule for a run-time
   created "pipe"
 - zram test fixes related to interaction with zram-generator to
   make sure zram test to coordinate deleted with zram-generator
 - zram test compression ratio calculation fix and skipping
   max_comp_streams.
 - increasing rtc test timeout
 - cpufreq test to write test results to stdout which will necessary on
   automated test systems
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Merge tag 'linux-kselftest-fixes-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull Kselftest fixes from Shuah Khan:
 "Important fixes to several tests and documentation clarification on
  running mainline kselftest on stable releases. A few notable fixes:

   - fix kselftest run hang due to child processes that haven't been
     terminated. Fix signals all child processes

   - fix false pass/fail results from vdso_test_abi, openat2, mincore

   - build failures when using -j (multiple jobs) option

   - exec test build failure due to incorrect build rule for a run-time
     created "pipe"

   - zram test fixes related to interaction with zram-generator to make
     sure zram test to coordinate deleted with zram-generator

   - zram test compression ratio calculation fix and skipping
     max_comp_streams.

   - increasing rtc test timeout

   - cpufreq test to write test results to stdout which will necessary
     on automated test systems"

* tag 'linux-kselftest-fixes-5.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  kselftest: Fix vdso_test_abi return status
  selftests: skip mincore.check_file_mmap when fs lacks needed support
  selftests: openat2: Skip testcases that fail with EOPNOTSUPP
  selftests: openat2: Add missing dependency in Makefile
  selftests: openat2: Print also errno in failure messages
  selftests: futex: Use variable MAKE instead of make
  selftests/exec: Remove pipe from TEST_GEN_FILES
  selftests/zram: Adapt the situation that /dev/zram0 is being used
  selftests/zram01.sh: Fix compression ratio calculation
  selftests/zram: Skip max_comp_streams interface on newer kernel
  docs/kselftest: clarify running mainline tests on stables
  kselftest: signal all child processes
  selftests: cpufreq: Write test output to stdout as well
  selftests: rtc: Increase test timeout so that all tests run
 2022-02-03 16:36:26 -08:00
Alex Elder
ac62a0174d dt-bindings: net: qcom,ipa: add optional qcom,qmp property 
For some systems, the IPA driver must make a request to ensure that
its registers are retained across power collapse of the IPA hardware.
On such systems, we'll use the existence of the "qcom,qmp" property
as a signal that this request is required.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2022-02-03 08:03:20 -08:00
James Morse
1dd498e5e2 KVM: arm64: Workaround Cortex-A510's single-step and PAC trap errata 
Cortex-A510's erratum #2077057 causes SPSR_EL2 to be corrupted when
single-stepping authenticated ERET instructions. A single step is
expected, but a pointer authentication trap is taken instead. The
erratum causes SPSR_EL1 to be copied to SPSR_EL2, which could allow
EL1 to cause a return to EL2 with a guest controlled ELR_EL2.

Because the conditions require an ERET into active-not-pending state,
this is only a problem for the EL2 when EL2 is stepping EL1. In this case
the previous SPSR_EL2 value is preserved in struct kvm_vcpu, and can be
restored.

Cc: stable@vger.kernel.org # 53960faf2b73: arm64: Add Cortex-A510 CPU part definition
Cc: stable@vger.kernel.org
Signed-off-by: James Morse <james.morse@arm.com>
[maz: fixup cpucaps ordering]
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220127122052.1584324-5-james.morse@arm.com
 2022-02-03 09:22:30 +00:00
Randy Dunlap
3ccb3128e5 xen: update missing ioctl magic numers documentation 
Add missing ioctl "magic numbers" for various Xen interfaces
(xenbus_dev.h, gntalloc.h, gntdev.h, and privcmd.h).

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Juergen Gross <jgross@suse.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: xen-devel@lists.xenproject.org
Link: https://lore.kernel.org/r/20220131161959.16509-1-rdunlap@infradead.org
Signed-off-by: Juergen Gross <jgross@suse.com>
 2022-02-03 08:24:34 +01:00
Helge Deller
87ab9f6b74 Revert "fbcon: Disable accelerated scrolling" 
This reverts commit 39aead8373.

