Commit Graph

708357 Commits

Author SHA1 Message Date
Linus Torvalds
8251354513 Merge branch 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull smp/hotplug fixes from Thomas Gleixner:
 "This addresses the fallout of the new lockdep mechanism which covers
  completions in the CPU hotplug code.

  The lockdep splats are false positives, but there is no way to
  annotate that reliably. The solution is to split the completions for
  CPU up and down, which requires some reshuffling of the failure
  rollback handling as well"

* 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  smp/hotplug: Hotplug state fail injection
  smp/hotplug: Differentiate the AP completion between up and down
  smp/hotplug: Differentiate the AP-work lockdep class between up and down
  smp/hotplug: Callback vs state-machine consistency
  smp/hotplug: Rewrite AP state machine core
  smp/hotplug: Allow external multi-instance rollback
  smp/hotplug: Add state diagram
2017-10-01 12:34:42 -07:00
Linus Torvalds
7e103ace9c Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Thomas Gleixner:
 "The scheduler pull request comes with the following updates:

   - Prevent a divide by zero issue by validating the input value of
     sysctl_sched_time_avg

   - Make task state printing consistent all over the place and have
     explicit state characters for IDLE and PARKED so they wont be
     displayed as 'D' state which confuses tools"

* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched/sysctl: Check user input value of sysctl_sched_time_avg
  sched/debug: Add explicit TASK_PARKED printing
  sched/debug: Ignore TASK_IDLE for SysRq-W
  sched/debug: Add explicit TASK_IDLE printing
  sched/tracing: Use common task-state helpers
  sched/tracing: Fix trace_sched_switch task-state printing
  sched/debug: Remove unused variable
  sched/debug: Convert TASK_state to hex
  sched/debug: Implement consistent task-state printing
2017-10-01 12:10:02 -07:00
Linus Torvalds
1c6f705ba2 Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Thomas Gleixner:

 - Prevent a division by zero in the perf aux buffer handling

 - Sync kernel headers with perf tool headers

 - Fix a build failure in the syscalltbl code

 - Make the debug messages of perf report --call-graph work correctly

 - Make sure that all required perf files are in the MANIFEST for
   container builds

 - Fix the atrr.exclude kernel handling so it respects the
   perf_event_paranoid and the user permissions

 - Make perf test on s390x work correctly

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/aux: Only update ->aux_wakeup in non-overwrite mode
  perf test: Fix vmlinux failure on s390x part 2
  perf test: Fix vmlinux failure on s390x
  perf tools: Fix syscalltbl build failure
  perf report: Fix debug messages with --call-graph option
  perf evsel: Fix attr.exclude_kernel setting for default cycles:p
  tools include: Sync kernel ABI headers with tooling headers
  perf tools: Get all of tools/{arch,include}/ in the MANIFEST
2017-10-01 12:06:31 -07:00
Linus Torvalds
1de47f3cb7 Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull  locking fixes from Thomas Gleixner:
 "Two fixes for locking:

   - Plug a hole the pi_stat->owner serialization which was changed
     recently and failed to fixup two usage sites.

   - Prevent reordering of the rwsem_has_spinner() check vs the
     decrement of rwsem count in up_write() which causes a missed
     wakeup"

* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/rwsem-xadd: Fix missed wakeup due to reordering of load
  futex: Fix pi_state->owner serialization
2017-10-01 12:02:47 -07:00
Linus Torvalds
3d9d62b99b Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:

 - Add a missing NULL pointer check in free_irq()

 - Fix a memory leak/memory corruption in the generic irq chip

 - Add missing rcu annotations for radix tree access

 - Use ffs instead of fls when extracting data from a chip register in
   the MIPS GIC irq driver

 - Fix the unmasking of IPI interrupts in the MIPS GIC driver so they
   end up at the target CPU and not at CPU0

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irq/generic-chip: Don't replace domain's name
  irqdomain: Add __rcu annotations to radix tree accessors
  irqchip/mips-gic: Use effective affinity to unmask
  irqchip/mips-gic: Fix shifts to extract register fields
  genirq: Check __free_irq() return value for NULL
2017-10-01 12:00:56 -07:00
Linus Torvalds
156069f8f0 Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fixes from Thomas Gleixner:
 "Two small fixes for objtool:

