Without MMHUB clock gating being enabled then MMHUB will not disconnect
from DF and will result in DF C-state entry can't be accessed during S2idle
suspend, and eventually s0ix entry will be blocked.
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The adev->pm.mutx is already held at the beginning of
amdgpu_dpm_compute_clocks/amdgpu_dpm_enable_uvd/amdgpu_dpm_enable_vce.
But on their calling path, amdgpu_display_bandwidth_update will be
called and thus its sub functions amdgpu_dpm_get_sclk/mclk. They
will then try to acquire the same adev->pm.mutex and deadlock will
occur.
By placing amdgpu_display_bandwidth_update outside of adev->pm.mutex
protection(considering logically they do not need such protection) and
restructuring the call flow accordingly, we can eliminate the deadlock
issue. This comes with no real logics change.
Fixes: 3712e7a494 ("drm/amd/pm: unified lock protections in amdgpu_dpm.c")
Reported-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reported-by: Arthur Marsh <arthur.marsh@internode.on.net>
Link: https://lore.kernel.org/all/9e689fea-6c69-f4b0-8dee-32c4cf7d8f9c@molgen.mpg.de/
BugLink: https://gitlab.freedesktop.org/drm/amd/-/issues/1957
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
When dcn20_clk_src_construct() fails, we need to release clk_src.
Fixes: 6f4e6361c3 ("drm/amd/display: Add Renoir resource (v2)")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
We normally runtime suspend when there are displays attached if they
are in the DPMS off state, however, if something wakes the GPU
we send a hotplug event on resume (in case any displays were connected
while the GPU was in suspend) which can cause userspace to light
up the displays again soon after they were turned off.
Prior to
commit 087451f372 ("drm/amdgpu: use generic fb helpers instead of setting up AMD own's."),
the driver took a runtime pm reference when the fbdev emulation was
enabled because we didn't implement proper shadowing support for
vram access when the device was off so the device never runtime
suspended when there was a console bound. Once that commit landed,
we now utilize the core fb helper implementation which properly
handles the emulation, so runtime pm now suspends in cases where it did
not before. Ultimately, we need to sort out why runtime suspend in not
working in this case for some users, but this should restore similar
behavior to before.
v2: move check into runtime_suspend
v3: wake ups -> wakeups in comment, retain pm_runtime behavior in
runtime_idle callback
Fixes: 087451f372 ("drm/amdgpu: use generic fb helpers instead of setting up AMD own's.")
Link: https://lore.kernel.org/r/20220403132322.51c90903@darkstar.example.org/
Tested-by: Michele Ballabio <ballabio.m@gmail.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Add support to checkpoint/restore GWS (Global Wave Sync) queues.
Signed-off-by: David Yat Sin <david.yatsin@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
dqm->gws_queue_count and pdd->qpd.mapped_gws_queue need to be updated
each time the queue gets evicted.
Fixes: b8020b0304 ("drm/amdkfd: Enable over-subscription with >1 GWS queue")
Signed-off-by: David Yat Sin <david.yatsin@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
commit b4bdc4fbf8 ("soc: sunxi: Deal with the MBUS DMA offsets in a
central place") added a platform device notifier that sets the DMA
offset for all of the display engine frontend and backend devices.
The code applying the offset to DMA buffer physical addresses was then
removed from the backend driver in commit 756668ba68 ("drm/sun4i:
backend: Remove the MBUS quirks"), but the code subtracting PHYS_OFFSET
was left in the frontend driver.
As a result, the offset was applied twice in the frontend driver. This
likely went unnoticed because it only affects specific configurations
(scaling or certain pixel formats) where the frontend is used, on boards
with both one of these older SoCs and more than 1 GB of DRAM.
In addition, the references to PHYS_OFFSET prevent compiling the driver
on architectures where PHYS_OFFSET is not defined.
Fixes: b4bdc4fbf8 ("soc: sunxi: Deal with the MBUS DMA offsets in a central place")
Reviewed-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220424162633.12369-4-samuel@sholland.org
plane_state->uapi.crtc is not what we want to be looking at.
If bigjoiner is used hw.crtc is what tells us what crtc the plane
is supposedly using.
Not an actual problem on current hardware as the only FBC capable
pipe (A) can't be a bigjoiner slave and thus uapi.crtc==hw.crtc
always here. But when we get more FBC instances this will become
actually important.
Fixes: 2e6c99f886 ("drm/i915/fbc: Nuke lots of crap from intel_fbc_state_cache")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220413152852.7336-1-ville.syrjala@linux.intel.com
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
(cherry picked from commit 3e1faae339)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
We have now seen panel (XMG Core 15 e21 laptop) advertizing support
for Intel proprietary eDP backlight control via DPCD registers, but
actually working only with legacy pwm control.