Revert the first (of 2) commits which disabled scrolling acceleration in
fbcon/fbdev.  It introduced a regression for fbdev-supported graphic cards
because of the performance penalty by doing screen scrolling by software
instead of using the existing graphic card 2D hardware acceleration.

Console scrolling acceleration was disabled by dropping code which
checked at runtime the driver hardware capabilities for the
BINFO_HWACCEL_COPYAREA or FBINFO_HWACCEL_FILLRECT flags and if set, it
enabled scrollmode SCROLL_MOVE which uses hardware acceleration to move
screen contents.  After dropping those checks scrollmode was hard-wired
to SCROLL_REDRAW instead, which forces all graphic cards to redraw every
character at the new screen position when scrolling.

This change effectively disabled all hardware-based scrolling acceleration for
ALL drivers, because now all kind of 2D hardware acceleration (bitblt,
fillrect) in the drivers isn't used any longer.

The original commit message mentions that only 3 DRM drivers (nouveau, omapdrm
and gma500) used hardware acceleration in the past and thus code for checking
and using scrolling acceleration is obsolete.

This statement is NOT TRUE, because beside the DRM drivers there are around 35
other fbdev drivers which depend on fbdev/fbcon and still provide hardware
acceleration for fbdev/fbcon.

The original commit message also states that syzbot found lots of bugs in fbcon
and thus it's "often the solution to just delete code and remove features".
This is true, and the bugs - which actually affected all users of fbcon,
including DRM - were fixed, or code was dropped like e.g. the support for
software scrollback in vgacon (commit 973c096f6a).

So to further analyze which bugs were found by syzbot, I've looked through all
patches in drivers/video which were tagged with syzbot or syzkaller back to
year 2005. The vast majority fixed the reported issues on a higher level, e.g.
when screen is to be resized, or when font size is to be changed. The few ones
which touched driver code fixed a real driver bug, e.g. by adding a check.

But NONE of those patches touched code of either the SCROLL_MOVE or the
SCROLL_REDRAW case.

That means, there was no real reason why SCROLL_MOVE had to be ripped-out and
just SCROLL_REDRAW had to be used instead. The only reason I can imagine so far
was that SCROLL_MOVE wasn't used by DRM and as such it was assumed that it
could go away. That argument completely missed the fact that SCROLL_MOVE is
still heavily used by fbdev (non-DRM) drivers.

Some people mention that using memcpy() instead of the hardware acceleration is
pretty much the same speed. But that's not true, at least not for older graphic
cards and machines where we see speed decreases by factor 10 and more and thus
this change leads to console responsiveness way worse than before.

That's why the original commit is to be reverted. By reverting we
reintroduce hardware-based scrolling acceleration and fix the
performance regression for fbdev drivers.

There isn't any impact on DRM when reverting those patches.

Signed-off-by: Helge Deller <deller@gmx.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Sven Schnelle <svens@stackframe.org>
Cc: stable@vger.kernel.org # v5.10+
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220202135531.92183-3-deller@gmx.de
 2022-02-02 15:15:11 +01:00
Helge Deller
1148836fd3 Revert "fbdev: Garbage collect fbdev scrolling acceleration, part 1 (from TODO list)" 
This reverts commit b3ec8cdf45.

Revert the second (of 2) commits which disabled scrolling acceleration
in fbcon/fbdev.  It introduced a regression for fbdev-supported graphic
cards because of the performance penalty by doing screen scrolling by
software instead of using the existing graphic card 2D hardware
acceleration.

Console scrolling acceleration was disabled by dropping code which
checked at runtime the driver hardware capabilities for the
BINFO_HWACCEL_COPYAREA or FBINFO_HWACCEL_FILLRECT flags and if set, it
enabled scrollmode SCROLL_MOVE which uses hardware acceleration to move
screen contents.  After dropping those checks scrollmode was hard-wired
to SCROLL_REDRAW instead, which forces all graphic cards to redraw every
character at the new screen position when scrolling.

This change effectively disabled all hardware-based scrolling acceleration for
ALL drivers, because now all kind of 2D hardware acceleration (bitblt,
fillrect) in the drivers isn't used any longer.

