Commit Graph

902280 Commits

Author SHA1 Message Date
Chen-Tsung Hsieh
58322a1590 HID: google: add moonball USB id
Add 1 additional hammer-like device.

Signed-off-by: Chen-Tsung Hsieh <chentsung@chromium.org>
Reviewed-by: Nicolas Boichat <drinkcat@chromium.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2020-03-16 14:51:05 +01:00
Matt Roper
fe8b7085ca drm/i915: Handle all MCR ranges
The bspec documents multiple MCR ranges; make sure they're all captured
by the driver.

Bspec: 13991, 52079
Fixes: 592a7c5e08 ("drm/i915: Extend non readable mcr range")
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200311162300.1838847-2-matthew.d.roper@intel.com
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
(cherry picked from commit 415d126997)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2020-03-16 12:17:00 +02:00
Caz Yokoyama
c09f6b4d08 Revert "drm/i915/tgl: Add extra hdc flush workaround"
This reverts commit 36a6b5d964.

The commit takes care Wa_1604544889 which was fixed on a0 stepping based on
a0 replan. So no SW workaround is required on any stepping now.

Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Caz Yokoyama <caz.yokoyama@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Fixes: 36a6b5d964 ("drm/i915/tgl: Add extra hdc flush workaround")
Link: https://patchwork.freedesktop.org/patch/msgid/1c751032ce79c80c5485cae315f1a9904ce07cac.1583359940.git.caz.yokoyama@intel.com
(cherry picked from commit 175c4d9b3b)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2020-03-16 12:17:00 +02:00
Chris Wilson
9777d8b2d2 drm/i915/execlists: Track active elements during dequeue
Record the initial active element we use when building the next ELSP
submission, so that we can compare against it latter to see if there's
no change.

Fixes: 44d0a9c05b ("drm/i915/execlists: Skip redundant resubmission")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200311092624.10012-2-chris@chris-wilson.co.uk
(cherry picked from commit 60ef5b7ac6)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
2020-03-16 12:17:00 +02:00
Takashi Iwai
6c3171ef76 ALSA: seq: oss: Fix running status after receiving sysex
This is a similar bug like the previous case for virmidi: the invalid
running status is kept after receiving a sysex message.

Again the fix is to clear the running status after handling the sysex.

Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/3b4a4e0f232b7afbaf0a843f63d0e538e3029bfd.camel@domdv.de
Link: https://lore.kernel.org/r/20200316090506.23966-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-03-16 10:06:40 +01:00
Takashi Iwai
4384f167ce ALSA: seq: virmidi: Fix running status after receiving sysex
The virmidi driver handles sysex event exceptionally in a short-cut
snd_seq_dump_var_event() call, but this missed the reset of the
running status.  As a result, it may lead to an incomplete command
right after the sysex when an event with the same running status was
queued.

Fix it by clearing the running status properly via alling
snd_midi_event_reset_decode() for that code path.

Reported-by: Andreas Steinmetz <ast@domdv.de>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/3b4a4e0f232b7afbaf0a843f63d0e538e3029bfd.camel@domdv.de
Link: https://lore.kernel.org/r/20200316090506.23966-2-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2020-03-16 10:06:22 +01:00
Linus Torvalds
fb33c6510d Linux 5.6-rc6 2020-03-15 15:01:23 -07:00
Linus Torvalds
a42a7bb6f5 A single commit to handle an erratum in Cavium ThunderX to prevent access
to GIC registers which miss in the implementation.
 -----BEGIN PGP SIGNATURE-----
 
 iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAl5uP1gTHHRnbHhAbGlu
 dXRyb25peC5kZQAKCRCmGPVMDXSYoTOpD/9tPpEEosbmlQfAXe7bkBCzz3+Zrxcv
 XxgmVhhU1MhKImNCchi88wHT7Gibxr4JR3AaM2iIoXV2rRn5VTnUk9udm2rjQaLA
 ufXNm8zJQt9zia90GHc/R5JW+eeY7s+rBlExQLuBFHmV29ZnqlNOv0hAWOfz+gSM
 +q9JOSy21F+KW93T6lXgDWVT77b/vI+DdOQAF16Y/zwMT5sv1HK+2GbLjTmWCf/u
 vjEIm4ggJRwn2edhe0/Ex0M1Q2S3bgq5nVx3SfunOHu17BZWTupotqjVjQDPcey0
 JEfvN873FO499ILaacAozzVd/Ajhr617HE1KLGNuMyOzk4t1ZLmWXoqxju1NYRIC
 NpQaxEJVggz76NFdudLjSpd7gqSZho5TjnMFfCbiSPrrQ2rIQRLdcB4u4jwHDNlA
 AZLMhK5/xT0fWqAzoOvGCdO9Sj8axZ2/jNylXGEVMjw6tf96tL6Qz0V+WaA8LF1k
 7IpXy4cx+Sj/4LRNBiw2Xxb0BPe919lSJ7QNln7239NiiJs7OKGQAH0UrICzpJec
 6n8iBSkkr/DLoOjUFncIpuINsT5XN8odgkJT3xV9VYc1veg3yLIevZx8Z2RDOyAS
 I9Giq8rVE0PWPcDQfJscLbXjAL5xTa7H2rzOjiKIf4aGKdY1+bmaaonDkwOs6MfL
 SPAe5rvPhNvClA==
 =Z7sW
 -----END PGP SIGNATURE-----

Merge tag 'irq-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull irq fix from Thomas Gleixner:
 "A single commit to handle an erratum in Cavium ThunderX to prevent
  access to GIC registers which are broken in the implementation"

* tag 'irq-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/gic-v3: Workaround Cavium erratum 38539 when reading GICD_TYPER2
2020-03-15 13:15:16 -07:00
Linus Torvalds
34d5a4b336 Fix for yet another subtle futex issue. The futex code used ihold() to
prevent inodes from vanishing, but ihold() does not guarantee inode
 persistence. Replace the inode pointer with a per boot, machine wide,
 unique inode identifier. The second commit fixes the breakage of the hash
 mechanism whihc causes a 100% performance regression.
 -----BEGIN PGP SIGNATURE-----
 
 iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAl5uQJsTHHRnbHhAbGlu
 dXRyb25peC5kZQAKCRCmGPVMDXSYoYp4EAC5fr/AyRaIn/AEIZUmoyK6ELUaknfH
 Z788avxDB/t5GkzC9A2dMpybYi78tzLSAEfB8jYgwbrqExapVtiqvjGZ1RIi3HoN
 f/DWLnOb2s+yYQ3BQlHu4RdKONEzCqBwKFpElGRv3JzCY8Qeh5cQBzdqzvOEFmYw
 P7DJVtJRZ2dud7AzJ+xk6KuNIKCT2F7Djmtop6nq1EVw0J/2oYOVgQu76APBj7cj
 32srLmpP4xcQiJmWLC5ksXKiZrMPnyNfwXhHFufNvJ2Re6+Wf8mmglqG/5DmA+Ns
 Sq3L7D7yXwtWQZ8Po1qnWhPDZVXQbWzHyTn4YAMJAK7yoO7mut8jgECt+A8vf4L+
 hsc41c6THfdCQQ9gmxLL+c08nZGlmvIC4/1RsihNZ3kd2o4k6Ah9xFp8lBFcpjWd
 7tuhakNqJvUOvB34t2AYqzMFbZ/FJG+QNGyIW0bTUn4YIgRPxI/zsdMxqGVBZ4oN
 0iuy1kPLGbGAnLU9thkiVMmAyaPesuiB6f+mmzobEUgGI35GrCJi6a4YaTG1sqFn
 Gl8oPzcU2n+DWbVBfJrVFHJye7oi78kCw6wpNLBCJQp8NP8doAH0Sgspglg52E/p
 G4GGLz0vGauHBC5wQ3WYiGLImWbzC1dwKdcNE7dhuTgXbhz8ChVlOSU9Fu4+pGpq
 6URL6DVTLwDZPg==
 =e2iB
 -----END PGP SIGNATURE-----

Merge tag 'locking-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull futex fix from Thomas Gleixner:
 "Fix for yet another subtle futex issue.

  The futex code used ihold() to prevent inodes from vanishing, but
  ihold() does not guarantee inode persistence. Replace the inode
  pointer with a per boot, machine wide, unique inode identifier.

  The second commit fixes the breakage of the hash mechanism which
  causes a 100% performance regression"

* tag 'locking-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  futex: Unbreak futex hashing
  futex: Fix inode life-time issue
2020-03-15 12:55:52 -07:00
Linus Torvalds
ec181b7f30 Two fixes for x86:
- Map EFI runtime service data as encrypted when SEV is enabled otherwise
     e.g. SMBIOS data cannot be properly decoded by dmidecode.
 
   - Remove the warning in the vector management code which triggered when a
     managed interrupt affinity changed outside of a CPU hotplug
     operation. The warning was correct until the recent core code change
     that introduced a CPU isolation feature which needs to migrate managed
     interrupts away from online CPUs under certain conditions to achieve the
     isolation.
 -----BEGIN PGP SIGNATURE-----
 
 iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAl5uRi8THHRnbHhAbGlu
 dXRyb25peC5kZQAKCRCmGPVMDXSYoSH9EACToDM3iADmLZnP4dookJpPWvxazCio
 UclqaIUE7k2Wg/EPmE0oNTQCxqh42rTX6Ifo5WaiCJbxIFZKGMhe02BwmQffilaS
 dOlxuEEeLQq3S4Ai10Mq7wcp5uVHCE/+IhaphwFrdPn/w99O0SZf/bpZMveh6xgR
 Qw3vMLav9FXpWqvnDTw0Vcrcd9sEnZ/iaLrXVDFAnwZggrUqq26Ia4DqUlOaiHGC
 DHESmYFlHcFqfzd6BOJXbsJqedL56Qav0n7zsIqz6B34cLyc8QOqnSn2HxzncP22
 BLPVLvdLi7yqrWIoVgSefcAJq1wcE+Vl9V6mvjxMK4GieYZ91WdLKIbvqUPRZvhU
 viDzZ7NCsg6TmQBD6ilvYrMNB9ds+GNl/1dZ9c854zuvnTcnKqRq9CE6djnlqaLw
 AfHQQJ+kPjrnVyyPnyYBqrWgfsVJ3ueE8BEPtTfruL2CDQLrwiScwCNZ3qQmZ6Bx
 r00wbx+QtATHiZ97pwR1FJr1gyuZE6q3tY3gnb5ORIY19DfkwzRprKpE+Z++3N1H
 Z5Vc7A67CcQe6uCwyViJZuamNgBaXvFmbDDjt3d8N4KKnLK647WyW0XutabQppWa
 Jueq9XJX2V752y81i2Gf2+/U7xGOK0C4QajRMbqiizRBHKiG1JXpi9yCrdqNldEP
 ocz5HASe634nng==
 =KeLM
 -----END PGP SIGNATURE-----

Merge tag 'x86-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 fixes from Thomas Gleixner:
 "Two fixes for x86:

   - Map EFI runtime service data as encrypted when SEV is enabled.