   - Support frame pointer setup via 'lea (%rsp), %rbp' which was not
     yet supported and caused build warnings

   - Disable unreacahble warnings for GCC4.4 and older to avoid false
     positives caused by the compiler itself"

* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  objtool: Support unoptimized frame pointer setup
  objtool: Skip unreachable warnings for GCC 4.4 and older
2017-10-01 11:12:29 -07:00
Noralf Trønnes
c0f095f766 drm/fb-cma-helper: Remove unused functions
The cma drivers use the drm_gem_framebuffer_helper functions now,
so remove drm_fb_cma_destroy, drm_fb_cma_create_handle,
drm_fb_cma_create_with_funcs, drm_fb_cma_create and
drm_fb_cma_prepare_fb.

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/1506255985-61113-11-git-send-email-noralf@tronnes.org
2017-10-01 17:05:39 +02:00
Noralf Trønnes
57b8a4bf87 drm/tve200: Use drm_gem_fb_create() and drm_gem_fb_prepare_fb()
drm_fb_cma_create() and drm_fb_cma_prepare_fb() are just wrappers now,
use drm_gem_fb_create() and drm_gem_fb_prepare_fb() directly.

Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/1506255985-61113-10-git-send-email-noralf@tronnes.org
2017-10-01 17:04:36 +02:00
Noralf Trønnes
1287c94d4d drm/sun4i: Use drm_gem_fb_create()
drm_fb_cma_create() is just a wrapper around drm_gem_fb_create() now,
so use the function directly.

Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/1506255985-61113-9-git-send-email-noralf@tronnes.org
2017-10-01 17:03:55 +02:00
Noralf Trønnes
5d43aa7a7c drm/shmobile: Use drm_gem_fb_create()
drm_fb_cma_create() is just a wrapper around drm_gem_fb_create() now,
so use the function directly.

Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/1506255985-61113-8-git-send-email-noralf@tronnes.org
2017-10-01 17:03:22 +02:00
Noralf Trønnes
365c385178 drm/rcar-du: Use drm_gem_fb_create()
drm_fb_cma_create() is just a wrapper around drm_gem_fb_create() now,
so use the function directly.

Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/1506255985-61113-7-git-send-email-noralf@tronnes.org
2017-10-01 17:02:53 +02:00
Noralf Trønnes
98f3eac5a1 drm/mxsfb: Use drm_gem_fb_create() and drm_gem_fb_prepare_fb()
drm_fb_cma_create() and drm_fb_cma_prepare_fb() are just wrappers now,
use drm_gem_fb_create() and drm_gem_fb_prepare_fb() directly.

Cc: Marek Vasut <marex@denx.de>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/1506255985-61113-6-git-send-email-noralf@tronnes.org
2017-10-01 17:02:20 +02:00
Noralf Trønnes
24ef8157fc drm/meson: Use drm_gem_fb_create()
drm_fb_cma_create() is just a wrapper around drm_gem_fb_create() now,
so use the function directly.

Cc: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/1506255985-61113-5-git-send-email-noralf@tronnes.org
2017-10-01 17:01:39 +02:00
Noralf Trønnes
503ad2e174 drm/hisilicon/kirin: Use drm_gem_fb_create()
drm_fb_cma_create() is just a wrapper around drm_gem_fb_create() now,
so use the function directly.

Cc: Xinliang Liu <z.liuxinliang@hisilicon.com>
Cc: Rongrong Zou <zourongrong@gmail.com>
Cc: Xinwei Kong <kong.kongxinwei@hisilicon.com>
Cc: Chen Feng <puck.chen@hisilicon.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Xinliang Liu <z.liuxinliang@hisilicon.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/1506255985-61113-4-git-send-email-noralf@tronnes.org
2017-10-01 17:00:55 +02:00
Noralf Trønnes
ba22bf6785 drm/fsl-dcu: Use drm_gem_fb_create()
drm_fb_cma_create() is just a wrapper around drm_gem_fb_create() now,
so use the function directly.

