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For AMD compute (amdkfd) driver.
All AMD compute devices are exported via single device node /dev/kfd. As
a result devices cannot be controlled individually using device cgroup.
AMD compute devices will rely on its graphics counterpart that exposes
/dev/dri/renderN node for each device. For each task (based on its
cgroup), KFD driver will check if /dev/dri/renderN node is accessible
before exposing it.
Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Acked-by: Tejun Heo <tj@kernel.org>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Roman Gushchin <guro@fb.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 5.4:
UAPI Changes:
Cross-subsystem Changes:
Core Changes:
- dma-buf: add reservation_object_fences helper, relax
reservation_object_add_shared_fence, remove
reservation_object seq number (and then
restored)
- dma-fence: Shrinkage of the dma_fence structure,
Merge dma_fence_signal and dma_fence_signal_locked,
Store the timestamp in struct dma_fence in a union with
cb_list
Driver Changes:
- More dt-bindings YAML conversions
- More removal of drmP.h includes
- dw-hdmi: Support get_eld and various i2s improvements
- gm12u320: Few fixes
- meson: Global cleanup
- panfrost: Few refactors, Support for GPU heap allocations
- sun4i: Support for DDC enable GPIO
- New panels: TI nspire, NEC NL8048HL11, LG Philips LB035Q02,
Sharp LS037V7DW01, Sony ACX565AKM, Toppoly TD028TTEC1
Toppoly TD043MTEA1
Signed-off-by: Dave Airlie <airlied@redhat.com>
[airlied: fixup dma_resv rename fallout]
From: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190819141923.7l2adietcr2pioct@flea
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The timestamp and the cb_list are mutually exclusive, the cb_list can
only be added to prior to being signaled (and once signaled we drain),
while the timestamp is only valid upon being signaled. Both the
timestamp and the cb_list are only valid while the fence is alive, and
as soon as no references are held can be replaced by the rcu_head.
By reusing the union for the timestamp, we squeeze the base dma_fence
struct to 64 bytes on x86-64.
v2: Sort the union chronologically
Suggested-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Christian König <christian.koenig@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>.
Link: https://patchwork.freedesktop.org/patch/msgid/20190817153022.5749-1-chris@chris-wilson.co.uk
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Rearrange the couple of 32-bit atomics hidden amongst the field of
pointers that unnecessarily caused the compiler to insert some padding,
shrinks the size of the base struct dma_fence from 80 to 72 bytes on
x86-64.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Christian König <christian.koenig@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190817144736.7826-3-chris@chris-wilson.co.uk
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This reverts
67c97fb79a7f ("dma-buf: add reservation_object_fences helper")
dd7a7d1ff2f1 ("drm/i915: use new reservation_object_fences helper")
0e1d8083bddb ("dma-buf: further relax reservation_object_add_shared_fence")
5d344f58da76 ("dma-buf: nuke reservation_object seq number")
The scenario that defeats simply grabbing a set of shared/exclusive
fences and using them blissfully under RCU is that any of those fences
may be reallocated by a SLAB_TYPESAFE_BY_RCU fence slab cache. In this
scenario, while keeping the rcu_read_lock we need to establish that no
fence was changed in the dma_resv after a read (or full) memory barrier.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190814182401.25009-1-chris@chris-wilson.co.uk
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Be more consistent with the naming of the other DMA-buf objects.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/323401/
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The only remaining use for this is to protect against setting a new exclusive
fence while we grab both exclusive and shared. That can also be archived by
looking if the exclusive fence has changed or not after completing the
operation.
v2: switch setting excl fence to rcu_assign_pointer
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/322380/
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Add a new helper to get a consistent set of pointers from the reservation
object. While at it group all access helpers together in the header file.
v2: correctly return shared_count as well
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/322378/?series=64837&rev=1
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We clear the callback list on kref_put so that by the time we
release the fence it is unused. No one should be adding to the cb_list
that they don't themselves hold a reference for.
This small change is actually making the structure 16% smaller.
v2: add the comment to the code as well.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/322916/
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Migrating the TI nspire calculators to use the PL111 driver for
framebuffer requires grayscale support for the elder panel
which uses 8bit grayscale only.
DRM does not support 8bit grayscale framebuffers in memory,
but by defining the bus format to be MEDIA_BUS_FMT_Y8_1X8 we
can get the hardware to turn on a grayscaling feature and
convert the RGB framebuffer to grayscale for us.
Cc: Daniel Tang <dt.tangr@gmail.com>
Cc: Fabian Vogt <fabian@ritter-vogt.de>
Tested-by: Fabian Vogt <fabian@ritter-vogt.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190805085847.25554-2-linus.walleij@linaro.org
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 5.4:
UAPI Changes:
- HDCP: Add a Content protection type property
Cross-subsystem Changes:
Core Changes:
- Continue to rework the include dependencies
- fb: Remove the unused drm_gem_fbdev_fb_create function
- drm-dp-helper: Make the link rate calculation more tolerant to
non-explicitly defined, yet supported, rates
- fb-helper: Map DRM client buffer only when required, and instanciate a
shadow buffer when the device has a dirty function or says so
- connector: Add a helper to link the DDC adapter used by that connector to
the userspace
- vblank: Switch from DRM_WAIT_ON to wait_event_interruptible_timeout
- dma-buf: Fix a stack corruption
- ttm: Embed a drm_gem_object struct to make ttm_buffer_object a
superclass of GEM, and convert drivers to use it.
