mirror of https://gitee.com/openkylin/linux.git
738614 Commits
| Author | SHA1 | Message | Date |
|---|---|---|---|
Linus Torvalds
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d43be80a4a |
This is a single GPIO fix for the v4.16 series affecting the
Renesas driver, and fixes wakeup from external stuff. -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJapPzIAAoJEEEQszewGV1zyzEP/1lpoBdsHoMsLSQ5ya8YXXJo mtRTIn9WZ5cRS+RpR4UjRW+TnKcdfOtzEWevzyNoNWcSK1m9sSScOl2MwqP56Lda WH4SoLZYClHoUJsZ7v0r+b4WmOWa7IWaqjuNFLL+5w5nVmzpFlZoppqUAqoxi3rb Tr9PqI8NXmc9zfUz971/b8A4MmXMA/wXHfoin9uYoWHyyIf6Odszgdp01tMh1/39 7R9OlHgwXuRF0iPtcmwXINU2WjGerIChDOehZ3u/OCFXlPULtWktyWiqEOvEgour XXyLynCLwUn4x5QIXNb0wBGR7R2OxKyk78AddkvA0wKWbixgJ2WSBA6oJl1+Cy4b 2HQIkRz6b56JUf/7kc2Il+V0NIj4x0iq2JYOOHYcDe9sVdn9pVpfJ50gvkPDTTE8 zILym6abGSfhq/UXW8YKMGvMez7YasWHHtf1jPK4/4YJthCtWEUbFeK2Bfd4MMxg ey1hAz9ZWkCdP8vWr5Znyh5LCu+3gtq24dkSKrDhdnzO+UZxeb7ZYT/kv18YNJSk aRpPOGFCZpdV2LeclbgfOLi8OO+xFWC7bM6ZNSVVH7JfJG0SpOWWGt6hurS4cWK3 l7DHSIeWM2RCuJVPizHDM5Sr88P59t5cQm0JOt5t9WkUqAB8Abv6dJvGqkrghTbF xHAzyCax3xvnv+kuyRBo =8lyD -----END PGP SIGNATURE----- Merge tag 'gpio-v4.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO fix from Linus Walleij: "This is a single GPIO fix for the v4.16 series affecting the Renesas driver, and fixes wakeup from external stuff" * tag 'gpio-v4.16-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpio: rcar: Use wakeup_path i.s.o. explicit clock handling |
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Gregory CLEMENT
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3cd2c313f1 |
dmaengine: mv_xor_v2: Fix clock resource by adding a register clock
On the CP110 components which are present on the Armada 7K/8K SoC we need to explicitly enable the clock for the registers. However it is not needed for the AP8xx component, that's why this clock is optional. With this patch both clock have now a name, but in order to be backward compatible, the name of the first clock is not used. It allows to still use this clock with a device tree using the old binding. Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Vinod Koul <vinod.koul@intel.com> |
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Linus Torvalds
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3266b5bd97 |
Kbuild fixes for v4.16 (2nd)
- make fixdep parse kconfig.h to fix missing rebuild - replace hyphens with underscores in builtin DTB label names - fix typos -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJao+BsAAoJED2LAQed4NsGR+wQAKGslOYu+2swZur6UATf3vNU kVlkQCs0ZLi8+vnCBCHuN7Qh+2SyHE3pedMVRKXl8n0fP65hiH42I+yMNJQ+zRh+ wGjZdOWxjB80a8HUG9gbiCLfKaZ+7H1YYlWzhUvgJiEqmyKzDuXMYaYNbeOh1yJg dzTUuMvirw9OpT60FZqcR4Z8ivCbi0BmI9vOzKukQcgvXbPUkAX40yrxstPN3FeJ RWN0P/cKRhlYmM+42p0JcUqjt0OWGxKyoaOdTuz4ccOG9NEnRg4p9uygeedW615V 7HMMdn/ZNvGmzAcMkkafOs6m0zLQyM3nW35sRdepXGCRjy2Np3hq7AMN9qpTH6Ol i5XGZH3phYi3K9L5gUEF3ex0EjaCRjqb3+ppN81GJ7uQHVra+CCq4M8CRRK73+Vh wvwjqDfnh11N8p2yg+VBcLr4z+alVGV0gpg8t3zsNZwSqxGI+nc0wlyuLR2hnP6z ZD8b/V1qEFa64y0BL89Swfu8u1q9NwS79hfN3TwZF8E7QKtqJtkOrX8stTXkCvJ6 KUHfn7Z8Wosvmaz5NllR2aEGGDXM19mXVXoZ+3uNG8yM9whc0EDIrItT3ITF0Ryr f0SO+L7i+rHh1xCmKwWyWKZ7BQUzkFD5O2tOJxaglYF4juO5vqw9MuEQGNb9Kqa9 ouRcrBf/B+7mfv4AilAM =dyKQ -----END PGP SIGNATURE----- Merge tag 'kbuild-fixes-v4.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - make fixdep parse kconfig.h to fix missing rebuild - replace hyphens with underscores in builtin DTB label names - fix typos * tag 'kbuild-fixes-v4.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kbuild: Handle builtin dtb file names containing hyphens scripts/bloat-o-meter: fix typos in help fixdep: do not ignore kconfig.h fixdep: remove some false CONFIG_ matches fixdep: remove stale references to uml-config.h |
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Linus Torvalds
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23b33acc5f |
linux-watchdog 4.16-fixes-2 merge window tag
-----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) iEYEABECAAYFAlqjrhoACgkQ+iyteGJfRsqqSACfS2mtTsPzvxofsaKjlUgG0PUu GtEAoKNM20k8Ni145/eCeosboYspForw =8Tgb -----END PGP SIGNATURE----- Merge tag 'linux-watchdog-4.16-fixes-2' of git://www.linux-watchdog.org/linux-watchdog Pull watchdog fixes from Wim Van Sebroeck: - f71808e_wdt: Fix magic close handling - sbsa: 32-bit read fix for WCV - hpwdt: Remove legacy NMI sourcing * tag 'linux-watchdog-4.16-fixes-2' of git://www.linux-watchdog.org/linux-watchdog: watchdog: hpwdt: Remove legacy NMI sourcing. watchdog: sbsa: use 32-bit read for WCV watchdog: f71808e_wdt: Fix magic close handling |
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Linus Torvalds
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91a262096e |
for-linus-20180309
-----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABCAAGBQJao2pFAAoJEPfTWPspceCmo7wQAJb9B2FR0BnT0FeXyn+K14sB rsldkfXlMuA6zgNdDZjyrk5x1tAUpwE1md636V00clz/jFuBd9Wh6FhPRsvyWfsT IRcYh4d1Ojewyn/XsphBEgsruxe2gUGDaJKaeETH5Fzq/lo+zk+XESYuS6BD0dCl pLUMdVgsPl1FTlYjG8Oo7tPZcfrWtyOJ8Ri503PadEOretKIbjo5LbpNrKDsQCBT BmVrZJEDRXow9TaNgUgF6cYmJm2YVjKLnmovpNxVF2kto0oOfzEKoiQk/4kA7U5r kwIT9kXZO81GZ8JiG7ccNDrbQ+ExCaNMUSyhyDqrVs89/9xCA8ffTGj1bZWW4zd5 qw85McjcWGfZIzsVKpUr9xhZAVB9y1AwZ5en6bcSi5RVhltyxouBzFROq1iJEGis /OIz5XcOXAWMZWSa4PRh7PXSRXtmPh7mj4bE0GfnuWfIA9yPYk5sCe0Lq/XNFvC8 NVw8TL//SyMQnMUTCzFbRx7DXzZ1CRVSvV/28k96Clmymy8ZAEWhsvYb5bpMHM4C rAL71OEjDda+Msl0WKF7IWXYiuu5CWHk8Gp7k10IdVsVAorBzLRLXJvd+J7/SETk sO5QYW3DIxHwwS7389g91c1zq9KevDJUnV9AqkwcX260kgYjyPAdQB1eOLPTSHx9 aa20gUIfEEds35dWCZLK =1Ukr -----END PGP SIGNATURE----- Merge tag 'for-linus-20180309' of git://git.kernel.dk/linux-block Pull block fixes from Jens Axboe: - a xen-blkfront fix from Bhavesh with a multiqueue fix when detaching/re-attaching - a few important NVMe fixes, including a revert for a sysfs fix that caused some user space confusion - two bcache fixes by way of Michael Lyle - a loop regression fix, fixing an issue with lost writes on DAX. * tag 'for-linus-20180309' of git://git.kernel.dk/linux-block: loop: Fix lost writes caused by missing flag nvme_fc: rework sqsize handling nvme-fabrics: Ignore nr_io_queues option for discovery controllers xen-blkfront: move negotiate_mq to cover all cases of new VBDs Revert "nvme: create 'slaves' and 'holders' entries for hidden controllers" bcache: don't attach backing with duplicate UUID bcache: fix crashes in duplicate cache device register nvme: pci: pass max vectors as num_possible_cpus() to pci_alloc_irq_vectors nvme-pci: Fix EEH failure on ppc |
