The driver is now built only when MACH_AMS_DELTA is selected, which
requires a very specific selection of ARCH settings. As a consequence, it
gets very little attention from build-bots, if not none.
Drop the driver dependency on <asm/mach-types.h>, no longer required since
conversion to snd_soc_register_card() and drop of machine_is_ams_delta().
With that in place, allow the driver to be built in any environment as
long as COMPILE_TEST is selected. Take care of not selecting
SND_SOC_OMAP_MCBSP if COMMON_CLK is not selected.
Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Link: https://lore.kernel.org/r/20231008135601.542356-1-jmkrzyszt@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Merge series from Uwe Kleine-König <u.kleine-koenig@pengutronix.de>:
This is another series to convert ASoC drivers to use struct
platform_driver:remove_new(). The rockchip one was already send before
but with a wrong subject prefix, the cs42l43 driver is newer than the
last series. The remaining five patches are for driver combos that my
coccinelle patch failed to detect before.
I have a board (RK3588 based) that sets the sysclk to 12287999. The
es8328 driver fails to match this to the 12288000 rate and fails to
load. Allow the rate comparison to work if the frequency is within
100hz by dividing it by 100 and rounding it, then multiplying it back
by 100.
Note the 100hz value was chosen arbitrarily by me, but it has only
been tested with a 1hz difference.
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Link: https://lore.kernel.org/r/20231020171539.65513-1-macroalpha82@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
uniphier_aio_remove() returned zero unconditionally. Make it return
void instead and convert all users to struct
platform_device::remove_new().
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20231013221945.1489203-16-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
asoc_qcom_lpass_cpu_platform_remove() returned zero unconditionally.
Make it return void instead and convert all users to struct
platform_device::remove_new().
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20231013221945.1489203-15-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
meson_card_remove() returned zero unconditionally. Make it return void
instead and convert all users to struct platform_device::remove_new().
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20231013221945.1489203-14-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
simple_util_remove() returned zero unconditionally. Make it return void
instead and convert all users to struct platform_device::remove_new().
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Herve Codina <herve.codina@bootlin.com>
Link: https://lore.kernel.org/r/20231013221945.1489203-13-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20231013221945.1489203-12-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is ignored (apart
from emitting a warning) and this typically results in resource leaks.
To improve here there is a quest to make the remove callback return
void. In the first step of this quest all drivers are converted to
.remove_new(), which already returns void. Eventually after all drivers
are converted, .remove_new() will be renamed to .remove().
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20231013221945.1489203-11-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20231013221945.1489203-10-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Pull EFI fixes from Ard Biesheuvel:
"The boot_params pointer fix uses a somewhat ugly extern struct
declaration but this will be cleaned up the next cycle.
- don't try to print warnings to the console when it is no longer
available
- fix theoretical memory leak in SSDT override handling
- make sure that the boot_params global variable is set before the
KASLR code attempts to hash it for 'randomness'
- avoid soft lockups in the memory acceptance code"
* tag 'efi-fixes-for-v6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi/unaccepted: Fix soft lockups caused by parallel memory acceptance
x86/boot: efistub: Assign global boot_params variable
efi: fix memory leak in krealloc failure handling
x86/efistub: Don't try to print after ExitBootService()
Pull powerpc fixes from Michael Ellerman:
- Fix stale propagated yield_cpu in qspinlocks leading to lockups
- Fix broken hugepages on some configs due to ARCH_FORCE_MAX_ORDER
- Fix a spurious warning when copros are in use at exit time
Thanks to Nicholas Piggin, Christophe Leroy, Nysal Jan K.A Sachin Sant,
and Shrikanth Hegde.