This patch adds panel EDID check for possible HDR static metadata and
Intel proprietary eDP backlight control is used only if that exists.
Missing HDR static metadata is ignored if user specifically asks for
Intel proprietary eDP backlight control via enable_dpcd_backlight
parameter.
v2 :
- Ignore missing HDR static metadata if Intel proprietary eDP
backlight control is forced via i915.enable_dpcd_backlight
- Printout info message if panel is missing HDR static metadata and
support for Intel proprietary eDP backlight control is detected
Fixes: 4a8d79901d ("drm/i915/dp: Enable Intel's HDR backlight interface (only SDR for now)")
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/5284
Cc: Lyude Paul <lyude@redhat.com>
Cc: Mika Kahola <mika.kahola@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Filippo Falezza <filippo.falezza@outlook.it>
Cc: stable@vger.kernel.org
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220413082826.120634-1-jouni.hogander@intel.com
Reviewed-by: Lyude Paul <lyude@redhat.com>
(cherry picked from commit b4b157577c)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Commit 428cb15d5b ("drm/i915: Clean up pre-skl primary plane registers")
introduced DISP_POS_Y and DISP_HEIGHT defines but accidentally set these
their masks to REG_GENMASK(31, 0) instead of REG_GENMASK(31, 16).
This breaks the primary display pane on at least pineview machines, fix
the mask to fix the primary display pane only showing black.
Tested on an Acer One AO532h with an Intel N450 SoC.
Fixes: 428cb15d5b ("drm/i915: Clean up pre-skl primary plane registers")
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220418150936.5499-1-hdegoede@redhat.com
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
(cherry picked from commit 681f8a5c6e)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Merge tag 'sched_urgent_for_v5.18_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Borislav Petkov:
- Fix a corner case when calculating sched runqueue variables
That fix also removes a check for a zero divisor in the code, without
mentioning it. Vincent clarified that it's ok after I whined about it:
https://lore.kernel.org/all/CAKfTPtD2QEyZ6ADd5WrwETMOX0XOwJGnVddt7VHgfURdqgOS-Q@mail.gmail.com/
* tag 'sched_urgent_for_v5.18_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/pelt: Fix attach_entity_load_avg() corner case
- Partly revert a change to our timer_interrupt() that caused lockups with high res
timers disabled.
- Fix a bug in KVM TCE handling that could corrupt kernel memory.
- Two commits fixing Power9/Power10 perf alternative event selection.
Thanks to: Alexey Kardashevskiy, Athira Rajeev, David Gibson, Frederic Barrat, Madhavan
Srinivasan, Miguel Ojeda, Nicholas Piggin.
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Merge tag 'powerpc-5.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Partly revert a change to our timer_interrupt() that caused lockups
with high res timers disabled.
- Fix a bug in KVM TCE handling that could corrupt kernel memory.
- Two commits fixing Power9/Power10 perf alternative event selection.
Thanks to Alexey Kardashevskiy, Athira Rajeev, David Gibson, Frederic
Barrat, Madhavan Srinivasan, Miguel Ojeda, and Nicholas Piggin.
* tag 'powerpc-5.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/perf: Fix 32bit compile
powerpc/perf: Fix power10 event alternatives
powerpc/perf: Fix power9 event alternatives
KVM: PPC: Fix TCE handling for VFIO
powerpc/time: Always set decrementer in timer_interrupt()
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Merge tag 'edac_urgent_for_v5.18_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fix from Borislav Petkov:
- Read the reported error count from the proper register on
synopsys_edac
* tag 'edac_urgent_for_v5.18_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC/synopsys: Read the error count from the correct register
Since commit 559089e0a9 ("vmalloc: replace VM_NO_HUGE_VMAP with
VM_ALLOW_HUGE_VMAP"), the use of hugepage mappings for vmalloc is an
opt-in strategy, because it caused a number of problems that weren't
noticed until x86 enabled it too.
One of the issues was fixed by Nick Piggin in commit 3b8000ae18
("mm/vmalloc: huge vmalloc backing pages should be split rather than
compound"), but I'm still worried about page protection issues, and
VM_FLUSH_RESET_PERMS in particular.
However, like the hash table allocation case (commit f2edd118d02d:
"page_alloc: use vmalloc_huge for large system hash"), the use of
kvmalloc() should be safe from any such games, since the returned
pointer might be a SLUB allocation, and as such no user should
reasonably be using it in any odd ways.