     Otherwise e.g. SMBIOS data cannot be properly decoded by dmidecode.

   - Remove the warning in the vector management code which triggered
     when a managed interrupt affinity changed outside of a CPU hotplug
     operation.

     The warning was correct until the recent core code change that
     introduced a CPU isolation feature which needs to migrate managed
     interrupts away from online CPUs under certain conditions to
     achieve the isolation"

* tag 'x86-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/vector: Remove warning on managed interrupt migration
  x86/ioremap: Map EFI runtime services data as encrypted for SEV
2020-03-15 12:52:56 -07:00
Linus Torvalds
e99bc917fe A pile of perf fixes:
- AMD uncore driver:
 
     Replace the open coded sanity check with the core variant, which
     provides the correct error code and also leaves a hint in dmesg
 
   - tools:
 
     - Fix the stdio input handling with glibc versions >= 2.28
 
     - Unbreak the futex-wake benchmark which was reduced to 0 test threads
       due to the conversion to cpumaps
 
     - Initialize sigaction structs before invoking sys_sigactio()
 
     - Plug the mapfile memory leak in perf jevents
 
     - Fix off by one relative directory includes
 
     - Fix an undefined string comparison in perf diff
 -----BEGIN PGP SIGNATURE-----
 
 iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAl5uQuETHHRnbHhAbGlu
 dXRyb25peC5kZQAKCRCmGPVMDXSYoVeLEAC3lJ8jRzGfETQJFyS4C+vj1r+Jglvq
 Hi7Zd8hLDAd+F/aO2/DMgHkKLqpq+sj9qjnPv0Mu/eAS2AbOC3Q4Nz1vm0mxfmyB
 D6+/t3O2t01hyCJ70g8z7HgJclYyLc+JU72F37UcMCBJNHKFUx6ZrgMOPFRwebc6
 aUgyObX5YJ7h35Bl0kYLB0z4q1Znvus3YlFxrEOF78Xldx7zjTJOBsXoDdBjcWVP
 axtvhOnI3aR8E08a+1nbOmE79qSkscneXY7pg0FVDs9/Zq+38BEOVlzDC5aRG3Rm
 4fmty+NO3zOe663kNAGTJ/UQu1fIXGn+6rZ+5lH2pdtgkdeZN6zoVNQFVZrCarhC
 9Skrgz2dZ7DQe6/VwM7Z20oChh5V9q/207Rr2w/6+hmtQ/mnriWpXODZxPevc8kN
 KYHj3Lmo63MrSWIp4Qm4U6wMC9LOGZDUojPs0zbd3prhPoRGVlivTbkQ497Rht00
 BW8TCFhKhIqQJyE72KPI1zlmb0piihCHmMUi1XtuRi+3LpGFPQGXHBAxVrT9HJuF
 1zGr9VeiY8XtHWBdYoD176aOD8wO36mABHkDo2DY7AmkyI8OefGj5EFwtnr+e1aF
 F1LRYw+IGn4kMn35NZVNiJUisGzVWGIrWGVCGlTdoKgm3hhVyoRuPKCCzV2GVXd+
 3hjvmSY9aFmrMw==
 =uJcr
 -----END PGP SIGNATURE-----

Merge tag 'perf-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf fixes from Thomas Gleixner:
 "A pile of perf fixes:

  Kernel side:

   - AMD uncore driver: Replace the open coded sanity check with the
     core variant, which provides the correct error code and also leaves
     a hint in dmesg

  Tooling:

   - Fix the stdio input handling with glibc versions >= 2.28

   - Unbreak the futex-wake benchmark which was reduced to 0 test
     threads due to the conversion to cpumaps

   - Initialize sigaction structs before invoking sys_sigactio()

   - Plug the mapfile memory leak in perf jevents

   - Fix off by one relative directory includes

   - Fix an undefined string comparison in perf diff"

* tag 'perf-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/amd/uncore: Replace manual sampling check with CAP_NO_INTERRUPT flag
  tools: Fix off-by 1 relative directory includes
  perf jevents: Fix leak of mapfile memory
  perf bench: Clear struct sigaction before sigaction() syscall
  perf bench futex-wake: Restore thread count default to online CPU count
  perf top: Fix stdio interface input handling with glibc 2.28+
  perf diff: Fix undefined string comparision spotted by clang's -Wstring-compare
  perf symbols: Don't try to find a vmlinux file when looking for kernel modules
  perf bench: Share some global variables to fix build with gcc 10
  perf parse-events: Use asprintf() instead of strncpy() to read tracepoint files
  perf env: Do not return pointers to local variables
  perf tests bp_account: Make global variable static
2020-03-15 12:50:15 -07:00
Linus Torvalds
ffe6da91b0 A single fix adding the missing time namespace adjustment in sys/sysinfo
which caused sys/sysinfo to be inconsistent with /proc/uptime when read
 from a task inside a time namespace.
 -----BEGIN PGP SIGNATURE-----
 
 iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAl5uRM8THHRnbHhAbGlu
 dXRyb25peC5kZQAKCRCmGPVMDXSYodEtD/9G/4q0bnI9Oyghb1vSFK/cXTUq+gFZ
 oRpBbcs7GlN8Nj6I51hE7iWqPz+wvKuQQkuTvjewg+7yO+19IecD+SHxu2NQ7PCz
 W0PHRCqX32coPVeya9fxc5mdqtrG32uFaOfiL3UVGTwmkwfapfOOQgDPDFCf9vcu
 bBP8YpvQOkU/bqH5sXBCO3u34n9NK6dpQLjcnPSYF+recSUiJVa17F3LVHFcCuXH
 5Ck4lY2W+xARIBwapZzz5rey4U8SIMEaHANkSmS11jpg5WB3jUOX80z6zGus15sN
 haoaxYSDjUwwKUOPrqglL/Dq4DkCVYyPSzyYM3IRaTV/LpH1Fh/e6i6kIjpXtCth
 d19rcklU8o2TIFw2qCK9V2Z7j71BOF10EYnf0MWNmAF5q2v/D6isQfwDz6sbU4mU
 TLPCOiAgrGbWAS87ywBCdLjom4sejuL9tEf+O9i0YuqLp95BE2F4zjY/m19r5UNm
 vCX1XEbga68Gxi+Oy39hhEanSAo6MhK6PEGH8KabAdkC4/ioyE5PzsccQA2lWwQp
 cvpEMhGyDSzi7BcCw3uwp7DipBMpoIQu54OZ7cSoVeM9qNcj9dh4Y/Z0mF8v+Ibf
 RucI7P68iloPMw8vWJV8gOm1xl2B7iCKrIs4TVxqf3J+ZzprWmtUPCo75vKo2vlf
 l4lvX4dTRQB6Fw==
 =Is++
 -----END PGP SIGNATURE-----

Merge tag 'timers-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull timer fix from Thomas Gleixner:
 "A single fix adding the missing time namespace adjustment in
  sys/sysinfo which caused sys/sysinfo to be inconsistent with
  /proc/uptime when read from a task inside a time namespace"

* tag 'timers-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sys/sysinfo: Respect boottime inside time namespace
2020-03-15 12:48:21 -07:00
Linus Torvalds
52ac3777fc Two RAS related fixes:
- Shut down the per CPU thermal throttling poll work properly when a CPU
     goes offline. The missing shutdown caused the poll work to be migrated
     to a unbound worker which triggered warnings about the usage of
     smp_processor_id() in preemptible context
 
   - Fix the PPIN feature initialization which missed to enable the
     functionality when PPIN_CTL was enabled but the MSR locked against
     updates.
 -----BEGIN PGP SIGNATURE-----
 
 iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAl5uRHUTHHRnbHhAbGlu
 dXRyb25peC5kZQAKCRCmGPVMDXSYoVVGD/0WEjZoB8yhwez6u0YNFhUkjfP8JFC1
 mGdWMoevyH3Tb+DQNX3cW95t2O7IxP0N6OUNnYYQ9Tlqwt6r0ptJpNnXO7CV2+Jh
 5lxpw/Uv2kQv69BNDK9qPDhiIBPzZQCg/utDTVdIyG0y+XU0q/IZqXh+XedAJsVr
 P3U7KC//NwTYnlpPWjDsG26GHSguV4kj+Lwi88nfh1DJ7eawb8AF4k965pLmOoF9
 g13EFxv2FW1/uq+QJq5ophQIH/pPI/T67rhIyLWxFsCByBzVKjm4BBgXH4gb+QIn
 OofVQcaWCpZCOq2ZTNfHWdPvJK2ziig9w+twbArb7Cb9aOgp3Oe1zbp2VD4nKu4+
 0G5E2Vdv6qRrEIk5LUTqlyOIogd5xPSufaCGF/HC/qXqBxqwWD0tUvjtYyRwwy+Y
 u90bo90zlMjUoDirgtZrjYe0bXuy3xJ+FxZ5OxovGRxLn4qqBqEJGrXYvB0LIlpd
 3x+YeHB4T2pwC6Ya5Odi6RKhwMKpro24dDMJ9jIR1u/NwIgJ2elSO9bsw6SZ823e
 /Mwns7CC/7xtjOCJXPlyj4Uw0TzwTbp1W9Kb0OqJo6q+ntvxbAhoMf32FDxg0OKC
 h4trc3FZt+e2a0l8R8e3nNeAvnS0fM1P4vtg18EcX8SqlSoALJkS3XUO4WeCFLBh
 F9jOt/LSf+4okQ==
 =9W7B
 -----END PGP SIGNATURE-----

Merge tag 'ras-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull RAS fixes from Thomas Gleixner:
 "Two RAS related fixes:

   - Shut down the per CPU thermal throttling poll work properly when a
     CPU goes offline.

