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Patch series "kexec_file: print out debugging message if required", v4.
Currently, specifying '-d' on kexec command will print a lot of debugging
informationabout kexec/kdump loading with kexec_load interface.
However, kexec_file_load prints nothing even though '-d' is specified.
It's very inconvenient to debug or analyze the kexec/kdump loading when
something wrong happened with kexec/kdump itself or develper want to check
the kexec/kdump loading.
In this patchset, a kexec_file flag is KEXEC_FILE_DEBUG added and checked
in code. If it's passed in, debugging message of kexec_file code will be
printed out and can be seen from console and dmesg. Otherwise, the
debugging message is printed like beofre when pr_debug() is taken.
Note:
****
=====
1) The code in kexec-tools utility also need be changed to support
passing KEXEC_FILE_DEBUG to kernel when 'kexec -s -d' is specified.
The patch link is here:
=========
[PATCH] kexec_file: add kexec_file flag to support debug printing
http://lists.infradead.org/pipermail/kexec/2023-November/028505.html
2) s390 also has kexec_file code, while I am not sure what debugging
information is necessary. So leave it to s390 developer.
Test:
****
====
Testing was done in v1 on x86_64 and arm64. For v4, tested on x86_64
again. And on x86_64, the printed messages look like below:
--------------------------------------------------------------
kexec measurement buffer for the loaded kernel at 0x207fffe000.
Loaded purgatory at 0x207fff9000
Loaded boot_param, command line and misc at 0x207fff3000 bufsz=0x1180 memsz=0x1180
Loaded 64bit kernel at 0x207c000000 bufsz=0xc88200 memsz=0x3c4a000
Loaded initrd at 0x2079e79000 bufsz=0x2186280 memsz=0x2186280
Final command line is: root=/dev/mapper/fedora_intel--knightslanding--lb--02-root ro
rd.lvm.lv=fedora_intel-knightslanding-lb-02/root console=ttyS0,115200N81 crashkernel=256M
E820 memmap:
0000000000000000-000000000009a3ff (1)
000000000009a400-000000000009ffff (2)
00000000000e0000-00000000000fffff (2)
0000000000100000-000000006ff83fff (1)
000000006ff84000-000000007ac50fff (2)
......
000000207fff6150-000000207fff615f (128)
000000207fff6160-000000207fff714f (1)
000000207fff7150-000000207fff715f (128)
000000207fff7160-000000207fff814f (1)
000000207fff8150-000000207fff815f (128)
000000207fff8160-000000207fffffff (1)
nr_segments = 5
segment[0]: buf=0x000000004e5ece74 bufsz=0x211 mem=0x207fffe000 memsz=0x1000
segment[1]: buf=0x000000009e871498 bufsz=0x4000 mem=0x207fff9000 memsz=0x5000
segment[2]: buf=0x00000000d879f1fe bufsz=0x1180 mem=0x207fff3000 memsz=0x2000
segment[3]: buf=0x000000001101cd86 bufsz=0xc88200 mem=0x207c000000 memsz=0x3c4a000
segment[4]: buf=0x00000000c6e38ac7 bufsz=0x2186280 mem=0x2079e79000 memsz=0x2187000
kexec_file_load: type:0, start:0x207fff91a0 head:0x109e004002 flags:0x8
---------------------------------------------------------------------------
This patch (of 7):
When specifying 'kexec -c -d', kexec_load interface will print loading
information, e.g the regions where kernel/initrd/purgatory/cmdline are
put, the memmap passed to 2nd kernel taken as system RAM ranges, and
printing all contents of struct kexec_segment, etc. These are very
helpful for analyzing or positioning what's happening when kexec/kdump
itself failed. The debugging printing for kexec_load interface is made in
user space utility kexec-tools.
Whereas, with kexec_file_load interface, 'kexec -s -d' print nothing.
Because kexec_file code is mostly implemented in kernel space, and the
debugging printing functionality is missed. It's not convenient when
debugging kexec/kdump loading and jumping with kexec_file_load interface.
Now add KEXEC_FILE_DEBUG to kexec_file flag to control the debugging
message printing. And add global variable kexec_file_dbg_print and macro
kexec_dprintk() to facilitate the printing.
This is a preparation, later kexec_dprintk() will be used to replace the
existing pr_debug(). Once 'kexec -s -d' is specified, it will print out
kexec/kdump loading information. If '-d' is not specified, it regresses
to pr_debug().