The original commit message mentions that only 3 DRM drivers (nouveau, omapdrm
and gma500) used hardware acceleration in the past and thus code for checking
and using scrolling acceleration is obsolete.

This statement is NOT TRUE, because beside the DRM drivers there are around 35
other fbdev drivers which depend on fbdev/fbcon and still provide hardware
acceleration for fbdev/fbcon.

The original commit message also states that syzbot found lots of bugs in fbcon
and thus it's "often the solution to just delete code and remove features".
This is true, and the bugs - which actually affected all users of fbcon,
including DRM - were fixed, or code was dropped like e.g. the support for
software scrollback in vgacon (commit 973c096f6a).

So to further analyze which bugs were found by syzbot, I've looked through all
patches in drivers/video which were tagged with syzbot or syzkaller back to
year 2005. The vast majority fixed the reported issues on a higher level, e.g.
when screen is to be resized, or when font size is to be changed. The few ones
which touched driver code fixed a real driver bug, e.g. by adding a check.

But NONE of those patches touched code of either the SCROLL_MOVE or the
SCROLL_REDRAW case.

That means, there was no real reason why SCROLL_MOVE had to be ripped-out and
just SCROLL_REDRAW had to be used instead. The only reason I can imagine so far
was that SCROLL_MOVE wasn't used by DRM and as such it was assumed that it
could go away. That argument completely missed the fact that SCROLL_MOVE is
still heavily used by fbdev (non-DRM) drivers.

Some people mention that using memcpy() instead of the hardware acceleration is
pretty much the same speed. But that's not true, at least not for older graphic
cards and machines where we see speed decreases by factor 10 and more and thus
this change leads to console responsiveness way worse than before.

That's why the original commit is to be reverted. By reverting we
reintroduce hardware-based scrolling acceleration and fix the
performance regression for fbdev drivers.

There isn't any impact on DRM when reverting those patches.

Signed-off-by: Helge Deller <deller@gmx.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Sven Schnelle <svens@stackframe.org>
Cc: stable@vger.kernel.org # v5.16+
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220202135531.92183-2-deller@gmx.de
 2022-02-02 15:14:56 +01:00
Guo Ren
321a8be37e dt-bindings: update riscv plic compatible string 
Add the compatible string "thead,c900-plic" to the riscv plic
bindings to support allwinner d1 SOC which contains c906 core.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Cc: Anup Patel <anup@brainfault.org>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Rob Herring <robh@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Samuel Holland <samuel@sholland.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220130135634.1213301-2-guoren@kernel.org
 2022-02-02 10:48:50 +00:00
Linus Torvalds
9f7fb8de5d spi: Fixes for v5.17 
There are quite a few fixes that have accumilated since the merge window
 here, all driver specific and none super urgent, plus a new device ID
 for the Rockchip driver.
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Merge tag 'spi-fix-v5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "There are quite a few fixes that have accumilated since the merge
  window here, all driver specific and none super urgent, plus a new
  device ID for the Rockchip driver"

* tag 'spi-fix-v5.17-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: mediatek: Avoid NULL pointer crash in interrupt
  spi: dt-bindings: Fix 'reg' child node schema
  spi: bcm-qspi: check for valid cs before applying chip select
  spi: uniphier: fix reference count leak in uniphier_spi_probe()
  spi: meson-spicc: add IRQ check in meson_spicc_probe
  spi: uniphier: Fix a bug that doesn't point to private data correctly
  spi: change clk_disable_unprepare to clk_unprepare
  spi: spi-rockchip: Add rk3568-spi compatible
  spi: stm32: make SPI_MASTER_MUST_TX flags only specific to STM32F4
  spi: stm32: remove inexistant variables in struct stm32_spi_cfg comment
  spi: stm32-qspi: Update spi registering
 2022-02-01 12:39:37 -08:00
David Howells
bee9f65523 netfs, cachefiles: Add a method to query presence of data in the cache 
Add a netfs_cache_ops method by which a network filesystem can ask the
cache about what data it has available and where so that it can make a
multipage read more efficient.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-cachefs@redhat.com
Acked-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Rohith Surabattula <rohiths@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
 2022-02-01 10:29:18 -06:00