- hdcp: Improvements to report the content protection type to the
userspace
Driver Changes:
- Remove drm_gem_prime_import/export from being defined in the drivers
- Drop DRM_AUTH usage from drivers
- Continue to drop drmP.h
- Convert drivers to the connector ddc helper
- ingenic: Add support for more panel-related cases
- komeda: Support for dual-link
- lima: Reduce logging
- mpag200: Fix the cursor support
- panfrost: Export GPU features register to userspace through an ioctl
- pl111: Remove the CLD pads wiring support from the DT
- rockchip: Rework to use DRM PSR helpers, fix a bug in the VOP_WIN_GET
macro
- sun4i: Improve support for color encoding and range
- tinydrm: Rework SPI support, improve MIPI-DBI support, move to drm/tiny
- vkms: Rework of the CRC tracking
- bridges:
- sii902x: Add support for audio graph card
- tc358767: Rework AUX data handling code
- ti-sn65dsi86: Add Debugfs and proper DSI mode flags support
- panels
- Support for GiantPlus GPM940B0, Sharp LQ070Y3DG3B, Ortustech
COM37H3M, Novatek NT39016, Sharp LS020B1DD01D, Raydium RM67191,
Boe Himax8279d, Sharp LD-D5116Z01B
- Conversion of the device tree bindings to the YAML description
- jh057n00900: Rework the enable / disable path
- fbdev:
- ssd1307fb: Support more devices based on that controller
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190808121423.xzpedzkpyecvsiy4@flea
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There was no users left - so drop the code to support EARLY_EVENT_BLANK.
This patch removes the support in backlight,
and drop the notifier in fbmem.
That EARLY_EVENT_BLANK is not used can be verified that no driver set any of:
lcd_ops.early_set_power()
lcd_ops.r_early_set_power()
Noticed while browsing backlight code for other reasons.
v2:
- Fix changelog to say "EARLY_EVENT_BLANK" (Daniel)
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Jingoo Han <jingoohan1@gmail.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: "Michał Mirosław" <mirq-linux@rere.qmqm.pl>
Cc: Peter Rosin <peda@axentia.se>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-fbdev@vger.kernel.org
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190725143224.GB31803@ravnborg.org
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Complete the abstraction of the ww_mutex inside the reservation object.
This allows us to add more handling and debugging to the reservation
object in the future.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/320761/
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Merge misc fixes from Andrew Morton:
"17 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
drivers/acpi/scan.c: document why we don't need the device_hotplug_lock
memremap: move from kernel/ to mm/
lib/test_meminit.c: use GFP_ATOMIC in RCU critical section
asm-generic: fix -Wtype-limits compiler warnings
cgroup: kselftest: relax fs_spec checks
mm/memory_hotplug.c: remove unneeded return for void function
mm/migrate.c: initialize pud_entry in migrate_vma()
coredump: split pipe command whitespace before expanding template
page flags: prioritize kasan bits over last-cpuid
ubsan: build ubsan.c more conservatively
kasan: remove clang version check for KASAN_STACK
mm: compaction: avoid 100% CPU usage during compaction when a task is killed
mm: migrate: fix reference check race between __find_get_block() and migration
mm: vmscan: check if mem cgroup is disabled or not before calling memcg slab shrinker
ocfs2: remove set but not used variable 'last_hash'
Revert "kmemleak: allow to coexist with fault injection"
kernel/signal.c: fix a kernel-doc markup
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ARM64 randdconfig builds regularly run into a build error, especially
when NUMA_BALANCING and SPARSEMEM are enabled but not SPARSEMEM_VMEMMAP:
#error "KASAN: not enough bits in page flags for tag"
The last-cpuid bits are already contitional on the available space, so
the result of the calculation is a bit random on whether they were
already left out or not.
Adding the kasan tag bits before last-cpuid makes it much more likely to
end up with a successful build here, and should be reliable for
randconfig at least, as long as that does not randomize NR_CPUS or
NODES_SHIFT but uses the defaults.
In order for the modified check to not trigger in the x86 vdso32 code
where all constants are wrong (building with -m32), enclose all the
definitions with an #ifdef.
