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b7e7c85dc7
856672 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
b7e7c85dc7 |
arm64 fixes:
- Don't taint the kernel if CPUs have different sets of page sizes supported (other than the one in use). - Issue I-cache maintenance for module ftrace trampoline. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEE5RElWfyWxS+3PLO2a9axLQDIXvEFAl1W5VMACgkQa9axLQDI XvFAWQ//RrxMHeN7/Ynv1MDqucZlMpQJMUV2V0K5wYO6ZwGMKYXw62SBzb9AMv0y iFhYNZbtBoE2JhLNEfwhdNkk9NfUsKbUcfyt0cono2DU1tVihmmVqbNbairNhKVo j7vxnCx8SMQ5ZT+QaTpKUddzlzb4jdycXGYaje62bbA19BCOVVIuy61wGNtHP4IU 817RHqIj6aqIbmplt79+Q3vOopB8BbxrnpC5cp8rw1CKbfu7kQN4zePIA4Z4bhag G5hm+aTV1qzrmEud2WkuA7044vsw2Wkd/8gksRyQKkypfqfQ3NrASDn3xGqOi/5t 2DsyJPaVUC1tsJdrVqpfWZfLJJ8FGyox7aeXL7OdPrfWP6HI9jJnodRVH/av97g6 psaSoJNxXbVqrg/wva6i2f25KBYdp/vQW0Nmjljvt4dmEDrE/jpifAYAH/LUmi5H fMNXyOdeDcgUoVfcEk/S1leiDf0gUy+B8ylknk12knbMuk/9ATq/2H3RKqrRJYWL qUQBvB04d7NHZl8wl+IVLlK8g4x5Jeetjm7GHvLbOp9agb63kwVFq50c4zD052LA eKy6LbUO2xHyA3PrtvBem/hKZ/GCTh0o0xcwUkyNcsLUHfKnMcHLEH/WWd5rmYIQ xvbQVhVORR8ru7eCQCRMBmjGaHFz2ZQa4Q3V3qVBnX+q/F6dku8= =VneQ -----END PGP SIGNATURE----- Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Catalin Marinas: - Don't taint the kernel if CPUs have different sets of page sizes supported (other than the one in use). - Issue I-cache maintenance for module ftrace trampoline. * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: ftrace: Ensure module ftrace trampoline is coherent with I-side arm64: cpufeature: Don't treat granule sizes as strict |
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Will Deacon
|
b6143d10d2 |
arm64: ftrace: Ensure module ftrace trampoline is coherent with I-side
The initial support for dynamic ftrace trampolines in modules made use of an indirect branch which loaded its target from the beginning of a special section ( |
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|
Linus Torvalds
|
2d63ba3e41 |
Power management fixes for 5.3-rc5
- Disable NVMe power optimization related to suspend-to-idle added
recently on systems where PCIe ASPM is not able to put PCIe links
into low-power states to prevent excess power from being drawn by
the system while suspended (Rafael Wysocki).
- Make the schedutil governor handle frequency limits changes
properly in all cases (Viresh Kumar).
- Prevent the cpufreq core from treating positive values returned
by dev_pm_qos_update_request() as errors (Viresh Kumar).
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Merge tag 'pm-5.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These add a check to avoid recent suspend-to-idle power regression on
systems with NVMe drives where the PCIe ASPM policy is "performance"
(or when the kernel is built without ASPM support), fix an issue
related to frequency limits in the schedutil cpufreq governor and fix
a mistake related to the PM QoS usage in the cpufreq core introduced
recently.
Specifics:
- Disable NVMe power optimization related to suspend-to-idle added
recently on systems where PCIe ASPM is not able to put PCIe links
into low-power states to prevent excess power from being drawn by
the system while suspended (Rafael Wysocki).
- Make the schedutil governor handle frequency limits changes
properly in all cases (Viresh Kumar).
- Prevent the cpufreq core from treating positive values returned by
dev_pm_qos_update_request() as errors (Viresh Kumar)"
* tag 'pm-5.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
nvme-pci: Allow PCI bus-level PM to be used if ASPM is disabled
PCI/ASPM: Add pcie_aspm_enabled()
cpufreq: schedutil: Don't skip freq update when limits change
cpufreq: dev_pm_qos_update_request() can return 1 on success
|
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Linus Torvalds
|
9da5bb24bb |
dmaengine fixes for v5.3-rc5
Fixes in dmaengine drivers for: - dw-edma endianess, _iomem type and stack usages - ste_dma40 unneeded variable and null-pointer dereference - tegra210-adma unused function - omap-dma off-by-one fix -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJdVnkYAAoJEHwUBw8lI4NHk2sQAM8dOHAsYexFc4ERaNOXC9pL 9ZhZccBgYeVaKE/oCJ4iKevMpBNFNzRZMOPNOvEtO1tbMTJjkgBGrKrQQju6X0Nr SBwVpSrQu1Oex3ANwBXei3CJGzbdOoLxDdyveGbsfL1ZY0c9Ilsh0Os8EwrNSKFr NDns84snjk69ipqMTzRAA3oM1Zk7ZUrmwNpgw0o8UWjoGSK0/Yt1MJ4RwlX2IgoA 8vESw9Mu/9a3gzFKe/mmVrG+LF22KYd8fMhtu3DbIPzDqb3Ns1gUWQQvBStGXPR9 lkaa5ZNL9Eo5vhpX4/QqZ3s7VkN49sJ/t4etsXv8m+s9g3zepRSSiAgL84JBbjEj t8o9PRb4ePPZmBElQ165He/GJqBimbPDYasSgO1xuT49ENbH9HzTM2moHLDNPz7I bveVfU5Mtzxxy5WaHBhBTnSwNhzNmgZ8G+17fBeItpcvZA2nbmoNfVN9Ma0rKuDQ zMLzU25UPoD9/aONg26VJXJnyZ0n01a6L1Ltj1X5SmW6BLnMziRpOqSXOkuTXbF1 h5P7iJH0cz1XfA7PJDh/Dzf3WjJYmsnBzxsj1P8xt/LTCk9iuJ5m/TFEMmTtW6iX IkkjTITLoy/APpLHxmU/3mx3j+gH400C1li5fk7oNVJU9iV+IQV4EKGi/2An0Kd1 +DBrOcw8TRdIIBkKAuXv =x4VH -----END PGP SIGNATURE----- Merge tag 'dmaengine-fix-5.3-rc5' of git://git.infradead.org/users/vkoul/slave-dma Pull dmaengine fixes from Vinod Koul: "Fixes in dmaengine drivers for: - dw-edma: endianess, _iomem type and stack usages - ste_dma40: unneeded variable and null-pointer dereference - tegra210-adma: unused function - omap-dma: off-by-one fix" * tag 'dmaengine-fix-5.3-rc5' of git://git.infradead.org/users/vkoul/slave-dma: omap-dma/omap_vout_vrfb: fix off-by-one fi value dmaengine: stm32-mdma: Fix a possible null-pointer dereference in stm32_mdma_irq_handler() dmaengine: tegra210-adma: Fix unused function warnings dmaengine: ste_dma40: fix unneeded variable warning dmaengine: dw-edma: fix endianess confusion dmaengine: dw-edma: fix __iomem type confusion dmaengine: dw-edma: fix unnecessary stack usage |
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|
Linus Torvalds
|
cfa0bb2aef |
sound fixes for 5.3-rc5
All small fixes targeted for stable:
- Two fixes for USB-audio with malformed descriptor, spotted by
fuzzers
- Two fixes Conexant HD-audio codec wrt power management
- Quirks for HD-audio AMD platform and HP laptop
- HD-audio memory leak fix
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Merge tag 'sound-5.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"All small fixes targeted for stable:
- Two fixes for USB-audio with malformed descriptor, spotted by
fuzzers
- Two fixes Conexant HD-audio codec wrt power management
- Quirks for HD-audio AMD platform and HP laptop