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Linus Torvalds
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b3b25b1d9e |
- Fix an uninitialized variable false warning in dm bufio
- Fix DM's passthrough ioctl support to be race free against an underlying device being removed. - Fix corner-case of DM raid resync reporting if/when the raid becomes degraded during resync; otherwise automated raid repair will fail. - A few DM multipath fixes to make non-SCSI optimizations, that were introduced during the 4.16 merge, useful for all non-SCSI devices, rather than narrowly define this non-SCSI mode in terms of "nvme". This allows the removal of "queue_mode nvme" that really didn't need to be introduced. Instead DM core will internalize whether nvme-specific IO submission optimizations are doable and DM multipath will only do SCSI-specific device handler operations if SCSI is in use. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAABAgAGBQJaou84AAoJEMUj8QotnQNaYucH/RTlx1kJ4S7dHqUVFQdYZoZM ngpBGQZrvcjGwiTqpFb5lbvS4eXL5tAJrmIlcP/vD5woP57kK6uaxWbhZTDKlARK UppM2FwA166szfYLMopA4yPj7o2+aBBF6y6Q9s5kP9UbsNIdBbPGBzz3JhThSu5q FB6YWhMuEpBwQT2Y5nrz/X5mBVnzjPnvCDeYh3HLihnPeYYZiupR9EVCJ7vRVc+S S8+oX6Yl9Jc6GWKQriQW+EEQN/9E6YMH4tTPvd8S5hT6uzznePx8myv60qXM894J f+O9gcna3rF41XIYleUEXbES0kwXZzISeJNo5NokTRIKEmn8fJU+tuvqAGTh/yQ= =1Ki0 -----END PGP SIGNATURE----- Merge tag 'for-4.16/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper fixes from Mike Snitzer: - Fix an uninitialized variable false warning in dm bufio - Fix DM's passthrough ioctl support to be race free against an underlying device being removed. - Fix corner-case of DM raid resync reporting if/when the raid becomes degraded during resync; otherwise automated raid repair will fail. - A few DM multipath fixes to make non-SCSI optimizations, that were introduced during the 4.16 merge, useful for all non-SCSI devices, rather than narrowly define this non-SCSI mode in terms of "nvme". This allows the removal of "queue_mode nvme" that really didn't need to be introduced. Instead DM core will internalize whether nvme-specific IO submission optimizations are doable and DM multipath will only do SCSI-specific device handler operations if SCSI is in use. * tag 'for-4.16/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm table: allow upgrade from bio-based to specialized bio-based variant dm mpath: remove unnecessary NVMe branching in favor of scsi_dh checks dm table: fix "nvme" test dm raid: fix incorrect sync_ratio when degraded dm: use blkdev_get rather than bdgrab when issuing pass-through ioctl dm bufio: avoid false-positive Wmaybe-uninitialized warning |
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Linus Torvalds
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2f64e70cd0 |
Second pull request for 4.16-rc
- Various driver bug fixes in mlx5, mlx4, bnxt_re and qedr, ranging from bugs under load to bad error case handling - There in one largish patch fixing the locking in bnxt_re to avoid a machine hard lock situation - A few core bugs on error paths - A patch to reduce stack usage in the new CQ API - One mlx5 regression introduced in this merge window - There were new syzkaller scripts written for the RDMA subsystem and we are fixing issues found by the bot - One of the commits ( |
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Linus Torvalds
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b3337a6c35 |
platform-drivers-x86 for v4.16-6
Correct a module loading race condition between the DELL_SMBIOS backend modules and the first user by converting them to bool features of the DELL_SMBIOS driver. Fixup the resulting Kconfig dependency issue with DCDBAS. The following is an automated git shortlog grouped by driver: - Resolve dependency error on DCDBAS - Allow for SMBIOS backend defaults - Link all dell-smbios-* modules together - Rename dell-smbios source to dell-smbios-base - Correct some style warnings -----BEGIN PGP SIGNATURE----- iQEcBAABAgAGBQJaot3AAAoJEKbMaAwKp364dmgIAIfHTsJK43WBdhiA8t+ZR2eI vW6gWOmTR0srhybgBFh+yNd0ljH4Ogb/JUrFuF6cemtpWxTJC+KS0gZWbHFw/5w5 OsovY0/8AVtC7IFVe0HH3w3fZwsGGq4H/LU1K580cRF/YYzMVXnr2ASkIqn/EUzS voeAuL23JYvq+ByAqqKmA3tN7/+YpMrt5MPkJHk/MGnGxspTapcMvEK/fkYSlDWa MpWuKWqfFMM02sV37zyNQYaU64+5/FtGL/2OwsuMD6OgCism+FS/gPhR1JYLtPbd GKJoSfWqn2cMnLTA+1V9ya0zvGAwK4AdIoe4Cjg49pITXZneNfw+NzoQUe12Yg4= =FAX7 -----END PGP SIGNATURE----- Merge tag 'platform-drivers-x86-v4.16-6' of git://git.infradead.org/linux-platform-drivers-x86 Pull x86 platform driver fixes from Darren Hart: "Correct a module loading race condition between the DELL_SMBIOS backend modules and the first user by converting them to bool features of the DELL_SMBIOS driver. Fixup the resulting Kconfig dependency issue with DCDBAS" * tag 'platform-drivers-x86-v4.16-6' of git://git.infradead.org/linux-platform-drivers-x86: platform/x86: dell-smbios: Resolve dependency error on DCDBAS platform/x86: Allow for SMBIOS backend defaults platform/x86: dell-smbios: Link all dell-smbios-* modules together platform/x86: dell-smbios: Rename dell-smbios source to dell-smbios-base platform/x86: dell-smbios: Correct some style warnings |
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Linus Torvalds
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cdb06e9d8f |
KVM fixes for v4.16-rc5
PPC:
- Fix guest time accounting in the host
- Fix large-page backing for radix guests on POWER9
- Fix HPT guests on POWER9 backed by 2M or 1G pages
- Compile fixes for some configs and gcc versions
s390:
- Fix random memory corruption when running as guest2 (e.g. KVM in
LPAR) and starting guest3 (e.g. nested KVM) with many CPUs
- Export forgotten io interrupt delivery statistics counter
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Radim Krčmář:
"PPC:
- Fix guest time accounting in the host
- Fix large-page backing for radix guests on POWER9
- Fix HPT guests on POWER9 backed by 2M or 1G pages
- Compile fixes for some configs and gcc versions
s390:
- Fix random memory corruption when running as guest2 (e.g. KVM in
LPAR) and starting guest3 (e.g. nested KVM) with many CPUs