[arnd@arndb.de: build fix]
Link: http://lkml.kernel.org/r/CAK8P3a3Mno1SWTcuAOT0Wa9VS15pdU6EfnkxLbDpyS55yO04+g@mail.gmail.com
Link: http://lkml.kernel.org/r/20190722115520.3743282-1-arnd@arndb.de
Link: https://lore.kernel.org/lkml/20190618095347.3850490-1-arnd@arndb.de/
Fixes: 2813b9c02962 ("kasan, mm, arm64: tag non slab memory allocated via pagealloc")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Andrey Konovalov <andreyknvl@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- a small cleanup
- a fix for a build error on ARM with some configs
- a fix of a patch for the Xen gntdev driver
- three patches for fixing a potential problem in the swiotlb-xen
driver which Konrad was fine with me carrying them through the Xen
tree
* tag 'for-linus-5.3a-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/swiotlb: remember having called xen_create_contiguous_region()
xen/swiotlb: simplify range_straddles_page_boundary()
xen/swiotlb: fix condition for calling xen_destroy_contiguous_region()
xen: avoid link error on ARM
xen/gntdev.c: Replace vm_map_pages() with vm_map_pages_zero()
xen/pciback: remove set but not used variable 'old_state'
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Pull block fixes from Jens Axboe:
"Here's a small collection of fixes that should go into this series.
This contains:
- io_uring potential use-after-free fix (Jackie)
- loop regression fix (Jan)
- O_DIRECT fragmented bio regression fix (Damien)
- Mark Denis as the new floppy maintainer (Denis)
- ataflop switch fall-through annotation (Gustavo)
- libata zpodd overflow fix (Kees)
- libata ahci deferred probe fix (Miquel)
- nbd invalidation BUG_ON() fix (Munehisa)
- dasd endless loop fix (Stefan)"
* tag 'for-linus-20190802' of git://git.kernel.dk/linux-block:
s390/dasd: fix endless loop after read unit address configuration
block: Fix __blkdev_direct_IO() for bio fragments
MAINTAINERS: floppy: take over maintainership
nbd: replace kill_bdev() with __invalidate_device() again
ata: libahci: do not complain in case of deferred probe
io_uring: fix KASAN use after free in io_sq_wq_submit_work
loop: Fix mount(2) failure due to race with LOOP_SET_FD
libata: zpodd: Fix small read overflow in zpodd_get_mech_type()
ataflop: Mark expected switch fall-through
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
"A few fixes for code that came in during the merge window or that
started getting exercised differently this time around:
- Select regmap MMIO kconfig in spreadtrum driver to avoid compile
errors
- Complete kerneldoc on devm_clk_bulk_get_optional()
- Register an essential clk earlier on mediatek mt8183 SoCs so the
clocksource driver can use it
- Fix divisor math in the at91 driver
- Plug a race in Renesas reset control logic"
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: renesas: cpg-mssr: Fix reset control race condition
clk: sprd: Select REGMAP_MMIO to avoid compile errors
clk: mediatek: mt8183: Register 13MHz clock earlier for clocksource
clk: Add missing documentation of devm_clk_bulk_get_optional() argument
clk: at91: generated: Truncate divisor to GENERATED_MAX_DIV + 1
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Three GPIO fixes, all touching the core, so quite important:
- Fix the request of active low GPIO line events.
- Don't issue WARN() stuff on NULL descriptors if the GPIOLIB is
disabled.
- Preserve the descriptor flags when setting the initial direction on
lines"
* tag 'gpio-v5.3-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpiolib: Preserve desc->flags when setting state
gpio: don't WARN() on NULL descs if gpiolib is disabled
gpiolib: fix incorrect IRQ requesting of an active-low lineevent
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Instead of always calling xen_destroy_contiguous_region() in case the
memory is DMA-able for the used device, do so only in case it has been
made DMA-able via xen_create_contiguous_region() before.
This will avoid a lot of xen_destroy_contiguous_region() calls for
64-bit capable devices.
As the memory in question is owned by swiotlb-xen the PG_owner_priv_1
flag of the first allocated page can be used for remembering.
Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull HMM fixes from Jason Gunthorpe:
"Fix the locking around nouveau's use of the hmm_range_* APIs. It works
correctly in the success case, but many of the the edge cases have
missing unlocks or double unlocks.
The diffstat is a bit big as Christoph did a comprehensive job to move
the obsolete API from the core header and into the driver before
fixing its flow, but the risk of regression from this code motion is
low"
* tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
nouveau: unlock mmap_sem on all errors from nouveau_range_fault
nouveau: remove the block parameter to nouveau_range_fault
mm/hmm: move hmm_vma_range_done and hmm_vma_fault to nouveau
mm/hmm: always return EBUSY for invalid ranges in hmm_range_{fault,snapshot}
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Commit 33ec3e53e7b1 ("loop: Don't change loop device under exclusive
opener") made LOOP_SET_FD ioctl acquire exclusive block device reference
while it updates loop device binding. However this can make perfectly
valid mount(2) fail with EBUSY due to racing LOOP_SET_FD holding
temporarily the exclusive bdev reference in cases like this:
for i in {a..z}{a..z}; do
dd if=/dev/zero of=$i.image bs=1k count=0 seek=1024
mkfs.ext2 $i.image
mkdir mnt$i
done
echo "Run"
for i in {a..z}{a..z}; do
mount -o loop -t ext2 $i.image mnt$i &
done
Fix the problem by not getting full exclusive bdev reference in
LOOP_SET_FD but instead just mark the bdev as being claimed while we
update the binding information. This just blocks new exclusive openers
instead of failing them with EBUSY thus fixing the problem.