- HD-audio memory leak fix"
* tag 'sound-5.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: usb-audio: Fix a stack buffer overflow bug in check_input_term
ALSA: usb-audio: Fix an OOB bug in parse_audio_mixer_unit
ALSA: hda - Add a generic reboot_notify
ALSA: hda - Let all conexant codec enter D3 when rebooting
ALSA: hda/realtek - Add quirk for HP Envy x360
ALSA: hda - Fix a memory leak bug
ALSA: hda - Apply workaround for another AMD chip 1022:1487
|
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Linus Torvalds
|
ec037ac244 |
drm fixes for 5.3-rc5
i915: - single GVT use after free fix scheduler: - entity destruction race fix amdgpu: - struct allocation fix - gfx9 soft recovery fix nouveau: - followup MST fix ast: - vga register race fix. -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJdVi4dAAoJEAx081l5xIa+MWYP/2e4fqA03cee+ExwG3oILILQ 7aFeYk3pA/popEJsdYqUU4SWqAJhQ6DDpIex5K4ASIxEmz75Mt2HhohuYU6jQXmP auK0b162TeGJDhFkiRpK3rD0EidUYg4q7fq3eooLqqrU66Bli8OvYKHChoXcU4za jGbqywFHRW4VwxfLxJErLIz+wq6k8CMFie3vxGcEN3uQaX81KrVfPwhzauh+9GJd aN4rDsvyp0jzl/HRK9GtKBlkfNCUeSSZ/By7PMbUfTCgP2dkTFUuKpoieJ0JU3tR VnUEmZTtMweL/3f/yPfTkAFURYMjdeXkgnTR7DZv8y46zFbbMOsTFoBI7df9ef9k +QBmW0dMKcS16i+aJBckb5bDOYwt39hiscGuBporaNhaVrQLGtmxEQet5N4iEOBY 3P+yEXOvviz0WXh4WrbHkcz7tGTjITeiXZSNzcNueZj3n+2AN8EwDMJNuVPQbIh1 87Kb53Gbd3kHqHe5fJ82sHlRifjlPcQmKyd6+uk72ZewHQq2VPswtdnjcfmtuqpO cM3pwdZGtvfuQs6+EurzmXpNCzn32GdJdJY8A/q+zvekin5yn+RmW2eb9w/T1hV2 hP399EoMDNQQ750YKP4Paf3QdDSGtrY7UxSfUxVcYOKuGi1RzTBKndIGTv9IGLg9 PNLm3KaPKtLNx6yq4+OW =TusM -----END PGP SIGNATURE----- Merge tag 'drm-fixes-2019-08-16' of git://anongit.freedesktop.org/drm/drm Pull drm fixes from Dave Airlie: "Nothing too crazy this week, one amdgpu fix to use vmalloc for a struct that grew in size, and another MST fix for nouveau, and some other misc fixes: i915: - single GVT use after free fix scheduler: - entity destruction race fix amdgpu: - struct allocation fix - gfx9 soft recovery fix nouveau: - followup MST fix ast: - vga register race fix" * tag 'drm-fixes-2019-08-16' of git://anongit.freedesktop.org/drm/drm: drm/nouveau: Only recalculate PBN/VCPI on mode/connector changes drm/ast: Fixed reboot test may cause system hanged drm/scheduler: use job count instead of peek drm/amd/display: use kvmalloc for dc_state (v2) drm/amdgpu: fix gfx9 soft recovery drm/i915: Use after free in error path in intel_vgpu_create_workload() |
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Rafael J. Wysocki
|
a3ee2477c4 |
Merge branch 'pm-cpufreq'
* pm-cpufreq: cpufreq: schedutil: Don't skip freq update when limits change cpufreq: dev_pm_qos_update_request() can return 1 on success |
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Dave Airlie
|
a85abd5d45 |
Merge tag 'drm-intel-fixes-2019-08-15' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v5.4-rc5: - GVT use-after-free fix Signed-off-by: Dave Airlie <airlied@redhat.com> From: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/87zhkag9ic.fsf@intel.com |
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Hui Peng
|
19bce474c4 |
ALSA: usb-audio: Fix a stack buffer overflow bug in check_input_term
`check_input_term` recursively calls itself with input from device side (e.g., uac_input_terminal_descriptor.bCSourceID) as argument (id). In `check_input_term`, if `check_input_term` is called with the same `id` argument as the caller, it triggers endless recursive call, resulting kernel space stack overflow. This patch fixes the bug by adding a bitmap to `struct mixer_build` to keep track of the checked ids and stop the execution if some id has been checked (similar to how parse_audio_unit handles unitid argument). Reported-by: Hui Peng <benquike@gmail.com> Reported-by: Mathias Payer <mathias.payer@nebelwelt.net> Signed-off-by: Hui Peng <benquike@gmail.com> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> |
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Linus Torvalds
|
a69e90512d |
Changes since last update:
- Fix crashes when the attr fork isn't present due to errors but inode inactivation tries to zap the attr data anyway. - Convert more directory corruption debugging asserts to actual EFSCORRUPTED returns instead of blowing up later on. - Don't fail writeback just because we ran out of memory allocating metadata log data. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEUzaAxoMeQq6m2jMV+H93GTRKtOsFAl1RlXoACgkQ+H93GTRK tOtc7A/+JIidhI/MHQLs7Ab9GW+PsHHBMSbVTV4Ge+SlfZtPNI38zrC1MC5LWvvV bndOpRjLm4nOJcB7fsoEWufTs1dKOIUjk2yQi8x47ZvE+B/RcA4b6IDhwpbAI8GW kt1RLNec9kpzhxCFFPzsXT9MwjEvvOvTeXfxaXTmiuB2kbJkR5dTlCUS2nUDnqsG FGdmOUDjy1uVfFcSrp75KT/iYaqW08cG+uY/eUHRm+YMUKI8hF1t+n8cDnSg96VX IN2DT1d3dTWiiF+JUZnMhVwJvPgV95DOf+yYy/F7qOcJUEmQ9tD6+0Ml/cI/AeLG zERxHXM9A9Jy8S+2xkvf0J/+HStwfviWNToK3pbMIM1ZsoMTi9q8VgbB3AaFiijf C4Q4T3W0jC44om8X/Ta/c+G/64Tj8yenzLDeTHvtQkoq77QPBam/aYjBc79oYvHi r+R61kHNto+YjJsRbkwgF/S+bzru1qY9Ccr0LJZrUkSzh4d6p94fbQc+NX4L2sv7 WzAc+kOR/7qgVgy4gVr3ju0d89kP/Xn/0e0Ma0V8CSZlX5yg1dMLew5TJq693UYX xjLGD2ltOoFEN8e7/WXI0/ktvvSCAQalmz+sPgJvTlosUhpGXky85ced1PSrKiEV l0tREpmawDo9WVvC/06yBj97Op6PDdb4CovDcyLT6Yt3v1aBZT0= =ivN3 -----END PGP SIGNATURE----- Merge tag 'xfs-5.3-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux Pull xfs fixes from Darrick Wong: - Fix crashes when the attr fork isn't present due to errors but inode inactivation tries to zap the attr data anyway. - Convert more directory corruption debugging asserts to actual EFSCORRUPTED returns instead of blowing up later on. - Don't fail writeback just because we ran out of memory allocating metadata log data. * tag 'xfs-5.3-fixes-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: xfs: don't crash on null attr fork xfs_bmapi_read xfs: remove more ondisk directory corruption asserts fs: xfs: xfs_log: Don't use KM_MAYFAIL at xfs_log_reserve(). |
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Linus Torvalds
|
4ec1fa692d |
Changes since last update:
- Update MAINTAINERS now that we've removed fs/iomap.c. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEUzaAxoMeQq6m2jMV+H93GTRKtOsFAl1UPLMACgkQ+H93GTRK tOvPVQ/+O9rOWD1udgyx3Qvn0mZhYgyKw8k3rHdZjRVV8fo5SIyS7cZRqi/B5WGf pRLHVWMGVeCiiRlJJzJLuD6tSJ04AOASO/VklRVbDpWkqRWqk3Hk8NiYt4KbgAcm P31I836I84L2qhfUN+EGemR7ByeH3XjSgNqRHRC60WiEs+gK5Em5loJfmohuBE29 +XIlBusc84rN6SfP4xBpj/SL3U2XTDkXQX4ESXbU80mOypVqTJMsDv4YLBbWZcCT ZZ9HV35duUQFUC5t98Z+KQ4buwVeTvuXpzbxvZRnT5uMcQGPboH8NseyenNTJvI2 YLMRoP9yQImxbhKTD+VTCzfVw6qGX7JrVMT0hYszK3uhSUNVUbD6ChhdeOHI5I+U BdD6t/pKsM/3k030jxrqrI/PMTPJRe2Pu1MKcK1qR7uptagUFBfVUVLz8uoXp4/U O/WOub72pLcbIJ2kCffknfvZkD7YnlB1qwNBHaMqdSZJp89ZL5zluXh58RvXv15e aU3UPzotC3qoCwz/CW5/R0oiUQeEs78jR91urKCGPaOQqRtgQatIccaxJqG9NsMz pHAY8Ouw8bx4q6Q1CNwrNVqVHJsh87pxvpBgw/VVGUhprwkNKaBG2UvVnu4CqkLN MW2KaI66dmCL+VbEK5ikPNF0YXXbQLDdtW4K/S3OIpW7H2IRgjo= =mOPT -----END PGP SIGNATURE----- Merge tag 'iomap-5.3-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux Pull iomap fixlet from Darrick Wong: "A single update to the MAINTAINERS entry for iomap now that we've removed fs/iomap.c" * tag 'iomap-5.3-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: MAINTAINERS: iomap: Remove fs/iomap.c record |
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Linus Torvalds
|
3291204239 |
A few minor auxdisplay improvements:
- A couple of small header cleanups for charlcd
From Masahiro Yamada
- A trivial typo fix for the sampels of cfag12864b
From Masahiro Yamada
- An Kconfig help text improvement for charlcd
From Mans Rullgard
- An error path fix for panel
From zhengbin
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Merge tag 'auxdisplay-for-linus-v5.3-rc5' of git://github.com/ojeda/linux
Pull auxdisplay fixes from Miguel Ojeda:
"A few minor auxdisplay improvements:
- A couple of small header cleanups for charlcd (Masahiro Yamada)
- A trivial typo fix for the examples of cfag12864b (Masahiro Yamada)
- An Kconfig help text improvement for charlcd (Mans Rullgard)
- An error path fix for panel (zhengbin)"
* tag 'auxdisplay-for-linus-v5.3-rc5' of git://github.com/ojeda/linux:
auxdisplay: Fix a typo in cfag12864b-example.c
auxdisplay: charlcd: add include guard to charlcd.h
auxdisplay: charlcd: move charlcd.h to drivers/auxdisplay
auxdisplay: charlcd: add help text for backlight initial state
auxdisplay: panel: need to delete scan_timer when misc_register fails in panel_attach
|
||
|
Linus Torvalds
|
2b245b8b03 |
Devicetree fixes for 5.3:
- Fix building DT binding examples for in tree builds - Correct some refcounting in adjust_local_phandle_references() - Update FSL FEC binding with deprecated properties - Schema fix in stm32 pinctrl - Fix typo in of_irq_parse_one docbook comment -----BEGIN PGP SIGNATURE----- iQJEBAABCgAuFiEEktVUI4SxYhzZyEuo+vtdtY28YcMFAl1UwjkQHHJvYmhAa2Vy bmVsLm9yZwAKCRD6+121jbxhw6NsEACk9VYUmQhN4haogNkYGapJg3mvfuguzuLU ps8Wd61WDYqmtcHLC9bJaiYzaSrSzpgJcAAsU7ryJuesZD8XRe5jGFs494lBCGq9 wZeXSECFr898ThmHWtIbQmXvBd1sQjh+EhHn5u1G1Pzxyan5NeiPgJ4LM/sLRl0m kdunXbXzg1LxwEYuPiEV/DmPAHG6MPV98E9haQ3z82j167CuRpU0Hi0QQim7Dzu1 wc+f8hUD4X6hFJsHxho25mMvcSKypadzgv2wGEQve+GdDOSOrWOfXZUgHLopkNrm tDy2FZD39McX4Tuv90DDLVNulVbfZdXRyepgH666QOelelyIAWuE2mcUrV5sgms9 EPTmcQC73o/Vnx/ALpvhs5kYvxmwPH3xPfDiF4QEcC8uHZkM5Ldms0SVnAcuTlYY 8Z+rDmhR9GQwJ4oDk0ZwsovNWB7HICJRC7uxotqL6A5kY3WfbzlrfWiA8zV/j9h6 wHXlWH6hf8hUTnNSRV9mztL7m52qfDbALDQTShNitbKsUQgVPaKMwA1hcXsMGyPS 5wwpU1gtj6UbTeLLs+3IFQQUTx1cI3yVhXrpTUOf6ke24510NBWfyJrUPGQPH24E Cgd67Octcbxe+r6gReo4r0XNrDQwE+f7CC0YP9VZg3zmFlHhjlsTDoAddnLPDewn KcIYS6GfGA== =kE9S -----END PGP SIGNATURE----- Merge tag 'devicetree-fixes-for-5.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree fixes from Rob Herring: - Fix building DT binding examples for in tree builds - Correct some refcounting in adjust_local_phandle_references() - Update FSL FEC binding with deprecated properties - Schema fix in stm32 pinctrl - Fix typo in of_irq_parse_one docbook comment * tag 'devicetree-fixes-for-5.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: of: irq: fix a trivial typo in a doc comment dt-bindings: pinctrl: stm32: Fix 'st,syscfg' schema dt-bindings: fec: explicitly mark deprecated properties of: resolver: Add of_node_put() before return and break dt-bindings: Fix generated example files getting added to schemas |
||
|
Dave Airlie
|
2f62c5d6ed |
Merge tag 'drm-fixes-5.3-2019-08-14' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
drm-fixes-5.3-2019-08-14: amdgpu: - Use kvalloc for dc_state to avoid allocation failures in some cases. - Fix gfx9 soft recovery scheduler: - Fix a race condition when destroying entities Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190815024919.3434-1-alexander.deucher@amd.com |
||
Lyude Paul
|
db1231ddc0 |
drm/nouveau: Only recalculate PBN/VCPI on mode/connector changes
I -thought- I had fixed this entirely, but it looks like that I didn't test this thoroughly enough as we apparently still make one big mistake with nv50_msto_atomic_check() - we don't handle the following scenario: * CRTC #1 has n VCPI allocated to it, is attached to connector DP-4 which is attached to encoder #1. enabled=y active=n * CRTC #1 is changed from DP-4 to DP-5, causing: * DP-4 crtc=#1→NULL (VCPI n→0) * DP-5 crtc=NULL→#1 * CRTC #1 steals encoder #1 back from DP-4 and gives it to DP-5 * CRTC #1 maintains the same mode as before, just with a different connector * mode_changed=n connectors_changed=y (we _SHOULD_ do VCPI 0→n here, but don't) Once the above scenario is repeated once, we'll attempt freeing VCPI from the connector that we didn't allocate due to the connectors changing, but the mode staying the same. Sigh. Since nv50_msto_atomic_check() has broken a few times now, let's rethink things a bit to be more careful: limit both VCPI/PBN allocations to mode_changed || connectors_changed, since neither VCPI or PBN should ever need to change outside of routing and mode changes. Changes since v1: * Fix accidental reversal of clock and bpp arguments in drm_dp_calc_pbn_mode() - William Lewis Signed-off-by: Lyude Paul <lyude@redhat.com> Reported-by: Bohdan Milar <bmilar@redhat.com> Tested-by: Bohdan Milar <bmilar@redhat.com> Fixes: |
||
Y.C. Chen
|
05b439711f |
drm/ast: Fixed reboot test may cause system hanged
There is another thread still access standard VGA I/O while loading drm driver. Disable standard VGA I/O decode to avoid this issue. Signed-off-by: Y.C. Chen <yc_chen@aspeedtech.com> Reviewed-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Dave Airlie <airlied@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/1523410059-18415-1-git-send-email-yc_chen@aspeedtech.com |
||
Lubomir Rintel
|
83f82d7a42 |