Cc: Stefan Agner <stefan@agner.ch>
Cc: Alison Wang <alison.wang@freescale.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/1506255985-61113-3-git-send-email-noralf@tronnes.org
2017-10-01 17:00:20 +02:00
Noralf Trønnes
cce1a87788 drm/tinydrm: Use drm_gem_framebuffer_helper
Use drm_gem_framebuffer_helper directly instead of the cma
library wrappers.

Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Reviewed-by: Eric Anholt <eric@anholt.net>
Link: https://patchwork.freedesktop.org/patch/msgid/1506255985-61113-2-git-send-email-noralf@tronnes.org
2017-10-01 16:59:49 +02:00
Dave Airlie
659333de48 drm/amdgpu: use designated initialiser for thermal_irq_src.
This fixes the 0-day build warning.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2017-10-01 11:27:41 +10:00
Dan Carpenter
320e421ea3 drm: of: always initialize panel in drm_of_find_panel_or_bridge()
The callers expect "panel" to be initialized, but that isn't true if we
return -ENODEV.  It causes bugs like:

    drivers/gpu/drm/tve200/tve200_drv.c:83 tve200_modeset_init()
    error: uninitialized symbol 'panel'.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20170925103038.lvr5msjvekwczctn@mwanda
2017-10-01 01:30:01 +02:00
Dan Carpenter
44390ef519 drm/tve200: Check for IS_ERR instead of NULL in probe
devm_ioremap_resource() returns error pointer, it never returns NULL on
error.

Fixes: 179c02fe90 ("drm/tve200: Add new driver for TVE200")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20170925102520.a7spymwqqbsczzz2@mwanda
2017-10-01 01:29:54 +02:00
Colin Ian King
4ea30958d9 drm/tve200: make two functions static
The functions tve200_display_disable and tve200_display_funcs are
local to the source and do not need to be in global scope, so make
them static.

Cleans up sparse warnings:
symbol 'tve200_display_disable' was not declared. Should it be static?
symbol 'tve200_display_funcs' was not declared. Should it be static?

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20170922160516.16283-1-colin.king@canonical.com
2017-10-01 01:29:45 +02:00
Linus Torvalds
a8c964eacb * Fix partition alignment check in mtdcore.c
* Fix a buffer overflow in the Atmel NAND driver
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Merge tag 'mtd/fixes-for-4.14-rc3' of git://git.infradead.org/linux-mtd

Pull mtd fixes from Boris Brezillon:

 - Fix partition alignment check in mtdcore.c

 - Fix a buffer overflow in the Atmel NAND driver

* tag 'mtd/fixes-for-4.14-rc3' of git://git.infradead.org/linux-mtd:
  mtd: nand: atmel: fix buffer overflow in atmel_pmecc_user
  mtd: Fix partition alignment check on multi-erasesize devices
2017-09-30 12:52:32 -07:00
Linus Torvalds
0b33ce72ea SCSI fixes on 20170930
Eight mostly minor fixes for recently discovered issues in drivers.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Eight mostly minor fixes for recently discovered issues in drivers"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: ILLEGAL REQUEST + ASC==27 => target failure
  scsi: aacraid: Add a small delay after IOP reset
  scsi: scsi_transport_fc: Also check for NOTPRESENT in fc_remote_port_add()
  scsi: scsi_transport_fc: set scsi_target_id upon rescan
  scsi: scsi_transport_iscsi: fix the issue that iscsi_if_rx doesn't parse nlmsg properly
  scsi: aacraid: error: testing array offset 'bus' after use
  scsi: lpfc: Don't return internal MBXERR_ERROR code from probe function
  scsi: aacraid: Fix 2T+ drives on SmartIOC-2000
2017-09-30 12:50:56 -07:00
Linus Torvalds
74d83ec2b7 platform-drivers-x86 for v4.14-2
Newly discovered species of fujitsu laptops break some assumptions about
 ACPI device pairings.
 
 fujitsu-laptop:
  - Don't oops when FUJ02E3 is not presnt
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Merge tag 'platform-drivers-x86-v4.14-2' of git://git.infradead.org/linux-platform-drivers-x86