     The missing shutdown caused the poll work to be migrated to a
     unbound worker which triggered warnings about the usage of
     smp_processor_id() in preemptible context

   - Fix the PPIN feature initialization which missed to enable the
     functionality when PPIN_CTL was enabled but the MSR locked against
     updates"

* tag 'ras-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mce: Fix logic and comments around MSR_PPIN_CTL
  x86/mce/therm_throt: Undo thermal polling properly on CPU offline
2020-03-15 12:44:23 -07:00
Linus Torvalds
b67775e124 Two EFI fixes:
- Prevent a race and buffer overflow in the sysfs efivars interface which
    causes kernel memory corruption.
 
  - Add the missing NULL pointer checks in efivar_store_raw()
 -----BEGIN PGP SIGNATURE-----
 
 iQJHBAABCgAxFiEEQp8+kY+LLUocC4bMphj1TA10mKEFAl5uPtwTHHRnbHhAbGlu
 dXRyb25peC5kZQAKCRCmGPVMDXSYoU7CEAC7TN816o0o2EUokeThTnzEN1YljTNd
 zxL9Kin+a8PnVGM2KsJJNGN3vVErdzIqPrpiNRvVvV5PVBmXVkJiMQAFqBeP5Lu1
 h+69W5pGPVPun3EUnIKvTgrBkHU5F2GsDrUjaERZdP/ukeIpYf1oAmY7yMMRNSiI
 0ApjU5uhcuuLJHKUQ9xEz/QLNunbDW7j8tJy0jEsFKYixTsH2Gp4hiWWKONbPqhe
 K3Gs81NErIMz6iVsQmGEMKOqWo2TLtR3tIykGtj89fohauDwNvlmCOyV1l+ILdZd
 +SQhnM/yEimLfjV/QVyu/OxFFk9mK7iLQx7ADAtssMyz0z3vs9OyJqwicwjectl/
 70Ye9u+M4YzkgXYiUNJlXeRorhpZd6mpcj4lo5FrE42ydgd6Gmc2wNLT5P8bwO6T
 bMWPCdl/+9v3NofCFr1JCTHHtW6qgdEF1ehkW/P8NkxEQKvtMp5IV3M2DnR1TAxh
 oflf+nnA//daxc6RKzn5k0bMbQreXnBpQCjFIi9heenyDu14VO6Vok2EmqR6aZMF
 6pIqdOqv+m/xxJGFWLjYiZO5zMNcrEsd0ypNXmXXxDauDb/JZlkE88SfiUJaOpFd
 hmh7nYRjCXkO3/JHSugIyN4xnYuUgAgIJGnloRfATppfd+rkB/u5mf29jl54edRK
 +lhkYCvWP+cACQ==
 =BzA6
 -----END PGP SIGNATURE-----

Merge tag 'efi-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull EFI fixes from Thomas Gleixner:
 "Two EFI fixes:

   - Prevent a race and buffer overflow in the sysfs efivars interface
     which causes kernel memory corruption.

   - Add the missing NULL pointer checks in efivar_store_raw()"

* tag 'efi-urgent-2020-03-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  efi: Add a sanity check to efivar_store_raw()
  efi: Fix a race and a buffer overflow while reading efivars via sysfs
2020-03-15 12:42:03 -07:00
Linus Torvalds
de28a65cd0 IOMMU Fixes for Linux v5.6-rc5
Including:
 
 	- Mostly Intel VT-d fixes:
 	   - RCU list handling fixes
 	   - Replace WARN_TAINT with pr_warn + add_taint for reporting
 	     firmware issues
 	   - DebugFS fixes
 	   - Fix for hugepage handling in iova_to_phys implementation
 	   - Fix for handling VMD devices, which have a domain number
 	     which doesn't fit into 16 bits
 	   - Warning message fix
 	- MSI allocation fix for iommu-dma code
 	- Sign-extension fix for io page-table code
 	- Fix for AMD-Vi to properly update the is-running bit when
 	  AVIC is used
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEEr9jSbILcajRFYWYyK/BELZcBGuMFAl5t8ZcACgkQK/BELZcB
 GuPHzhAAjVoojKibjI7KMn9mCrfZOOxTcHPTYvpUgo2Wmzawi8CvafRoUM0nK+mH
 Ha99W7LRNdOSJKjTe83eZwLkCzAaSTKvjNi92/xc9Egr4WnTykUrMNJcsVFETdxX
 GXxvknKJA30Wr82UZQn6S9t3RbWqj0LdAugAFSb4BlGUEDvIrgAJ5vr6eTeGNjog
 K4nHBejeVuHzm2gmHQn+StSE1VSAm/QwMPeVCxtfkUrk0waoRvijPUxscBkL6AzA
 jQrr4jyas3Mp8vndKFjtb1yNZK+fLV3qH51QUAqE7qOlLSQKnzuOCodMPpVtF/S3
 gOIh02nJhN2dJBJjnUTvlDbDx1o6SLON/dhNAHWtdnEb2w3gmJ+vDDIzO7fpjMvE
 sz5VMe/WRjuAeY+U5LHEGRBo1UlAU4XTb0wiSBEKH/7ep853ofwVpv6GR+JIz2s4
 88bDAsrMcVRwWpeyYpu6azCGC+7JSOKkf6EJYqg7DIZI5Zv/g5DyAHlQ2LqTYZY+
 BWrB82mbIkYiwbludIQ3i4mIkn+IkSU9N1spwCCAQsAdkZCQ6nW9Jds8mB7KiAtL
 LQVjMCIpWepnbs9rvgQThMXhorDnmhU2KvCK/oA0q6jmgDe1YQ4Erwg+9IBus48U
 jNJ7MhCyVtn3qFXlERDIKjjJCtF48/VKREz1G7h7ZrxHZC02IKY=
 =iwpe
 -----END PGP SIGNATURE-----

Merge tag 'iommu-fixes-v5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU fixes from Joerg Roedel:

 - Intel VT-d fixes:
    - RCU list handling fixes
    - Replace WARN_TAINT with pr_warn + add_taint for reporting firmware
      issues
    - DebugFS fixes
    - Fix for hugepage handling in iova_to_phys implementation
    - Fix for handling VMD devices, which have a domain number which
      doesn't fit into 16 bits
    - Warning message fix

 - MSI allocation fix for iommu-dma code

 - Sign-extension fix for io page-table code

 - Fix for AMD-Vi to properly update the is-running bit when AVIC is
   used

* tag 'iommu-fixes-v5.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/vt-d: Populate debugfs if IOMMUs are detected
  iommu/amd: Fix IOMMU AVIC not properly update the is_run bit in IRTE
  iommu/vt-d: Ignore devices with out-of-spec domain number
  iommu/vt-d: Fix the wrong printing in RHSA parsing
  iommu/vt-d: Fix debugfs register reads
  iommu/vt-d: quirk_ioat_snb_local_iommu: replace WARN_TAINT with pr_warn + add_taint
  iommu/vt-d: dmar_parse_one_rmrr: replace WARN_TAINT with pr_warn + add_taint
  iommu/vt-d: dmar: replace WARN_TAINT with pr_warn + add_taint
  iommu/vt-d: Silence RCU-list debugging warnings
  iommu/vt-d: Fix RCU-list bugs in intel_iommu_init()
  iommu/dma: Fix MSI reservation allocation
  iommu/io-pgtable-arm: Fix IOVA validation for 32-bit
  iommu/vt-d: Fix a bug in intel_iommu_iova_to_phys() for huge page
  iommu/vt-d: Fix RCU list debugging warnings
2020-03-15 12:37:10 -07:00
Thomas Gleixner
92c227554c irqchip fixes for 5.6, take #2
- Add workaround for Cavium/Marvell ThunderX unimplemented GIC registers
 -----BEGIN PGP SIGNATURE-----
 
 iQJDBAABCgAtFiEEn9UcU+C1Yxj9lZw9I9DQutE9ekMFAl5sr4YPHG1hekBrZXJu
 ZWwub3JnAAoJECPQ0LrRPXpD3YsP/RU5Sm/dfdz/+MxcyKQVuupTZrmASoV38Ssw
 UI66lAWyIj2UVcHwPE7bCmgQusBARerEP/R/vge+7Qvh7J6WbTi6twkra//hZThg
 a/lf18+HgD2dCjmPKdbA01jqH7TLWbBl04OtXSqdNkRBFn6hQkpyTZ8Ha/hvGxez
 OfxUIbEEJ++HGnUAM1QhVTFynluTVZeWn17WbSFLqB5IPnpPhnc/oMzi83hG8pOF
 ToX578HrmrcrdiznVusYDJjdwDCfwnd3hKymFyOklBbFFLmocxs0ZKaPy/h+H4dD
 +c3DICWESmwTC7vjmbVdeVZSeAqzN7qXV9XDvEkrZltv07bz+fcE7rxz+qwhdw1v
 Y8A91QhMWDD1uSz++VnOMZ9R7sL0beLWcklS1TfhMEbRYYJRBssZF5OLFRrqRbu3
 gHHUCBCZ8QL5WCM1ci+ujuku07tuuNbvNdAqmxw0Pu1SuyCdmNGbsOolth5OGHsz
 GxpbjU9y5bxcFf6gQdImN3EhbeZ8ZUMk3RGOfW4zAHJhlGrT1KriBCS6LLRzVrcE
 sbEKovtbShmbG8NDEt/Q5/PKRkGVJR2ePONw9/EsZRVA2I1TgMmx4LHn43DDCfcL
 dKEWnloTf5kYrcWDb5ErdbQrUa5387i+8UPfe5jcc6gtw8sDBeG7pyZJdrYURyho
 NIqxpJ7e
 =vneR
 -----END PGP SIGNATURE-----

Merge tag 'irqchip-fixes-5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent

Pull irqchip fixes from Marc Zyngier:

- Add workaround for Cavium/Marvell ThunderX unimplemented GIC registers
2020-03-15 10:53:11 +01:00
Linus Torvalds
d3dca69085 Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
 "I2C has quite some regression fixes this time.