of: irq: fix a trivial typo in a doc comment
Diverged from what the code does with commit
|
||
Rob Herring
|
626633425c |
dt-bindings: pinctrl: stm32: Fix 'st,syscfg' schema
The proper way to add additional contraints to an existing json-schema is using 'allOf' to reference the base schema. Using just '$ref' doesn't work. Fix this for the 'st,syscfg' property. Cc: Mark Rutland <mark.rutland@arm.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: linux-gpio@vger.kernel.org Cc: linux-stm32@st-md-mailman.stormreply.com Cc: linux-arm-kernel@lists.infradead.org Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Rob Herring <robh@kernel.org> |
||
|
Linus Torvalds
|
41de596340 |
Wimplicit-fallthrough patches for 5.3-rc5
Hi Linus, Please, pull the following patches that fix sh mainline builds: - Fix fall-through warning in sh. - Fix missing break bug in sh (this is a 10-year-old bug). Currently, mainline builds for sh are broken. These patches fix that. Thanks Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEkmRahXBSurMIg1YvRwW0y0cG2zEFAl1UVM0ACgkQRwW0y0cG 2zFwhhAAw4Of7EnmcEJwLAiIaE7O9JHewg3CoVyZr2jim+EVoXJErdBV3Kg7yTcf JH6eYicdA50zr38bQ+eVBxSAJvqsYry7ZZhgyWoucNZmFSRxuhyQh9ucIGiTVfSO k24Bb7n4new24rf2zo/JXpqD5mWEtKlQqJYp84rNovIbFwENnOimRU1f0H64pdRg 4UH578lsJTuw8DL1x+sc8ZxYvTa8YbaEcrwMnexiYR8ZAtBMfJzIRcKNwScxUe86 +WKfipUTmidtLMZU9J9I9jQYFyX/o/Dkenq+6uxeephl0M7mUbsA0xc9oHLEnc3Q ieOduorxTgFb13SyRXhdW5frTGcMWJufoyD7+pTsCE09ws1PdXcxQ1CWPN09lG3/ R+3ceARfakuvBnCchawpses64zjlq6As68WfW1BBnwhl5sAr9uE/eDBLxXb/tYc3 qnJ5q32Vj9c7exLL95BtlZwm2Xaz687ZYhdZB7nsoYEA2CvExmriMFt9pl6SgRlQ ixkyJs0uDh6Fy+RawTFMS7/1NFRI8I/3r2vzqTN7ykFd5QsR9HCLfi2xcz/BCy84 bsd6WfdtrGolpnodnyUx3C99wO5yjRGJc0H17W2Lz28JXYFFlbQuambNV18krN1v CHrVpqmZybWf6hfNtedwdGcvv7AR46IMdULfPUS26O0nt1T67aU= =hnDA -----END PGP SIGNATURE----- Merge tag 'Wimplicit-fallthrough-5.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux Pull fallthrough fixes from Gustavo A. R. Silva: "Fix sh mainline builds: - Fix fall-through warning in sh. - Fix missing break bug in sh (this is a 10-year-old bug) Currently, mainline builds for sh are broken. These patches fix that" * tag 'Wimplicit-fallthrough-5.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux: sh: kernel: hw_breakpoint: Fix missing break in switch statement sh: kernel: disassemble: Mark expected switch fall-throughs |
||
|
Linus Torvalds
|
e22a97a2a8 |
AFS Fixes
Reviewed-by: Marc Dionne <marc.dionne@auristor.com> -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEqG5UsNXhtOCrfGQP+7dXa6fLC2sFAl1UELcACgkQ+7dXa6fL C2viWw//eDLvElBjaQsabfpMOVGkf02t+zCzNfKSC0KdM1+GUZ1FyXQ0UAtgwICY Sp01h/RZa0V07sfYP7R5kL4/KIMdODmhrP0iiHDpoMjKCL7qR9tFbJDAcHtH8xz2 52UV2dmdDBI/wdw/i5dn6M02SoYAQMl1XT49SkzhFSELVchkpraGsf1vf4yITeVe eI1TaOxI+TUaeH5f6+KWp6c8K8q70p3KfrR2VmCWkBrD7PNg9lp19pVnz8tdofYu xURHQbJulSqM+mY7pcNBOi2iWy3dCLjBTkVJIwIhZcZqLThACY38SSaPtmdhgif4 wcyyZUtd8EGPzPPqbfCx7ycTIIDtL/r98XtGyiTJBKrCK+flZONdu0g/oIzvJ/Wu hV4+ButxCuMakbLOe+Hew3lhHFOy7m9XZtOURzxzZSm9uazHDMxnw4ocxIOs24F1 qus1sG0+rlVDcMYjo2tKEAzOl/ZejJ/NUTd60ANIWKTHply2/2/5dH94B0yLwDnp tfifBrBkyqFB4XUKGvqvvJczl0d7+zsEScs4VQLVO/WhATjj6jNnrYKgwvBS5pCM 890qUzj3TRW7ciZLi0THMEHBlEfbEWhNCaggAqieIvbKv7t4Kh2cUBaIsxo4IYqU PBZZhFXRul5ocTJrV9pScl4RbzxE5V0j9cwSiiWnzZL1sQucIgQ= =zivP -----END PGP SIGNATURE----- Merge tag 'afs-fixes-20190814' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs Pull afs fixes from David Howells: - Fix the CB.ProbeUuid handler to generate its reply correctly. - Fix a mix up in indices when parsing a Volume Location entry record. - Fix a potential NULL-pointer deref when cleaning up a read request. - Fix the expected data version of the destination directory in afs_rename(). - Fix afs_d_revalidate() to only update d_fsdata if it's not the same as the directory data version to reduce the likelihood of overwriting the result of a competing operation. (d_fsdata carries the directory DV or the least-significant word thereof). - Fix the tracking of the data-version on a directory and make sure that dentry objects get properly initialised, updated and revalidated. Also fix rename to update d_fsdata to match the new directory's DV if the dentry gets moved over and unhash the dentry to stop afs_d_revalidate() from interfering. * tag 'afs-fixes-20190814' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs: afs: Fix missing dentry data version updating afs: Only update d_fsdata if different in afs_d_revalidate() afs: Fix off-by-one in afs_rename() expected data version calculation fs: afs: Fix a possible null-pointer dereference in afs_put_read() afs: Fix loop index mixup in afs_deliver_vl_get_entry_by_name_u() afs: Fix the CB.ProbeUuid service handler to reply correctly |
||
Christian König
|
e1b4ce25db |
drm/scheduler: use job count instead of peek
The spsc_queue_peek function is accessing queue->head which belongs to the consumer thread and shouldn't be accessed by the producer This is fixing a rare race condition when destroying entities. Signed-off-by: Christian König <christian.koenig@amd.com> Acked-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Reviewed-by: Monk.liu@amd.com Signed-off-by: Alex Deucher <alexander.deucher@amd.com> |
||
|
Linus Torvalds
|
a8dba0531b |
Pull request for 5.3-rc3
- Fix a memory registration release flow issue that was causing a
WARN_ON (mlx5)
- If the counters for a port aren't allocated, then we can't do
operations on the non-existent counters (core)
- Check the right variable for error code result (mlx5)
- Fix a use after free issue (mlx5)
- Fix an off by one memory leak (siw)
- Actually return an error code on error (core)
- Allow siw to be built on 32bit arches (siw, ABI change, but OK since
siw was just merged this merge window and there is no prior released
kernel to maintain compatibility with and we also updated the
rdma-core user space package to match)
Signed-off-by: Doug Ledford <dledford@redhat.com>
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma fixes from Doug Ledford:
"Fairly small pull request for -rc3. I'm out of town the rest of this
week, so I made sure to clean out as much as possible from patchworks
in enough time for 0-day to chew through it (Yay! for 0-day being back
online! :-)). Jason might send through any emergency stuff that could
pop up, otherwise I'm back next week.