Link: https://lkml.kernel.org/r/20231213055747.61826-1-bhe@redhat.com
Link: https://lkml.kernel.org/r/20231213055747.61826-2-bhe@redhat.com
Signed-off-by: Baoquan He <bhe@redhat.com>
Cc: Conor Dooley <conor@kernel.org>
Cc: Joe Perches <joe@perches.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
1st set of IIO new device support, features and cleanup for 6.8
New device support
------------------
adi,hmc425a
* Add support for ADRF5740 attenuators. Minor changes to driver needed
alongside new IDs.
aosong,ags02ma
* New driver for this volatile organic compounds sensor.
bosch,bmp280
* Add BMP390 (small amount of refactoring + ID)
bosch,bmi323
* New driver to support the BMI323 6-axis IMU.
honeywell,hsc030pa
* New driver supporting a huge number of SSC and HSC series pressure and
temperature sensors.
isil,isl76682
* New driver for this simple Ambient Light sensor.
liteon,ltr390
* New driver for this ambient and ultraviolet light sensor.
maxim,max34408
* New driver to support the MAX34408 and MAX34409 current monitoring ADCs.
melexis,mlx90635
* New driver for this Infrared contactless temperature sensor.
mirochip,mcp9600
* New driver for this thermocouple EMF convertor.
ti,hdc3020
* New driver for this integrated relative humidity and temperature
sensor.
vishay,veml6075
* New driver for this UVA and UVB light sensor.
General features
----------------
Device properties
* Add fwnode_property_match_property_string() helper to allow matching
single value property against an array of predefined strings.
* Use fwnode_property_string_array_count() inside
fwnode_property_match_string() instead of open coding the same.
checkpatch.pl
* Add exclusion of __aligned() from a warning reducing false positives
on IIO drivers (and hopefully beyond)
IIO Features
------------
core
* New light channel modifiers for UVA and UVB.
* Add IIO_CHAN_INFO_TROUGH as counterpart to IIO_CHAN_INFO_PEAK so that
we can support device that keep running track of the lowest value they
have seen in similar fashion to the existing peak tracking.
adi,adis library
* Use spi cs inactive delay even when a burst reading is performed.
As it's now used every time, can centralize the handling in the SPI
setup code in the driver.
adi,ad2s1210
* Support for fixed-mode to this resolver driver where the A0 and A1
pins are hard wired to config mode in which case position and config
must be read from appropriate config registers.
* Support reset GPIO if present.
adi,ad5791
* Allow configuration of presence of external amplifier in DT binding.
adi,adis16400
* Add spi-cs-inactive-delay-ns to bindings to allow it to be tweaked
if default delays are not quite enough for a specific board.
adi,adis16475
* Add spi-cs-inactive-delay-ns to bindings to allow it to be tweaked
if default delays are not quite enough for a specific board.
bosch,bmp280
* Enable multiple chip IDs per family of devices.
rohm,bu27008
* Add an illuminance channel calculated from RGB and IR data.
Cleanup
-------
Minor white space, typos and tidy up not explicitly called out.
Core
* Check that the available_scan_masks array passed to the IIO core
by a driver is sensible by ensuring the entries are ordered so the
minimum number of channels is enabled in the earlier entries (as they
will be selected if sufficient for the requested channels).
* Document that the available_scan_masks infrastructure doesn't currently
handle masks that don't fit in a long int.
* Improve intensity documentation to reflect that there is no expectation
of sensible units (it's dependent on a frequency sensitivity curve)
Various
* Use new device_property_match_property_string() to replace open coded
versions of the same thing.
* Fix a few MAINTAINERS filenames.
* i2c_get_match_data() and spi_get_device_match_data() pushed into
more drivers reducing boilerplate handling.
* Some unnecessary headers removed.
* ACPI_PTR() removals. It's rarely worth using this.
adi,ad7091r (early part of a series adding device support - useful in
their own right)
* Pass iio_dev directly an event handler rather than relying
on broken use of dev_get_drvdata() as drvdata is never set in this driver.
* Make sure alert is turned on.
adi,ad9467 (general driver fixing up as precursor to iio-backend proposal
which is under review for 6.9)
* Fix reset gpio handling to match expected polarity.
* Always handle error codes from spi_writes.
* Add a driver instance local mutex to avoid some races.
* Fix scale setting to align with available scale values.
* Split array of chip_info structures up into named individual elements.
* Convert to regmap.
honeywell,mprls0025pa
* Drop now unnecessary type references in DT binding for properties in
pascals.
invensense,mpu6050
* Don't eat a potentially useful return value from regmap_bulk_write()
invensense,icm42600
* Use max macro to improve code readability and save a few lines.
liteon,ltrf216a
* Improve prevision of light intensity.
microchip,mcp3911
* Use cleanup.h magic.
qcom,spmi*
* Fix wrong descriptions of SPMI reg fields in bindings.
Other
----
mailmap
* Update for Matt Ranostay
* tag 'iio-for-6.8a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (83 commits)
iio: adc: ad7091r: Align arguments to function call parenthesis
iio: adc: ad7091r: Set alert bit in config register
iio: adc: ad7091r: Pass iio_dev to event handler
scripts: checkpatch: Add __aligned to the list of attribute notes
iio: chemical: add support for Aosong AGS02MA
dt-bindings: iio: chemical: add aosong,ags02ma
dt-bindings: vendor-prefixes: add aosong
iio: accel: bmi088: update comments and Kconfig
dt-bindings: iio: humidity: Add TI HDC302x support
iio: humidity: Add driver for ti HDC302x humidity sensors
iio: ABI: document temperature and humidity peak/trough raw attributes
iio: core: introduce trough info element for minimum values
iio: light: driver for Lite-On ltr390
dt-bindings: iio: light: add ltr390
iio: light: isl76682: remove unreachable code
iio: pressure: driver for Honeywell HSC/SSC series
dt-bindings: iio: pressure: add honeywell,hsc030
doc: iio: Document intensity scale as poorly defined
dt-bindings: iio: temperature: add MLX90635 device
iio: temperature: mlx90635 MLX90635 IR Temperature sensor
...