  One is also related to watchdogs, we have proper acks from Guenter for
  them"

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: acpi: put device when verifying client fails
  misc: eeprom: at24: fix regulator underflow
  i2c: gpio: suppress error on probe defer
  macintosh: windfarm: fix MODINFO regression
  i2c: designware-pci: Fix BUG_ON during device removal
  i2c: i801: Do not add ICH_RES_IO_SMI for the iTCO_wdt device
  watchdog: iTCO_wdt: Make ICH_RES_IO_SMI optional
  watchdog: iTCO_wdt: Export vendorsupport
2020-03-14 15:53:48 -07:00
Linus Torvalds
3086ae0716 ARC fixes for 5.6-rc6
- Fix __ALIGN_STR and __ALIGN to not junk padding
 
  - Miscll Kconfig cleanups, header updates
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEOXpuCuR6hedrdLCJadfx3eKKwl4FAl5sR6QACgkQadfx3eKK
 wl7+rA/8DdfoFbHNEdJM12RFwSiVBGroP5Y2f27CWS9u+VGQ5kJJC8ZWTXPByfUx
 +mFOgCiIBDQlvrBoDNAO6sg1zVKVcdySN+C5f9AMoAHRzM119jWSMneo9m9Re2p4
 DWnkNPwBqh4uymE2v2mjWBbqltwkxcPgkpMjAXYQXXIIbvUoOF+NmRjXsa3iZciR
 SVkrC4tOojhqg5KIkmA9aqH1aORs0yQHawPXDO1QZik4dfu8Q6ENeis+tyk87abP
 DLWI1LyoC97xQm7lepgKYEl71sVCJRbUgtomsDI9XTV6V3mOp6IekbgWnb2vw5N+
 ueLaJ2gcaElX4Ut7PkXljN176GkhkCFMUckgzldexeAupfofrW43NgNLcJ9IxYrG
 lBOBSa7Tqhx6V5l2+XgLJM3mO4Ushnf0l+aYs8V8Zz5T3Fo6PHZfUqBpSbpixzBV
 YF3gBIbldPHZ+fNf8kgTA9j4vYkmAryPazqzMXeKP8xgQ9LNYbUrzaQiHZQlsveV
 82kxUV4GnElDE3JTZzDm5hEoQqS5EbVi0ZYzjR96g1GmKhJL8KgQkYB/TmMmyFhh
 v3BDNDGDoM9efStcO7w6Y185P6oJSStjzqGG+OgWe35nWwLe5t5ij4Pf/6KBSSb+
 DoIjz5LWX74LFoL2o1DR7CpaFH4HferNfi9TVQytqx0EepY7lgo=
 =I8j2
 -----END PGP SIGNATURE-----

Merge tag 'arc-5.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc

Pull ARC fixes from Vineet Gupta:

 - Fix __ALIGN_STR and __ALIGN to not use default junk padding

 - Misc Kconfig cleanups, header updates

* tag 'arc-5.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
  ARC: define __ALIGN_STR and __ALIGN symbols for ARC
  ARC: show_regs: reduce lines of output
  ARC: Replace <linux/clk-provider.h> by <linux/of_clk.h>
  ARC: fpu: fix randconfig build error reported by 0-day test service
  ARC: fix some Kconfig typos
  ARC: Cleanup old Kconfig IO scheduler options
2020-03-14 15:49:09 -07:00
Linus Torvalds
6693075e0f Bugfixes, x86+s390.
-----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
 iQEcBAABAgAGBQJebMXnAAoJEL/70l94x66D3fYIAJ1r+o2qgzadwEqoXTvlihjB
 ujX1jOs20EJJ56VhTtXF/wZQc+7VeKCjpIqNv4WaeSYPUhzFGyL9t5tw1YdRDCwY
 u6gklxruIzZodgp+vCoTkPyyUylVmY50sY/yBIJ4F8qOaMxhTEE1aXzGuaOrYqVO
 MmIlAltEKQzdXPO1SVPD7triGPgUTj+DRxrlyRrGt2ItiMUincCz9K6TDyXFib0r
 SSCVFNYtYmzu/bV/E4/Sphi2BxCQEem5DIFWLcngzN8Wy5oCoRVzPGugT4Q9eXWt
 ZtWIDh473JGiXBLYmDq4REJsRSca+7s/YiiLSiQwYfByhIPJpVEoy54fcdaZflo=
 =T4AD
 -----END PGP SIGNATURE-----

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "Bugfixes for x86 and s390"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: nVMX: avoid NULL pointer dereference with incorrect EVMCS GPAs
  KVM: x86: Initializing all kvm_lapic_irq fields in ioapic_write_indirect
  KVM: VMX: Condition ENCLS-exiting enabling on CPU support for SGX1
  KVM: s390: Also reset registers in sync regs for initial cpu reset
  KVM: fix Kconfig menu text for -Werror
  KVM: x86: remove stale comment from struct x86_emulate_ctxt
  KVM: x86: clear stale x86_emulate_ctxt->intercept value
  KVM: SVM: Fix the svm vmexit code for WRMSR
  KVM: X86: Fix dereference null cpufreq policy
2020-03-14 15:45:26 -07:00
Megha Dey
1da8347d85 iommu/vt-d: Populate debugfs if IOMMUs are detected
Currently, the intel iommu debugfs directory(/sys/kernel/debug/iommu/intel)
gets populated only when DMA remapping is enabled (dmar_disabled = 0)
irrespective of whether interrupt remapping is enabled or not.

Instead, populate the intel iommu debugfs directory if any IOMMUs are
detected.

Cc: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: ee2636b867 ("iommu/vt-d: Enable base Intel IOMMU debugfs support")
Signed-off-by: Megha Dey <megha.dey@linux.intel.com>
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2020-03-14 20:02:43 +01:00
Linus Torvalds
69a4d0baee A small collection of fixes. I'll make another sweep soon to look for
more fixes for this -rc series.
 
  - Mark device node const in of_clk_get_parent APIs to ease landing
    changes in users later
  - Fix flag for Qualcomm SC7180 video clocks where we thought it would
    never turn off but actually hardware takes care of it
  - Remove disp_cc_mdss_rscc_ahb_clk on Qualcomm SC7180 SoCs because this
    clk is always on anyway
  - Correct some bad dt-binding numbers for i.MX8MN SoCs
 -----BEGIN PGP SIGNATURE-----
 
 iQJFBAABCAAvFiEE9L57QeeUxqYDyoaDrQKIl8bklSUFAl5sMV0RHHNib3lkQGtl
 cm5lbC5vcmcACgkQrQKIl8bklSXzBhAAh4bih0khHYOh7FWJVuIuoUqJrikiSc4L
 rxD1oi3ZyUyauvFl0QOcxe6YB8qwjA6G14FWjluj6LzhXGCnl2I58j0eWV/eFiCD
 3GXMhbUkEHjOLa1BC52LgJ7/eifQHECCFJkzi7HXhUDaUDpC4zP+ysBBde5A1ECX
 IYCXmUlv0TkxRe6pEgtylrU+XFC9IPuq8FOHHYEcDKi8XwLhw8PS2klBkE2hsHH6
 i/ZFIx+2VFFcCtPfvOtOl1L26pHrvehorjp9JaajyKInDpfLYAZPoxCY4k7agxix
 uGQq8B+2Wl9W5yT4vGhuujSV2IVZHlC56VjBbwEUTGwCIKJqiexTqaL8Ls083nY+
 te/wi21pFBr1oH77ZlP6gbUlHGaH2wONJVim8DbLrZ5t7fcGf0pMWkofBgEyj2rh
 WX8Kbhjp/GN4Q3qUMQbF1Gej3RMg9e6/LirlaFkvi0clrXFOzlM1tCuDdrfgA5i6
 NnTL1MDFPu57Vc5Srkk7+/jabMSFCX1fxX3GP/y7ZS3Fnxxb6ZY6iMpUdP+XnJyz
 G0PKPFRg26k5YC2wy5V8hBpvt/9IXkv1FTnDa6FLSbuMAFVdL3mb+FDxlVZBZAGJ
 KL0HMGfhOieZDB0K+6KNQndbcJzWCPZYcChqZaLaM8/ZFFFMWZ8Sh6B5BR4Keal7
 wUYounnQlic=
 =m90j
 -----END PGP SIGNATURE-----

Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

Pull clk fixes from Stephen Boyd:
 "A small collection of fixes. I'll make another sweep soon to look for
  more fixes for this -rc series.

   - Mark device node const in of_clk_get_parent APIs to ease landing
     changes in users later

   - Fix flag for Qualcomm SC7180 video clocks where we thought it would
     never turn off but actually hardware takes care of it

   - Remove disp_cc_mdss_rscc_ahb_clk on Qualcomm SC7180 SoCs because
     this clk is always on anyway

   - Correct some bad dt-binding numbers for i.MX8MN SoCs"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: imx8mn: Fix incorrect clock defines
  clk: qcom: dispcc: Remove support of disp_cc_mdss_rscc_ahb_clk
  clk: qcom: videocc: Update the clock flag for video_cc_vcodec0_core_clk
  of: clk: Make of_clk_get_parent_{count,name}() parameter const
2020-03-14 08:59:35 -07:00
Paolo Bonzini
018cabb694 Merge branch 'kvm-null-pointer-fix' into kvm-master 2020-03-14 12:49:37 +01:00
Vitaly Kuznetsov
95fa10103d KVM: nVMX: avoid NULL pointer dereference with incorrect EVMCS GPAs
When an EVMCS enabled L1 guest on KVM will tries doing enlightened VMEnter
with EVMCS GPA = 0 the host crashes because the

evmcs_gpa != vmx->nested.hv_evmcs_vmptr

condition in nested_vmx_handle_enlightened_vmptrld() will evaluate to
false (as nested.hv_evmcs_vmptr is zeroed after init). The crash will
happen on vmx->nested.hv_evmcs pointer dereference.

Another problematic EVMCS ptr value is '-1' but it only causes host crash
after nested_release_evmcs() invocation. The problem is exactly the same as
with '0', we mistakenly think that the EVMCS pointer hasn't changed and
thus nested.hv_evmcs_vmptr is valid.

Resolve the issue by adding an additional !vmx->nested.hv_evmcs
check to nested_vmx_handle_enlightened_vmptrld(), this way we will
always be trying kvm_vcpu_map() when nested.hv_evmcs is NULL
and this is supposed to catch all invalid EVMCS GPAs.

Also, initialize hv_evmcs_vmptr to '0' in nested_release_evmcs()
to be consistent with initialization where we don't currently
set hv_evmcs_vmptr to '-1'.