Fixes: 33ec3e53e7b1 ("loop: Don't change loop device under exclusive opener")
Cc: stable@vger.kernel.org
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver fixes from Andy Shevchenko:
"Business as usual, a few fixes and new IDs:
- PC Engines APU got one fix for software dependencies to
automatically load them and another fix for mapping of key button
in the front to issue restart event.
- OLPC driver is now probed automatically based on module device
table.
- Intel PMC core driver supports Intel Ice Lake NNPI processor.
- WMI driver missed description of a new field in the structure that
has been added"
* tag 'platform-drivers-x86-v5.3-3' of git://git.infradead.org/linux-platform-drivers-x86:
platform/x86: pcengines-apuv2: use KEY_RESTART for front button
platform/x86: intel_pmc_core: Add ICL-NNPI support to PMC Core
Platform: OLPC: add SPI MODULE_DEVICE_TABLE
platform/x86: wmi: add missing struct parameter description
platform/x86: pcengines-apuv2: Fix softdep statement
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If gpiolib is disabled, we use the inline stubs from gpio/consumer.h
instead of regular definitions of GPIO API. The stubs for 'optional'
variants of gpiod_get routines return NULL in this case as if the
relevant GPIO wasn't found. This is correct so far.
Calling other (non-gpio_get) stubs from this header triggers a warning
because the GPIO descriptor couldn't have been requested. The warning
however is unconditional (WARN_ON(1)) and is emitted even if the passed
descriptor pointer is NULL.
We don't want to force the users of 'optional' gpio_get to check the
returned pointer before calling e.g. gpiod_set_value() so let's only
WARN on non-NULL descriptors.
Cc: stable@vger.kernel.org
Reported-by: Claus H. Stovgaard <cst@phaseone.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Thomas Gleixner:
"Two fixes for the fair scheduling class:
- Prevent freeing memory which is accessible by concurrent readers
- Make the RCU annotations for numa groups consistent"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/fair: Use RCU accessors consistently for ->numa_group
sched/fair: Don't free p->numa_faults with concurrent readers
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull Devicetree fixes from Rob Herring:
"The nvmem changes would typically go thru Greg's tree, but they were
missed in the merge window. [ Acked by Greg ]
Summary:
- Fix mismatches in $id values and actual filenames. Now checked by
tools.
- Convert nvmem binding to DT schema
- Fix a typo in of_property_read_bool() kerneldoc
- Remove some redundant description in al-fic interrupt-controller"
* tag 'devicetree-fixes-for-5.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
dt-bindings: Fix more $id value mismatches filenames
dt-bindings: nvmem: SID: Fix the examples node names
dt-bindings: nvmem: Add YAML schemas for the generic NVMEM bindings
of: Fix typo in kerneldoc
dt-bindings: interrupt-controller: al-fic: remove redundant binding
dt-bindings: clk: allwinner,sun4i-a10-ccu: Correct path in $id
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
"A collection of locking and async operations fixes for v5.3-rc2. These
had been soaking in a branch targeting the merge window, but missed
due to a regression hunt. This fixed up version has otherwise been in
-next this past week with no reported issues.
In order to gain confidence in the locking changes the pull also
includes a debug / instrumentation patch to enable lockdep coverage
for libnvdimm subsystem operations that depend on the device_lock for
exclusion. As mentioned in the changelog it is a hack, but it works
and documents the locking expectations of the sub-system in a way that
others can use lockdep to verify. The driver core touches got an ack
from Greg.
Summary:
- Fix duplicate device_unregister() calls (multiple threads competing
to do unregister work when scheduling device removal from a sysfs
attribute of the self-same device).
- Fix badblocks registration order bug. Ensure region badblocks are
initialized in advance of namespace registration.
- Fix a deadlock between the bus lock and probe operations.
- Export device-core infrastructure to coordinate async operations
via the device ->dead state.