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Currently, the 'state' field in 'struct br_port_msg' can be set to 1 if
the MDB entry is permanent or 0 if it is temporary. Additional states
might be added in the future.
In a similar fashion to 'NDA_NDM_STATE_MASK', add an MDB state mask uAPI
attribute that will allow the upcoming bulk deletion API to bulk delete
MDB entries with a certain state or any state.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix spacing, alignment, and repeated words in the documentation.
Reported-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Francois Dugast <francois.dugast@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Move the definition of drm_xe_engine_class_instance to group it with
other engine related structs and to follow the ioctls order.
Reported-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Francois Dugast <francois.dugast@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Replace the license text with its SPDX-License-Identifier for
quick identification of the license and consistency with the
rest of the driver.
Reported-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Francois Dugast <francois.dugast@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Since memory and address spaces are a tile concept rather than a GT
concept, we need to plumb tile-based handling through lots of
memory-related code.
Note that one remaining shortcoming here that will need to be addressed
before media GT support can be re-enabled is that although the address
space is shared between a tile's GTs, each GT caches the PTEs
independently in their own TLB and thus TLB invalidation should be
handled at the GT level.
v2:
- Fix kunit test build.
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/20230601215244.678611-13-matthew.d.roper@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Pad the uAPI definition so that it would align identically between
64-bit and 32-bit uarch, so consumers using this header will work
correctly from 32-bit compat userspace on a 64-bit kernel. Do it
in a minimally invasive way, so that 64-bit userspace will still
work with the previous header, and so that no fields suddenly
change sizes.
Originally inspired by mlankhorst.
Signed-off-by: Christopher Snowhill <kode54@gmail.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Intel Vulkan driver needs to know what is the maximum priority to fill
a device info struct for applications.
Right now we getting this information by creating a engine and setting
priorities from min to high to know what is the maximum priority for
running process but this leads to info messages to be printed to
dmesg:
xe 0000:03:00.0: [drm] Ioctl argument check failed at drivers/gpu/drm/xe/xe_engine.c:178: value == DRM_SCHED_PRIORITY_HIGH && !capable(CAP_SYS_NICE)
It does not cause any harm but when executing a test suite like
crucible it causes thousands of those messages to be printed.
So here adding one more property to drm_xe_query_config to fetch the
max engine priority.
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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All structs and defines had already been renamed to "xe", but some
comments with "i915" were left over. Rename them.
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://lore.kernel.org/r/20230313211628.2492587-1-lucas.demarchi@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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This is intended to get some properties that are of interest of UMDs
like the ban state.
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Engine property get uAPI will be added, so to avoid ambiguity here
renaming XE_ENGINE_PROPERTY_X to XE_ENGINE_SET_PROPERTY_X.
No changes in behavior.
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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https://gitlab.freedesktop.org/drm/msm into drm-next
Updates for v6.8:
Core:
- Add support for SDM670, SM8650
- Handle the CFG interconnect to fix the obscure hangs / timeouts
on register write
- Kconfig fix for QMP dependency
- DT schema fixes
DPU:
- Add support for SDM670, SM8650
- Enable SmartDMA on SM8350 and SM8450
- Correct UBWC settings for SC8280XP
- Fix catalog settings for SC8180X
- Actually make use of the version to switch between QSEED3/3LITE/4
scalers
- Use devres-managed and drm-managed allocations where appropriate
- misc other fixes
- Enabled YUV writeback on SC7280, SM8250
- Enabled writeback on SM8350, SM8450
- CRC fix when encoder is selected as the input source
- other misc fixes
MDP4:
- Use devres-managed and drm-managed allocations where appropriate
- flush vblank event on CRTC disable
MDP5:
- Use devres-managed and drm-managed allocations where appropriate
DP:
- Add support for SM8650
- Enable PM runtime support
- Merge msm-specific debugfs dir with the generic one
- Described DisplayPort on SM8150 in DeviceTree bindings
- Moved dp_display_get_next_bridge() to probe()
DSI:
- Add support for SM8650
- Enable PM runtime support
GPU/GEM:
- demote userspace triggerable warnings to debug
- add GEM object metadata UAPI
- move GPU devcoredumps to GPU device
- fix hangcheck to skip retired submits
- expose UBWC config to userspace
- fix a680 chip-id
- drm_exec conversion
- drm/ci: remove rebase-merge directory (to unblock CI)
[airlied: fix drm_exec/amd interaction]
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGs9auYqmo-7NSd9FsbNBCDf7aBevd=4xkcF3A5G_OGvMQ@mail.gmail.com
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https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.8-2023-12-15:
amdgpu:
- Suspend fixes
- Misc code cleanups
- JPEG fix
- Add AMD specific color management (protected by AMD_PRIVATE_COLOR)
- UHBR13.5 cable fixes
- Misc display fixes
- Display WB fixes
- PSR fixes
- XGMI fix
- ACPI WBRF support for handling potential RF interference from GPU clocks
- Enable tunneling on high priority compute queues
- drm_edid.h include cleanup
- VPE DPM support
- SMU 13 fixes
- Fix possible double frees in error paths
- Misc fixes
amdkfd:
- Support import and export of dma-bufs using GEM handles
- MES shader debugger fixes
- SVM fixes
radeon:
- drm_edid.h include cleanup
- Misc code cleanups
- Fix possible memory leak in error path
drm:
- Increase max objects to accomodate new color props
- Make replace_property_blob_from_id a DRM helper
- Track color management changes per plane
platform-x86:
- Merge immutable branch from Hans for platform dependencies for WBRF to coordinate
merge of WBRF feature across wifi, platform, and GPU
Signed-off-by: Dave Airlie <airlied@redhat.com>
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# gpg: Signature made Sat 16 Dec 2023 04:51:58 AEST
# gpg: using EDDSA key 203B921D836B5735349902BDBDDFF6856BBC99D8
# gpg: Can't check signature: No public key
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231215193519.5040-1-alexander.deucher@amd.com
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Introduces admin commands, as follow:
The "list query" command can be used by the driver to query the
set of admin commands supported by the virtio device.
The "list use" command is used to inform the virtio device which
admin commands the driver will use.
The "legacy common cfg rd/wr" commands are used to read from/write
into the legacy common configuration structure.
The "legacy dev cfg rd/wr" commands are used to read from/write
into the legacy device configuration structure.
The "notify info" command is used to query the notification region
information.
Signed-off-by: Feng Liu <feliu@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Link: https://lore.kernel.org/r/20231219093247.170936-5-yishaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Add support for sending admin command through admin virtqueue interface.
Abort any inflight admin commands once device reset completes. Activate
admin queue when device becomes ready; deactivate on device reset.
To comply to the below specification statement [1], the admin virtqueue
is activated for upper layer users only after setting DRIVER_OK status.
[1] The driver MUST NOT send any buffer available notifications to the
device before setting DRIVER_OK.
Signed-off-by: Feng Liu <feliu@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Link: https://lore.kernel.org/r/20231219093247.170936-4-yishaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Introduce support for the admin virtqueue. By negotiating
VIRTIO_F_ADMIN_VQ feature, driver detects capability and creates one
administration virtqueue. Administration virtqueue implementation in
virtio pci generic layer, enables multiple types of upper layer
drivers such as vfio, net, blk to utilize it.
Signed-off-by: Feng Liu <feliu@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Link: https://lore.kernel.org/r/20231219093247.170936-3-yishaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Introduce VIRTIO_F_ADMIN_VQ which is used for administration virtqueue
support.
Signed-off-by: Feng Liu <feliu@nvidia.com>
Reviewed-by: Parav Pandit <parav@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Link: https://lore.kernel.org/r/20231219093247.170936-2-yishaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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md-faulty has been marked as deprecated for 2.5 years. Remove it.
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Neil Brown <neilb@suse.de>
Cc: Guoqing Jiang <guoqing.jiang@linux.dev>
Cc: Mateusz Grzonka <mateusz.grzonka@intel.com>
Cc: Jes Sorensen <jes@trained-monkey.org>
Signed-off-by: Song Liu <song@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20231214222107.2016042-4-song@kernel.org
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md-multipath has been marked as deprecated for 2.5 years. Remove it.
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Neil Brown <neilb@suse.de>
Cc: Guoqing Jiang <guoqing.jiang@linux.dev>
Cc: Mateusz Grzonka <mateusz.grzonka@intel.com>
Cc: Jes Sorensen <jes@trained-monkey.org>
Signed-off-by: Song Liu <song@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20231214222107.2016042-3-song@kernel.org
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md-linear has been marked as deprecated for 2.5 years. Remove it.
Cc: Christoph Hellwig <hch@lst.de>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Neil Brown <neilb@suse.de>
Cc: Guoqing Jiang <guoqing.jiang@linux.dev>
Cc: Mateusz Grzonka <mateusz.grzonka@intel.com>
Cc: Jes Sorensen <jes@trained-monkey.org>
Signed-off-by: Song Liu <song@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20231214222107.2016042-2-song@kernel.org
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https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:
====================
pull-request: bpf-next 2023-12-19
Hi David, hi Jakub, hi Paolo, hi Eric,
The following pull-request contains BPF updates for your *net-next* tree.
We've added 2 non-merge commits during the last 1 day(s) which contain
a total of 40 files changed, 642 insertions(+), 2926 deletions(-).
The main changes are:
1) Revert all of BPF token-related patches for now as per list discussion [0],
from Andrii Nakryiko.