We also know that the allocations are fairly large, since it falls back
to the vmalloc case only when a kmalloc() fails. So using a hugepage
mapping seems both safe and relevant.
This patch does show a weakness in the opt-in strategy: since the opt-in
flag is in the 'vm_flags', not the usual gfp_t allocation flags, very
few of the usual interfaces actually expose it.
That's not much of an issue in this case that already used one of the
fairly specialized low-level vmalloc interfaces for the allocation, but
for a lot of other vmalloc() users that might want to opt in, it's going
to be very inconvenient.
We'll either have to fix any compatibility problems, or expose it in the
gfp flags (__GFP_COMP would have made a lot of sense) to allow normal
vmalloc() users to use hugepage mappings. That said, the cases that
really matter were probably already taken care of by the hash tabel
allocation.
Link: https://lore.kernel.org/all/20220415164413.2727220-1-song@kernel.org/
Link: https://lore.kernel.org/all/CAHk-=whao=iosX1s5Z4SF-ZGa-ebAukJoAdUJFk5SPwnofV+Vg@mail.gmail.com/
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Paul Menzel <pmenzel@molgen.mpg.de>
Cc: Song Liu <songliubraving@fb.com>
Cc: Rick Edgecombe <rick.p.edgecombe@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Use vmalloc_huge() in alloc_large_system_hash() so that large system
hash (>= PMD_SIZE) could benefit from huge pages.
Note that vmalloc_huge only allocates huge pages for systems with
HAVE_ARCH_HUGE_VMALLOC.
Signed-off-by: Song Liu <song@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Rik van Riel <riel@surriel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag '5.18-rc3-ksmbd-fixes' of git://git.samba.org/ksmbd
Pull ksmbd server fixes from Steve French:
- cap maximum sector size reported to avoid mount problems
- reference count fix
- fix filename rename race
* tag '5.18-rc3-ksmbd-fixes' of git://git.samba.org/ksmbd:
ksmbd: set fixed sector size to FS_SECTOR_SIZE_INFORMATION
ksmbd: increment reference count of parent fp
ksmbd: remove filename in ksmbd_file
One fix for an information leak caused by copying a buffer to
userspace without checking for error first in the sr driver.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fix from James Bottomley:
"One fix for an information leak caused by copying a buffer to
userspace without checking for error first in the sr driver"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: sr: Do not leak information in ioctl
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Merge tag 'for-linus-5.18-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"A simple cleanup patch and a refcount fix for Xen on Arm"
* tag 'for-linus-5.18-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
arm/xen: Fix some refcount leaks
xen: Convert kmap() to kmap_local_page()
panel:
- revert of patch that broke panel/bridge issues
dma-buf:
- remove unused header file.
amdgpu:
- partial revert of locking change
radeon:
- fix dma_resv logic inversion
panel:
- pi touchscreen panel init fixes
vc4:
- build fix
- runtime pm refcount fix
vmwgfx:
- refcounting fix
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Merge tag 'drm-fixes-2022-04-23' of git://anongit.freedesktop.org/drm/drm
Pull more drm fixes from Dave Airlie:
"Maarten was away, so Maxine stepped up and sent me the drm-fixes
merge, so no point leaving it for another week.
The big change is an OF revert around bridge/panels, it may have some
driver fallout, but hopefully this revert gets them shook out in the
next week easier.
Otherwise it's a bunch of locking/refcounts across drivers, a radeon
dma_resv logic fix and some raspberry pi panel fixes.
panel:
- revert of patch that broke panel/bridge issues
dma-buf:
- remove unused header file.