The only real thing of note is the siw ABI change. Since we just
merged siw *this* release, there are no prior kernel releases to
maintain kernel ABI with. I told Bernard that if there is anything
else about the siw ABI he thinks he might want to change before it
goes set in stone, he should get it in ASAP. The siw module was around
for several years outside the kernel tree, and it had to be revamped
considerably for inclusion upstream, so we are making no attempts to
be backward compatible with the out of tree version. Once 5.3 is
actually released, we will have our baseline ABI to maintain.
Summary:
- Fix a memory registration release flow issue that was causing a
WARN_ON (mlx5)
- If the counters for a port aren't allocated, then we can't do
operations on the non-existent counters (core)
- Check the right variable for error code result (mlx5)
- Fix a use after free issue (mlx5)
- Fix an off by one memory leak (siw)
- Actually return an error code on error (core)
- Allow siw to be built on 32bit arches (siw, ABI change, but OK
since siw was just merged this merge window and there is no prior
released kernel to maintain compatibility with and we also updated
the rdma-core user space package to match)"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/siw: Change CQ flags from 64->32 bits
RDMA/core: Fix error code in stat_get_doit_qp()
RDMA/siw: Fix a memory leak in siw_init_cpulist()
IB/mlx5: Fix use-after-free error while accessing ev_file pointer
IB/mlx5: Check the correct variable in error handling code
RDMA/counter: Prevent QP counter binding if counters unsupported
IB/mlx5: Fix implicit MR release flow
|
||
|
Hui Peng
|
daac07156b |
ALSA: usb-audio: Fix an OOB bug in parse_audio_mixer_unit
The `uac_mixer_unit_descriptor` shown as below is read from the
device side. In `parse_audio_mixer_unit`, `baSourceID` field is
accessed from index 0 to `bNrInPins` - 1, the current implementation
assumes that descriptor is always valid (the length of descriptor
is no shorter than 5 + `bNrInPins`). If a descriptor read from
the device side is invalid, it may trigger out-of-bound memory
access.
```
struct uac_mixer_unit_descriptor {
__u8 bLength;
__u8 bDescriptorType;
__u8 bDescriptorSubtype;
__u8 bUnitID;
__u8 bNrInPins;
__u8 baSourceID[];
}
```
This patch fixes the bug by add a sanity check on the length of
the descriptor.
Reported-by: Hui Peng <benquike@gmail.com>
Reported-by: Mathias Payer <mathias.payer@nebelwelt.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Hui Peng <benquike@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
|
||
|
Linus Torvalds
|
e83b009c5c |
dma-mapping fixes for 5.3-rc
- fix the handling of the bus_dma_mask in dma_get_required_mask, which
caused a regression in this merge window (Lucas Stach)
- fix a regression in the handling of DMA_ATTR_NO_KERNEL_MAPPING (me)
- fix dma_mmap_coherent to not cause page attribute mismatches on
coherent architectures like x86 (me)
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Merge tag 'dma-mapping-5.3-4' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping fixes from Christoph Hellwig:
- fix the handling of the bus_dma_mask in dma_get_required_mask, which
caused a regression in this merge window (Lucas Stach)
- fix a regression in the handling of DMA_ATTR_NO_KERNEL_MAPPING (me)
- fix dma_mmap_coherent to not cause page attribute mismatches on
coherent architectures like x86 (me)
* tag 'dma-mapping-5.3-4' of git://git.infradead.org/users/hch/dma-mapping:
dma-mapping: fix page attributes for dma_mmap_*
dma-direct: don't truncate dma_required_mask to bus addressing capabilities
dma-direct: fix DMA_ATTR_NO_KERNEL_MAPPING
|
||
|
Linus Torvalds
|
b5e33e44d9 |
IOMMU Fixes for Linux v5.3-rc4
Including: - A couple more fixes for the Intel VT-d driver for bugs introduced during the recent conversion of this driver to use IOMMU core default domains. - Fix for common dma-iommu code to make sure MSI mappings happen in the correct domain for a device. - Fix a corner case in the handling of sg-lists in dma-iommu code that might cause dma_length to be truncated. - Mark a switch as fall-through in arm-smmu code. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEr9jSbILcajRFYWYyK/BELZcBGuMFAl1UFQIACgkQK/BELZcB GuNW1A//Y86ZFRSVCA/+ZiHgADwqsof1/Cdc1Ou1tXMbINbyWvWyT5t8JtplYsEJ 17xlS7l2M9x1VCljzr3fTfBMGu8+CQY2KT6YJliLQZzrQ6LKoxmscCmg6DmH4Gjy CfoRLBXCKTm1F8aNt7f/XupuI+OGpq8h/VPDxYqZZIGKxsMfOH8ZIzF7DjDO2MxS NROjwAyVMZdzR5X/dM1dYK0zwxQvgRGEx8gdGssoyUCJvGdAyQXym30j8esNWJ6J okXVpuQoX/CJQLZP/xF8psWcL+0IJSyd3G90ToBRsoLDc50a4qTdelGvGkVHmU8L WVm+x7GjJrWZieqUtFnW/X7p4qSZdNMIK9c/+/cKg+BxyAKE9FqUJzg6UaSpzTbk XVh0jSiSq7/txU8pyGhEDQxgg4xbIUA5x1gqnqFm8k9Noz1/+AhfdyEUFzIHeE0s XwBfVVGzP2NW5zi97NebEuYsbHgDDSnR9sEKxhhq6G30vrwHEfg/MzdvNp6EupNp J1DnWD0DgMlYMxjZ8YskrSI7/MFB5PCxj/InwAXRZmlPPmlWIRTJfUtwYmhlkoLS zCxfS/sIof9C1pU7noe1WwOz8ylVPeQO3KvBIVhy3WJcVnCDlYX7/Uf/z/sU/d0Z Hd3/PQ6F6xTUEBzXKOFG/3y9EUQuoYP/fckFM4vmH9OEvYWmWqc= =+b4H -----END PGP SIGNATURE----- Merge tag 'iommu-fixes-v5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull iommu fixes from Joerg Roedel: - A couple more fixes for the Intel VT-d driver for bugs introduced during the recent conversion of this driver to use IOMMU core default domains. - Fix for common dma-iommu code to make sure MSI mappings happen in the correct domain for a device. - Fix a corner case in the handling of sg-lists in dma-iommu code that might cause dma_length to be truncated. - Mark a switch as fall-through in arm-smmu code. * tag 'iommu-fixes-v5.3-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/vt-d: Fix possible use-after-free of private domain iommu/vt-d: Detach domain before using a private one iommu/dma: Handle SG length overflow better iommu/vt-d: Correctly check format of page table in debugfs iommu/vt-d: Detach domain when move device out of group iommu/arm-smmu: Mark expected switch fall-through iommu/dma: Handle MSI mappings separately |
||
|
Linus Torvalds
|
cab6d5b66b |
Merge branch 'akpm' (patches from Andrew)
Merge misc VM fixes from Andrew Morton:
"A bunch of hotfixes, all affecting mm/.