[0] https://lore.kernel.org/bpf/CAHk-=wg7JuFYwGy=GOMbRCtOL+jwSQsdUaBsRWkDVYbxipbM5A@mail.gmail.com
2) Fix a syzbot-reported use-after-free read in nla_find() triggered from
bpf_skb_get_nlattr_nest() helper, from Jakub Kicinski.
bpf-next-for-netdev
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next:
Revert BPF token-related functionality
bpf: Use nla_ok() instead of checking nla_len directly
====================
Link: https://lore.kernel.org/r/20231219170359.11035-1-daniel@iogearbox.net
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
|
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This patch includes the following revert (one conflicting BPF FS
patch and three token patch sets, represented by merge commits):
- revert 0f5d5454c723 "Merge branch 'bpf-fs-mount-options-parsing-follow-ups'";
- revert 750e785796bb "bpf: Support uid and gid when mounting bpffs";
- revert 733763285acf "Merge branch 'bpf-token-support-in-libbpf-s-bpf-object'";
- revert c35919dcce28 "Merge branch 'bpf-token-and-bpf-fs-based-delegation'".
Link: https://lore.kernel.org/bpf/CAHk-=wg7JuFYwGy=GOMbRCtOL+jwSQsdUaBsRWkDVYbxipbM5A@mail.gmail.com
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
|
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Currently the user listening on a socket for devlink notifications
gets always all messages for all existing instances, even if he is
interested only in one of those. That may cause unnecessary overhead
on setups with thousands of instances present.
User is currently able to narrow down the devlink objects replies
to dump commands by specifying select attributes.
Allow similar approach for notifications. Introduce a new devlink
NOTIFY_FILTER_SET which the user passes the select attributes. Store
these per-socket and use them for filtering messages
during multicast send.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
|
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User will provide a nonce via the INFO ioctl, and will retrieve
the signed device info generated using given nonce.
Signed-off-by: Moti Haimovski <mhaimovski@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
|
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for $kernel-version:
UAPI Changes:
Cross-subsystem Changes:
- A few fixes for usb/typec
Core Changes:
- ci: Updates to the defconfig, igt version, etc.
- writeback: Move the atomic_check helper from the encoder to connector
Driver Changes:
- rockchip: Add support for rk3588
- xe: Update the TODO list
- panel:
- nv3052c: Register documentation, init sequence improvements and
support for the Fascontek FS035VG158
- st7701: Add support for the Anbernic RG-ARC
- new driver: Synaptics R63353 panel controller, Ilitek ILI9805 panel
controller
- new panel: AUO G156HAN04.0
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <mripard@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/aqpn5miejmkks7pbcfex7b6u63uwsruywxsnr3x5ljs45qatin@nbkkej2elk46
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https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Alexei Starovoitov says:
====================
pull-request: bpf-next 2023-12-18
This PR is larger than usual and contains changes in various parts
of the kernel.
The main changes are:
1) Fix kCFI bugs in BPF, from Peter Zijlstra.
End result: all forms of indirect calls from BPF into kernel
and from kernel into BPF work with CFI enabled. This allows BPF
to work with CONFIG_FINEIBT=y.
2) Introduce BPF token object, from Andrii Nakryiko.
It adds an ability to delegate a subset of BPF features from privileged
daemon (e.g., systemd) through special mount options for userns-bound
BPF FS to a trusted unprivileged application. The design accommodates
suggestions from Christian Brauner and Paul Moore.
Example:
$ sudo mkdir -p /sys/fs/bpf/token
$ sudo mount -t bpf bpffs /sys/fs/bpf/token \
-o delegate_cmds=prog_load:MAP_CREATE \
-o delegate_progs=kprobe \
-o delegate_attachs=xdp
3) Various verifier improvements and fixes, from Andrii Nakryiko, Andrei Matei.
- Complete precision tracking support for register spills
- Fix verification of possibly-zero-sized stack accesses
- Fix access to uninit stack slots
- Track aligned STACK_ZERO cases as imprecise spilled registers.
It improves the verifier "instructions processed" metric from single
digit to 50-60% for some programs.
- Fix verifier retval logic
4) Support for VLAN tag in XDP hints, from Larysa Zaremba.
5) Allocate BPF trampoline via bpf_prog_pack mechanism, from Song Liu.
End result: better memory utilization and lower I$ miss for calls to BPF
via BPF trampoline.
6) Fix race between BPF prog accessing inner map and parallel delete,
from Hou Tao.
7) Add bpf_xdp_get_xfrm_state() kfunc, from Daniel Xu.
It allows BPF interact with IPSEC infra. The intent is to support
software RSS (via XDP) for the upcoming ipsec pcpu work.
Experiments on AWS demonstrate single tunnel pcpu ipsec reaching
line rate on 100G ENA nics.
8) Expand bpf_cgrp_storage to support cgroup1 non-attach, from Yafang Shao.
9) BPF file verification via fsverity, from Song Liu.