- Export forgotten io interrupt delivery statistics counter"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: s390: fix memory overwrites when not using SCA entries
KVM: PPC: Book3S HV: Fix guest time accounting with VIRT_CPU_ACCOUNTING_GEN
KVM: PPC: Book3S HV: Fix VRMA initialization with 2MB or 1GB memory backing
KVM: PPC: Book3S HV: Fix handling of large pages in radix page fault handler
KVM: s390: provide io interrupt kvm_stat
KVM: PPC: Book3S: Fix compile error that occurs with some gcc versions
KVM: PPC: Fix compile error that occurs when CONFIG_ALTIVEC=n
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Linus Torvalds
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39614481fb |
xen: fix for V4.16-rc5
-----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQEcBAABAgAGBQJaotGdAAoJELDendYovxMvzPoIAJ/wdIyikhIl4gFRY3dNJUfk iPfqmzc5y6zqVMYOHXy4aM1WsNqSJjzHQPNQQ/EgPC6EwvqnbRKTA1Z+06t8idtx RsjmQaiXUo+Rdo0QnuFUEZYwrec74GasujsnLy/CJcJOK6bULyoCETDluU6cXUJ1 VcETKTselFPb19Hah6SNOkKn00J6ZYLddpF9RcYEpbln7cAzWKTvd0B/kNW24ToM OkH4m0qO0OzNHxLO31ZG2H/C8VukscQO7PTdcECenjkXnyztfkoLzCJswd7hGIDE JmQJgWKALZfPtwqFztC1bu7Y0N+aOxChggaXxKPlytmfs083EGFZ8H5SYZnhugs= =mXIM -----END PGP SIGNATURE----- Merge tag 'for-linus-4.16a-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen fix from Juergen Gross: "Just one fix for the correct error handling after a failed device_register()" * tag 'for-linus-4.16a-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen: xenbus: use put_device() instead of kfree() |
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Linus Torvalds
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4178802c77 |
arm64 fixes:
- The SMCCC firmware interface for the spectre variant 2 mitigation has been updated to allow the discovery of whether the CPU needs the workaround. This pull request relaxes the kernel check on the return value from firmware. - Fix the commit allowing changing from global to non-global page table entries which inadvertently disallowed other safe attribute changes. - Fix sleeping in atomic during the arm_perf_teardown_cpu() code. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE5RElWfyWxS+3PLO2a9axLQDIXvEFAlqi040ACgkQa9axLQDI XvFnJQ//YTCYifVu7pBY50czqDjBZ8BONQJFtMCsz/id4fBeELrciN5jNklWXA/y yYg+9Rb4UAEomqCRJWRU6MdIx52UagWlJ2Cn0G5q48uMdY9YFCJ4V8M6IFikvSUp o0p6Ldhee4r2yv6iBs125c7vIW/4c3nrTb03nsEJrjesKjcW1JSrzuJ0Py+x6ZIP AMuZocGlUOZ3NlKTPTQqY//fFCBp/hjvYzgUmPpcSZE/3E5pLHoxAIkkLMsaXaLH eWAbT9/E3NfQoBX2xisp7fyfd5nXZZ5IfEFJC90Dtl+yMb4I3DPgmBXclGFC8Rxd YOyabVAx9vpyBPGa9h4EtwMSRmiNwLwKxfCcXii8gAV7lPDqOyzduQTeepNCv6iY ioPHnx3mEEpfEF8TCV0lXzcsPdQnkfQcciJGxoz31KQe3TIp1keGASfwbn/Q575S i8/pHg9PS1r18tQIrrm/0lnBvkiyBFiKxPgOaWk4GXFYNh34GS9+xnTOsTuGOgGg vjQ0gRIkseqOeVuZSwD6kkj0f70NsjreTOaXF8eCA4cpGIia+cGUAOPR1SKTF3o6 XkDjCRpde0KZoon95qye0+mVVJHOPgLs5VXFEngF7HCbI6spXxMSKuKoRYUbXZQj ddXQeaPY0wisMWmerDM9jkbhaprNsKp7b9CGmZKWAYXaa6+Y93w= =jVvu -----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: - The SMCCC firmware interface for the spectre variant 2 mitigation has been updated to allow the discovery of whether the CPU needs the workaround. This pull request relaxes the kernel check on the return value from firmware. - Fix the commit allowing changing from global to non-global page table entries which inadvertently disallowed other safe attribute changes. - Fix sleeping in atomic during the arm_perf_teardown_cpu() code. * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: arm64: Relax ARM_SMCCC_ARCH_WORKAROUND_1 discovery arm_pmu: Use disable_irq_nosync when disabling SPI in CPU teardown hook arm64: mm: fix thinko in non-global page table attribute check |
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Linus Torvalds
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ed3c4dff8d |
The Sphinx 1.7 release broke the build process for reasons that are mostly
our fault. This is a single fix cherry-picked from docs-next that restores docs buildability for all supported Sphinx versions. -----BEGIN PGP SIGNATURE----- iQJDBAABCAAtFiEEUOvtSCFqLxY/7px3jc41VjAi5XoFAlqiyLMPHGNvcmJldEBs d24ubmV0AAoJEI3ONVYwIuV6ePoQAK68+ymsML3xptZ0KoWV0PEHJUI+Ajnejj8/ 8ikgQWrg/cYkOu+gd0X6L/BewsM3cZ7zo2a7wBM8xK4HSme86Uz522CVGFieB/VF SFSUjFknVi9a2Bi4WBwR33EYUjUi6yDMVVfojPgC+fninqx6G5RV+vQSxWArgM3y aJwZqiBG7SfLUUQ8656JAWfJgmnnxHPC6DyOfTBm/UvuJZmHYmbo/UbAUlpfWG7I eG1Ks6CsbC0cfIWR2cs/tQe1tymkRMlaZwdTzkP2prXJ9ivtjtPtgnIyyTNZ5Dn/ Uouf5egQDeRI/gdJg9Qy3cXGMMCzRXCCbkm0bg9lCG4vFcOTqRUi9GKvV8/n8G8o BFNd7ycIbcUDK3+WdVZYrGk2tPB4sqs8VFaau6ESJpvqBXc7S3Nj9UN2fw9IteyO U5Z15pc/2Lp8nSy6lHqDb70Fmpu3ksbk1odMDyGkpsO3XgFD8pbXMlI8Niijcqjb i12JHm3zjyhSIX4XNk/e9OWrTtx7O5wCUqVDNsjhGHuUvuaMIpm/q05DrLNHyfsE 06D8tvtYR1R/W9nVByAdbbGVJioaRPqJNLjYkYqQn6FnGHNr5WwI6Mli12hVhWAc UYjqF6iQg3myrmvKSj8NcIXKRIdRmfw3I02xflprbqa4SUfUTF61Xq61jRjv3PM5 FlgNPFBw =SAyC -----END PGP SIGNATURE----- Merge tag 'docs-4.16-fix' of git://git.lwn.net/linux Pull Documentation build fix from Jonathan Corbet: "The Sphinx 1.7 release broke the build process for reasons that are mostly our fault. This is a single fix cherry-picked from docs-next that restores docs buildability for all supported Sphinx versions" * tag 'docs-4.16-fix' of git://git.lwn.net/linux: Documentation/sphinx: Fix Directive import error |
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Linus Torvalds
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cfc79ae844 |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton: "8 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: lib/test_kmod.c: fix limit check on number of test devices created selftests/vm/run_vmtests: adjust hugetlb size according to nr_cpus mm/page_alloc: fix memmap_init_zone pageblock alignment mm/memblock.c: hardcode the end_pfn being -1 mm/gup.c: teach get_user_pages_unlocked to handle FOLL_NOWAIT lib/bug.c: exclude non-BUG/WARN exceptions from report_bug() bug: use %pB in BUG and stack protector failure hugetlb: fix surplus pages accounting |
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Luis R. Rodriguez
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ac68b1b3b9 |
lib/test_kmod.c: fix limit check on number of test devices created
As reported by Dan the parentheses is in the wrong place, and since
unlikely() call returns either 0 or 1 it's never less than zero. The
second issue is that signed integer overflows like "INT_MAX + 1" are
undefined behavior.