Pull x86 platform drivers fix from Darren Hart:
 "Newly discovered species of fujitsu laptops break some assumptions
  about ACPI device pairings.

  fujitsu-laptop: Don't oops when FUJ02E3 is not present"

* tag 'platform-drivers-x86-v4.14-2' of git://git.infradead.org/linux-platform-drivers-x86:
  platform/x86: fujitsu-laptop: Don't oops when FUJ02E3 is not presnt
2017-09-29 19:35:41 -07:00
Linus Torvalds
95dcc4dc38 LED fixes for 4.14-rc3
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Merge tag 'led_fixes-4.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds

Pull LED fixes from Jacek Anaszewski:
 "Four fixes for the as3645a LED flash controller and one update to
  MAINTAINERS"

* tag 'led_fixes-4.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
  MAINTAINERS: Add entry for MediaTek PMIC LED driver
  as3645a: Unregister indicator LED on device unbind
  as3645a: Use integer numbers for parsing LEDs
  dt: bindings: as3645a: Use LED number to refer to LEDs
  as3645a: Use ams,input-max-microamp as documented in DT bindings
2017-09-29 19:33:32 -07:00
Linus Torvalds
99637e4268 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull waitid fix from Al Viro:
 "Fix infoleak in waitid()"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  fix infoleak in waitid(2)
2017-09-29 12:59:59 -07:00
Linus Torvalds
5ba88cd6e9 Merge branch 'for-4.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
 "We've collected a bunch of isolated fixes, for crashes, user-visible
  behaviour or missing bits from other subsystem cleanups from the past.

  The overall number is not small but I was not able to make it
  significantly smaller. Most of the patches are supposed to go to
  stable"

* 'for-4.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: log csums for all modified extents
  Btrfs: fix unexpected result when dio reading corrupted blocks
  btrfs: Report error on removing qgroup if del_qgroup_item fails
  Btrfs: skip checksum when reading compressed data if some IO have failed
  Btrfs: fix kernel oops while reading compressed data
  Btrfs: use btrfs_op instead of bio_op in __btrfs_map_block
  Btrfs: do not backup tree roots when fsync
  btrfs: remove BTRFS_FS_QUOTA_DISABLING flag
  btrfs: propagate error to btrfs_cmp_data_prepare caller
  btrfs: prevent to set invalid default subvolid
  Btrfs: send: fix error number for unknown inode types
  btrfs: fix NULL pointer dereference from free_reloc_roots()
  btrfs: finish ordered extent cleaning if no progress is found
  btrfs: clear ordered flag on cleaning up ordered extents
  Btrfs: fix incorrect {node,sector}size endianness from BTRFS_IOC_FS_INFO
  Btrfs: do not reset bio->bi_ops while writing bio
  Btrfs: use the new helper wbc_to_write_flags
2017-09-29 12:57:35 -07:00
Linus Torvalds
7b5ef82336 Merge tag 'md/4.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md
Pull MD fixes from Shaohua Li:
 "A few fixes for MD. Mainly fix a problem introduced in 4.13, which we
  retry bio for some code paths but not all in some situations"

* tag 'md/4.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md:
  md/raid5: cap worker count
  dm-raid: fix a race condition in request handling
  md: fix a race condition for flush request handling
  md: separate request handling
2017-09-29 12:55:33 -07:00
Linus Torvalds
93b5533ab5 pci-v4.14-fixes-3
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Merge tag 'pci-v4.14-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:

 - fix CONFIG_PCI=n build error (introduced in v4.14-rc1) (Geert
   Uytterhoeven)

 - fix a race in sysfs driver_override store/show (Nicolai Stange)

* tag 'pci-v4.14-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: Fix race condition with driver_override
  PCI: Add dummy pci_acs_enabled() for CONFIG_PCI=n build
2017-09-29 12:46:13 -07:00
Linus Torvalds
a3583202e8 qxl, tegra, misc, amd, etnaviv fixes
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Merge tag 'drm-fixes-for-v4.14-rc3' of git://people.freedesktop.org/~airlied/linux

Pull drm fixes from Dave Airlie:
 "Regular fixes pull, some amdkfd, amdgpu, etnaviv, sun4i, qxl, tegra
  fixes.