- Add device-core infrastructure to validate device_lock() usage with
lockdep"
* tag 'libnvdimm-fixes-5.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
driver-core, libnvdimm: Let device subsystems add local lockdep coverage
libnvdimm/bus: Fix wait_nvdimm_bus_probe_idle() ABBA deadlock
libnvdimm/bus: Stop holding nvdimm_bus_list_mutex over __nd_ioctl()
libnvdimm/bus: Prepare the nd_ioctl() path to be re-entrant
libnvdimm/region: Register badblocks before namespaces
libnvdimm/bus: Prevent duplicate device_unregister() calls
drivers/base: Introduce kill_device()
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"Findfrom" is not a word. Replace the function synopsis by something
that makes sense.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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Pull block fixes from Jens Axboe:
- Several io_uring fixes/improvements:
- Blocking fix for O_DIRECT (me)
- Latter page slowness for registered buffers (me)
- Fix poll hang under certain conditions (me)
- Defer sequence check fix for wrapped rings (Zhengyuan)
- Mismatch in async inc/dec accounting (Zhengyuan)
- Memory ordering issue that could cause stall (Zhengyuan)
- Track sequential defer in bytes, not pages (Zhengyuan)
- NVMe pull request from Christoph
- Set of hang fixes for wbt (Josef)
- Redundant error message kill for libahci (Ding)
- Remove unused blk_mq_sched_started_request() and related ops (Marcos)
- drbd dynamic alloc shash descriptor to reduce stack use (Arnd)
- blkcg ->pd_stat() non-debug print (Tejun)
- bcache memory leak fix (Wei)
- Comment fix (Akinobu)
- BFQ perf regression fix (Paolo)
* tag 'for-linus-20190726' of git://git.kernel.dk/linux-block: (24 commits)
io_uring: ensure ->list is initialized for poll commands
Revert "nvme-pci: don't create a read hctx mapping without read queues"
nvme: fix multipath crash when ANA is deactivated
nvme: fix memory leak caused by incorrect subsystem free
nvme: ignore subnqn for ADATA SX6000LNP
drbd: dynamically allocate shash descriptor
block: blk-mq: Remove blk_mq_sched_started_request and started_request
bcache: fix possible memory leak in bch_cached_dev_run()
io_uring: track io length in async_list based on bytes
io_uring: don't use iov_iter_advance() for fixed buffers
block: properly handle IOCB_NOWAIT for async O_DIRECT IO
blk-mq: allow REQ_NOWAIT to return an error inline
io_uring: add a memory barrier before atomic_read
rq-qos: use a mb for got_token
rq-qos: set ourself TASK_UNINTERRUPTIBLE after we schedule
rq-qos: don't reset has_sleepers on spurious wakeups
rq-qos: fix missed wake-ups in rq_qos_throttle
wait: add wq_has_single_sleeper helper
block, bfq: check also in-flight I/O in dispatch plugging
block: fix sysfs module parameters directory path in comment
...
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fixes from Joerg Roedel:
- revert an Intel VT-d patch that caused boot problems on some machines
- fix AMD IOMMU interrupts with x2apic enabled
- fix a potential crash when Intel VT-d domain allocation fails
- fix crash in Intel VT-d driver when accessing a domain without a
flush queue
- formatting fix for new Intel VT-d debugfs code
- fix for use-after-free bug in IOVA code
- fix for a NULL-pointer dereference in Intel VT-d driver when PCI
hotplug is used
- compilation fix for one of the previous fixes
* tag 'iommu-fixes-v5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu/amd: Add support for X2APIC IOMMU interrupts
iommu/iova: Fix compilation error with !CONFIG_IOMMU_IOVA
iommu/vt-d: Print pasid table entries MSB to LSB in debugfs
iommu/iova: Remove stale cached32_node
iommu/vt-d: Check if domain->pgd was allocated
iommu/vt-d: Don't queue_iova() if there is no flush queue
iommu/vt-d: Avoid duplicated pci dma alias consideration
Revert "iommu/vt-d: Consolidate domain_init() to avoid duplication"
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These two functions are marked as a legacy APIs to get rid of, but seem to
suit the current nouveau flow. Move it to the only user in preparation
for fixing a locking bug involving caller and callee. All comments
referring to the old API have been removed as this now is a driver private
helper.
Link: https://lore.kernel.org/r/20190724065258.16603-3-hch@lst.de
Tested-by: Ralph Campbell <rcampbell@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Add a description for the context parameter in the struct wmi_device_id.
Reported-by: kbuild test robot <lkp@intel.com>
Fixes: a48e23385fcf ("platform/x86: wmi: add context pointer field to struct wmi_device_id")
Signed-off-by: Mattias Jacobsson <2pi@mok.nu>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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The access() (and faccessat()) credentials change can cause an
unnecessary load on the RCU machinery because every access() call ends
up freeing the temporary access credential using RCU.
This isn't really noticeable on small machines, but if you have hundreds
of cores you can cause huge slowdowns due to RCU storms.
It's easy to avoid: the temporary access crededntials aren't actually
normally accessed using RCU at all, so we can avoid the whole issue by
just marking them as such.
* access-creds:
access: avoid the RCU grace period for the temporary subjective credentials
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The old code used RCU annotations and accessors inconsistently for
->numa_group, which can lead to use-after-frees and NULL dereferences.
Let all accesses to ->numa_group use proper RCU helpers to prevent such
issues.
Signed-off-by: Jann Horn <jannh@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Fixes: 8c8a743c5087 ("sched/numa: Use {cpu, pid} to create task groups for shared faults")
Link: https://lkml.kernel.org/r/20190716152047.14424-3-jannh@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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When going through execve(), zero out the NUMA fault statistics instead of
freeing them.
During execve, the task is reachable through procfs and the scheduler. A
concurrent /proc/*/sched reader can read data from a freed ->numa_faults
allocation (confirmed by KASAN) and write it back to userspace.
I believe that it would also be possible for a use-after-free read to occur
through a race between a NUMA fault and execve(): task_numa_fault() can
lead to task_numa_compare(), which invokes task_weight() on the currently
running task of a different CPU.
Another way to fix this would be to make ->numa_faults RCU-managed or add
extra locking, but it seems easier to wipe the NUMA fault statistics on
execve.