The two-patch series from Andrea may be controversial. This restores
patches which were reverted in Dec 2018 due to a regression report [*].
After extensive discussion it is evident that the problems which these
patches solved were significantly more serious than the problems they
introduced. I am told that major distros are already carrying these
two patches for this reason"
[*] See
https://lore.kernel.org/lkml/alpine.DEB.2.21.1812061343240.144733@chino.kir.corp.google.com/
https://lore.kernel.org/lkml/alpine.DEB.2.21.1812031545560.161134@chino.kir.corp.google.com/
for the google-specific issues brought up by David Rijentes. And as
Andrew says:
"I'm unaware of anyone else who will be adversely affected by this,
and google already carries over a thousand kernel patches - another
won't kill them.
There has been sporadic discussion about fixing these things for
real but it's clear that nobody apart from David is particularly
motivated"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
hugetlbfs: fix hugetlb page migration/fault race causing SIGBUS
mm, vmscan: do not special-case slab reclaim when watermarks are boosted
Revert "mm, thp: restore node-local hugepage allocations"
Revert "Revert "mm, thp: consolidate THP gfp handling into alloc_hugepage_direct_gfpmask""
include/asm-generic/5level-fixup.h: fix variable 'p4d' set but not used
seq_file: fix problem when seeking mid-record
mm: workingset: fix vmstat counters for shadow nodes
mm/usercopy: use memory range to be accessed for wraparound check
mm: kmemleak: disable early logging in case of error
mm/vmalloc.c: fix percpu free VM area search criteria
mm/memcontrol.c: fix use after free in mem_cgroup_iter()
mm/z3fold.c: fix z3fold_destroy_pool() race condition
mm/z3fold.c: fix z3fold_destroy_pool() ordering
mm: mempolicy: handle vma with unmovable pages mapped correctly in mbind
mm: mempolicy: make the behavior consistent when MPOL_MF_MOVE* and MPOL_MF_STRICT were specified
mm/hmm: fix bad subpage pointer in try_to_unmap_one
mm/hmm: fix ZONE_DEVICE anon page mapping reuse
mm: document zone device struct page field usage
|
||
Hui Wang
|
871b906602 |
ALSA: hda - Add a generic reboot_notify
Make codec enter D3 before rebooting or poweroff can fix the noise issue on some laptops. And in theory it is harmless for all codecs to enter D3 before rebooting or poweroff, let us add a generic reboot_notify, then realtek and conexant drivers can call this function. Cc: stable@vger.kernel.org Signed-off-by: Hui Wang <hui.wang@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> |
||
|
Hui Wang
|
401714d953 |
ALSA: hda - Let all conexant codec enter D3 when rebooting
We have 3 new lenovo laptops which have conexant codec 0x14f11f86, these 3 laptops also have the noise issue when rebooting, after letting the codec enter D3 before rebooting or poweroff, the noise disappers. Instead of adding a new ID again in the reboot_notify(), let us make this function apply to all conexant codec. In theory make codec enter D3 before rebooting or poweroff is harmless, and I tested this change on a couple of other Lenovo laptops which have different conexant codecs, there is no side effect so far. Cc: stable@vger.kernel.org Signed-off-by: Hui Wang <hui.wang@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> |
||
Mike Kravetz
|
4643d67e8c |
hugetlbfs: fix hugetlb page migration/fault race causing SIGBUS
Li Wang discovered that LTP/move_page12 V2 sometimes triggers SIGBUS in
the kernel-v5.2.3 testing. This is caused by a race between hugetlb
page migration and page fault.
If a hugetlb page can not be allocated to satisfy a page fault, the task
is sent SIGBUS. This is normal hugetlbfs behavior. A hugetlb fault
mutex exists to prevent two tasks from trying to instantiate the same
page. This protects against the situation where there is only one
hugetlb page, and both tasks would try to allocate. Without the mutex,
one would fail and SIGBUS even though the other fault would be
successful.
There is a similar race between hugetlb page migration and fault.
Migration code will allocate a page for the target of the migration. It
will then unmap the original page from all page tables. It does this
unmap by first clearing the pte and then writing a migration entry. The
page table lock is held for the duration of this clear and write
operation. However, the beginnings of the hugetlb page fault code
optimistically checks the pte without taking the page table lock. If
clear (as it can be during the migration unmap operation), a hugetlb
page allocation is attempted to satisfy the fault. Note that the page
which will eventually satisfy this fault was already allocated by the
migration code. However, the allocation within the fault path could
fail which would result in the task incorrectly being sent SIGBUS.
Ideally, we could take the hugetlb fault mutex in the migration code
when modifying the page tables. However, locks must be taken in the
order of hugetlb fault mutex, page lock, page table lock. This would
require significant rework of the migration code. Instead, the issue is
addressed in the hugetlb fault code. After failing to allocate a huge
page, take the page table lock and check for huge_pte_none before
returning an error. This is the same check that must be made further in
the code even if page allocation is successful.
Link: http://lkml.kernel.org/r/20190808000533.7701-1-mike.kravetz@oracle.com
Fixes:
|
||
Mel Gorman
|
28360f3987 |
mm, vmscan: do not special-case slab reclaim when watermarks are boosted
Dave Chinner reported a problem pointing a finger at commit |
||
Andrea Arcangeli
|
a8282608c8 |
Revert "mm, thp: restore node-local hugepage allocations"
This reverts commit |
||
|
Andrea Arcangeli
|
92717d429b |
Revert "Revert "mm, thp: consolidate THP gfp handling into alloc_hugepage_direct_gfpmask""
Patch series "reapply: relax __GFP_THISNODE for MADV_HUGEPAGE mappings". The fixes for what was originally reported as "pathological THP behavior" we rightfully reverted to be sure not to introduced regressions at end of a merge window after a severe regression report from the kernel bot. We can safely re-apply them now that we had time to analyze the problem. The mm process worked fine, because the good fixes were eventually committed upstream without excessive delay. The regression reported by the kernel bot however forced us to revert the good fixes to be sure not to introduce regressions and to give us the time to analyze the issue further. The silver lining is that this extra time allowed to think more at this issue and also plan for a future direction to improve things further in terms of THP NUMA locality. This patch (of 2): This reverts commit |
||
Qian Cai
|
0cfaee2af3 |
include/asm-generic/5level-fixup.h: fix variable 'p4d' set but not used
A compiler throws a warning on an arm64 system since commit
|
||
NeilBrown
|
6a2aeab59e |
seq_file: fix problem when seeking mid-record
If you use lseek or similar (e.g. pread) to access a location in a
seq_file file that is within a record, rather than at a record boundary,
then the first read will return the remainder of the record, and the
second read will return the whole of that same record (instead of the
next record). When seeking to a record boundary, the next record is
correctly returned.