  I've got an outstanding pull for i915 but it wasn't on an rc2 base so
  I wanted to ship these out first, I might get to it before rc3 or I
  might not"

* tag 'drm-fixes-for-v4.14-rc3' of git://people.freedesktop.org/~airlied/linux:
  drm/tegra: trace: Fix path to include
  qxl: fix framebuffer unpinning
  drm/sun4i: cec: Enable back CEC-pin framework
  drm/amdkfd: Print event limit messages only once per process
  drm/amdkfd: Fix kernel-queue wrapping bugs
  drm/amdkfd: Fix incorrect destroy_mqd parameter
  drm/radeon: disable hard reset in hibernate for APUs
  drm/amdgpu: revert tile table update for oland
  etnaviv: fix gem object list corruption
  etnaviv: fix submit error path
  qxl: fix primary surface handling
  drm/amdkfd: check for null dev to avoid a null pointer dereference
2017-09-29 12:43:36 -07:00
Linus Torvalds
35dbba31be IOMMU Fixes for Linux v4.14-rc2
Including:
 
 	* A comment fix for 'struct iommu_ops'
 
 	* Format string fixes for AMD IOMMU, unfortunatly I missed that
 	  during review.
 
 	* Limit mediatek physical addresses to 32 bit for v7s to fix a
 	  warning triggered in io-page-table code.
 
 	* Fix dma-sync in io-pgtable-arm-v7s code
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Merge tag 'iommu-fixes-v4.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu

Pull IOMMU fixes from Joerg Roedel:

 - A comment fix for 'struct iommu_ops'

 - Format string fixes for AMD IOMMU, unfortunatly I missed that during
   review.

 - Limit mediatek physical addresses to 32 bit for v7s to fix a warning
   triggered in io-page-table code.

 - Fix dma-sync in io-pgtable-arm-v7s code

* tag 'iommu-fixes-v4.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu: Fix comment for iommu_ops.map_sg
  iommu/amd: pr_err() strings should end with newlines
  iommu/mediatek: Limit the physical address in 32bit for v7s
  iommu/io-pgtable-arm-v7s: Need dma-sync while there is no QUIRK_NO_DMA
2017-09-29 12:37:07 -07:00
Linus Torvalds
0648260041 arm64 fixes:
- SPsel register initialisation on reset as the architecture defines its
   state as unknown
 
 - Use READ_ONCE when dereferencing pmd_t pointers to avoid race
   conditions in page_vma_mapped_walk() (or fast GUP) with concurrent
   modifications of the page table
 
 - Avoid invoking the mm fault handling code for kernel addresses (check
   against TASK_SIZE) which would otherwise result in calling
   might_sleep() in atomic context
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - SPsel register initialisation on reset as the architecture defines
   its state as unknown

 - Use READ_ONCE when dereferencing pmd_t pointers to avoid race
   conditions in page_vma_mapped_walk() (or fast GUP) with concurrent
   modifications of the page table

 - Avoid invoking the mm fault handling code for kernel addresses (check
   against TASK_SIZE) which would otherwise result in calling
   might_sleep() in atomic context

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: fault: Route pte translation faults via do_translation_fault
  arm64: mm: Use READ_ONCE when dereferencing pointer to pte table
  arm64: Make sure SPsel is always set
2017-09-29 12:31:35 -07:00
Linus Torvalds
9f2a5128b9 xen: fixes for 4.14-rc3
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Merge tag 'for-linus-4.14c-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip

Pull xen fixes from Juergen Gross:

 - avoid a warning when compiling with clang

 - consider read-only bits in xen-pciback when writing to a BAR

 - fix a boot crash of pv-domains

* tag 'for-linus-4.14c-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/mmu: Call xen_cleanhighmap() with 4MB aligned for page tables mapping
  xen-pciback: relax BAR sizing write value check
  x86/xen: clean up clang build warning
2017-09-29 12:24:28 -07:00
Linus Torvalds
42057e1825 Mixed bugfixes. Perhaps the most interesting one is a latent bug
that was finally triggered by PCID support.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "Mixed bugfixes. Perhaps the most interesting one is a latent bug that
  was finally triggered by PCID support"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  kvm/x86: Handle async PF in RCU read-side critical sections
  KVM: nVMX: Fix nested #PF intends to break L1's vmlauch/vmresume
  KVM: VMX: use cmpxchg64
  KVM: VMX: simplify and fix vmx_vcpu_pi_load
  KVM: VMX: avoid double list add with VT-d posted interrupts
  KVM: VMX: extract __pi_post_block
  KVM: PPC: Book3S HV: Check for updated HDSISR on P9 HDSI exception
  KVM: nVMX: fix HOST_CR3/HOST_CR4 cache
2017-09-29 12:18:55 -07:00
Al Viro
6c85501f2f fix infoleak in waitid(2)
kernel_waitid() can return a PID, an error or 0.  rusage is filled in the first
case and waitid(2) rusage should've been copied out exactly in that case, *not*
whenever kernel_waitid() has not returned an error.  Compat variant shares that
braino; none of kernel_wait4() callers do, so the below ought to fix it.

Reported-and-tested-by: Alexander Potapenko <glider@google.com>
Fixes: ce72a16fa7 ("wait4(2)/waitid(2): separate copying rusage to userland")
Cc: stable@vger.kernel.org # v4.13
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-09-29 13:43:15 -04:00
Andrey Ryabinin
196bd485ee x86/asm: Use register variable to get stack pointer value
Currently we use current_stack_pointer() function to get the value
of the stack pointer register. Since commit:

  f5caf621ee ("x86/asm: Fix inline asm call constraints for Clang")

... we have a stack register variable declared. It can be used instead of
current_stack_pointer() function which allows to optimize away some
excessive "mov %rsp, %<dst>" instructions:

 -mov    %rsp,%rdx
 -sub    %rdx,%rax
 -cmp    $0x3fff,%rax
 -ja     ffffffff810722fd <ist_begin_non_atomic+0x2d>

 +sub    %rsp,%rax
 +cmp    $0x3fff,%rax
 +ja     ffffffff810722fa <ist_begin_non_atomic+0x2a>

Remove current_stack_pointer(), rename __asm_call_sp to current_stack_pointer
and use it instead of the removed function.

Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20170929141537.29167-1-aryabinin@virtuozzo.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-09-29 19:39:44 +02:00
Tom Lendacky
bc829ee36e x86/mm: Disable branch profiling in mem_encrypt.c
Some routines in mem_encrypt.c are called very early in the boot process,
e.g. sme_encrypt_kernel(). When CONFIG_TRACE_BRANCH_PROFILING=y is defined
the resulting branch profiling associated with the check to see if SME is
active results in a kernel crash. Disable branch profiling for
mem_encrypt.c by defining DISABLE_BRANCH_PROFILING before including any
header files.

Reported-by: kernel test robot <lkp@01.org>
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Acked-by: Borislav Petkov <bp@suse.de>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20170929162419.6016.53390.stgit@tlendack-t1.amdoffice.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-09-29 19:37:51 +02:00
Ingo Molnar
1addcd55bc perf/urgent fixes:
- Fix syscalltbl build failure (Akemi Yagi)
 
 - Fix attr.exclude_kernel setting for default cycles:p, this time for
   !root with kernel.perf_event_paranoid = -1 (Arnaldo Carvalho de Melo)
 
 - Sync kernel ABI headers with tooling headers (Ingo Molnar)
 
 - Remove misleading debug messages with --call-graph option (Mengting Zhang)
 
 - Revert vmlinux symbol resolution patches for s390x (Thomas Richter)
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo-4.14-20170928' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

Pull perf/urgent fixes from Arnaldo Carvalho de Melo:

- Fix syscalltbl build failure (Akemi Yagi)

- Fix attr.exclude_kernel setting for default cycles:p, this time for
  !root with kernel.perf_event_paranoid = -1 (Arnaldo Carvalho de Melo)

- Sync kernel ABI headers with tooling headers (Ingo Molnar)

- Remove misleading debug messages with --call-graph option (Mengting Zhang)

- Revert vmlinux symbol resolution patches for s390x (Thomas Richter)

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2017-09-29 19:31:46 +02:00
Linus Torvalds
95d3652eec Merge branch 'fixes-v4.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull keys fixes from James Morris:
 "Notable here is a rewrite of big_key crypto by Jason Donenfeld to
  address some issues in the original code.