* tag 'powerpc-6.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/qspinlock: Fix stale propagated yield_cpu
powerpc/64s/radix: Don't warn on copros in radix__tlb_flush()
powerpc/mm: Allow ARCH_FORCE_MAX_ORDER up to 12
Pull gpio fixes from Bartosz Golaszewski:
- fix interrupt handling in suspend and wakeup in gpio-vf610
- fix a bug on setting direction to output in gpio-vf610
- add a missing memset() in gpio ACPI code
* tag 'gpio-fixes-for-v6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpiolib: acpi: Add missing memset(0) to acpi_get_gpiod_from_data()
gpio: vf610: set value before the direction to avoid a glitch
gpio: vf610: mask the gpio irq in system suspend and support wakeup
Pull scheduler fix from Ingo Molnar:
"Fix a recently introduced use-after-free bug"
* tag 'sched-urgent-2023-10-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/eevdf: Fix heap corruption more
Pull perf events fix from Ingo Molnar:
"Fix group event semantics"
* tag 'perf-urgent-2023-10-21' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf: Disallow mis-matched inherited group reads
Pull probes fixes from Masami Hiramatsu:
- kprobe-events: Fix kprobe events to reject if the attached symbol is
not unique name because it may not the function which the user want
to attach to. (User can attach a probe to such symbol using the
nearest unique symbol + offset.)
- selftest: Add a testcase to ensure the kprobe event rejects non
unique symbol correctly.
* tag 'probes-fixes-v6.6-rc6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
selftests/ftrace: Add new test case which checks non unique symbol
tracing/kprobes: Return EADDRNOTAVAIL when func matches several symbols
Pull s390 fixes from Vasily Gorbik:
- Fix IOMMU bitmap allocation in s390 PCI to avoid out of bounds access
when IOMMU pages aren't a multiple of 64
- Fix kasan crashes when accessing DCSS mapping in memory holes by
adding corresponding kasan zero shadow mappings
- Fix a memory leak in css_alloc_subchannel in case
dma_set_coherent_mask fails
* tag 's390-6.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/pci: fix iommu bitmap allocation
s390/kasan: handle DCSS mapping in memory holes
s390/cio: fix a memleak in css_alloc_subchannel
Pull x86 platform driver fixes from Hans de Goede:
- Fix spurious brightness down presses on newer Asus laptop models
- Fix backlight control not working on T2 Mac Pro all-in-ones
- Add Armin Wolf as new maintainer for the WMI bus driver and change
its status from orphaned to maintained
- A few other small fixes
* tag 'platform-drivers-x86-v6.6-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/mellanox: mlxbf-tmfifo: Fix a warning message
apple-gmux: Hard Code max brightness for MMIO gmux
platform/surface: platform_profile: Propagate error if profile registration fails
platform/x86: asus-wmi: Map 0x2a code, Ignore 0x2b and 0x2c events
platform/x86: asus-wmi: Only map brightness codes when using asus-wmi backlight control
platform/x86: asus-wmi: Change ASUS_WMI_BRN_DOWN code from 0x20 to 0x2e
platform/x86: wmi: Update MAINTAINERS entry
platform/x86: msi-ec: Fix the 3rd config
platform/x86: intel-uncore-freq: Conditionally create attribute for read frequency
platform: mellanox: Fix a resource leak in an error handling path in probing flow
Pull USB / Thunderbolt fixes and ids from Greg KH:
"Here are four small patches for USB and Thunderbolt for 6.6-rc7 that
do the following:
- new usb-serial device ids
- thunderbolt driver fix for reported issue
All of these have been in linux-next with no reported problems"
* tag 'usb-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: serial: option: add Fibocom to DELL custom modem FM101R-GL
USB: serial: option: add entry for Sierra EM9191 with new firmware
USB: serial: option: add Telit LE910C4-WWX 0x1035 composition
thunderbolt: Call tb_switch_put() once DisplayPort bandwidth request is finished
Pull crypto fix from Herbert Xu:
"Fix a 6.5 regression in crypto/asymmetric_keys"
* tag 'v6.6-p5' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
KEYS: asymmetric: Fix sign/verify on pkcs1pad without a hash
Pull iomap fix from Darrick Wong:
- Fix a bug where a writev consisting of a bunch of sub-fsblock writes
where the last buffer address is invalid could lead to an infinite
loop
* tag 'iomap-6.6-fixes-5' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
iomap: fix short copy in iomap_write_iter()
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Fix regression in reading scale and unit files from sysfs for PMU
events, so that we can use that info to pretty print instead of
printing raw numbers:
# perf stat -e power/energy-ram/,power/energy-gpu/ sleep 2
Performance counter stats for 'system wide':
1.64 Joules power/energy-ram/
0.20 Joules power/energy-gpu/
2.001228914 seconds time elapsed
#
# grep -m1 "model name" /proc/cpuinfo
model name : Intel(R) Core(TM) i7-8650U CPU @ 1.90GHz
#
- The small llvm.cpp file used to check if the llvm devel files are
present was incorrectly deleted when removing the BPF event in 'perf
trace', put it back as it is also used by tools/bpf/bpftool, that
uses llvm routines to do disassembly of BPF object files.