amdgpu:
- partial revert of locking change
radeon:
- fix dma_resv logic inversion
panel:
- pi touchscreen panel init fixes
vc4:
- build fix
- runtime pm refcount fix
vmwgfx:
- refcounting fix"
* tag 'drm-fixes-2022-04-23' of git://anongit.freedesktop.org/drm/drm:
drm/amdgpu: partial revert "remove ctx->lock" v2
Revert "drm: of: Lookup if child node has panel or bridge"
Revert "drm: of: Properly try all possible cases for bridge/panel detection"
drm/vc4: Use pm_runtime_resume_and_get to fix pm_runtime_get_sync() usage
drm/vmwgfx: Fix gem refcounting and memory evictions
drm/vc4: Fix build error when CONFIG_DRM_VC4=y && CONFIG_RASPBERRYPI_FIRMWARE=m
drm/panel/raspberrypi-touchscreen: Initialise the bridge in prepare
drm/panel/raspberrypi-touchscreen: Avoid NULL deref if not initialised
dma-buf-map: remove renamed header file
drm/radeon: fix logic inversion in radeon_sync_resv
- a new set of keycodes to be used by marine navigation systems
- minor fixes to omap4-keypad and cypress-sf drivers
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Merge tag 'input-for-v5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- a new set of keycodes to be used by marine navigation systems
- minor fixes to omap4-keypad and cypress-sf drivers
* tag 'input-for-v5.18-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: add Marine Navigation Keycodes
Input: omap4-keypad - fix pm_runtime_get_sync() error checking
Input: cypress-sf - register a callback to disable the regulators
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Merge tag 'block-5.18-2022-04-22' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"Just two small regression fixes for bcache"
* tag 'block-5.18-2022-04-22' of git://git.kernel.dk/linux-block:
bcache: fix wrong bdev parameter when calling bio_alloc_clone() in do_bio_hook()
bcache: put bch_bio_map() back to correct location in journal_write_unlocked()
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Merge tag 'io_uring-5.18-2022-04-22' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"Just two small fixes - one fixing a potential leak for the iovec for
larger requests added in this cycle, and one fixing a theoretical leak
with CQE_SKIP and IOPOLL"
* tag 'io_uring-5.18-2022-04-22' of git://git.kernel.dk/linux-block:
io_uring: fix leaks on IOPOLL and CQE_SKIP
io_uring: free iovec if file assignment fails
- Fix header include for LLVM >= 14 when building with libclang.
- Allow access to 'data_src' for auxtrace in 'perf script' with ARM SPE perf.data
files, fixing processing data with such attributes.
- Fix error message for test case 71 ("Convert perf time to TSC") on s390, where
it is not supported.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v5.18-2022-04-22' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Fix header include for LLVM >= 14 when building with libclang.
- Allow access to 'data_src' for auxtrace in 'perf script' with ARM SPE
perf.data files, fixing processing data with such attributes.
- Fix error message for test case 71 ("Convert perf time to TSC") on
s390, where it is not supported.
* tag 'perf-tools-fixes-for-v5.18-2022-04-22' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
perf test: Fix error message for test case 71 on s390, where it is not supported
perf report: Set PERF_SAMPLE_DATA_SRC bit for Arm SPE event
perf script: Always allow field 'data_src' for auxtrace
perf clang: Fix header include for LLVM >= 14
Add a struct page forward declaration to cacheflush_32.h.
Fixes this build warning:
CC drivers/crypto/xilinx/zynqmp-sha.o
In file included from arch/sparc/include/asm/cacheflush.h:11,
from include/linux/cacheflush.h:5,
from drivers/crypto/xilinx/zynqmp-sha.c:6:
arch/sparc/include/asm/cacheflush_32.h:38:37: warning: 'struct page' declared inside parameter list will not be visible outside of this definition or declaration
38 | void sparc_flush_page_to_ram(struct page *page);
Exposed by commit 0e03b8fd29 ("crypto: xilinx - Turn SHA into a
tristate and allow COMPILE_TEST") but not Fixes: that commit because the
underlying problem is older.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: David S. Miller <davem@davemloft.net>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: sparclinux@vger.kernel.org
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
inversion in radeon, a build and pm refcounting fix for vc4, two reverts
for drm_of_get_bridge that caused a number of regression and a locking
regression for amdgpu.
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Merge tag 'drm-misc-fixes-2022-04-22' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Two fixes for the raspberrypi panel initialisation, one fix for a logic
inversion in radeon, a build and pm refcounting fix for vc4, two reverts
for drm_of_get_bridge that caused a number of regression and a locking
regression for amdgpu.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220422084403.2xrhf3jusdej5yo4@houat
injection testing. Change ext4's fallocate to update consistently
drop set[ug]id bits when an fallocate operation might possibly change
the user-visible contents of a file. Also, improve handling of
potentially invalid values in the the s_overhead_cluster superblock
field to avoid ext4 returning a negative number of free blocks.
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"Fix some syzbot-detected bugs, as well as other bugs found by I/O
injection testing.
Change ext4's fallocate to consistently drop set[ug]id bits when an
fallocate operation might possibly change the user-visible contents of
a file.
Also, improve handling of potentially invalid values in the the
s_overhead_cluster superblock field to avoid ext4 returning a negative
number of free blocks"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
jbd2: fix a potential race while discarding reserved buffers after an abort
ext4: update the cached overhead value in the superblock
ext4: force overhead calculation if the s_overhead_cluster makes no sense
ext4: fix overhead calculation to account for the reserved gdt blocks
ext4, doc: fix incorrect h_reserved size
ext4: limit length to bitmap_maxbytes - blocksize in punch_hole
ext4: fix use-after-free in ext4_search_dir
ext4: fix bug_on in start_this_handle during umount filesystem
ext4: fix symlink file size not match to file content
ext4: fix fallocate to use file_modified to update permissions consistently
A single fix to avoid a NULL pointer dereference in the pata_marvell
driver with adapters not supporting DMA, from Zheyu.