Signed-off-by: Jann Horn <jannh@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Fixes: 82727018b0d3 ("sched/numa: Call task_numa_free() from do_execve()")
Link: https://lkml.kernel.org/r/20190716152047.14424-1-jannh@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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It turns out that 'access()' (and 'faccessat()') can cause a lot of RCU
work because it installs a temporary credential that gets allocated and
freed for each system call.
The allocation and freeing overhead is mostly benign, but because
credentials can be accessed under the RCU read lock, the freeing
involves a RCU grace period.
Which is not a huge deal normally, but if you have a lot of access()
calls, this causes a fair amount of seconday damage: instead of having a
nice alloc/free patterns that hits in hot per-CPU slab caches, you have
all those delayed free's, and on big machines with hundreds of cores,
the RCU overhead can end up being enormous.
But it turns out that all of this is entirely unnecessary. Exactly
because access() only installs the credential as the thread-local
subjective credential, the temporary cred pointer doesn't actually need
to be RCU free'd at all. Once we're done using it, we can just free it
synchronously and avoid all the RCU overhead.
So add a 'non_rcu' flag to 'struct cred', which can be set by users that
know they only use it in non-RCU context (there are other potential
users for this). We can make it a union with the rcu freeing list head
that we need for the RCU case, so this doesn't need any extra storage.
Note that this also makes 'get_current_cred()' clear the new non_rcu
flag, in case we have filesystems that take a long-term reference to the
cred and then expect the RCU delayed freeing afterwards. It's not
entirely clear that this is required, but it makes for clear semantics:
the subjective cred remains non-RCU as long as you only access it
synchronously using the thread-local accessors, but you _can_ use it as
a generic cred if you want to.
It is possible that we should just remove the whole RCU markings for
->cred entirely. Only ->real_cred is really supposed to be accessed
through RCU, and the long-term cred copies that nfs uses might want to
explicitly re-enable RCU freeing if required, rather than have
get_current_cred() do it implicitly.
But this is a "minimal semantic changes" change for the immediate
problem.
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Paul E. McKenney <paulmck@linux.ibm.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Jan Glauber <jglauber@marvell.com>
Cc: Jiri Kosina <jikos@kernel.org>
Cc: Jayachandran Chandrasekharan Nair <jnair@marvell.com>
Cc: Greg KH <greg@kroah.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We currently have cases where the dma_addressing_limited() gets
called with dma_mask unset. This causes a NULL pointer dereference.
Use dma_get_mask() accessor to prevent the crash.
Fixes: b866455423e0 ("dma-mapping: add a dma_addressing_limited helper")
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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blk_mq_sched_completed_request is a function that checks if the elevator
related to the request has started_request implemented, but currently, none of
the available IO schedulers implement started_request, so remove both.
Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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It's dead code ever since
commit 34280340b1dc74c521e636f45cd728f9abf56ee2
Author: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Fri Dec 4 17:01:43 2015 +0100
fbdev: Remove unused SH-Mobile HDMI driver
Also with this gone we can remove the cea_modes db. This entire thing
is massively incomplete anyway, compared to the CEA parsing that
drm_edid.c does.
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Tavis Ormandy <taviso@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190721201956.941-1-daniel.vetter@ffwll.ch
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The stub function for !CONFIG_IOMMU_IOVA needs to be
'static inline'.
Fixes: effa467870c76 ('iommu/vt-d: Don't queue_iova() if there is no flush queue')
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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Fix an incomplete devm_clk_bulk_get_optional() function documentation
by adding description of the num_clks argument as in other *clk_bulk*
functions.
Fixes: 9bd5ef0bd874 ("clk: Add devm_clk_bulk_get_optional() function")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
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Noralf needs some SPI patches in 5.3 to merge some work on tinydrm.
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
|
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Pull networking fixes from David Miller:
1) Several netfilter fixes including a nfnetlink deadlock fix from
Florian Westphal and fix for dropping VRF packets from Miaohe Lin.
2) Flow offload fixes from Pablo Neira Ayuso including a fix to restore
proper block sharing.
3) Fix r8169 PHY init from Thomas Voegtle.
4) Fix memory leak in mac80211, from Lorenzo Bianconi.
5) Missing NULL check on object allocation in cxgb4, from Navid
Emamdoost.
6) Fix scaling of RX power in sfp phy driver, from Andrew Lunn.
7) Check that there is actually an ip header to access in skb->data in
VRF, from Peter Kosyh.
8) Remove spurious rcu unlock in hv_netvsc, from Haiyang Zhang.