- Fix use of addr_location__exit() in dlfilter__object_code(), making
sure that it is only used to pair a previous addr_location__init()
call.
* tag 'perf-tools-fixes-for-v6.6-2-2023-10-20' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
tools build: Fix llvm feature detection, still used by bpftool
perf dlfilter: Add a test for object_code()
perf dlfilter: Fix use of addr_location__exit() in dlfilter__object_code()
perf pmu: Fix perf stat output with correct scale and unit
Pull Kselftest fix from Shuah Khan:
"One single fix to assert check in user_events abi_test to properly
check bit value on Big Endian architectures. The code treated the bit
values as Little Endian and the check failed on Big Endian"
* tag 'linux_kselftest_active-fixes-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/user_events: Fix abi_test for BE archs
Pull NFS client fixes from Anna Schumaker:
"Stable Fix:
- Fix a pNFS hang in nfs4_evict_inode()
Fixes:
- Force update of suid/sgid bits after an NFS v4.2 ALLOCATE op
- Fix a potential oops in nfs_inode_remove_request()
- Check the validity of the layout pointer in ff_layout_mirror_prepare_stats()
- Fix incorrectly marking the pNFS MDS with USE_PNFS_DS in some cases"
* tag 'nfs-for-6.6-4' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFSv4.1: fixup use EXCHGID4_FLAG_USE_PNFS_DS for DS server
pNFS/flexfiles: Check the layout validity in ff_layout_mirror_prepare_stats
pNFS: Fix a hang in nfs4_evict_inode()
NFS: Fix potential oops in nfs_inode_remove_request()
nfs42: client needs to strip file mode's suid/sgid bit after ALLOCATE op
Pull fanotify fix from Jan Kara:
"Disable superblock / mount marks for filesystems that can encode file
handles but not open them (currently only overlayfs).
It is not clear the functionality is useful in any way so let's better
disable it before someone comes up with some creative misuse"
* tag 'fsnotify_for_v6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fanotify: limit reporting of event with non-decodeable file handles
Pull ACPI fixes from Rafael Wysocki:
"These fix the ACPI initialization ordering on ARM and ACPI IRQ
management in the cases when irq_create_fwspec_mapping() fails.
Specifics:
- Fix ACPI initialization ordering on ARM that was changed
incorrectly during the 6.5 development cycle (Hanjun Guo)
- Make acpi_register_gsi() return an error code as appropriate when
irq_create_fwspec_mapping() returns 0 on failure (Sunil V L)"
* tag 'acpi-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: bus: Move acpi_arm_init() to the place of after acpi_ghes_init()
ACPI: irq: Fix incorrect return value in acpi_register_gsi()
Pull SCSI fixes from James Bottomley:
"Two small fixes, both in drivers.
The mptsas one is really fixing an error path issue where it can leave
the misc driver loaded even though the sas driver fails to initialize"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: qla2xxx: Fix double free of dsd_list during driver load
scsi: mpt3sas: Fix in error path
Pull pin control fixes from Linus Walleij:
- Concurrent register updates in the Qualcomm LPASS pin controller gets
a proper lock.
- revert a mutex fix that was causing problems: contention on the mutex
or something of the sort lead to probe reordering and MMC block
devices start to register in a different order, which unsuspecting
userspace is not ready to handle
* tag 'pinctrl-v6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
Revert "pinctrl: avoid unsafe code pattern in find_pinctrl()"
pinctrl: qcom: lpass-lpi: fix concurrent register updates
Pull MTD fixes from Miquel Raynal:
"In the raw NAND subsystem, the major fix prevents using cached reads
with devices not supporting it. There was two bug reports about this.