Cc: stable@vger.kernel.org
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-03-14 12:49:27 +01:00
Paolo Bonzini
997224fe66 KVM: s390: Fully do the CPU resets as intended
With 7de3f1423f ("KVM: s390: Add new reset vcpu API") we clarified
 the meaning of the reset ioctl to fully reset the CPU and not only the
 parts that can not be handled by userspace. Turns out that we missed
 some parts.
 -----BEGIN PGP SIGNATURE-----
 Version: GnuPG v2.0.22 (GNU/Linux)
 
 iQIcBAABAgAGBQJeakS4AAoJEBF7vIC1phx8CrUP/R2tybl1+fUG7Jm6VRvu6idU
 CxU34zV+goFbeznyln9WdQtW4D+IkbIH1wvHNMDFqZvktA8St3wzNkZ6W5uCebJg
 cmAQiOoz4VADh0EM1sSC4/45PfjADh3xHZxA+5X76bh7ji9kp7lkqUwXiclysge5
 rurB2r1PFZoaMv1sQbAUIlyb8BTfe4zK8w0+zEjIeN1Mh+mjs1wAhyo1qOmvS24J
 lrv3vrAdJDp1OVebCfrKF6NzgLrQBSK8ETRFAoRPSZPCkSMF7dCUfgvRWUw7zs5A
 wyDHqtMUU5MQ0AKjd4cXH6Un4vzfYSQtoGQJAe3UdnnWNOpxP5/wOLt1xQFb6nun
 K2wDLx9hxu6f4vT9zntMBZ2zCsBGfWTtwa+DRN58HI4cSFowo8PB7jMuauHBeJ7B
 teNwAnDsjhOLH2fRFuh7eM0f5tOJNACvVxS6fXAChu4fXM1rtG1WDnn5V3y5tYbw
 UBe7NV657vEKFzp63C3vB7EK/hkCo8cc/c9JKi1kMoR9q3bUfMSN+kRh2WLkxni6
 Ux4AuAuXGMw/PBrqtt43C4GFrUkyaTIEtl8KHDHWfRcxV0rKlIp2ebJKRLG8QlVY
 hTJPCv8DDY1FoyTnOPZWYNdDUY3EWdo/R0LQ2L9ywDxbtR30Z6mcqH7FhlKvPKRj
 C4/RRmpBco4vnizfD62r
 =bmtm
 -----END PGP SIGNATURE-----

Merge tag 'kvm-s390-master-5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into kvm-master

KVM: s390: Fully do the CPU resets as intended

With 7de3f1423f ("KVM: s390: Add new reset vcpu API") we clarified
the meaning of the reset ioctl to fully reset the CPU and not only the
parts that can not be handled by userspace. Turns out that we missed
some parts.
2020-03-14 11:59:08 +01:00
Marc Zyngier
d01fd161e8 irqchip/gic-v3: Workaround Cavium erratum 38539 when reading GICD_TYPER2
Despite the architecture spec requiring that reserved registers in the GIC
distributor memory map are RES0 (and thus are not allowed to generate
an exception), the Cavium ThunderX (aka TX1) SoC explodes as such:

[    0.000000] GICv3: GIC: Using split EOI/Deactivate mode
[    0.000000] GICv3: 128 SPIs implemented
[    0.000000] GICv3: 0 Extended SPIs implemented
[    0.000000] Internal error: synchronous external abort: 96000210 [#1] SMP
[    0.000000] Modules linked in:
[    0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-rc4-00035-g3cf6a3d5725f #7956
[    0.000000] Hardware name: cavium,thunder-88xx (DT)
[    0.000000] pstate: 60000085 (nZCv daIf -PAN -UAO)
[    0.000000] pc : __raw_readl+0x0/0x8
[    0.000000] lr : gic_init_bases+0x110/0x560
[    0.000000] sp : ffff800011243d90
[    0.000000] x29: ffff800011243d90 x28: 0000000000000000
[    0.000000] x27: 0000000000000018 x26: 0000000000000002
[    0.000000] x25: ffff8000116f0000 x24: ffff000fbe6a2c80
[    0.000000] x23: 0000000000000000 x22: ffff010fdc322b68
[    0.000000] x21: ffff800010a7a208 x20: 00000000009b0404
[    0.000000] x19: ffff80001124dad0 x18: 0000000000000010
[    0.000000] x17: 000000004d8d492b x16: 00000000f67eb9af
[    0.000000] x15: ffffffffffffffff x14: ffff800011249908
[    0.000000] x13: ffff800091243ae7 x12: ffff800011243af4
[    0.000000] x11: ffff80001126e000 x10: ffff800011243a70
[    0.000000] x9 : 00000000ffffffd0 x8 : ffff80001069c828
[    0.000000] x7 : 0000000000000059 x6 : ffff8000113fb4d1
[    0.000000] x5 : 0000000000000001 x4 : 0000000000000000
[    0.000000] x3 : 0000000000000000 x2 : 0000000000000000
[    0.000000] x1 : 0000000000000000 x0 : ffff8000116f000c
[    0.000000] Call trace:
[    0.000000]  __raw_readl+0x0/0x8
[    0.000000]  gic_of_init+0x188/0x224
[    0.000000]  of_irq_init+0x200/0x3cc
[    0.000000]  irqchip_init+0x1c/0x40
[    0.000000]  init_IRQ+0x160/0x1d0
[    0.000000]  start_kernel+0x2ec/0x4b8
[    0.000000] Code: a8c47bfd d65f03c0 d538d080 d65f03c0 (b9400000)

when reading the GICv4.1 GICD_TYPER2 register, which is unexpected...

Work around it by adding a new quirk for the following variants:

 ThunderX: CN88xx
 OCTEON TX: CN83xx, CN81xx
 OCTEON TX2: CN93xx, CN96xx, CN98xx, CNF95xx*

and use this flag to avoid accessing GICD_TYPER2. Note that all
reserved registers (including redistributors and ITS) are impacted
by this erratum, but that only GICD_TYPER2 has to be worked around
so far.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Tested-by: Robert Richter <rrichter@marvell.com>
Tested-by: Mark Salter <msalter@redhat.com>
Tested-by: Tim Harvey <tharvey@gateworks.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Robert Richter <rrichter@marvell.com>
Link: https://lore.kernel.org/r/20191027144234.8395-11-maz@kernel.org
Link: https://lore.kernel.org/r/20200311115649.26060-1-maz@kernel.org
2020-03-14 10:15:19 +00:00
Nitesh Narayan Lal
0c22056f8c KVM: x86: Initializing all kvm_lapic_irq fields in ioapic_write_indirect
Previously all fields of structure kvm_lapic_irq were not initialized
before it was passed to kvm_bitmap_or_dest_vcpus(). Which will cause
an issue when any of those fields are used for processing a request.
For example not initializing the msi_redir_hint field before passing
to the kvm_bitmap_or_dest_vcpus(), may lead to a misbehavior of
kvm_apic_map_get_dest_lapic(). This will specifically happen when the
kvm_lowest_prio_delivery() returns TRUE due to a non-zero garbage
value of msi_redir_hint, which should not happen as the request belongs
to APIC fixed delivery mode and we do not want to deliver the
interrupt only to the lowest priority candidate.

This patch initializes all the fields of kvm_lapic_irq based on the
values of ioapic redirect_entry object before passing it on to
kvm_bitmap_or_dest_vcpus().

Fixes: 7ee30bc132 ("KVM: x86: deliver KVM IOAPIC scan request to target vCPUs")
Signed-off-by: Nitesh Narayan Lal <nitesh@redhat.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
[Set level to false since the value doesn't really matter. Suggested
 by Vitaly Kuznetsov. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-03-14 10:46:01 +01:00
Sean Christopherson
7a57c09bb1 KVM: VMX: Condition ENCLS-exiting enabling on CPU support for SGX1
Enable ENCLS-exiting (and thus set vmcs.ENCLS_EXITING_BITMAP) only if
the CPU supports SGX1.  Per Intel's SDM, all ENCLS leafs #UD if SGX1
is not supported[*], i.e. intercepting ENCLS to inject a #UD is
unnecessary.

Avoiding ENCLS-exiting even when it is reported as supported by the CPU
works around a reported issue where SGX is "hard" disabled after an S3
suspend/resume cycle, i.e. CPUID.0x7.SGX=0 and the VMCS field/control
are enumerated as unsupported.  While the root cause of the S3 issue is
unknown, it's definitely _not_ a KVM (or kernel) bug, i.e. this is a
workaround for what is most likely a hardware or firmware issue.  As a
bonus side effect, KVM saves a VMWRITE when first preparing vmcs01 and
vmcs02.

Note, SGX must be disabled in BIOS to take advantage of this workaround

[*] The additional ENCLS CPUID check on SGX1 exists so that SGX can be
    globally "soft" disabled post-reset, e.g. if #MC bits in MCi_CTL are
    cleared.  Soft disabled meaning disabling SGX without clearing the
    primary CPUID bit (in leaf 0x7) and without poking into non-SGX
    CPU paths, e.g. for the VMCS controls.

Fixes: 0b665d3040 ("KVM: vmx: Inject #UD for SGX ENCLS instruction in guest")
Reported-by: Toni Spets <toni.spets@iki.fi>
Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-03-14 10:34:51 +01:00
Suravee Suthikulpanit
730ad0ede1 iommu/amd: Fix IOMMU AVIC not properly update the is_run bit in IRTE
Commit b9c6ff94e4 ("iommu/amd: Re-factor guest virtual APIC
(de-)activation code") accidentally left out the ir_data pointer when
calling modity_irte_ga(), which causes the function amd_iommu_update_ga()
to return prematurely due to struct amd_ir_data.ref is NULL and
the "is_run" bit of IRTE does not get updated properly.

This results in bad I/O performance since IOMMU AVIC always generate GA Log
entry and notify IOMMU driver and KVM when it receives interrupt from the
PCI pass-through device instead of directly inject interrupt to the vCPU.

Fixes by passing ir_data when calling modify_irte_ga() as done previously.

Fixes: b9c6ff94e4 ("iommu/amd: Re-factor guest virtual APIC (de-)activation code")
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2020-03-14 09:39:11 +01:00
Daniel Drake
da72a379b2 iommu/vt-d: Ignore devices with out-of-spec domain number
VMD subdevices are created with a PCI domain ID of 0x10000 or
higher.

These subdevices are also handled like all other PCI devices by
dmar_pci_bus_notifier().