9) One more tweak the the TCP fragmentation memory limit changes, to be
less harmful to applications setting small SO_SNDBUF values. From
Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (40 commits)
tcp: be more careful in tcp_fragment()
hv_netvsc: Fix extra rcu_read_unlock in netvsc_recv_callback()
vrf: make sure skb->data contains ip header to make routing
connector: remove redundant input callback from cn_dev
qed: Prefer pcie_capability_read_word()
igc: Prefer pcie_capability_read_word()
cxgb4: Prefer pcie_capability_read_word()
be2net: Synchronize be_update_queues with dev_watchdog
bnx2x: Prevent load reordering in tx completion processing
net: phy: sfp: hwmon: Fix scaling of RX power
net: sched: verify that q!=NULL before setting q->flags
chelsio: Fix a typo in a function name
allocate_flower_entry: should check for null deref
net: hns3: typo in the name of a constant
kbuild: add net/netfilter/nf_tables_offload.h to header-test blacklist.
tipc: Fix a typo
mac80211: don't warn about CW params when not using them
mac80211: fix possible memory leak in ieee80211_assign_beacon
nl80211: fix NL80211_HE_MAX_CAPABILITY_LEN
nl80211: fix VENDOR_CMD_RAW_DATA
...
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Intel VT-d driver was reworked to use common deferred flushing
implementation. Previously there was one global per-cpu flush queue,
afterwards - one per domain.
Before deferring a flush, the queue should be allocated and initialized.
Currently only domains with IOMMU_DOMAIN_DMA type initialize their flush
queue. It's probably worth to init it for static or unmanaged domains
too, but it may be arguable - I'm leaving it to iommu folks.
Prevent queuing an iova flush if the domain doesn't have a queue.
The defensive check seems to be worth to keep even if queue would be
initialized for all kinds of domains. And is easy backportable.
On 4.19.43 stable kernel it has a user-visible effect: previously for
devices in si domain there were crashes, on sata devices:
BUG: spinlock bad magic on CPU#6, swapper/0/1
lock: 0xffff88844f582008, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
CPU: 6 PID: 1 Comm: swapper/0 Not tainted 4.19.43 #1
Call Trace:
<IRQ>
dump_stack+0x61/0x7e
spin_bug+0x9d/0xa3
do_raw_spin_lock+0x22/0x8e
_raw_spin_lock_irqsave+0x32/0x3a
queue_iova+0x45/0x115
intel_unmap+0x107/0x113
intel_unmap_sg+0x6b/0x76
__ata_qc_complete+0x7f/0x103
ata_qc_complete+0x9b/0x26a
ata_qc_complete_multiple+0xd0/0xe3
ahci_handle_port_interrupt+0x3ee/0x48a
ahci_handle_port_intr+0x73/0xa9
ahci_single_level_irq_intr+0x40/0x60
__handle_irq_event_percpu+0x7f/0x19a
handle_irq_event_percpu+0x32/0x72
handle_irq_event+0x38/0x56
handle_edge_irq+0x102/0x121
handle_irq+0x147/0x15c
do_IRQ+0x66/0xf2
common_interrupt+0xf/0xf
RIP: 0010:__do_softirq+0x8c/0x2df
The same for usb devices that use ehci-pci:
BUG: spinlock bad magic on CPU#0, swapper/0/1
lock: 0xffff88844f402008, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.19.43 #4
Call Trace:
<IRQ>
dump_stack+0x61/0x7e
spin_bug+0x9d/0xa3
do_raw_spin_lock+0x22/0x8e
_raw_spin_lock_irqsave+0x32/0x3a
queue_iova+0x77/0x145
intel_unmap+0x107/0x113
intel_unmap_page+0xe/0x10
usb_hcd_unmap_urb_setup_for_dma+0x53/0x9d
usb_hcd_unmap_urb_for_dma+0x17/0x100
unmap_urb_for_dma+0x22/0x24
__usb_hcd_giveback_urb+0x51/0xc3
usb_giveback_urb_bh+0x97/0xde
tasklet_action_common.isra.4+0x5f/0xa1
tasklet_action+0x2d/0x30
__do_softirq+0x138/0x2df
irq_exit+0x7d/0x8b
smp_apic_timer_interrupt+0x10f/0x151
apic_timer_interrupt+0xf/0x20
</IRQ>
RIP: 0010:_raw_spin_unlock_irqrestore+0x17/0x39
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Lu Baolu <baolu.lu@linux.intel.com>
Cc: iommu@lists.linux-foundation.org
Cc: <stable@vger.kernel.org> # 4.14+
Fixes: 13cf01744608 ("iommu/vt-d: Make use of iova deferred flushing")
Signed-off-by: Dmitry Safonov <dima@arista.com>
Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
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By default, if a caller sets REQ_NOWAIT and we need to block, we'll
return -EAGAIN through the bio->bi_end_io() callback. For some use
cases, this makes it hard to use.
Allow a caller to ask for inline return of errors related to
blocking by also setting REQ_NOWAIT_INLINE.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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A small cleanup: this callback is never used.
Originally fixed by Stanislav Kinsburskiy <skinsbursky@virtuozzo.com>
for OpenVZ7 bug OVZ-6877
cc: stanislav.kinsburskiy@gmail.com
Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull NTB updates from Jon Mason:
"New feature to add support for NTB virtual MSI interrupts, the ability
to test and use this feature in the NTB transport layer.
Also, bug fixes for the AMD and Switchtec drivers, as well as some
general patches"
* tag 'ntb-5.3' of git://github.com/jonmason/ntb: (22 commits)
NTB: Describe the ntb_msi_test client in the documentation.