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Merge tag 'ata-5.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ATA fix from Damien Le Moal:
"A single fix to avoid a NULL pointer dereference in the pata_marvell
driver with adapters not supporting DMA, from Zheyu"
* tag 'ata-5.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: pata_marvell: Check the 'bmdma_addr' beforing reading
* Remove 's' & 'u' as valid ISA extension
* Do not allow disabling the base extensions 'i'/'m'/'a'/'c'
x86:
* Fix NMI watchdog in guests on AMD
* Fix for SEV cache incoherency issues
* Don't re-acquire SRCU lock in complete_emulated_io()
* Avoid NULL pointer deref if VM creation fails
* Fix race conditions between APICv disabling and vCPU creation
* Bugfixes for disabling of APICv
* Preserve BSP MSR_KVM_POLL_CONTROL across suspend/resume
selftests:
* Do not use bitfields larger than 32-bits, they differ between GCC and clang
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"The main and larger change here is a workaround for AMD's lack of
cache coherency for encrypted-memory guests.
I have another patch pending, but it's waiting for review from the
architecture maintainers.
RISC-V:
- Remove 's' & 'u' as valid ISA extension
- Do not allow disabling the base extensions 'i'/'m'/'a'/'c'
x86:
- Fix NMI watchdog in guests on AMD
- Fix for SEV cache incoherency issues
- Don't re-acquire SRCU lock in complete_emulated_io()
- Avoid NULL pointer deref if VM creation fails
- Fix race conditions between APICv disabling and vCPU creation
- Bugfixes for disabling of APICv
- Preserve BSP MSR_KVM_POLL_CONTROL across suspend/resume
selftests:
- Do not use bitfields larger than 32-bits, they differ between GCC
and clang"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
kvm: selftests: introduce and use more page size-related constants
kvm: selftests: do not use bitfields larger than 32-bits for PTEs
KVM: SEV: add cache flush to solve SEV cache incoherency issues
KVM: SVM: Flush when freeing encrypted pages even on SME_COHERENT CPUs
KVM: SVM: Simplify and harden helper to flush SEV guest page(s)
KVM: selftests: Silence compiler warning in the kvm_page_table_test
KVM: x86/pmu: Update AMD PMC sample period to fix guest NMI-watchdog
x86/kvm: Preserve BSP MSR_KVM_POLL_CONTROL across suspend/resume
KVM: SPDX style and spelling fixes
KVM: x86: Skip KVM_GUESTDBG_BLOCKIRQ APICv update if APICv is disabled
KVM: x86: Pend KVM_REQ_APICV_UPDATE during vCPU creation to fix a race
KVM: nVMX: Defer APICv updates while L2 is active until L1 is active
KVM: x86: Tag APICv DISABLE inhibit, not ABSENT, if APICv is disabled
KVM: Initialize debugfs_dentry when a VM is created to avoid NULL deref
KVM: Add helpers to wrap vcpu->srcu_idx and yell if it's abused
KVM: RISC-V: Use kvm_vcpu.srcu_idx, drop RISC-V's unnecessary copy
KVM: x86: Don't re-acquire SRCU lock in complete_emulated_io()
RISC-V: KVM: Restrict the extensions that can be disabled
RISC-V: KVM: Remove 's' & 'u' as valid ISA extension
Test case 71 'Convert perf time to TSC' is not supported on s390.
Subtest 71.1 is skipped with the correct message, but subtest 71.2 is
not skipped and fails.
The root cause is function evlist__open() called from
test__perf_time_to_tsc(). evlist__open() returns -ENOENT because the
event cycles:u is not supported by the selected PMU, for example
platform s390 on z/VM or an x86_64 virtual machine.
The PMU driver returns -ENOENT in this case. This error is leads to the
failure.
Fix this by returning TEST_SKIP on -ENOENT.
Output before:
71: Convert perf time to TSC:
71.1: TSC support: Skip (This architecture does not support)
71.2: Perf time to TSC: FAILED!
Output after:
71: Convert perf time to TSC:
71.1: TSC support: Skip (This architecture does not support)
71.2: Perf time to TSC: Skip (perf_read_tsc_conversion is not supported)
This also happens on an x86_64 virtual machine:
# uname -m
x86_64
$ ./perf test -F 71
71: Convert perf time to TSC :
71.1: TSC support : Ok
71.2: Perf time to TSC : FAILED!