This bug was introduced by a recent patch (identified below). Before
that patch, seq_read() would increment m->index when the last of the
buffer was returned (m->count == 0). After that patch, we rely on
->next to increment m->index after filling the buffer - but there was
one place where that didn't happen.
Link: https://lkml.kernel.org/lkml/877e7xl029.fsf@notabene.neil.brown.name/
Fixes:
|
||
Roman Gushchin
|
ec9f02384f |
mm: workingset: fix vmstat counters for shadow nodes
Memcg counters for shadow nodes are broken because the memcg pointer is
obtained in a wrong way. The following approach is used:
virt_to_page(xa_node)->mem_cgroup
Since commit
|
||
Isaac J. Manjarres
|
951531691c |
mm/usercopy: use memory range to be accessed for wraparound check
Currently, when checking to see if accessing n bytes starting at address
"ptr" will cause a wraparound in the memory addresses, the check in
check_bogus_address() adds an extra byte, which is incorrect, as the
range of addresses that will be accessed is [ptr, ptr + (n - 1)].
This can lead to incorrectly detecting a wraparound in the memory
address, when trying to read 4 KB from memory that is mapped to the the
last possible page in the virtual address space, when in fact, accessing
that range of memory would not cause a wraparound to occur.
Use the memory range that will actually be accessed when considering if
accessing a certain amount of bytes will cause the memory address to
wrap around.
Link: http://lkml.kernel.org/r/1564509253-23287-1-git-send-email-isaacm@codeaurora.org
Fixes:
|
||
Catalin Marinas
|
fcf3a5b62f |
mm: kmemleak: disable early logging in case of error
If an error occurs during kmemleak_init() (e.g. kmem cache cannot be created), kmemleak is disabled but kmemleak_early_log remains enabled. Subsequently, when the .init.text section is freed, the log_early() function no longer exists. To avoid a page fault in such scenario, ensure that kmemleak_disable() also disables early logging. Link: http://lkml.kernel.org/r/20190731152302.42073-1-catalin.marinas@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Reported-by: Qian Cai <cai@lca.pw> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
Kuppuswamy Sathyanarayanan
|
5336e52c9e |
mm/vmalloc.c: fix percpu free VM area search criteria
Recent changes to the vmalloc code by commit |
||
Miles Chen
|
54a83d6bcb |
mm/memcontrol.c: fix use after free in mem_cgroup_iter()
This patch is sent to report an use after free in mem_cgroup_iter() after merging commit |
||
Henry Burns
|
b997052bc3 |
mm/z3fold.c: fix z3fold_destroy_pool() race condition
The constraint from the zpool use of z3fold_destroy_pool() is there are
no outstanding handles to memory (so no active allocations), but it is
possible for there to be outstanding work on either of the two wqs in
the pool.
Calling z3fold_deregister_migration() before the workqueues are drained
means that there can be allocated pages referencing a freed inode,
causing any thread in compaction to be able to trip over the bad pointer
in PageMovable().
Link: http://lkml.kernel.org/r/20190726224810.79660-2-henryburns@google.com
Fixes:
|
||
|
Henry Burns
|
6051d3bd3b |
mm/z3fold.c: fix z3fold_destroy_pool() ordering
The constraint from the zpool use of z3fold_destroy_pool() is there are
no outstanding handles to memory (so no active allocations), but it is
possible for there to be outstanding work on either of the two wqs in
the pool.
If there is work queued on pool->compact_workqueue when it is called,
z3fold_destroy_pool() will do:
z3fold_destroy_pool()
destroy_workqueue(pool->release_wq)
destroy_workqueue(pool->compact_wq)
drain_workqueue(pool->compact_wq)
do_compact_page(zhdr)
kref_put(&zhdr->refcount)
__release_z3fold_page(zhdr, ...)
queue_work_on(pool->release_wq, &pool->work) *BOOM*
So compact_wq needs to be destroyed before release_wq.
Link: http://lkml.kernel.org/r/20190726224810.79660-1-henryburns@google.com
Fixes:
|
||
Yang Shi
|
a53190a4aa |
mm: mempolicy: handle vma with unmovable pages mapped correctly in mbind
When running syzkaller internally, we ran into the below bug on 4.9.x
kernel:
kernel BUG at mm/huge_memory.c:2124!
invalid opcode: 0000 [#1] SMP KASAN
CPU: 0 PID: 1518 Comm: syz-executor107 Not tainted 4.9.168+ #2
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 0.5.1 01/01/2011
task: ffff880067b34900 task.stack: ffff880068998000
RIP: split_huge_page_to_list+0x8fb/0x1030 mm/huge_memory.c:2124
Call Trace:
split_huge_page include/linux/huge_mm.h:100 [inline]
queue_pages_pte_range+0x7e1/0x1480 mm/mempolicy.c:538
walk_pmd_range mm/pagewalk.c:50 [inline]
walk_pud_range mm/pagewalk.c:90 [inline]
walk_pgd_range mm/pagewalk.c:116 [inline]
__walk_page_range+0x44a/0xdb0 mm/pagewalk.c:208
walk_page_range+0x154/0x370 mm/pagewalk.c:285
queue_pages_range+0x115/0x150 mm/mempolicy.c:694
do_mbind mm/mempolicy.c:1241 [inline]
SYSC_mbind+0x3c3/0x1030 mm/mempolicy.c:1370
SyS_mbind+0x46/0x60 mm/mempolicy.c:1352
do_syscall_64+0x1d2/0x600 arch/x86/entry/common.c:282
entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Code: c7 80 1c 02 00 e8 26 0a 76 01 <0f> 0b 48 c7 c7 40 46 45 84 e8 4c
RIP [<ffffffff81895d6b>] split_huge_page_to_list+0x8fb/0x1030 mm/huge_memory.c:2124
RSP <ffff88006899f980>
with the below test:
uint64_t r[1] = {0xffffffffffffffff};
int main(void)
{
syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
intptr_t res = 0;
res = syscall(__NR_socket, 0x11, 3, 0x300);
if (res != -1)
r[0] = res;
*(uint32_t*)0x20000040 = 0x10000;
*(uint32_t*)0x20000044 = 1;
*(uint32_t*)0x20000048 = 0xc520;
*(uint32_t*)0x2000004c = 1;
syscall(__NR_setsockopt, r[0], 0x107, 0xd, 0x20000040, 0x10);
syscall(__NR_mmap, 0x20fed000, 0x10000, 0, 0x8811, r[0], 0);
*(uint64_t*)0x20000340 = 2;
syscall(__NR_mbind, 0x20ff9000, 0x4000, 0x4002, 0x20000340, 0x45d4, 3);
return 0;
}
Actually the test does:
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
socket(AF_PACKET, SOCK_RAW, 768) = 3
setsockopt(3, SOL_PACKET, PACKET_TX_RING, {block_size=65536, block_nr=1, frame_size=50464, frame_nr=1}, 16) = 0
mmap(0x20fed000, 65536, PROT_NONE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_DENYWRITE, 3, 0) = 0x20fed000
mbind(..., MPOL_MF_STRICT|MPOL_MF_MOVE) = 0
The setsockopt() would allocate compound pages (16 pages in this test)
for packet tx ring, then the mmap() would call packet_mmap() to map the
pages into the user address space specified by the mmap() call.