It allows BPF progs get fsverity digest.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (164 commits)
bpf: Ensure precise is reset to false in __mark_reg_const_zero()
selftests/bpf: Add more uprobe multi fail tests
bpf: Fail uprobe multi link with negative offset
selftests/bpf: Test the release of map btf
s390/bpf: Fix indirect trampoline generation
selftests/bpf: Temporarily disable dummy_struct_ops test on s390
x86/cfi,bpf: Fix bpf_exception_cb() signature
bpf: Fix dtor CFI
cfi: Add CFI_NOSEAL()
x86/cfi,bpf: Fix bpf_struct_ops CFI
x86/cfi,bpf: Fix bpf_callback_t CFI
x86/cfi,bpf: Fix BPF JIT call
cfi: Flip headers
selftests/bpf: Add test for abnormal cnt during multi-kprobe attachment
selftests/bpf: Don't use libbpf_get_error() in kprobe_multi_test
selftests/bpf: Add test for abnormal cnt during multi-uprobe attachment
bpf: Limit the number of kprobes when attaching program to multiple kprobes
bpf: Limit the number of uprobes when attaching program to multiple uprobes
bpf: xdp: Register generic_kfunc_set with XDP programs
selftests/bpf: utilize string values for delegate_xxx mount options
...
====================
Link: https://lore.kernel.org/r/20231219000520.34178-1-alexei.starovoitov@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v6.8
The second features pull request for v6.8. A bigger one this time with
changes both to stack and drivers. We have a new Wifi band RFI (WBRF)
mitigation feature for which we pulled an immutable branch shared with
other subsystems. And, as always, other new features and bug fixes all
over.
Major changes:
cfg80211/mac80211
* AMD ACPI based Wifi band RFI (WBRF) mitigation feature
* Basic Service Set (BSS) usage reporting
* TID to link mapping support
* mac80211 hardware flag to disallow puncturing
iwlwifi
* new debugfs file fw_dbg_clear
mt76
* NVMEM EEPROM improvements
* mt7996 Extremely High Throughpu (EHT) improvements
* mt7996 Wireless Ethernet Dispatcher (WED) support
* mt7996 36-bit DMA support
ath12k
* support one MSI vector
* WCN7850: support AP mode
* tag 'wireless-next-2023-12-18' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (207 commits)
wifi: mt76: mt7996: Use DECLARE_FLEX_ARRAY() and fix -Warray-bounds warnings
wifi: ath11k: workaround too long expansion sparse warnings
Revert "wifi: ath12k: use ATH12K_PCI_IRQ_DP_OFFSET for DP IRQ"
wifi: rt2x00: remove useless code in rt2x00queue_create_tx_descriptor()
wifi: rtw89: only reset BB/RF for existing WiFi 6 chips while starting up
wifi: rtw89: add DBCC H2C to notify firmware the status
wifi: rtw89: mac: add suffix _ax to MAC functions
wifi: rtw89: mac: add flags to check if CMAC and DMAC are enabled
wifi: rtw89: 8922a: add power on/off functions
wifi: rtw89: add XTAL SI for WiFi 7 chips
wifi: rtw89: phy: print out RFK log with formatted string
wifi: rtw89: parse and print out RFK log from C2H events
wifi: rtw89: add C2H event handlers of RFK log and report
wifi: rtw89: load RFK log format string from firmware file
wifi: rtw89: fw: add version field to BB MCU firmware element
wifi: rtw89: fw: load TX power track tables from fw_element
wifi: mwifiex: configure BSSID consistently when starting AP
wifi: mwifiex: add extra delay for firmware ready
wifi: mac80211: sta_info.c: fix sentence grammar
wifi: mac80211: rx.c: fix sentence grammar
...
====================
Link: https://lore.kernel.org/r/20231218163900.C031DC433C9@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
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In the root complex pci endpoint test function driver, change macros and
functions names using the term "legacy" to use "intx" instead to
match the term used in the PCI specifications.
Link: https://lore.kernel.org/r/20231122060406.14695-6-dlemoal@kernel.org
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
|
|
Gen P7 adapters needs to share a toggle bits information received
in kernel driver with the user space. User space needs this
info during the request notify call back to arm the CQ.
User space application can get this page using the
UAPI routines. Library will mmap this page and get the
toggle bits to be used in the next ARM Doorbell.
Uses a hash list to map the CQ structure from the CQ ID.
CQ structure is retrieved from the hash list while the
library calls the UAPI routine to get the toggle page
mapping. Currently the full page is mapped per CQ. This
can be optimized to enable multiple CQs from the same
application share the same page and different offsets
in the page.
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1702535484-26844-3-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
|
|
Gen P7 adapters require to share a toggle value for CQ
and SRQ. This is received by the driver as part of
interrupt notifications and needs to be shared with the
user space. Add a new UAPI infrastructure to get the
shared page for CQ and SRQ.
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1702535484-26844-2-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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|
->size in struct qaic_attach_slice_hdr is redundant since we have BO handle
and its size can be retrieved from base BO structure.
Signed-off-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@quicinc.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231208163457.1295993-2-quic_jhugo@quicinc.com
|
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This Venus capset definition is used by Qemu, and Qemu imports the
kernel protocol header file. Add Venus capset to the VirtIO-GPU protocol.