$
Committer testing:
Continues to work on x86_64:
$ perf test 71
71: Convert perf time to TSC :
71.1: TSC support : Ok
71.2: Perf time to TSC : Ok
$
Fixes: 290fa68bdc ("perf test tsc: Fix error message when not supported")
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Chengdong Li <chengdongli@tencent.com>
Cc: chengdongli@tencent.com
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Link: https://lore.kernel.org/r/20220420062921.1211825-1-tmricht@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Since commit bb30acae4c ("perf report: Bail out --mem-mode if mem
info is not available") "perf mem report" and "perf report --mem-mode"
don't report result if the PERF_SAMPLE_DATA_SRC bit is missed in sample
type.
The commit ffab487052 ("perf: arm-spe: Fix perf report
--mem-mode") partially fixes the issue. It adds PERF_SAMPLE_DATA_SRC
bit for Arm SPE event, this allows the perf data file generated by
kernel v5.18-rc1 or later version can be reported properly.
On the other hand, perf tool still fails to be backward compatibility
for a data file recorded by an older version's perf which contains Arm
SPE trace data. This patch is a workaround in reporting phase, when
detects ARM SPE PMU event and without PERF_SAMPLE_DATA_SRC bit, it will
force to set the bit in the sample type and give a warning info.
Fixes: bb30acae4c ("perf report: Bail out --mem-mode if mem info is not available")
Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Tested-by: German Gomez <german.gomez@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Link: https://lore.kernel.org/r/20220414123201.842754-1-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
If use command 'perf script -F,+data_src' to dump memory samples with
Arm SPE trace data, it reports error:
# perf script -F,+data_src
Samples for 'dummy:u' event do not have DATA_SRC attribute set. Cannot print 'data_src' field.
This is because the 'dummy:u' event is absent DATA_SRC bit in its sample
type, so if a file contains AUX area tracing data then always allow
field 'data_src' to be selected as an option for perf script.
Fixes: e55ed3423c ("perf arm-spe: Synthesize memory event")
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220417114837.839896-1-leo.yan@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The header TargetRegistry.h has moved in LLVM/clang 14.
Committer notes:
The problem as noticed when building in ubuntu:22.04:
90 98.61 ubuntu:22.04 : FAIL gcc version 11.2.0 (Ubuntu 11.2.0-19ubuntu1)
util/c++/clang.cpp:23:10: fatal error: llvm/Support/TargetRegistry.h: No such file or directory
23 | #include "llvm/Support/TargetRegistry.h"
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
Fixed after applying this patch.
Reported-by: Arnaldo Carvalho de Melo <acme@kernel.org>
Signed-off-by: Guilherme Amadio <amadio@gentoo.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Link: https://twitter.com/GuilhermeAmadio/status/1514970524232921088
Link: http://lore.kernel.org/lkml/Ylp0M/VYgHOxtcnF@gentoo.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Commit 5467801f1f ("gpio: Restrict usage of GPIO chip irq members
before initialization") attempted to fix a race condition that lead to a
NULL pointer, but in the process caused a regression for _AEI/_EVT
declared GPIOs.
This manifests in messages showing deferred probing while trying to
allocate IRQs like so:
amd_gpio AMDI0030:00: Failed to translate GPIO pin 0x0000 to IRQ, err -517
amd_gpio AMDI0030:00: Failed to translate GPIO pin 0x002C to IRQ, err -517
amd_gpio AMDI0030:00: Failed to translate GPIO pin 0x003D to IRQ, err -517
[ .. more of the same .. ]
The code for walking _AEI doesn't handle deferred probing and so this
leads to non-functional GPIO interrupts.
Fix this issue by moving the call to `acpi_gpiochip_request_interrupts`
to occur after gc->irc.initialized is set.
Fixes: 5467801f1f ("gpio: Restrict usage of GPIO chip irq members before initialization")
Link: https://lore.kernel.org/linux-gpio/BL1PR12MB51577A77F000A008AA694675E2EF9@BL1PR12MB5157.namprd12.prod.outlook.com/
Link: https://bugzilla.suse.com/show_bug.cgi?id=1198697
Link: https://bugzilla.kernel.org/show_bug.cgi?id=215850
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1979
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/1976
Reported-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Shreeya Patel <shreeya.patel@collabora.com>
Tested-By: Samuel Čavoj <samuel@cavoj.net>
Tested-By: lukeluk498@gmail.com Link:
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-and-tested-by: Takashi Iwai <tiwai@suse.de>
Cc: Shreeya Patel <shreeya.patel@collabora.com>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* A pair of build fixes for the recent cpuidle driver.