Apart from that, three drivers (pl353, arasan and marvell) could
sometimes hide page program failures due to their their own program
page helper not being fully compliant with the specification (many
drivers use the default helpers shared by the core). Adding a missing
check prevents these situation.
Finally, the Qualcomm driver had a broken error path.
In the SPI-NAND subsystem one Micron device used a wrong bitmak
reporting possibly corrupted ECC status.
Finally, the physmap-core got stripped from its map_rom fallback by
mistake, this feature is added back"
* tag 'mtd/fixes-for-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux:
mtd: rawnand: Ensure the nand chip supports cached reads
mtd: rawnand: qcom: Unmap the right resource upon probe failure
mtd: rawnand: pl353: Ensure program page operations are successful
mtd: rawnand: arasan: Ensure program page operations are successful
mtd: spinand: micron: correct bitmask for ecc status
mtd: physmap-core: Restore map_rom fallback
mtd: rawnand: marvell: Ensure program page operations are successful
Pull MMC fixes from Ulf Hansson:
"MMC core:
- Capture correct oemid-bits for eMMC cards
- Fix error propagation for some ioctl commands
- Hold retuning if SDIO is in 1-bit mode
MMC host:
- mtk-sd: Use readl_poll_timeout_atomic to not "schedule while atomic"
- sdhci-msm: Correct minimum number of clocks
- sdhci-pci-gli: Fix LPM negotiation so x86/S0ix SoCs can suspend
- sdhci-sprd: Fix error code in sdhci_sprd_tuning()"
* tag 'mmc-v6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: core: Capture correct oemid-bits for eMMC cards
mmc: mtk-sd: Use readl_poll_timeout_atomic in msdc_reset_hw
mmc: core: Fix error propagation for some ioctl commands
mmc: sdhci-sprd: Fix error code in sdhci_sprd_tuning()
mmc: sdhci-pci-gli: fix LPM negotiation so x86/S0ix SoCs can suspend
mmc: core: sdio: hold retuning if sdio in 1-bit mode
dt-bindings: mmc: sdhci-msm: correct minimum number of clocks
Pull block fixes from Jens Axboe:
"A fix for a regression with sed-opal and saved keys, and outside of
that an NVMe pull request fixing a few minor issues on that front"
* tag 'block-6.6-2023-10-20' of git://git.kernel.dk/linux:
nvme-pci: add BOGUS_NID for Intel 0a54 device
nvmet-auth: complete a request only after freeing the dhchap pointers
nvme: sanitize metadata bounce buffer for reads
block: Fix regression in sed-opal for a saved key.
nvme-auth: use chap->s2 to indicate bidirectional authentication
nvmet-tcp: Fix a possible UAF in queue intialization setup
nvme-rdma: do not try to stop unallocated queues
Pull io_uring fix from Jens Axboe:
"Just a single fix for a bug report that came in, fixing a case where
failure to init a ring with IORING_SETUP_NO_MMAP can trigger a NULL
pointer dereference"
* tag 'io_uring-6.6-2023-10-20' of git://git.kernel.dk/linux:
io_uring: fix crash with IORING_SETUP_NO_MMAP and invalid SQ ring address
Pull sound fixes from Takashi Iwai:
"Still higher volume than wished, but all are driver-specific small
fixes and look safe for this late RC.
The majority of changes are for ASoC, especially for wcd938x driver
and Cirrus codec drivers, while there are other random fixes including
usual HD-audio quirks"
* tag 'sound-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (22 commits)
ASoC: da7219: Correct the process of setting up Gnd switch in AAD
ALSA: hda/realtek - Fixed ASUS platform headset Mic issue
ALSA: hda/realtek: Add quirk for ASUS ROG GU603ZV
ALSA: hda/relatek: Enable Mute LED on HP Laptop 15s-fq5xxx
ASoC: dwc: Fix non-DT instantiation
ASoC: codecs: tas2780: Fix log of failed reset via I2C.