However, when dmar_alloc_pci_notify_info() take records of such devices,
it will truncate the domain ID to a u16 value (in info->seg).
The device at (e.g.) 10000:00:02.0 is then treated by the DMAR code as if
it is 0000:00:02.0.

In the unlucky event that a real device also exists at 0000:00:02.0 and
also has a device-specific entry in the DMAR table,
dmar_insert_dev_scope() will crash on:
   BUG_ON(i >= devices_cnt);

That's basically a sanity check that only one PCI device matches a
single DMAR entry; in this case we seem to have two matching devices.

Fix this by ignoring devices that have a domain number higher than
what can be looked up in the DMAR table.

This problem was carefully diagnosed by Jian-Hong Pan.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Daniel Drake <drake@endlessm.com>
Fixes: 59ce0515cd ("iommu/vt-d: Update DRHD/RMRR/ATSR device scope caches when PCI hotplug happens")
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2020-03-14 09:38:39 +01:00
Zhenzhong Duan
b0bb0c22c4 iommu/vt-d: Fix the wrong printing in RHSA parsing
When base address in RHSA structure doesn't match base address in
each DRHD structure, the base address in last DRHD is printed out.

This doesn't make sense when there are multiple DRHD units, fix it
by printing the buggy RHSA's base address.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@gmail.com>
Fixes: fd0c889489 ("intel-iommu: Set a more specific taint flag for invalid BIOS DMAR tables")
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2020-03-14 09:37:58 +01:00
Nathan Chancellor
82f2bc2fcc kbuild: Disable -Wpointer-to-enum-cast
Clang's -Wpointer-to-int-cast deviates from GCC in that it warns when
casting to enums. The kernel does this in certain places, such as device
tree matches to set the version of the device being used, which allows
the kernel to avoid using a gigantic union.

https://elixir.bootlin.com/linux/v5.5.8/source/drivers/ata/ahci_brcm.c#L428
https://elixir.bootlin.com/linux/v5.5.8/source/drivers/ata/ahci_brcm.c#L402
https://elixir.bootlin.com/linux/v5.5.8/source/include/linux/mod_devicetable.h#L264

To avoid a ton of false positive warnings, disable this particular part
of the warning, which has been split off into a separate diagnostic so
that the entire warning does not need to be turned off for clang. It
will be visible under W=1 in case people want to go about fixing these
easily and enabling the warning treewide.

Cc: stable@vger.kernel.org
Link: https://github.com/ClangBuiltLinux/linux/issues/887
Link: 2a41b31fcd
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-03-14 10:31:08 +09:00
Linus Torvalds
fffb08b37d SCSI fixes on 20200313
Two small fixes, both in drivers: ipr and ufs.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
 -----BEGIN PGP SIGNATURE-----
 
 iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCXmwVQCYcamFtZXMuYm90
 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishXEVAP94Qsj9
 gyy8hqaX3xLZRXLcURp2Aahg5bZJ5OxsYHAc/gEAtY3ofY4rJmzuVVoj69eU8j5v
 sMLdbe8mJKzCmRxwi/0=
 =1Euq
 -----END PGP SIGNATURE-----

Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Two small fixes, both in drivers: ipr and ufs"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: ipr: Fix softlockup when rescanning devices in petitboot
  scsi: ufs: Fix possible unclocked access to auto hibern8 timer register
2020-03-13 16:39:19 -07:00
Linus Torvalds
b0ea262a23 NFS Client Bugfixes for Linux 5.6-rc5
Fixes:
 - Ensure the fs_context has the correct fs_type when mounting and submounting
 - Fix leaking of ctx->nfs_server.hostname
 - Add minor version to fscache key to prevent collisions
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEEnZ5MQTpR7cLU7KEp18tUv7ClQOsFAl5r+QkACgkQ18tUv7Cl
 QOtq4Q/+Oo707rb3N7DrPikUARB8D7FMTs/m/+xSPNm2DSllImIXJUdckqaoZkwc
 DwBMLw+ZDvHtcNytytJQOWJNp9LGjHpZ20g0TLr2p2/JRrQyGgpc0FxTJONwA5Pp
 zU6MSgqqfMZ5nLgxpMKsqoPNzO45sS8SKi2I6yZIupLZlsZOzF8L1wL/zc6gJvv8
 71UGrSId9mEMKCrE8EQRx7etct5VPuP+pXfDGz4oaI1tdEmfmx3FoJlzZA1/Pf90
 YSHdGZb7mR3LFkFRDlnh6NFHWU+yE+b5iWCt32ifO8pCN/CyIUvBxQblx4VLA47H
 6S5nrYA96zRcQwhh9B/8yWLiqqxXo2hNl574uBJL/iDqSKSmkEBxZmCbE3aFEGa8
 ClWlF6T5z4dlcAlKWXQkn3EXBHzL5+Opev5dArMhqNkr55g4z9Opsa6sc0ZWdywf
 h/rSM8bHn9SNYkCGFHQ1MjAn6eNU0vVQ/s9DhM2xdtyfyTQOOHx5yA/KF6aGG5oQ
 3mlVEJCEfsBKyWWjHhq3e/7ezgLlKRRlauxdLgjmKy+PmtlY6mGii0eF601e9OSL
 RvK7I5/9spbcYmkyyQs0BxitrDZObyhxk31hgNrUMlN/JJrhPhKiyll8/Z7Z4sq6
 QP6T/Vfn2FORA3ZAMtMH6V/ZOeiXUZjOkBRVWArIrPwOBJn/EQY=
 =3DDn
 -----END PGP SIGNATURE-----

Merge tag 'nfs-for-5.6-3' of git://git.linux-nfs.org/projects/anna/linux-nfs

Pull NFS client bugfixes from Anna Schumaker:
 "These are mostly fscontext fixes, but there is also one that fixes
  collisions seen in fscache:

   - Ensure the fs_context has the correct fs_type when mounting and
     submounting

   - Fix leaking of ctx->nfs_server.hostname

   - Add minor version to fscache key to prevent collisions"

* tag 'nfs-for-5.6-3' of git://git.linux-nfs.org/projects/anna/linux-nfs:
  nfs: add minor version to nfs_server_key for fscache
  NFS: Fix leak of ctx->nfs_server.hostname
  NFS: Don't hard-code the fs_type when submounting
  NFS: Ensure the fs_context has the correct fs_type before mounting
2020-03-13 15:21:32 -07:00
Linus Torvalds
7e6d869f5f fuse fixes for 5.6-rc6
-----BEGIN PGP SIGNATURE-----
 
 iHUEABYIAB0WIQSQHSd0lITzzeNWNm3h3BK/laaZPAUCXmpHOAAKCRDh3BK/laaZ
 PP0XAQCN52kSOBiSvr8xiQrO5YOONo4yfPDi6qIk/ltvA1yr6wEA3NWAepAL07AS
 n51hMi02+JNXuMVnxOm0z2us5/PYJw0=
 =MJC1
 -----END PGP SIGNATURE-----

Merge tag 'fuse-fixes-5.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse

Pull fuse fix from Miklos Szeredi:
 "Fix an Oops introduced in v5.4"

* tag 'fuse-fixes-5.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
  fuse: fix stack use after return
2020-03-13 15:19:38 -07:00
Linus Torvalds
2af82177af overlayfs fixes for 5.6-rc6
-----BEGIN PGP SIGNATURE-----
 
 iHUEABYIAB0WIQSQHSd0lITzzeNWNm3h3BK/laaZPAUCXmufyAAKCRDh3BK/laaZ
 POXNAQDmkgiy41nUQZ3LxtGKstsgVuzFhqBq+erinBPcF1r9mQEA/xJp4uc2Q8NO
 JKZZHyWFLtAN8gGNYTCli4vrm1LoKQc=
 =JV3K
 -----END PGP SIGNATURE-----

Merge tag 'ovl-fixes-5.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs

Pull overlayfs fixes from Miklos Szeredi:
 "Fix three bugs introduced in this cycle"

* tag 'ovl-fixes-5.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
  ovl: fix lockdep warning for async write
  ovl: fix some xino configurations
  ovl: fix lock in ovl_llseek()
2020-03-13 15:17:21 -07:00
Linus Torvalds
78511edc2d Power management fix for 5.6-rc6
Fix cpupower utility build failures with -fno-common
 enabled (Mike Gilbert).
 -----BEGIN PGP SIGNATURE-----
 
 iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAl5rxVcSHHJqd0Byand5
 c29ja2kubmV0AAoJEILEb/54YlRxRTsP/2ZB8INWOBzJ32uaCErhVwKYD2QKzdvi
 i8RUhifg4zkHmPkauc8MwxTerNms8azf0xLiygsmNEI7sFVTmcJk4YFtA0+W8MuR
 xgor76VgEG7NIErzedCrKpXoosspFqMCICofTpdhGsbzRxK1m5W5ibW7cLpFE+Zd
 UZc9VSGfKF1fD5rmquCiKxzOxpJSYVTwjwArYeLmV7H+ExM+xq/WwARXcWu6QJCf
 Yy1g8Qh46Ky1zzWP/MzNaYcQjOH1AiVKCG48DBflzkdbGFYCuBA30XsLLyxK6+h8
 Sqcc2MM6w1oQFFSsgt4d8dwCV1prkpbUnCVKDkCuTZtpTG1gtkki6NLkWSnTdSTI
 vWo8XOHgl7LefsBsNTxGlvZDaPhsHeSwFjkc4f7pzCw673CFcWrQ1xNo6PdEh/fs
 dVtZeoShe6JEPq5MMTHHSCoLzi3IyVWdkWsY0ycZNaOa/v8HRFYs8q/M4XQ04Cpy
 rpaqR/fOk78TKkcVcB1hhYIW0ZE+2gVUmVadSm+Eyde471fg1KeJ2d+I2Lga+dpH
 iGoJ/t1sSS/8/gijG+7r4Nfl/8lgPSEj+JhXyM/1uCkw5xl4OKXlfsGFft4k2o6B
 +ZzZASiDgfnT0VD3trsmInLhIaGvX1MPryy+Z3EnFaT6yjm+xLD7XpHfz6svnYj1
 E0CEuNIYRofw
 =0wdT
 -----END PGP SIGNATURE-----

Merge tag 'pm-5.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fix from Rafael Wysocki:
 "Fix cpupower utility build failures with -fno-common enabled (Mike
  Gilbert)"