* A fix for systems without sv57 that manifests as a crash early in
boot.
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Merge tag 'riscv-for-linus-5.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes Palmer Dabbelt:
- A pair of build fixes for the recent cpuidle driver
- A fix for systems without sv57 that manifests as a crash
early in boot
* tag 'riscv-for-linus-5.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
RISC-V: cpuidle: fix Kconfig select for RISCV_SBI_CPUIDLE
RISC-V: mm: Fix set_satp_mode() for platform not having Sv57
cpuidle: riscv: support non-SMP config
- Fix PMU event validation in the absence of any event counters
- Fix allmodconfig build using clang in conjunction with binutils
- Fix definitions of pXd_leaf() to handle PROT_NONE entries
- More typo fixes
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"There's no real pattern to the fixes, but the main one fixes our
pmd_leaf() definition to resolve a NULL dereference on the migration
path.
- Fix PMU event validation in the absence of any event counters
- Fix allmodconfig build using clang in conjunction with binutils
- Fix definitions of pXd_leaf() to handle PROT_NONE entries
- More typo fixes"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: mm: fix p?d_leaf()
arm64: fix typos in comments
arm64: Improve HAVE_DYNAMIC_FTRACE_WITH_REGS selection for clang
arm_pmu: Validate single/group leader events
The of_find_compatible_node() function returns a node pointer with
refcount incremented, We should use of_node_put() on it when done
Add the missing of_node_put() to release the refcount.
Fixes: 9b08aaa319 ("ARM: XEN: Move xen_early_init() before efi_init()")
Fixes: b2371587fe ("arm/xen: Read extended regions from DT and init Xen resource")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Stefano Stabellini <stefano.stabellini@xilinx.com>
- Fix the test suite build for kmem_cache_alloc_lru()
- Fix a rare race between split and load
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Merge tag 'xarray-5.18a' of git://git.infradead.org/users/willy/xarray
Pull xarray fixes from Matthew Wilcox:
"Syzbot found a nasty race between large page splitting and page
lookup. Details in the commit log, but fortunately it has a reliable
reproducer. I thought it better to send this one to you straight away.
Also fix the test suite build for kmem_cache_alloc_lru()"
* tag 'xarray-5.18a' of git://git.infradead.org/users/willy/xarray:
XArray: Disallow sibling entries of nodes
tools: Add kmem_cache_alloc_lru()
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Merge tag '5.18-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Four fixes, two of them for stable:
- fcollapse fix
- reconnect lock fix
- DFS oops fix
- minor cleanup patch"
* tag '5.18-rc3-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: destage any unwritten data to the server before calling copychunk_write
cifs: use correct lock type in cifs_reconnect()
cifs: fix NULL ptr dereference in refresh_mounts()
cifs: Use kzalloc instead of kmalloc/memset
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Merge tag 'fs.fixes.v5.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull mount_setattr fix from Christian Brauner:
"The recent cleanup in e257039f0f ("mount_setattr(): clean the
control flow and calling conventions") switched the mount attribute
codepaths from do-while to for loops as they are more idiomatic when
walking mounts.
However, we did originally choose do-while constructs because if we
request a mount or mount tree to be made read-only we need to hold
writers in the following way: The mount attribute code will grab
lock_mount_hash() and then call mnt_hold_writers() which will
_unconditionally_ set MNT_WRITE_HOLD on the mount.
Any callers that need write access have to call mnt_want_write(). They
will immediately see that MNT_WRITE_HOLD is set on the mount and the
caller will then either spin (on non-preempt-rt) or wait on
lock_mount_hash() (on preempt-rt).
The fact that MNT_WRITE_HOLD is set unconditionally means that once
mnt_hold_writers() returns we need to _always_ pair it with
mnt_unhold_writers() in both the failure and success paths.
The do-while constructs did take care of this. But Al's change to a
for loop in the failure path stops on the first mount we failed to
change mount attributes _without_ going into the loop to call
mnt_unhold_writers().
This in turn means that once we failed to make a mount read-only via
mount_setattr() - i.e. there are already writers on that mount - we
will block any writers indefinitely. Fix this by ensuring that the for
loop always unsets MNT_WRITE_HOLD including the first mount we failed
to change to read-only. Also sprinkle a few comments into the cleanup
code to remind people about what is happening including myself. After
all, I didn't catch it during review.