ASoC: rt5650: fix the wrong result of key button
ASoC: cs42l42: Fix missing include of gpio/consumer.h
ASoC: cs42l43: Update values for bias sense
ASoC: dt-bindings: cirrus,cs42l43: Update values for bias sense
ASoC: cs35l56: ASP1 DOUT must default to Hi-Z when not transmitting
ASoC: pxa: fix a memory leak in probe()
ASoC: cs35l56: Fix illegal use of init_completion()
ASoC: codecs: wcd938x-sdw: fix runtime PM imbalance on probe errors
ASoC: codecs: wcd938x-sdw: fix use after free on driver unbind
ASoC: codecs: wcd938x: fix runtime PM imbalance on remove
ASoC: codecs: wcd938x: fix regulator leaks on probe errors
ASoC: codecs: wcd938x: fix resource leaks on bind errors
ASoC: codecs: wcd938x: fix unbind tear down order
ASoC: codecs: wcd938x: drop bogus bind error handling
...
Pull drm fixes from Dave Airlie:
"Regular fixes for the week, amdgpu, i915, nouveau, with some other
scattered around, nothing major.
amdgpu:
- Fix possible NULL pointer dereference
- Avoid possible BUG_ON in GPUVM updates
- Disable AMD_CTX_PRIORITY_UNSET
i915:
- Fix display issue that was blocking S0ix
- Retry gtt fault when out of fence registers
bridge:
- ti-sn65dsi86: Fix device lifetime
edid:
- Add quirk for BenQ GW2765
ivpu:
- Extend address range for MMU mmap
nouveau:
- DP-connector fixes
- Documentation fixes
panel:
- Move AUX B116XW03 into panel-simple
scheduler:
- Eliminate DRM_SCHED_PRIORITY_UNSET
ttm:
- Fix possible NULL-ptr deref in cleanup
mediatek:
- Correctly free sg_table in gem prime vmap"
* tag 'drm-fixes-2023-10-20' of git://anongit.freedesktop.org/drm/drm:
drm/amdgpu: Reserve fences for VM update
drm/amdgpu: Fix possible null pointer dereference
accel/ivpu: Extend address range for MMU mmap
Revert "accel/ivpu: Use cached buffers for FW loading"
accel/ivpu: Don't enter d0i3 during FLR
drm/i915: Retry gtt fault when out of fence registers
drm/i915/cx0: Only clear/set the Pipe Reset bit of the PHY Lanes Owned
gpu/drm: Eliminate DRM_SCHED_PRIORITY_UNSET
drm/amdgpu: Unset context priority is now invalid
drm/mediatek: Correctly free sg_table in gem prime vmap
drm/edid: add 8 bpc quirk to the BenQ GW2765
drm/ttm: Reorder sys manager cleanup step
drm/nouveau/disp: fix DP capable DSM connectors
drm/nouveau: exec: fix ioctl kernel-doc warning
drm/panel: Move AUX B116XW03 out of panel-edp back to panel-simple
drm/bridge: ti-sn65dsi86: Associate DSI device lifetime with auxiliary device
Michael reported soft lockups on a system that has unaccepted memory.
This occurs when a user attempts to allocate and accept memory on
multiple CPUs simultaneously.
The root cause of the issue is that memory acceptance is serialized with
a spinlock, allowing only one CPU to accept memory at a time. The other
CPUs spin and wait for their turn, leading to starvation and soft lockup
reports.
To address this, the code has been modified to release the spinlock
while accepting memory. This allows for parallel memory acceptance on
multiple CPUs.
A newly introduced "accepting_list" keeps track of which memory is
currently being accepted. This is necessary to prevent parallel
acceptance of the same memory block. If a collision occurs, the lock is
released and the process is retried.
Such collisions should rarely occur. The main path for memory acceptance
is the page allocator, which accepts memory in MAX_ORDER chunks. As long
as MAX_ORDER is equal to or larger than the unit_size, collisions will
never occur because the caller fully owns the memory block being
accepted.
Aside from the page allocator, only memblock and deferered_free_range()
accept memory, but this only happens during boot.
The code has been tested with unit_size == 128MiB to trigger collisions
and validate the retry codepath.
Fixes: 2053bc57f3 ("efi: Add unaccepted memory support")
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reported-by: Michael Roth <michael.roth@amd.com
Reviewed-by: Nikolay Borisov <nik.borisov@suse.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Tested-by: Michael Roth <michael.roth@amd.com>
[ardb: drop unnecessary cpu_relax() call]
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