* tag 'pm-5.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  cpupower: avoid multiple definition with gcc -fno-common
2020-03-13 13:21:51 -07:00
Linus Torvalds
5007928eae io_uring-5.6-2020-03-13
-----BEGIN PGP SIGNATURE-----
 
 iQJEBAABCAAuFiEEwPw5LcreJtl1+l5K99NY+ylx4KYFAl5rxtkQHGF4Ym9lQGtl
 cm5lbC5kawAKCRD301j7KXHgpv/xEACifgfgyE3a2ZM7w2VTe41IpMxOouEnUWOJ
 oVKRp+9gkynE8pUGlE1igTa7T2nQIZM+Qd0KWqknkP2iFiQaNXSqqr8U6qIz9lzV
 I6SAcj0Pa2FRzlRly5UXLKiadIHbt2OfP6PIk6sXTcMCFUXb75/WzNFVOnNnBuee
 j8F5JUw45xyLXvQnfxpYSt8LeZyGYLoOwJEZX3j+hFHl1GCqSrAY8EB5tkXFbCZi
 L9JdJYOBEvnwFF4qxWl++2bmEOywnKeFea84JqbGr9BaVrDAOjAWMairZAU82xiI
 EWdQRKkSyDzrl+TACz/ri4J87fzE8FhBpHLufSY3HCxizaayNawxItDg5CCW1ghn
 i+bEaKq6djZn1CpSU0w0CTfA1g0D1DnErBS82znC8ciV1ZflAed8oADh3/+X64j8
 HzPT1DRoDGnzp4pBwTiZcG7Jb605Mh8i1TY1p35riaUbIR4y84BVNroEUHtO5Cmh
 U09efdYifsU9XM+u0OXK+SvrHqtDb6EVSx5x37qiV1SVxZ3JSsr9/uTjnBOrjH5W
 nUjqCzQfJZYSNmvRT6aSGDzk5wON95nnv7hYE9HWER/Cw7/VwKdJmBwehIAZUaXG
 NxJ7I/mVndGKV8ghoN119XVl7t2i56Ctj2pwu/UJH7lZB/Yfu9qZ5oKpku/Kbriy
 pYqSdy8J/Q==
 =0jJw
 -----END PGP SIGNATURE-----

Merge tag 'io_uring-5.6-2020-03-13' of git://git.kernel.dk/linux-block

Pull io_uring fix from Jens Axboe:
 "Just a single fix here, improving the RCU callback ordering from last
  week. After a bit more perusing by Paul, he poked a hole in the
  original"

* tag 'io_uring-5.6-2020-03-13' of git://git.kernel.dk/linux-block:
  io_uring: ensure RCU callback ordering with rcu_barrier()
2020-03-13 13:00:08 -07:00
Linus Torvalds
17829c5a42 block-5.6-2020-03-13
-----BEGIN PGP SIGNATURE-----
 
 iQJEBAABCAAuFiEEwPw5LcreJtl1+l5K99NY+ylx4KYFAl5rxrwQHGF4Ym9lQGtl
 cm5lbC5kawAKCRD301j7KXHgptdyD/9GZXvyt5klmKYJfWA4ceArMMsYHlhaer1B
 fWZy6ZEqDLXP/f3rDxVz2bP1HjoOUUoWrqcHTnVNlpuqjqTnubo2Jars18ArBiIh
 At36To1Lw95sinhTvoSrVevlzya5BmWoEu6tpOYV1eDaM3dffyn4xwSt5XNf8Ojz
 0pHI86VDYDzCUtfDJEl4fpY3f1YY8QS5l+FLoGcS5PAWoKvKdeovRVtjRVSClR3v
 DEI8xQL4q9bzD4/6Exnk8mfOiPGH6RABQncMDC6HVgKXCdmgvXGulJSDC99cxU+D
 R7DHGFC/m0pNzI0tDfpT7vBONBBH1/p1f5uLPA/Kly1t6JZKAijgyP5WpLb6Th8B
 U8benuSNNPutANb1kOFWxPK+DiMmZwwpmiE+6XX8vnvTKkXCT4jKNQZSTIIYLxBx
 rbpwVZelzD+cWKhZHxu6flmS1M6MPfTyuMS5QuNrw3FLpeOV+BGCNZEHd2kKGY7C
 3vZ88MJoazd4gIPY2/2slJ+GJGyPd11MLo+D9R+xZfi+IgIpMoTuF6siJzmeYhkJ
 FLXrN06lcvBfw5lhFkptj8yR64hMhyPx1E35FiCRbc/BAQXRGe9L+tAwL0mEZo38
 5uAj1DczBMtawK2195XJ0bqTtE4CaWCMXHIBGBmben4c557zHk4s/l0b8ZZLUpjn
 EmHZfFbcpQ==
 =eRvn
 -----END PGP SIGNATURE-----

Merge tag 'block-5.6-2020-03-13' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:
 "A few fixes that should go into this release. This contains:

   - Fix for a corruption issue with the s390 dasd driver (Stefan)

   - Fixup/improvement for the flush insertion change that we had in
     this series (Ming)

   - Fix for the partition suppor for host aware zoned devices
     (Shin'ichiro)

   - Fix incorrect blk-iocost comparison (Tejun)

  The diffstat looks large, but that's a) mostly dasd, and b) the flush
  fix from Ming adds a big comment"

* tag 'block-5.6-2020-03-13' of git://git.kernel.dk/linux-block:
  block: Fix partition support for host aware zoned block devices
  blk-mq: insert flush request to the front of dispatch queue
  s390/dasd: fix data corruption for thin provisioned devices
  blk-iocost: fix incorrect vtime comparison in iocg_is_idle()
2020-03-13 12:45:23 -07:00
Linus Torvalds
d36561296b MMC core:
- Fix HW busy detection support for host controllers requiring the
    MMC_RSP_BUSY response flag (R1B) to be set for the command. In
    particular for CMD6 (eMMC), erase/trim/discard (SD/eMMC) and CMD5
    (eMMC sleep).
 
 MMC host:
  - sdhci-omap|tegra: Fix support for HW busy detection
 -----BEGIN PGP SIGNATURE-----
 
 iQJLBAABCgA1FiEEugLDXPmKSktSkQsV/iaEJXNYjCkFAl5rfBwXHHVsZi5oYW5z
 c29uQGxpbmFyby5vcmcACgkQ/iaEJXNYjClhrA/+MlUKdgTL1MoySMU3xKDUslgx
 Nq+ZzAnSESPMRqGaUkZ/V5ctwXUTQEa1rB8NSWlh/0qerdB+Llt8wnU8YiExBUnK
 LeV0qZlmDv6OPBEVcVT2NyQgWmQDzd1BYXHbOyAhRTXJiSQ9RXiL/DK4Vbu+zikw
 TIe4DUgzaOzzoFU8ohL9nRRJcoIG6L7jw8GT2hUWnJYM56qhpjnibrr62y4qQmSQ
 pwPZ83Z3SYL5EIw/1QYN0swFluaOZCGjiaxC8JAK53SNJzDGLR1LDufw8y1PMwkb
 huvq/lsOEZkUOiIiPwsPTBZul10p4kDC6FkqApd6zlItlT6K3M4vGfgQT5gv7Ke0
 4Zd+gNDBVndwp4AgRgZa785n8F39QILkMSpB4KJ9YkfKKFI8+fm/Nzf8oyrLVmSD
 Xg28TG470fRZtb4YxYVFCbJ+CZW9Czf5cAyY0RmDBkbFQzWt76w+RFxTLWFLU5U0
 LZMLxjQo5oQ9TM7N4wzgoj4OQTE39xGFv3iXIrOW21sbjAMKrvqFSoJEZJxOyHZM
 WMMHFfuiXacfXAHRkGiORRZwtMmoZpyp44/BMprYyVrM616z8RwYEs715QwFkvlP
 8lx9Xtxx0ABgiWBa9C0TgLr/vOeXIJGvJuxv5f1oBnyyXhLzeeaTmg4QhHMt2Ti+
 0UhVxVYQQ3XEpkEgz6Y=
 =3dnT
 -----END PGP SIGNATURE-----

Merge tag 'mmc-v5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC fixes from Ulf Hansson:
 "MMC core:

   - Fix HW busy detection support for host controllers requiring the
     MMC_RSP_BUSY response flag (R1B) to be set for the command. In
     particular for CMD6 (eMMC), erase/trim/discard (SD/eMMC) and CMD5
     (eMMC sleep).

  MMC host:

   - sdhci-omap|tegra: Fix support for HW busy detection"

* tag 'mmc-v5.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
  mmc: core: Respect MMC_CAP_NEED_RSP_BUSY for eMMC sleep command
  mmc: sdhci-tegra: Fix busy detection by enabling MMC_CAP_NEED_RSP_BUSY
  mmc: sdhci-omap: Fix busy detection by enabling MMC_CAP_NEED_RSP_BUSY
  mmc: core: Respect MMC_CAP_NEED_RSP_BUSY for erase/trim/discard
  mmc: core: Allow host controllers to require R1B for CMD6
2020-03-13 12:21:10 -07:00
Jann Horn
ddd2b85ff7 afs: Use kfree_rcu() instead of casting kfree() to rcu_callback_t
afs_put_addrlist() casts kfree() to rcu_callback_t. Apart from being wrong
in theory, this might also blow up when people start enforcing function
types via compiler instrumentation, and it means the rcu_head has to be
first in struct afs_addr_list.

Use kfree_rcu() instead, it's simpler and more correct.