When calling mbind(), it would scan the vma to queue the pages for
migration to the new node. It would split any huge page since 4.9
doesn't support THP migration, however, the packet tx ring compound
pages are not THP and even not movable. So, the above bug is triggered.
However, the later kernel is not hit by this issue due to commit
|
||
|
Yang Shi
|
d883544515 |
mm: mempolicy: make the behavior consistent when MPOL_MF_MOVE* and MPOL_MF_STRICT were specified
When both MPOL_MF_MOVE* and MPOL_MF_STRICT was specified, mbind() should
try best to migrate misplaced pages, if some of the pages could not be
migrated, then return -EIO.
There are three different sub-cases:
1. vma is not migratable
2. vma is migratable, but there are unmovable pages
3. vma is migratable, pages are movable, but migrate_pages() fails
If #1 happens, kernel would just abort immediately, then return -EIO,
after
|
||
Ralph Campbell
|
1de13ee592 |
mm/hmm: fix bad subpage pointer in try_to_unmap_one
When migrating an anonymous private page to a ZONE_DEVICE private page,
the source page->mapping and page->index fields are copied to the
destination ZONE_DEVICE struct page and the page_mapcount() is
increased. This is so rmap_walk() can be used to unmap and migrate the
page back to system memory.
However, try_to_unmap_one() computes the subpage pointer from a swap pte
which computes an invalid page pointer and a kernel panic results such
as:
BUG: unable to handle page fault for address: ffffea1fffffffc8
Currently, only single pages can be migrated to device private memory so
no subpage computation is needed and it can be set to "page".
[rcampbell@nvidia.com: add comment]
Link: http://lkml.kernel.org/r/20190724232700.23327-4-rcampbell@nvidia.com
Link: http://lkml.kernel.org/r/20190719192955.30462-4-rcampbell@nvidia.com
Fixes:
|
||
|
Ralph Campbell
|
7ab0ad0e74 |
mm/hmm: fix ZONE_DEVICE anon page mapping reuse
When a ZONE_DEVICE private page is freed, the page->mapping field can be
set. If this page is reused as an anonymous page, the previous value
can prevent the page from being inserted into the CPU's anon rmap table.
For example, when migrating a pte_none() page to device memory:
migrate_vma(ops, vma, start, end, src, dst, private)
migrate_vma_collect()
src[] = MIGRATE_PFN_MIGRATE
migrate_vma_prepare()
/* no page to lock or isolate so OK */
migrate_vma_unmap()
/* no page to unmap so OK */
ops->alloc_and_copy()
/* driver allocates ZONE_DEVICE page for dst[] */
migrate_vma_pages()
migrate_vma_insert_page()
page_add_new_anon_rmap()
__page_set_anon_rmap()
/* This check sees the page's stale mapping field */
if (PageAnon(page))
return
/* page->mapping is not updated */
The result is that the migration appears to succeed but a subsequent CPU
fault will be unable to migrate the page back to system memory or worse.
Clear the page->mapping field when freeing the ZONE_DEVICE page so stale
pointer data doesn't affect future page use.
Link: http://lkml.kernel.org/r/20190719192955.30462-3-rcampbell@nvidia.com
Fixes:
|
||
|
Ralph Campbell
|
76470ccd62 |
mm: document zone device struct page field usage
Patch series "mm/hmm: fixes for device private page migration", v3. Testing the latest linux git tree turned up a few bugs with page migration to and from ZONE_DEVICE private and anonymous pages. Hopefully it clarifies how ZONE_DEVICE private struct page uses the same mapping and index fields from the source anonymous page mapping. This patch (of 3): Struct page for ZONE_DEVICE private pages uses the page->mapping and and page->index fields while the source anonymous pages are migrated to device private memory. This is so rmap_walk() can find the page when migrating the ZONE_DEVICE private page back to system memory. ZONE_DEVICE pmem backed fsdax pages also use the page->mapping and page->index fields when files are mapped into a process address space. Add comments to struct page and remove the unused "_zd_pad_1" field to make this more clear. Link: http://lkml.kernel.org/r/20190724232700.23327-2-rcampbell@nvidia.com Signed-off-by: Ralph Campbell <rcampbell@nvidia.com> Reviewed-by: John Hubbard <jhubbard@nvidia.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Christoph Lameter <cl@linux.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Jérôme Glisse <jglisse@redhat.com> Cc: "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com> Cc: Lai Jiangshan <jiangshanlai@gmail.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Jason Gunthorpe <jgg@mellanox.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Linus Torvalds
|
ee1c7bd33e |
tpmdd fixes for Linux v5.3-rc4
-----BEGIN PGP SIGNATURE----- iJYEABYIAD4WIQRE6pSOnaBC00OEHEIaerohdGur0gUCXVLtdiAcamFya2tvLnNh a2tpbmVuQGxpbnV4LmludGVsLmNvbQAKCRAaerohdGur0uadAP0dqXGizY45Bxtx wZHJaZZWiCj7bINI5mOym5AYwdtaCQEA5PlQ3ESHs6jqEu743jOlzLCmtk0l5Q3o LL19MYOhswU= =CuCU -----END PGP SIGNATURE----- Merge tag 'tpmdd-next-20190813' of git://git.infradead.org/users/jjs/linux-tpmdd Pull tpm fixes from Jarkko Sakkinen: "One more bug fix for the next release" * tag 'tpmdd-next-20190813' of git://git.infradead.org/users/jjs/linux-tpmdd: KEYS: trusted: allow module init if TPM is inactive or deactivated |
||
|
Linus Torvalds
|
60a8db7902 |
SCSI fixes on 20190813
Single lpfc fix, for a single cpu corner case. Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com> -----BEGIN PGP SIGNATURE----- iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCXVKNpSYcamFtZXMuYm90 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishcBWAQDV2FTB Day/5EVD/hwtXNNaA2ygzy/Vi8QgNV0xqQOzRQD/cVoh8fMCqlV1yVqrvMikJRp4 Zrbnvhe0k4cGhdD8Dcg= =Jpj2 -----END PGP SIGNATURE----- Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fix from James Bottomley: "Single lpfc fix, for a single-cpu corner case" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: lpfc: Fix crash when cpu count is 1 and null irq affinity mask |
||
Roberto Sassu
|
2d6c25215a |
KEYS: trusted: allow module init if TPM is inactive or deactivated
Commit |
||
Bernard Metzler
|
2c8ccb37b0 |
RDMA/siw: Change CQ flags from 64->32 bits
This patch changes the driver/user shared (mmapped) CQ notification flags field from unsigned 64-bits size to unsigned 32-bits size. This enables building siw on 32-bit architectures. This patch changes the siw-abi, but as siw was only just merged in this merge window cycle, there are no released kernels with the prior abi. We are making no attempt to be binary compatible with siw user space libraries prior to the merge of siw into the upstream kernel, only moving forward with upstream kernels and upstream rdma-core provided siw libraries are we guaranteeing compatibility. Signed-off-by: Bernard Metzler <bmt@zurich.ibm.com> Link: https://lore.kernel.org/r/20190809151816.13018-1-bmt@zurich.ibm.com Signed-off-by: Doug Ledford <dledford@redhat.com> |