Since num_test_devs represents the number of devices, we want to stop
prior to hitting the max, and not rely on the wrap arround at all. So
just cap at num_test_devs + 1, prior to assigning a new device.
Link: http://lkml.kernel.org/r/20180224030046.24238-1-mcgrof@kernel.org
Fixes:
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Li Zhijian
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0627be7d3c |
selftests/vm/run_vmtests: adjust hugetlb size according to nr_cpus
Fix userfaultfd_hugetlb on hosts which have more than 64 cpus. --------------------------- running userfaultfd_hugetlb --------------------------- invalid MiB Usage: <MiB> <bounces> [FAIL] Via userfaultfd.c we can know, hugetlb_size needs to meet hugetlb_size >= nr_cpus * hugepage_size. hugepage_size is often 2M, so when host cpus > 64, it requires more than 128M. [zhijianx.li@intel.com: update changelog/comments and variable name] Link: http://lkml.kernel.org/r/20180302024356.83359-1-zhijianx.li@intel.com Link: http://lkml.kernel.org/r/20180303125027.81638-1-zhijianx.li@intel.com Link: http://lkml.kernel.org/r/20180302024356.83359-1-zhijianx.li@intel.com Signed-off-by: Li Zhijian <zhijianx.li@intel.com> Cc: Shuah Khan <shuah@kernel.org> Cc: SeongJae Park <sj38.park@gmail.com> Cc: Philippe Ombredanne <pombredanne@nexb.com> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Daniel Vacek
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864b75f9d6 |
mm/page_alloc: fix memmap_init_zone pageblock alignment
Commit |
|
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Daniel Vacek
|
379b03b7fa |
mm/memblock.c: hardcode the end_pfn being -1
This is just a cleanup. It aids handling the special end case in the next commit. [akpm@linux-foundation.org: make it work against current -linus, not against -mm] [akpm@linux-foundation.org: make it work against current -linus, not against -mm some more] Link: http://lkml.kernel.org/r/1ca478d4269125a99bcfb1ca04d7b88ac1aee924.1520011944.git.neelx@redhat.com Signed-off-by: Daniel Vacek <neelx@redhat.com> Cc: Michal Hocko <mhocko@suse.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Pavel Tatashin <pasha.tatashin@oracle.com> Cc: Paul Burton <paul.burton@imgtec.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Andrea Arcangeli
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96312e6128 |
mm/gup.c: teach get_user_pages_unlocked to handle FOLL_NOWAIT
KVM is hanging during postcopy live migration with userfaultfd because
get_user_pages_unlocked is not capable to handle FOLL_NOWAIT.
Earlier FOLL_NOWAIT was only ever passed to get_user_pages.
Specifically faultin_page (the callee of get_user_pages_unlocked caller)
doesn't know that if FAULT_FLAG_RETRY_NOWAIT was set in the page fault
flags, when VM_FAULT_RETRY is returned, the mmap_sem wasn't actually
released (even if nonblocking is not NULL). So it sets *nonblocking to
zero and the caller won't release the mmap_sem thinking it was already
released, but it wasn't because of FOLL_NOWAIT.
Link: http://lkml.kernel.org/r/20180302174343.5421-2-aarcange@redhat.com
Fixes:
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Kees Cook
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1b4cfe3c0a |
lib/bug.c: exclude non-BUG/WARN exceptions from report_bug()
Commit |
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Kees Cook
|
0862ca422b |
bug: use %pB in BUG and stack protector failure
The BUG and stack protector reports were still using a raw %p. This
changes it to %pB for more meaningful output.
Link: http://lkml.kernel.org/r/20180301225704.GA34198@beast
Fixes:
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Michal Hocko
|
4704dea36d |
hugetlb: fix surplus pages accounting
Dan Rue has noticed that libhugetlbfs test suite fails counter test:
# mount_point="/mnt/hugetlb/"
# echo 200 > /proc/sys/vm/nr_hugepages
# mkdir -p "${mount_point}"
# mount -t hugetlbfs hugetlbfs "${mount_point}"
# export LD_LIBRARY_PATH=/root/libhugetlbfs/libhugetlbfs-2.20/obj64
# /root/libhugetlbfs/libhugetlbfs-2.20/tests/obj64/counters
Starting testcase "/root/libhugetlbfs/libhugetlbfs-2.20/tests/obj64/counters", pid 3319
Base pool size: 0
Clean...
FAIL Line 326: Bad HugePages_Total: expected 0, actual 1
The bug was bisected to
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Leon Romanovsky
|
28e9091e31 |
RDMA/mlx5: Fix integer overflow while resizing CQ
The user can provide very large cqe_size which will cause to integer
overflow as it can be seen in the following UBSAN warning:
=======================================================================
UBSAN: Undefined behaviour in drivers/infiniband/hw/mlx5/cq.c:1192:53
signed integer overflow:
64870 * 65536 cannot be represented in type 'int'
CPU: 0 PID: 267 Comm: syzkaller605279 Not tainted 4.15.0+ #90 Hardware
name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
rel-1.7.5-0-ge51488c-20140602_164612-nilsson.home.kraxel.org 04/01/2014
Call Trace:
dump_stack+0xde/0x164
? dma_virt_map_sg+0x22c/0x22c
ubsan_epilogue+0xe/0x81
handle_overflow+0x1f3/0x251
? __ubsan_handle_negate_overflow+0x19b/0x19b
? lock_acquire+0x440/0x440
mlx5_ib_resize_cq+0x17e7/0x1e40
? cyc2ns_read_end+0x10/0x10
? native_read_msr_safe+0x6c/0x9b
? cyc2ns_read_end+0x10/0x10
? mlx5_ib_modify_cq+0x220/0x220
? sched_clock_cpu+0x18/0x200
? lookup_get_idr_uobject+0x200/0x200
? rdma_lookup_get_uobject+0x145/0x2f0
ib_uverbs_resize_cq+0x207/0x3e0
? ib_uverbs_ex_create_cq+0x250/0x250
ib_uverbs_write+0x7f9/0xef0
? cyc2ns_read_end+0x10/0x10
? print_irqtrace_events+0x280/0x280
? ib_uverbs_ex_create_cq+0x250/0x250
? uverbs_devnode+0x110/0x110
? sched_clock_cpu+0x18/0x200
? do_raw_spin_trylock+0x100/0x100
? __lru_cache_add+0x16e/0x290
__vfs_write+0x10d/0x700
? uverbs_devnode+0x110/0x110
? kernel_read+0x170/0x170
? sched_clock_cpu+0x18/0x200
? security_file_permission+0x93/0x260
vfs_write+0x1b0/0x550
SyS_write+0xc7/0x1a0
? SyS_read+0x1a0/0x1a0
? trace_hardirqs_on_thunk+0x1a/0x1c
entry_SYSCALL_64_fastpath+0x1e/0x8b
RIP: 0033:0x433549
RSP: 002b:00007ffe63bd1ea8 EFLAGS: 00000217
=======================================================================
Cc: syzkaller <syzkaller@googlegroups.com>
Cc: <stable@vger.kernel.org> # 3.13
Fixes:
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Doug Ledford
|
212a0cbc56 |
Revert "RDMA/mlx5: Fix integer overflow while resizing CQ"
The original commit of this patch has a munged log message that is
missing several of the tags the original author intended to be on the
patch. This was due to patchworks misinterpreting a cut-n-paste
separator line as an end of message line and munging the mbox that was
used to import the patch:
https://patchwork.kernel.org/patch/10264089/
The original patch will be reapplied with a fixed commit message so the
proper tags are applied.