Signed-off-by: Jann Horn <jannh@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-03-13 10:47:33 -07:00
Wolfram Sang
92bd1f2e1e at24 fixes for v5.6-rc6
- fix regulator underflow bug introduced during the v5.6 merge window
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCAAdFiEEFp3rbAvDxGAT0sefEacuoBRx13IFAl5ronoACgkQEacuoBRx
 13K4ZBAAlMlW+be5AnJK+6xVvvpCrTYsmHQd2bAsH6pR6Dns1wo/8q40tVG29HcB
 eOrNHERFVPYHohzpMWQJzXhFM4eespePqdAE/7RNI3q8ZGBRQBLKJNBi2MCtLgMM
 kXvE+twCpPJ0usNSCfWPG1ggFHM1A8RVWQHEfzZllXWg9B7Ws8iK9kSHcgYQddkC
 /f8Q5Xwe4Eqm3T2r6cLFJUioACHw/jJgOFwvvidjut/wJMAQ9TpsWSnk0oPu1gt0
 G0FNVAKez9t6cNoMbHkzwLkh/w500GG+j5LbrCZ9n1XzT0yARIpxaqbu/6oSr3TX
 12fB5hyiTp4v2fYOUTsadRB72PppEMcgfKX5k+wqQrBkb9YBkIQUUHdaCqWB+rSI
 jZR1hwfMwTckWrhKS+gcHp5rU01VFpRVpxkMD8APhSOgieR3ImQGfwF/iyRO+aPi
 bx7puKS4KJrLV6kCcM5sV078m/p35YWQH8D3QBrzGgDk9myp72Nm029c3itZDIxE
 I+DXZMpOsHpIZ6BxVlHMUIRUONw9NLgJWJS7oTmW36B86o3MUuJyiEsFdqtKIrsf
 1ik8EPTz+fn24YUf6YtFPE8Vkedt0+IabsWNSN/PcM60VW34DmCSKA7NDF0HDeBs
 UMyfdeMTGbvRROR/RLRaWUJDlZu8W4oBdO14chXO8cEa/YnlyCQ=
 =KaLI
 -----END PGP SIGNATURE-----

Merge tag 'at24-fixes-for-v5.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into i2c/for-current

at24 fixes for v5.6-rc6

- fix regulator underflow bug introduced during the v5.6 merge window
2020-03-13 16:32:28 +01:00
Miklos Szeredi
c853680453 ovl: fix lockdep warning for async write
Lockdep reports "WARNING: lock held when returning to user space!" due to
async write holding freeze lock over the write.  Apparently aio.c already
deals with this by lying to lockdep about the state of the lock.

Do the same here.  No need to check for S_IFREG() here since these file ops
are regular-only.

Reported-by: syzbot+9331a354f4f624a52a55@syzkaller.appspotmail.com
Fixes: 2406a307ac ("ovl: implement async IO routines")
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2020-03-13 15:53:06 +01:00
Amir Goldstein
53afcd310e ovl: fix some xino configurations
Fix up two bugs in the coversion to xino_mode:
1. xino=off does not always end up in disabled mode
2. xino=auto on 32bit arch should end up in disabled mode

Take a proactive approach to disabling xino on 32bit kernel:
1. Disable XINO_AUTO config during build time
2. Disable xino with a warning on mount time

As a by product, xino=on on 32bit arch also ends up in disabled mode.
We never intended to enable xino on 32bit arch and this will make the
rest of the logic simpler.

Fixes: 0f831ec85e ("ovl: simplify ovl_same_sb() helper")
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2020-03-13 15:53:06 +01:00
Gerd Hoffmann
8c34cd1a7f drm/bochs: downgrade pci_request_region failure from error to warning
Shutdown of firmware framebuffer has a bunch of problems.  Because
of this the framebuffer region might still be reserved even after
drm_fb_helper_remove_conflicting_pci_framebuffers() returned.

Don't consider pci_request_region() failure for the framebuffer
region as fatal error to workaround this issue.

Reported-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20200313084152.2734-1-kraxel@redhat.com
2020-03-13 15:34:19 +01:00
Peter Xu
469ff207b4 x86/vector: Remove warning on managed interrupt migration
The vector management code assumes that managed interrupts cannot be
migrated away from an online CPU. free_moved_vector() has a WARN_ON_ONCE()
which triggers when a managed interrupt vector association on a online CPU
is cleared. The CPU offline code uses a different mechanism which cannot
trigger this.

This assumption is not longer correct because the new CPU isolation feature
which affects the placement of managed interrupts must be able to move a
managed interrupt away from an online CPU.

There are two reasons why this can happen:

  1) When the interrupt is activated the affinity mask which was
     established in irq_create_affinity_masks() is handed in to
     the vector allocation code. This mask contains all CPUs to which
     the interrupt can be made affine to, but this does not take the
     CPU isolation 'managed_irq' mask into account.

     When the interrupt is finally requested by the device driver then the
     affinity is checked again and the CPU isolation 'managed_irq' mask is
     taken into account, which moves the interrupt to a non-isolated CPU if
     possible.

  2) The interrupt can be affine to an isolated CPU because the
     non-isolated CPUs in the calculated affinity mask are not online.

     Once a non-isolated CPU which is in the mask comes online the
     interrupt is migrated to this non-isolated CPU

In both cases the regular online migration mechanism is used which triggers
the WARN_ON_ONCE() in free_moved_vector().

Case #1 could have been addressed by taking the isolation mask into
account, but that would require a massive code change in the activation
logic and the eventual migration event was accepted as a reasonable
tradeoff when the isolation feature was developed. But even if #1 would be
addressed, #2 would still trigger it.

Of course the warning in free_moved_vector() was overlooked at that time
and the above two cases which have been discussed during patch review have
obviously never been tested before the final submission.

So keep it simple and remove the warning.

[ tglx: Rewrote changelog and added a comment to free_moved_vector() ]

Fixes: 11ea68f553 ("genirq, sched/isolation: Isolate from handling managed interrupts")
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>                                                                                                                                                                       
Link: https://lkml.kernel.org/r/20200312205830.81796-1-peterx@redhat.com
2020-03-13 15:29:26 +01:00
Wolfram Sang
8daee952b4 i2c: acpi: put device when verifying client fails
i2c_verify_client() can fail, so we need to put the device when that
happens.

Fixes: 525e6fabea ("i2c / ACPI: add support for ACPI reconfigure notifications")
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2020-03-13 15:15:30 +01:00
Megha Dey
ba3b01d7a6 iommu/vt-d: Fix debugfs register reads
Commit 6825d3ea6c ("iommu/vt-d: Add debugfs support to show register
contents") dumps the register contents for all IOMMU devices.

Currently, a 64 bit read(dmar_readq) is done for all the IOMMU registers,
even though some of the registers are 32 bits, which is incorrect.

Use the correct read function variant (dmar_readl/dmar_readq) while
reading the contents of 32/64 bit registers respectively.

Signed-off-by: Megha Dey <megha.dey@linux.intel.com>
Link: https://lore.kernel.org/r/1583784587-26126-2-git-send-email-megha.dey@linux.intel.com
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2020-03-13 14:25:46 +01:00
Hans de Goede
81ee85d046 iommu/vt-d: quirk_ioat_snb_local_iommu: replace WARN_TAINT with pr_warn + add_taint
Quoting from the comment describing the WARN functions in
include/asm-generic/bug.h:

 * WARN(), WARN_ON(), WARN_ON_ONCE, and so on can be used to report
 * significant kernel issues that need prompt attention if they should ever
 * appear at runtime.
 *
 * Do not use these macros when checking for invalid external inputs

The (buggy) firmware tables which the dmar code was calling WARN_TAINT
for really are invalid external inputs. They are not under the kernel's
control and the issues in them cannot be fixed by a kernel update.
So logging a backtrace, which invites bug reports to be filed about this,
is not helpful.

Fixes: 556ab45f9a ("ioat2: catch and recover from broken vtd configurations v6")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20200309182510.373875-1-hdegoede@redhat.com
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=701847
Signed-off-by: Joerg Roedel <jroedel@suse.de>
2020-03-13 14:25:45 +01:00
Hans de Goede
96788c7a7f iommu/vt-d: dmar_parse_one_rmrr: replace WARN_TAINT with pr_warn + add_taint
Quoting from the comment describing the WARN functions in
include/asm-generic/bug.h:

 * WARN(), WARN_ON(), WARN_ON_ONCE, and so on can be used to report
 * significant kernel issues that need prompt attention if they should ever
 * appear at runtime.
 *
 * Do not use these macros when checking for invalid external inputs

The (buggy) firmware tables which the dmar code was calling WARN_TAINT
for really are invalid external inputs. They are not under the kernel's
control and the issues in them cannot be fixed by a kernel update.
So logging a backtrace, which invites bug reports to be filed about this,
is not helpful.

Some distros, e.g. Fedora, have tools watching for the kernel backtraces
logged by the WARN macros and offer the user an option to file a bug for
this when these are encountered. The WARN_TAINT in dmar_parse_one_rmrr
+ another iommu WARN_TAINT, addressed in another patch, have lead to over
a 100 bugs being filed this way.

This commit replaces the WARN_TAINT("...") call, with a
pr_warn(FW_BUG "...") + add_taint(TAINT_FIRMWARE_WORKAROUND, ...) call
avoiding the backtrace and thus also avoiding bug-reports being filed
about this against the kernel.

Fixes: f5a68bb075 ("iommu/vt-d: Mark firmware tainted if RMRR fails sanity check")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Cc: stable@vger.kernel.org
Cc: Barret Rhoden <brho@google.com>
Link: https://lore.kernel.org/r/20200309140138.3753-3-hdegoede@redhat.com
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1808874
2020-03-13 14:25:45 +01:00
Hans de Goede
5983369644 iommu/vt-d: dmar: replace WARN_TAINT with pr_warn + add_taint
Quoting from the comment describing the WARN functions in
include/asm-generic/bug.h:

 * WARN(), WARN_ON(), WARN_ON_ONCE, and so on can be used to report
 * significant kernel issues that need prompt attention if they should ever
 * appear at runtime.
 *
 * Do not use these macros when checking for invalid external inputs

The (buggy) firmware tables which the dmar code was calling WARN_TAINT
for really are invalid external inputs. They are not under the kernel's
control and the issues in them cannot be fixed by a kernel update.
So logging a backtrace, which invites bug reports to be filed about this,
is not helpful.

Some distros, e.g. Fedora, have tools watching for the kernel backtraces
logged by the WARN macros and offer the user an option to file a bug for
this when these are encountered. The WARN_TAINT in warn_invalid_dmar()
+ another iommu WARN_TAINT, addressed in another patch, have lead to over
a 100 bugs being filed this way.

This commit replaces the WARN_TAINT("...") calls, with
pr_warn(FW_BUG "...") + add_taint(TAINT_FIRMWARE_WORKAROUND, ...) calls
avoiding the backtrace and thus also avoiding bug-reports being filed
about this against the kernel.

Fixes: fd0c889489 ("intel-iommu: Set a more specific taint flag for invalid BIOS DMAR tables")
Fixes: e625b4a95d ("iommu/vt-d: Parse ANDD records")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Acked-by: Lu Baolu <baolu.lu@linux.intel.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20200309140138.3753-2-hdegoede@redhat.com
BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1564895
2020-03-13 14:25:06 +01:00