This is only relevant on mainline and was reported by syzbot. Details
about the syzbot reports are all in the commit message"
* tag 'fs.fixes.v5.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
fs: unset MNT_WRITE_HOLD on failure
At this time, the majority of changes are for pending ASoC fixes while
a few usual HD-audio and USB-audio quirks are found. Almost all
patches are small device-specific fixes, and nothing worrisome stands
out, so far.
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Merge tag 'sound-5.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"At this time, the majority of changes are for pending ASoC fixes while
a few usual HD-audio and USB-audio quirks are found.
Almost all patches are small device-specific fixes, and nothing
worrisome stands out, so far"
* tag 'sound-5.18-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (37 commits)
ALSA: hda/realtek: Add quirk for Clevo NP70PNP
ALSA: hda: intel-dsp-config: Add RaptorLake PCI IDs
ALSA: hda/realtek: Enable mute/micmute LEDs and limit mic boost on EliteBook 845/865 G9
ALSA: usb-audio: Clear MIDI port active flag after draining
ALSA: usb-audio: add mapping for MSI MAG X570S Torpedo MAX.
ALSA: hda/i915: Fix one too many pci_dev_put()
ALSA: hda/hdmi: add HDMI codec VID for Raptorlake-P
ALSA: hda/hdmi: fix warning about PCM count when used with SOF
sound/oss/dmasound: fix 'dmasound_setup' defined but not used
firmware: cs_dsp: Fix overrun of unterminated control name string
ASoC: codecs: Fix an error handling path in (rx|tx|va)_macro_probe()
ASoC: Intel: sof_es8336: Add a quirk for Huawei Matebook D15
ASoC: Intel: sof_es8336: add a quirk for headset at mic1 port
ASoC: Intel: sof_es8336: support a separate gpio to control headphone
ASoC: Intel: sof_es8336: simplify speaker gpio naming
ASoC: wm8731: Disable the regulator when probing fails
ASoC: Intel: soc-acpi: correct device endpoints for max98373
ASoC: codecs: wcd934x: do not switch off SIDO Buck when codec is in use
ASoC: SOF: topology: Fix memory leak in sof_control_load()
ASoC: SOF: topology: cleanup dailinks on widget unload
...
There is a race between xas_split() and xas_load() which can result in
the wrong page being returned, and thus data corruption. Fortunately,
it's hard to hit (syzbot took three months to find it) and often guarded
with VM_BUG_ON().
The anatomy of this race is:
thread A thread B
order-9 page is stored at index 0x200
lookup of page at index 0x274
page split starts
load of sibling entry at offset 9
stores nodes at offsets 8-15
load of entry at offset 8
The entry at offset 8 turns out to be a node, and so we descend into it,
and load the page at index 0x234 instead of 0x274. This is hard to fix
on the split side; we could replace the entire node that contains the
order-9 page instead of replacing the eight entries. Fixing it on
the lookup side is easier; just disallow sibling entries that point
to nodes. This cannot ever be a useful thing as the descent would not
know the correct offset to use within the new node.
The test suite continues to pass, but I have not added a new test for
this bug.
Reported-by: syzbot+cf4cf13056f85dec2c40@syzkaller.appspotmail.com
Tested-by: syzbot+cf4cf13056f85dec2c40@syzkaller.appspotmail.com
Fixes: 6b24ca4a1a ("mm: Use multi-index entries in the page cache")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Turn kmem_cache_alloc() into a wrapper around kmem_cache_alloc_lru().
Fixes: 9bbdc0f324 ("xarray: use kmem_cache_alloc_lru to allocate xa_node")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reported-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Reported-by: Li Wang <liwang@redhat.com>
Merge misc fixes from Andrew Morton:
"13 patches.
Subsystems affected by this patch series: mm (memory-failure, memcg,
userfaultfd, hugetlbfs, mremap, oom-kill, kasan, hmm), and kcov"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm/mmu_notifier.c: fix race in mmu_interval_notifier_remove()
kcov: don't generate a warning on vm_insert_page()'s failure
MAINTAINERS: add Vincenzo Frascino to KASAN reviewers
oom_kill.c: futex: delay the OOM reaper to allow time for proper futex cleanup
selftest/vm: add skip support to mremap_test
selftest/vm: support xfail in mremap_test
selftest/vm: verify remap destination address in mremap_test
selftest/vm: verify mmap addr in mremap_test
mm, hugetlb: allow for "high" userspace addresses
userfaultfd: mark uffd_wp regardless of VM_WRITE flag
memcg: sync flush only if periodic flush is delayed
mm/memory-failure.c: skip huge_zero_page in memory_failure()
mm/hwpoison: fix race between hugetlb free/demotion and memory_failure_hugetlb()