  From Jason's commit log:
   "This started out as just replacing the use of crypto/rng with
    get_random_bytes_wait, so that we wouldn't use bad randomness at
    boot time. But, upon looking further, it appears that there were
    even deeper underlying cryptographic problems, and that this seems
    to have been committed with very little crypto review. So, I rewrote
    the whole thing, trying to keep to the conventions introduced by the
    previous author, to fix these cryptographic flaws."

  There has been positive review of the new code by Eric Biggers and
  Herbert Xu, and it passes basic testing via the keyutils test suite.
  Eric also manually tested it.

  Generally speaking, we likely need to improve the amount of crypto
  review for kernel crypto users including keys (I'll post a note
  separately to ksummit-discuss)"

* 'fixes-v4.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
  security/keys: rewrite all of big_key crypto
  security/keys: properly zero out sensitive key material in big_key
  KEYS: use kmemdup() in request_key_auth_new()
  KEYS: restrict /proc/keys by credentials at open time
  KEYS: reset parent each time before searching key_user_tree
  KEYS: prevent KEYCTL_READ on negative key
  KEYS: prevent creating a different user's keyrings
  KEYS: fix writing past end of user-supplied buffer in keyring_read()
  KEYS: fix key refcount leak in keyctl_read_key()
  KEYS: fix key refcount leak in keyctl_assume_authority()
  KEYS: don't revoke uninstantiated key in request_key_auth_new()
  KEYS: fix cred refcount leak in request_key_auth_new()
2017-09-29 10:26:35 -07:00
Dave Airlie
d8c893b44b amdgpu/dc: inline dml_round_to_multiple
turns out to be a win to inline this.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-29 13:04:16 -04:00
Dave Airlie
2a206cc20a amdgpu/dc: rename bios get_image symbol to something more searchable.
This just makes it easier to find.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-29 13:04:10 -04:00
Dave Airlie
04e212926f amdgpu/dc: set some of the link dp code to static.
These aren't currently used outside this file.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-29 13:04:03 -04:00
Dave Airlie
69e3fdaabe amdgpu/dc: inline all the signal_types code.
This is worth 300 bytes, and one less source file.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-29 13:03:56 -04:00
Dave Airlie
bd6d15769e amdgpu/dc: inline fixed31_32 div_int
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-29 13:03:49 -04:00
Dave Airlie
c233e91b0f amdgpu/dc: use the builtin constant p trick on the 31/32 fixed point.
This only gets us 100 bytes, but may as well be consistent.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-29 13:03:43 -04:00
Dave Airlie
dfd1e5ce67 amdgpu/dc: allow inlining constant int to fixed a lot better.
This uses two things that might be Linux specific,
__builtin_constant_p (might be gcc)
and
BUILD_BUG_ON. (maybe other dm's can have something similiar).

This saves 4k in the bw calcs code.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-29 13:03:35 -04:00
Dave Airlie
1fcd8c53b0 amdgpu/dc: inline some of the bw_fixed code.
This results in a ~4.5k code size reduction.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-29 13:03:28 -04:00
Dave Airlie
450619d328 amdgpu/dc: move some one line dp functions to inlines.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-29 13:03:22 -04:00
Dave Airlie
736b4f153b amdgpu/dc: hide some unused aux/i2c payload apis.
I've no idea if these are used on other platforms, but they
aren't used outside this file here, so make them static.

Drops 300 bytes.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-29 13:03:15 -04:00
Dave Airlie
204de25fd0 amdgpu/dc: inline a bunch of the fixed 31_32 helpers.
This decreases code size by a few hundred bytes.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-29 13:03:09 -04:00
Dave Airlie
c4fee87961 amdgpu/dc: inline some of the fixed 32_32 fns
This drops ~400 bytes here.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2017-09-29 13:03:01 -04:00