This reverts commit
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Linus Torvalds
|
c68a2cf07a |
pci-v4.16-fixes-3
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Linus Torvalds
|
99d7d64b60 |
fbdev fix for v4.16-rc5:
- fix kernel data leak in FBIOGETCMAP_SPARC ioctl (Peter Malone) -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABCAAGBQJaorOYAAoJEH4ztj+gR8ILAMcP/3OuHo2Oh9czd5LjhdpiHDA/ liXIAWs8ujMGE0BNNXIeLJ8VCpXDRAqWdsEDzamIjrag8Um7oBCp/TLlHwwJl7nK P6vDn3QHdz7eWYSC7hs6bphlPlYVI9a8VpZOMxvj5w25oZfWADaaVDdmjofwXG4j 6AjNb0F8Ls+SaprZABj7l9h7/zeX5AvtraTZz6hSwvxsoxR12YnpaeRzaFdaidux HV28RgHU1Yn6nTSSSu5oQVnWsknMxftowrd8ZMwqG3O7Ukn50nsSPEMeZmY/XoDb EZtPPodGzBKZYnZ/ZHYdh0MDFh8/n/tIbDzFeoqli2bTjhIzx3aELnvYrJF1RPlp YTGtYK+IHTZQZv8BxyHmrnSIfPi7rVqTPijybe4t9Feyq+TNfb0uBk12t//duO3W 23hj4jAVIyWBOibstzKov8PaPusq3xlvJ0Pc0bsaEEzY6+ED5crhMGWONMkA7ekV Jq37G5N4egDK4dBI5nvnNVvejZ5fp9KjEDU7gowYEpjMIUS9n09xK1+pXa3mfsiX 6LaDNEzDDOkt745c+j7NfLE+aFUH/SqHiEdOHbmd9/HSHYNcflBmBMMsgYbJ6mX0 oeoKcD/8aYkTxEdqRNMqGSC+6uf2/7+KuPXV66Sf9DkGInpqAWDUxDAs8XrcczXl 1Y8RaGn6cdi72nkZStQb =ukkh -----END PGP SIGNATURE----- Merge tag 'fbdev-v4.16-rc5' of git://github.com/bzolnier/linux Pull fbdev fix from Bartlomiej Zolnierkiewicz: "Just a single fix to close a kernel data leak in FBIOGETCMAP_SPARC ioctl" * tag 'fbdev-v4.16-rc5' of git://github.com/bzolnier/linux: fbdev: Fixing arbitrary kernel leak in case FBIOGETCMAP_SPARC in sbusfb_ioctl_helper(). |
|
|
Linus Torvalds
|
65307f2e05 |
amdgfx, i915, sun4i fixes
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Merge tag 'drm-fixes-for-v4.16-rc5' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"There are a small set of sun4i and i915 fixes, and many more amdgpu
fixes:
sun4i:
- divide by zero fix
- clock and LVDS fixes
i915:
- fix for perf
- race fix
amdgpu:
- a bit more than we are normally comfortable with at this point,
however it does fix a lot of display issues with the new DC code
which result in black screens in various configurations along with
some run of the mill gpu configuration fixes.
I'm happy enough that the fixes are limited to the DC code and
should fix a bunch of issues on the new raven ridge APUs that we
are seeing shipped now"
* tag 'drm-fixes-for-v4.16-rc5' of git://people.freedesktop.org/~airlied/linux: (42 commits)
drm/amd/display: validate plane format on primary plane
drm/amdgpu:Always save uvd vcpu_bo in VM Mode
drm/amdgpu:Correct max uvd handles
drm/amd/display: early return if not in vga mode in disable_vga
drm/amd/display: Fix takover from VGA mode
drm/amd/display: Fix memleaks when atomic check fails.
drm/amd/display: Return success when enabling interrupt
drm/amd/display: Use crtc enable/disable_vblank hooks
drm/amd/display: update infoframe after dig fe is turned on
drm/amd/display: fix boot-up on vega10
drm/amd/display: fix cursor related Pstate hang
drm/amd/display: Set irq state only on existing crtcs
drm/amd/display: Fixed non-native modes not lighting up
drm/amd/display: Call update_stream_signal directly from amdgpu_dm
drm/amd/display: Make create_stream_for_sink more consistent
drm/amd/display: Don't block dual-link DVI modes
drm/amd/display: Don't allow dual-link DVI on all ASICs.
drm/amd/display: Pass signal directly to enable_tmds_output
drm/amd/display: Remove unnecessary fail labels in create_stream_for_sink
drm/amd/display: Move MAX_TMDS_CLOCK define to header
...
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|
|
Linus Torvalds
|
dfbab3fa45 |
sound fixes for 4.16-rc5
Two type of fixes:
- The usual stuff, a handful HD-audio quirks for various machines
- Further hardening against ALSA sequencer ioctl/write races that
are triggered by fuzzer
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Merge tag 'sound-4.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Two type of fixes:
- The usual stuff, a handful HD-audio quirks for various machines
- Further hardening against ALSA sequencer ioctl/write races that are
triggered by fuzzer"
* tag 'sound-4.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda: add dock and led support for HP ProBook 640 G2
ALSA: hda: add dock and led support for HP EliteBook 820 G3
ALSA: hda/realtek - Make dock sound work on ThinkPad L570
ALSA: seq: Remove superfluous snd_seq_queue_client_leave_cells() call
ALSA: seq: More protection for concurrent write and ioctl races
ALSA: seq: Don't allow resizing pool in use
ALSA: hda/realtek - Fix dock line-out volume on Dell Precision 7520
ALSA: hda/realtek: Limit mic boost on T480
ALSA: hda/realtek - Add headset mode support for Dell laptop
ALSA: hda/realtek - Add support headset mode for DELL WYSE
ALSA: hda - Fix a wrong FIXUP for alc289 on Dell machines
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Marc Zyngier
|
e21da1c992 |
arm64: Relax ARM_SMCCC_ARCH_WORKAROUND_1 discovery
A recent update to the ARM SMCCC ARCH_WORKAROUND_1 specification
allows firmware to return a non zero, positive value to describe
that although the mitigation is implemented at the higher exception
level, the CPU on which the call is made is not affected.