Signed-off-by: Huang Rui <ray.huang@amd.com>
[dmitry.osipenko@collabora.com: edit commit message]
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230915105918.3763061-1-ray.huang@amd.com
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All of the other constants in this file are defined using enums, so make
the constants more consistent by defining the ioctls in an enum as well.
This is necessary for Rust Binder since the _IO macros are too
complicated for bindgen to see that they expand to integer constants.
Replacing the #defines with an enum forces bindgen to evaluate them
properly, which allows us to access them from Rust.
I originally intended to include this change in the first patch of the
Rust Binder patchset [1], but at plumbers Carlos Llamas told me that
this change has been discussed previously [2] and suggested that I send
it upstream separately.
Link: https://lore.kernel.org/rust-for-linux/20231101-rust-binder-v1-1-08ba9197f637@google.com/ [1]
Link: https://lore.kernel.org/all/YoIK2l6xbQMPGZHy@kroah.com/ [2]
Signed-off-by: Alice Ryhl <aliceryhl@google.com>
Acked-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20231208152801.3425772-1-aliceryhl@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
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For include/uapi/linux/mei.h, correct spellos reported by codespell.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Tomas Winkler <tomas.winkler@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20231213224014.23187-1-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When compiling with gcc version 14.0.0 20231206 (experimental)
and CONFIG_FORTIFY_SOURCE=y, I've noticed the following warning:
...
In function 'fortify_memcpy_chk',
inlined from '__ffs_func_bind_do_os_desc' at drivers/usb/gadget/function/f_fs.c:2934:3:
./include/linux/fortify-string.h:588:25: warning: call to '__read_overflow2_field'
declared with attribute warning: detected read beyond size of field (2nd parameter);
maybe use struct_group()? [-Wattribute-warning]
588 | __read_overflow2_field(q_size_field, size);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
This call to 'memcpy()' is interpreted as an attempt to copy both
'CompatibleID' and 'SubCompatibleID' of 'struct usb_ext_compat_desc'
from an address of the first one, which causes an overread warning.
Since we actually want to copy both of them at once, use the
convenient 'struct_group()' and 'sizeof_field()' here.
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Link: https://lore.kernel.org/r/20231214090428.27292-1-dmantipov@yandex.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We assume in handful of places that the name of the spec is
the same as the name of the family. We could fix that but
it seems like a fair assumption to make. Rename the MPTCP
spec instead.
Reviewed-by: Mat Martineau <martineau@kernel.org>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Cross-merge networking fixes after downstream PR.
Conflicts:
drivers/net/ethernet/intel/iavf/iavf_ethtool.c
3a0b5a2929fd ("iavf: Introduce new state machines for flow director")
95260816b489 ("iavf: use iavf_schedule_aq_request() helper")
https://lore.kernel.org/all/84e12519-04dc-bd80-bc34-8cf50d7898ce@intel.com/
drivers/net/ethernet/broadcom/bnxt/bnxt.c
c13e268c0768 ("bnxt_en: Fix HWTSTAMP_FILTER_ALL packet timestamp logic")
c2f8063309da ("bnxt_en: Refactor RX VLAN acceleration logic.")
a7445d69809f ("bnxt_en: Add support for new RX and TPA_START completion types for P7")
1c7fd6ee2fe4 ("bnxt_en: Rename some macros for the P5 chips")
https://lore.kernel.org/all/20231211110022.27926ad9@canb.auug.org.au/
drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
bd6781c18cb5 ("bnxt_en: Fix wrong return value check in bnxt_close_nic()")
84793a499578 ("bnxt_en: Skip nic close/open when configuring tstamp filters")
https://lore.kernel.org/all/20231214113041.3a0c003c@canb.auug.org.au/
drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c
3d7a3f2612d7 ("net/mlx5: Nack sync reset request when HotPlug is enabled")
cecf44ea1a1f ("net/mlx5: Allow sync reset flow when BF MGT interface device is present")
https://lore.kernel.org/all/20231211110328.76c925af@canb.auug.org.au/
No adjacent changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
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Create drm_color_ctm_3x4 to support 3x4-dimension plane CTM matrix and
convert DRM CTM to DC CSC float matrix.
v3:
- rename ctm2 to ctm_3x4 (Harry)
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Joshua Ashton <joshua@froggi.es>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
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Correct spelling as reported by codespell.
Correct run-on sentences and other grammar issues.
Add hyphenation of adjectives.
Correct some punctuation.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: linux-wireless@vger.kernel.org
Cc: Kalle Valo <kvalo@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Link: https://msgid.link/20231213044315.19459-1-rdunlap@infradead.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Make it extensible so that we have the liberty to reuse it in future
mount-id based apis. Treat zero size as the first published struct.
Signed-off-by: Christian Brauner <brauner@kernel.org>
|
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Wire up all archs.