NTB: Add MSI interrupt support to ntb_transport
NTB: Add ntb_msi_test support to ntb_test
NTB: Introduce NTB MSI Test Client
NTB: Introduce MSI library
NTB: Rename ntb.c to support multiple source files in the module
NTB: Introduce functions to calculate multi-port resource index
NTB: Introduce helper functions to calculate logical port number
PCI/switchtec: Add module parameter to request more interrupts
PCI/MSI: Support allocating virtual MSI interrupts
ntb_hw_switchtec: Fix setup MW with failure bug
ntb_hw_switchtec: Skip unnecessary re-setup of shared memory window for crosslink case
ntb_hw_switchtec: Remove redundant steps of switchtec_ntb_reinit_peer() function
NTB: correct ntb_dev_ops and ntb_dev comment typos
NTB: amd: Silence shift wrapping warning in amd_ntb_db_vector_mask()
ntb_hw_switchtec: potential shift wrapping bug in switchtec_ntb_init_sndev()
NTB: ntb_transport: Ensure qp->tx_mw_dma_addr is initaliazed
NTB: ntb_hw_amd: set peer limit register
NTB: ntb_perf: Clear stale values in doorbell and command SPAD register
NTB: ntb_perf: Disable NTB link after clearing peer XLAT registers
...
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Pull dma-mapping fixes from Christoph Hellwig:
"Fix various regressions:
- force unencrypted dma-coherent buffers if encryption bit can't fit
into the dma coherent mask (Tom Lendacky)
- avoid limiting request size if swiotlb is not used (me)
- fix swiotlb handling in dma_direct_sync_sg_for_cpu/device (Fugang
Duan)"
* tag 'dma-mapping-5.3-1' of git://git.infradead.org/users/hch/dma-mapping:
dma-direct: correct the physical addr in dma_direct_sync_sg_for_cpu/device
dma-direct: only limit the mapping size if swiotlb could be used
dma-mapping: add a dma_addressing_limited helper
dma-direct: Force unencrypted DMA under SME for certain DMA masks
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core fixes from Thomas Gleixner:
- A collection of objtool fixes which address recent fallout partially
exposed by newer toolchains, clang, BPF and general code changes.
- Force USER_DS for user stack traces
[ Note: the "objtool fixes" are not all to objtool itself, but for
kernel code that triggers objtool warnings.
Things like missing function size annotations, or code that confuses
the unwinder etc. - Linus]
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits)
objtool: Support conditional retpolines
objtool: Convert insn type to enum
objtool: Fix seg fault on bad switch table entry
objtool: Support repeated uses of the same C jump table
objtool: Refactor jump table code
objtool: Refactor sibling call detection logic
objtool: Do frame pointer check before dead end check
objtool: Change dead_end_function() to return boolean
objtool: Warn on zero-length functions
objtool: Refactor function alias logic
objtool: Track original function across branches
objtool: Add mcsafe_handle_tail() to the uaccess safe list
bpf: Disable GCC -fgcse optimization for ___bpf_prog_run()
x86/uaccess: Remove redundant CLACs in getuser/putuser error paths
x86/uaccess: Don't leak AC flag into fentry from mcsafe_handle_tail()
x86/uaccess: Remove ELF function annotation from copy_user_handle_tail()
x86/head/64: Annotate start_cpu0() as non-callable
x86/entry: Fix thunk function ELF sizes
x86/kvm: Don't call kvm_spurious_fault() from .fixup
x86/kvm: Replace vmx_vmenter()'s call to kvm_spurious_fault() with UD2
...
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Pull more KVM updates from Paolo Bonzini:
"Mostly bugfixes, but also:
- s390 support for KVM selftests
- LAPIC timer offloading to housekeeping CPUs
- Extend an s390 optimization for overcommitted hosts to all
architectures
- Debugging cleanups and improvements"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (25 commits)
KVM: x86: Add fixed counters to PMU filter
KVM: nVMX: do not use dangling shadow VMCS after guest reset
KVM: VMX: dump VMCS on failed entry
KVM: x86/vPMU: refine kvm_pmu err msg when event creation failed
KVM: s390: Use kvm_vcpu_wake_up in kvm_s390_vcpu_wakeup
KVM: Boost vCPUs that are delivering interrupts
KVM: selftests: Remove superfluous define from vmx.c
KVM: SVM: Fix detection of AMD Errata 1096
KVM: LAPIC: Inject timer interrupt via posted interrupt
KVM: LAPIC: Make lapic timer unpinned
KVM: x86/vPMU: reset pmc->counter to 0 for pmu fixed_counters
KVM: nVMX: Ignore segment base for VMX memory operand when segment not FS or GS
kvm: x86: ioapic and apic debug macros cleanup
kvm: x86: some tsc debug cleanup
kvm: vmx: fix coccinelle warnings
x86: kvm: avoid constant-conversion warning
x86: kvm: avoid -Wsometimes-uninitized warning
KVM: x86: expose AVX512_BF16 feature to guest
KVM: selftests: enable pgste option for the linker on s390
KVM: selftests: Move kvm_create_max_vcpus test to generic code
...
|