Let's relax the check on the return value from ARCH_WORKAROUND_1
so that we only error out if the returned value is negative.
Fixes:
|
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Matthew Wilcox
|
ff690eeed8 |
Documentation/sphinx: Fix Directive import error
Sphinx 1.7 removed sphinx.util.compat.Directive so people who have upgraded cannot build the documentation. Switch to docutils.parsers.rst.Directive which has been available since docutils 0.5 released in 2009. Bugzilla: https://bugzilla.opensuse.org/show_bug.cgi?id=1083694 Co-developed-by: Takashi Iwai <tiwai@suse.de> Acked-by: Jani Nikula <jani.nikula@intel.com> Cc: stable@vger.kernel.org Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
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Linus Torvalds
|
719ea86151 |
Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs fixes from Miklos Szeredi: "This fixes a corner case for NFS exporting (introduced in this cycle) as well as fixing miscellaneous bugs" * 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs: ovl: update Kconfig texts ovl: redirect_dir=nofollow should not follow redirect for opaque lower ovl: fix ptr_ret.cocci warnings ovl: check ERR_PTR() return value from ovl_lookup_real() ovl: check lower ancestry on encode of lower dir file handle ovl: hash non-dir by lower inode for fsnotify |
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|
Linus Torvalds
|
2d9b1d69c3 |
Changes since last update:
- Fix some iomap locking problems - Don't allocate cow blocks when we're zeroing file data -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCgAGBQJamePeAAoJEPh/dxk0SrTryPgP/0sh8xcAFUHR0ad7D74nSp3o 1gjBi6Yl+i+hn5SZ/gkKPa5YFjTMaefcTV8rpZm3uPYbTf75TTscjKDDczFNEqoh CDKOeyfOchVSjhRI5ExElBh5ToxDgh+HMzzlmxk+olfWA+BXjJj2J2iLh871v9Ym hQl7xOYUDPu1xZz+jLhDLKG2Gd/R97ez2KZM43gKMAUsQ7eUbz6CtV73cFT+tNfP jjIe3xp6ohbJYJalMThbNcI2mOOssnCM8BHUDBJib7N4CXucJYTMpDAcGvNoFKul +K2Icyip1/6CS4LkWDpP29ayiH+sTbZk8/ipioe27hXXHGqKG84HQOBefRZmo4o0 CC64SoomuxQX6V7qL6hf0Sz82QQbl+ToSliZ97xXP5o84/OxhggZGqVdykTR2+DB 4POaJzRPmYJKPO4Q0yT2worB4oepAUrridJnaQE0y9F80xnLTvJxpD53atLCHulj Ht9NlvnvqndDYaYjQwvucOmdR9vCos3OjZCaXnYgL+EpbgZUvMeQoxuyBUBTdQeQ CNGq3EDssI75gD67sWeyFc+gOST259XofANw3mvlu3KS2/huviORJkDYdtzi2/LL gkCN9OW9CmXOaAiylE8dSAu98SAR+c83wmahMeBA2mq5vYrQU4rIDGYZi/Mulne4 tD7eW5nlvps9Fsvf58fd =T9nM -----END PGP SIGNATURE----- Merge tag 'xfs-4.16-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux Pull xfs fixes from Darrick Wong: - Fix some iomap locking problems - Don't allocate cow blocks when we're zeroing file data * tag 'xfs-4.16-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: xfs: don't block on the ilock for RWF_NOWAIT xfs: don't start out with the exclusive ilock for direct I/O xfs: don't allocate COW blocks for zeroing holes or unwritten extents |
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Darren Hart (VMware)
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32d7b19bad |
platform/x86: dell-smbios: Resolve dependency error on DCDBAS
When the DELL_SMBIOS_SMM backend is enabled, the DELL_SMBIOS symbol depends on DELL_DCDBAS, and we must avoid the situation where DELL_SMBIOS=y and DCDBAS=m. Adding the conditional dependency to DELL_SMBIOS such as: depends !DELL_SMBIOS_SMM || (DCDBAS || DCDBAS=n) results in the Kconfig tooling complaining about a circular dependency, although it appears to work in practice. Avoid the errors by simplifying the dependency and forcing DELL_SMBIOS to be <= DCDBAS if DCDBAS is enabled (thanks to Greg KH for the suggestion). Cc: Mario.Limonciello@dell.com Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org> |
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Darren Hart (VMware)
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329d58b890 |
platform/x86: Allow for SMBIOS backend defaults
Avoid accidental configurations by setting default y for DELL_SMBIOS backends. Avoid this impacting the default build size, by making them dependent on DELL_SMBIOS, so they only appear when DELL_SMBIOS is manually selected, or by DELL_LAPTOP or DELL_WMI. While DELL_SMBIOS does have a prompt, it does not have any dependencies. Keeping DELL_SMBIOS visible, despite being "select"ed by DELL_LAPTOP and DELL_WMI, is a deliberate choice to provide context for the WMI and SMM backends, which would otherwise appear to float without context within the menu. Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org> |
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Mario Limonciello
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25d47027e1 |
platform/x86: dell-smbios: Link all dell-smbios-* modules together
Some race conditions were raised due to dell-smbios and its backends not being ready by the time that a consumer would call one of the exported methods. To avoid this problem, guarantee that all initialization has been done by linking them all together and running init for them all. As part of this change the Kconfig needs to be adjusted so that CONFIG_DELL_SMBIOS_SMM and CONFIG_DELL_SMBIOS_WMI are boolean rather than modules. CONFIG_DELL_SMBIOS is a visually selectable option again and both CONFIG_DELL_SMBIOS_WMI and CONFIG_DELL_SMBIOS_SMM are optional. Signed-off-by: Mario Limonciello <mario.limonciello@dell.com> [dvhart: Update prompt and help text for DELL_SMBIOS_* backends] Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org> |
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Mario Limonciello
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94f77cb168 |
platform/x86: dell-smbios: Rename dell-smbios source to dell-smbios-base
This is being done to faciliate a later change to link all the dell-smbios drivers together. Signed-off-by: Mario Limonciello <mario.limonciello@dell.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org> |
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Mario Limonciello
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b53539625e |
platform/x86: dell-smbios: Correct some style warnings
WARNING: function definition argument 'struct calling_interface_buffer *' should also have an identifier name + int (*call_fn)(struct calling_interface_buffer *); WARNING: Block comments use * on subsequent lines + /* 4 bytes of table header, plus 7 bytes of Dell header, plus at least + 6 bytes of entry */ WARNING: Block comments use a trailing */ on a separate line + 6 bytes of entry */ Signed-off-by: Mario Limonciello <mario.limonciello@dell.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org> |
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Linus Torvalds
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a525df0558 |
powerpc fixes for 4.16 #5