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Link: https://lore.kernel.org/r/20231025140205.3586473-7-mszeredi@redhat.com
Reviewed-by: Ian Kent <raven@themaw.net>
Signed-off-by: Christian Brauner <brauner@kernel.org>
|
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Add way to query the children of a particular mount. This is a more
flexible way to iterate the mount tree than having to parse
/proc/self/mountinfo.
Lookup the mount by the new 64bit mount ID. If a mount needs to be
queried based on path, then statx(2) can be used to first query the
mount ID belonging to the path.
Return an array of new (64bit) mount ID's. Without privileges only
mounts are listed which are reachable from the task's root.
Folded into this patch are several later improvements. Keeping them
separate would make the history pointlessly confusing:
* Recursive listing of mounts is the default now (cf. [1]).
* Remove explicit LISTMOUNT_UNREACHABLE flag (cf. [1]) and fail if mount
is unreachable from current root. This also makes permission checking
consistent with statmount() (cf. [3]).
* Start listing mounts in unique mount ID order (cf. [2]) to allow
continuing listmount() from a midpoint.
* Allow to continue listmount(). The @request_mask parameter is renamed
and to @param to be usable by both statmount() and listmount().
If @param is set to a mount id then listmount() will continue listing
mounts from that id on. This allows listing mounts in multiple
listmount invocations without having to resize the buffer. If @param
is zero then the listing starts from the beginning (cf. [4]).
* Don't return EOVERFLOW, instead return the buffer size which allows to
detect a full buffer as well (cf. [4]).
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Link: https://lore.kernel.org/r/20231025140205.3586473-6-mszeredi@redhat.com
Reviewed-by: Ian Kent <raven@themaw.net>
Link: https://lore.kernel.org/r/20231128160337.29094-2-mszeredi@redhat.com [1] (folded)
Link: https://lore.kernel.org/r/20231128160337.29094-3-mszeredi@redhat.com [2] (folded)
Link: https://lore.kernel.org/r/20231128160337.29094-4-mszeredi@redhat.com [3] (folded)
Link: https://lore.kernel.org/r/20231128160337.29094-5-mszeredi@redhat.com [4] (folded)
[Christian Brauner <brauner@kernel.org>: various smaller fixes]
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Use "its" for possessive form instead of "it's".
Hyphenate multi-word adjectives.
Correct some spelling.
End one line of code with ';' instead of ','. The before and after
object files are identical.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: intel-gfx@lists.freedesktop.org
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231213044014.21410-1-rdunlap@infradead.org
|
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Symmetric RSS hash functions are beneficial in applications that monitor
both Tx and Rx packets of the same flow (IDS, software firewalls, ..etc).
Getting all traffic of the same flow on the same RX queue results in
higher CPU cache efficiency.
A NIC that supports "symmetric-xor" can achieve this RSS hash symmetry
by XORing the source and destination fields and pass the values to the
RSS hash algorithm.
The user may request RSS hash symmetry for a specific algorithm, via:
# ethtool -X eth0 hfunc <hash_alg> symmetric-xor
or turn symmetry off (asymmetric) by:
# ethtool -X eth0 hfunc <hash_alg>
The specific fields for each flow type should then be specified as usual
via:
# ethtool -N|-U eth0 rx-flow-hash <flow_type> s|d|f|n
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Signed-off-by: Ahmed Zaki <ahmed.zaki@intel.com>
Link: https://lore.kernel.org/r/20231213003321.605376-4-ahmed.zaki@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Implement functionality that enables drivers to expose VLAN tag
to XDP code.
VLAN tag is represented by 2 variables:
- protocol ID, which is passed to bpf code in BE
- VLAN TCI, in host byte order
Acked-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com>
Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Link: https://lore.kernel.org/r/20231205210847.28460-10-larysa.zaremba@intel.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|
|
Due to a historical mishap, the v4l2_subdev_frame_interval structure
is the only part of the V4L2 subdev userspace API that doesn't contain a
'which' field. This prevents trying frame intervals using the subdev
'TRY' state mechanism.
Adding a 'which' field is simple as the structure has 8 reserved fields.
This would however break userspace as the field is currently set to 0,
corresponding to V4L2_SUBDEV_FORMAT_TRY, while the corresponding ioctls
currently operate on the 'ACTIVE' state. We thus need to add a new
subdev client cap, V4L2_SUBDEV_CLIENT_CAP_INTERVAL_USES_WHICH, to
indicate that userspace is aware of this new field.
All drivers that implement the subdev .get_frame_interval() and
.set_frame_interval() operations are updated to return -EINVAL when
operating on the TRY state, preserving the current behaviour.
While at it, fix a bad copy&paste in the documentation of the struct
v4l2_subdev_frame_interval_enum 'which' field.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de> # for imx-media
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Reviewed-by: Luca Ceresoli <luca.ceresoli@bootlin.com> # for tegra-video
Reviewed-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
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Correct spellos reported by codespell.
Fix some grammar (as 's' to a few words).
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: David Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231213044107.29214-1-rdunlap@infradead.org
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Correct spelling mistakes that were identified by codespell.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: David Airlie <airlied@gmail.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20231213043925.13852-1-rdunlap@infradead.org
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