One notable fix to properly advertise our support for a new firmware feature, caused by two series conflicting semantically but not textually. There's a new ioctl for the new ocxl driver, which is not a fix, but needed to complete the userspace API and good to have before the driver is in a released kernel. Finally three minor selftest fixes, and a fix for intermittent build failures for some obscure platforms, caused by a missing make dependency. Thanks to: Alastair D'Silva, Bharata B Rao, Guenter Roeck. -----BEGIN PGP SIGNATURE----- iQIwBAABCAAaBQJaomOTExxtcGVAZWxsZXJtYW4uaWQuYXUACgkQUevqPMjhpYBV LQ/+MyHQH7d/lhqRLWa3BVgy9mn2QfFTkRNMi46eqIWyk6wD5Qf//gzO+vTDzcEO rzkBu3XwhuhDCpCInLtJH17X8iKVy65Uk2JQ808pZTm0WnNTBv0ag251QARDg//B S1QmCQGJkpoUJ85+IDqQzV90K2o13BPWkAOrVh40G5GASvFGZRdxuTuo4DKeIe/j 0yri2LRuL+cpcfmZqaJVco8l2tqJEi6zJRhL/ORrLr4XSy0clxF1q1MYshNWPDsB 3l4r/yKz2aMltplknVVrpdMThUTD311kknIHoQuuEYvd6GxDz52d3B1lvE5Xb8EB sNJQX6q8ydab0u79/tTsXUm/EyfmMd6HMKOeVnQim19tnEe0wW6VkaPDNWWXa66U hW0qx7rX+zMSHzEcgLF7HKirzCQi2oS5ZMqXvhHlOPBb8Iy0O5za670AtvMGgm7/ NKXKML31opgXmTcU2ZxBMrtL0S8ft3wHCKRLkB6H8GHE+6//Ps87bQaUo4v2KsOr 2T/2w6TVtAwxLrASpCVonfcmIjjjIK4WILaOKp24Yzyv0eqen6Z3/kkga37sLgj8 f11HzTfFWO5ckroHrJSVCOC48eWb+O1CWRwS4rofL1jLfucpv6VFTPK6F4G47pAj pZyIJMTem0AEgsxVBJlsw6TibGH5W6rzDE/2WpEqxb7iZh0= =ajRr -----END PGP SIGNATURE----- Merge tag 'powerpc-4.16-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "One notable fix to properly advertise our support for a new firmware feature, caused by two series conflicting semantically but not textually. There's a new ioctl for the new ocxl driver, which is not a fix, but needed to complete the userspace API and good to have before the driver is in a released kernel. Finally three minor selftest fixes, and a fix for intermittent build failures for some obscure platforms, caused by a missing make dependency. Thanks to: Alastair D'Silva, Bharata B Rao, Guenter Roeck" * tag 'powerpc-4.16-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/pseries: Fix vector5 in ibm architecture vector table ocxl: Document the OCXL_IOCTL_GET_METADATA IOCTL ocxl: Add get_metadata IOCTL to share OCXL information to userspace selftests/powerpc: Skip the subpage_prot tests if the syscall is unavailable selftests/powerpc: Fix missing clean of pmu/lib.o powerpc/boot: Fix random libfdt related build errors selftests/powerpc: Skip tm-trap if transactional memory is not enabled |
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Ross Zwisler
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1d037577c3 |
loop: Fix lost writes caused by missing flag
The following commit: commit |
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Masahiro Yamada
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bd2746f09e |
clocksource/atmel-st: Add 'depends on HAS_IOMEM' to fix unmet dependency
The ATMEL_ST config selects MFD_SYSCON, but does not depend on HAS_IOMEM. Compile testing on architecture without HAS_IOMEM causes "unmet direct dependencies" in Kconfig phase. Detected by "make ARCH=score allyesconfig". Add the proper dependency to the ATMEL_ST config. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Arnd Bergmann <arnd@arndb.de> Link: https://lkml.kernel.org/r/1520335233-11277-1-git-send-email-yamada.masahiro@socionext.com |
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Boqun Feng
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6b0ef92fee |
rtmutex: Make rt_mutex_futex_unlock() safe for irq-off callsites
When running rcutorture with TREE03 config, CONFIG_PROVE_LOCKING=y, and kernel cmdline argument "rcutorture.gp_exp=1", lockdep reports a HARDIRQ-safe->HARDIRQ-unsafe deadlock: ================================ WARNING: inconsistent lock state 4.16.0-rc4+ #1 Not tainted -------------------------------- inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage. takes: __schedule+0xbe/0xaf0 {IN-HARDIRQ-W} state was registered at: _raw_spin_lock+0x2a/0x40 scheduler_tick+0x47/0xf0 ... other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&rq->lock); <Interrupt> lock(&rq->lock); *** DEADLOCK *** 1 lock held by rcu_torture_rea/724: rcu_torture_read_lock+0x0/0x70 stack backtrace: CPU: 2 PID: 724 Comm: rcu_torture_rea Not tainted 4.16.0-rc4+ #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.11.0-20171110_100015-anatol 04/01/2014 Call Trace: lock_acquire+0x90/0x200 ? __schedule+0xbe/0xaf0 _raw_spin_lock+0x2a/0x40 ? __schedule+0xbe/0xaf0 __schedule+0xbe/0xaf0 preempt_schedule_irq+0x2f/0x60 retint_kernel+0x1b/0x2d RIP: 0010:rcu_read_unlock_special+0x0/0x680 ? rcu_torture_read_unlock+0x60/0x60 __rcu_read_unlock+0x64/0x70 rcu_torture_read_unlock+0x17/0x60 rcu_torture_reader+0x275/0x450 ? rcutorture_booster_init+0x110/0x110 ? rcu_torture_stall+0x230/0x230 ? kthread+0x10e/0x130 kthread+0x10e/0x130 ? kthread_create_worker_on_cpu+0x70/0x70 ? call_usermodehelper_exec_async+0x11a/0x150 ret_from_fork+0x3a/0x50 This happens with the following even sequence: preempt_schedule_irq(); local_irq_enable(); __schedule(): local_irq_disable(); // irq off ... rcu_note_context_switch(): rcu_note_preempt_context_switch(): rcu_read_unlock_special(): local_irq_save(flags); ... raw_spin_unlock_irqrestore(...,flags); // irq remains off rt_mutex_futex_unlock(): raw_spin_lock_irq(); ... raw_spin_unlock_irq(); // accidentally set irq on <return to __schedule()> rq_lock(): raw_spin_lock(); // acquiring rq->lock with irq on which means rq->lock becomes a HARDIRQ-unsafe lock, which can cause deadlocks in scheduler code. This problem was introduced by commit |
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Francis Deslauriers
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c07a8f8b08 |
x86/kprobes: Fix kernel crash when probing .entry_trampoline code
Disable the kprobe probing of the entry trampoline: .entry_trampoline is a code area that is used to ensure page table isolation between userspace and kernelspace. At the beginning of the execution of the trampoline, we load the kernel's CR3 register. This has the effect of enabling the translation of the kernel virtual addresses to physical addresses. Before this happens most kernel addresses can not be translated because the running process' CR3 is still used. If a kprobe is placed on the trampoline code before that change of the CR3 register happens the kernel crashes because int3 handling pages are not accessible. To fix this, add the .entry_trampoline section to the kprobe blacklist to prohibit the probing of code before all the kernel pages are accessible. Signed-off-by: Francis Deslauriers <francis.deslauriers@efficios.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: mathieu.desnoyers@efficios.com Cc: mhiramat@kernel.org Link: http://lkml.kernel.org/r/1520565492-4637-2-git-send-email-francis.deslauriers@efficios.com Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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Song Liu
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bd903afeb5 |
perf/core: Fix ctx_event_type in ctx_resched()
In ctx_resched(), EVENT_FLEXIBLE should be sched_out when EVENT_PINNED is
added. However, ctx_resched() calculates ctx_event_type before checking
this condition. As a result, pinned events will NOT get higher priority
than flexible events.
The following shows this issue on an Intel CPU (where ref-cycles can
only use one hardware counter).
1. First start:
perf stat -C 0 -e ref-cycles -I 1000
2. Then, in the second console, run:
perf stat -C 0 -e ref-cycles:D -I 1000
The second perf uses pinned events, which is expected to have higher
priority. However, because it failed in ctx_resched(). It is never
run.
This patch fixes this by calculating ctx_event_type after re-evaluating
event_type.
Reported-by: Ephraim Park <ephiepark@fb.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: <jolsa@redhat.com>
Cc: <kernel-team@fb.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Fixes:
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Jens Axboe
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e576b7b528 |
Merge branch 'nvme-4.16-rc5' of git://git.infradead.org/nvme into for-linus
Pull NVMe fixes for this series from Keith: "A few late fixes for 4.16: * Reverting sysfs slave device links for native nvme multipathing. The hidden disk attributes broke common user tools. * A fix for a PPC pci error handling regression. * Update pci interrupt count to consider the actual IRQ spread, fixing potentially poor initial queue affinity. * Off-by-one errors in nvme-fc queue sizes * A fabrics discovery fix to be more tolerant with user tools." * 'nvme-4.16-rc5' of git://git.infradead.org/nvme: nvme_fc: rework sqsize handling nvme-fabrics: Ignore nr_io_queues option for discovery controllers Revert "nvme: create 'slaves' and 'holders' entries for hidden controllers" nvme: pci: pass max vectors as num_possible_cpus() to pci_alloc_irq_vectors nvme-pci: Fix EEH failure on ppc |
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Dave Airlie
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b0655d668f |
Merge branch 'drm-fixes-4.16' of git://people.freedesktop.org/~agd5f/linux into drm-fixes
Fixes for 4.16. A bit bigger than I would have liked, but most of that is DC fixes which Harry helped me pull together from the past few weeks. Highlights: - Fix DL DVI with DC - Various RV fixes for DC - Overlay fixes for DC - Fix HDMI2 handling on boards without HBR tables in the vbios - Fix crash with pass-through on SI on amdgpu - Fix RB harvesting on KV - Fix hibernation failures on UVD with certain cards * 'drm-fixes-4.16' of git://people.freedesktop.org/~agd5f/linux: (35 commits) drm/amd/display: validate plane format on primary plane drm/amdgpu:Always save uvd vcpu_bo in VM Mode drm/amdgpu:Correct max uvd handles drm/amd/display: early return if not in vga mode in disable_vga drm/amd/display: Fix takover from VGA mode drm/amd/display: Fix memleaks when atomic check fails. drm/amd/display: Return success when enabling interrupt drm/amd/display: Use crtc enable/disable_vblank hooks drm/amd/display: update infoframe after dig fe is turned on drm/amd/display: fix boot-up on vega10 drm/amd/display: fix cursor related Pstate hang drm/amd/display: Set irq state only on existing crtcs drm/amd/display: Fixed non-native modes not lighting up drm/amd/display: Call update_stream_signal directly from amdgpu_dm drm/amd/display: Make create_stream_for_sink more consistent drm/amd/display: Don't block dual-link DVI modes drm/amd/display: Don't allow dual-link DVI on all ASICs. drm/amd/display: Pass signal directly to enable_tmds_output drm/amd/display: Remove unnecessary fail labels in create_stream_for_sink drm/amd/display: Move MAX_TMDS_CLOCK define to header ... |
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Dave Airlie
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f5732e66a7 |
sun4i fixes on clk, division by zero and LVDS.
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Dave Airlie
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aa87d62f7e |
- 2 fixes: 1 for perf and 1 execlist submission race.
-----BEGIN PGP SIGNATURE----- iQEcBAABAgAGBQJaoA9cAAoJEPpiX2QO6xPKfI8H/1M+nPvIfaqZHpnBSvLhOZ95 py3qBQ72HvAlWaChH0FBAaUkWO7g38buMoUQrXn2d5dwU+RSoRC6AsEQE/ZqntN4 QMYMMqKx8Qnd4zkYcPx2mZD414uKHKYS7TvTK1HrslCexOteDjG7myQxURnrwM3u DvJJzr0FDo5zW6kgT2sA3VXv/Fvc2heExy5QodIoF4ajU/TcU7HqC4ZiMkaigZA6 j4oWrEdf0jukWTLsgzikVwn6j0+HUapKQfHi1/OMn4cf5mTtDTTHqQVE4qjyRhuh oXnVZYWjIn4QL8mK9Ql5yJvjrsQLvxWT24FErPloz9ustl+t9A+6Zx4vPiibOUk= =Wni1 -----END PGP SIGNATURE----- Merge tag 'drm-intel-fixes-2018-03-07' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes - 2 fixes: 1 for perf and 1 execlist submission race. * tag 'drm-intel-fixes-2018-03-07' of git://anongit.freedesktop.org/drm/drm-intel: drm/i915: Suspend submission tasklets around wedging drm/i915/perf: fix perf stream opening lock |
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Linus Torvalds
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e67548254b |
MIPS fixes for 4.16-rc5
A miscellaneous pile of MIPS fixes for 4.16:
- Move put_compat_sigset() to evade hardened usercopy warnings (4.16)
- Select ARCH_HAVE_PC_{SERIO,PARPORT} for Loongson64 platforms (4.16)
- Fix kzalloc() failure handling in ath25 (3.19) and Octeon (4.0)
- Fix disabling of IPIs during BMIPS suspend (3.19)
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Merge tag 'mips_fixes_4.16_4' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips
Pull MIPS fixes from James Hogan:
"A miscellaneous pile of MIPS fixes for 4.16:
- move put_compat_sigset() to evade hardened usercopy warnings (4.16)
- select ARCH_HAVE_PC_{SERIO,PARPORT} for Loongson64 platforms (4.16)
- fix kzalloc() failure handling in ath25 (3.19) and Octeon (4.0)
- fix disabling of IPIs during BMIPS suspend (3.19)"
* tag 'mips_fixes_4.16_4' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips:
MIPS: BMIPS: Do not mask IPIs during suspend
MIPS: Loongson64: Select ARCH_MIGHT_HAVE_PC_SERIO
MIPS: Loongson64: Select ARCH_MIGHT_HAVE_PC_PARPORT
signals: Move put_compat_sigset to compat.h to silence hardened usercopy
MIPS: OCTEON: irq: Check for null return on kzalloc allocation
MIPS: ath25: Check for kzalloc allocation failure
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Linus Torvalds
|
98577c6aa2 |
Revert a problematic patch that constified something imporperly.
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James Smart
|
d157e5343c |
nvme_fc: rework sqsize handling
Corrected four outstanding issues in the transport around sqsize. 1: Create Connection LS is sending the 1's-based sqsize, should be sending the 0's-based value. 2: allocation of hw queue is using the 0's-base size. It should be using the 1's-based value. 3: normalization of ctrl.sqsize by MQES is using MQES+1 (1's-based value). It should be MQES (0's-based value). 4: Missing clause to ensure queue_count not larger than ctrl->sqsize. Corrected by: Clean up routines that pass queue size around. The queue size value is the actual count (1's-based) value and determined from ctrl->sqsize + 1. Routines that send 0's-based value adapt from queue size. Sset ctrl->sqsize properly for MQES. Added clause to nsure queue_count not larger than ctrl->sqsize + 1. Signed-off-by: James Smart <james.smart@broadcom.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Keith Busch <keith.busch@intel.com> |
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Dennis Wassenberg
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099fd6ca0a |
ALSA: hda: add dock and led support for HP ProBook 640 G2
This patch adds missing initialisation for HP 2013 UltraSlim Dock Line-In/Out PINs and activates keyboard mute/micmute leds for HP ProBook 640 G2 Signed-off-by: Dennis Wassenberg <dennis.wassenberg@secunet.com> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> |