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This Wi-Fi advertises the L0s and L1 capabilities but actually it doesn't
support them. This is confirmed by HiSilicon team in actual productization.
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/1762916319-139532-1-git-send-email-shawn.lin@rock-chips.com
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The purpose of commit 703eec1b2422 ("virtio_net: fixing XDP for fully
checksummed packets handling") is to record the flags in advance, as
their value may be overwritten in the XDP case. However, the flags
recorded under big mode are incorrect, because in big mode, the passed
buf does not point to the rx buffer, but rather to the page of the
submitted buffer. This commit fixes this issue.
For the small mode, the commit c11a49d58ad2 ("virtio_net: Fix mismatched
buf address when unmapping for small packets") fixed it.
Tested-by: Alyssa Ross <hi@alyssa.is>
Fixes: 703eec1b2422 ("virtio_net: fixing XDP for fully checksummed packets handling")
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://patch.msgid.link/20251111090828.23186-1-xuanzhuo@linux.alibaba.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next
Marc Kleine-Budde says:
====================
pull-request: can-next 2025-11-12
this is a pull request of 11 patches for net-next/main.
The first 3 patches are by Vadim Fedorenko and convert the CAN drivers
to use the ndo_hwtstamp callbacks.
Maud Spierings contributes a patch for the mcp251x driver that
converts it to use dev_err_probe().
The next 6 patches target the mcp251xfd driver and are by Gregor
Herburger and me. They add GPIO controller functionality to the
driver.
The final patch is by Chu Guangqing and fixes a typo in the bxcan
driver.
linux-can-next-for-6.19-20251112-2
* tag 'linux-can-next-for-6.19-20251112-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next:
can: bxcan: Fix a typo error for assign
dt-bindings: can: mcp251xfd: add gpio-controller property
can: mcp251xfd: add gpio functionality
can: mcp251xfd: only configure PIN1 when rx_int is set
can: mcp251xfd: add workaround for errata 5
can: mcp251xfd: utilize gather_write function for all non-CRC writes
can: mcp251xfd: move chip sleep mode into runtime pm
can: mcp251x: mcp251x_can_probe(): use dev_err_probe()
can: peak_usb: convert to use ndo_hwtstamp callbacks
can: peak_canfd: convert to use ndo_hwtstamp callbacks
can: convert generic HW timestamp ioctl to ndo_hwtstamp callbacks
====================
Link: https://patch.msgid.link/20251112184344.189863-1-mkl@pengutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Fix couple of occurrences of the misspelled word "reource"
in the comments with the correct spelling "resource".
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Link: https://patch.msgid.link/20251113105457.879903-1-kalesh-anakkur.purayil@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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When INTEL_BMG_G21_IDS were added as a subplatform, token concatenation
operator usage was omitted, making INTEL_BMG_IDS not usable with
single-argument macros.
Fix that by adding the missing operator.
Fixes: 78de8f876683 ("drm/xe: Handle Wa_22010954014 and Wa_14022085890 as device workarounds")
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-25-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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VF FLR requires additional processing done by PF driver.
The processing is done after FLR is already finished from PCIe
perspective.
In order to avoid a scenario where migration state transitions while
PF processing is still in progress, additional synchronization
point is needed.
Add a helper that will be used as part of VF driver struct
pci_error_handlers .reset_done() callback.
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-24-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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Connect the helpers to allow save and restore of VRAM migration data in
stop_copy / resume device state.
Co-developed-by: Lukasz Laguna <lukasz.laguna@intel.com>
Signed-off-by: Lukasz Laguna <lukasz.laguna@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-23-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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Introduce a new function to copy data between VRAM and sysmem objects.
The existing xe_migrate_copy() is tailored for eviction and restore
operations, which involves additional logic and operates on entire
objects.
The xe_migrate_vram_copy_chunk() allows copying chunks of data to or
from a dedicated buffer object, which is essential in case of VF
migration.
Signed-off-by: Lukasz Laguna <lukasz.laguna@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-22-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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Instead of accessing VF's lmem_obj directly, introduce a helper function
to make the access more convenient.
Signed-off-by: Lukasz Laguna <lukasz.laguna@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-21-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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Implement the helpers and use them for save and restore of MMIO
migration data in stop_copy / resume device state.
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-20-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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Connect the helpers to allow save and restore of GGTT migration data in
stop_copy / resume device state.
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-19-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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In an upcoming change, the VF GGTT migration data will be handled as
part of VF control state machine. Add the necessary helpers to allow the
migration data transfer to/from the HW GGTT resource.
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-18-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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Connect the helpers to allow save and restore of GuC migration data in
stop_copy / resume device state.
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-17-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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In upcoming changes, the GuC VF migration data will be handled as part
of separate SAVE/RESTORE states in VF control state machine.
Now that the data is decoupled from both guc_state debugfs and PAUSE
state, we can safely remove the struct xe_gt_sriov_state_snapshot and
modify the GuC save/restore functions to operate on struct
xe_sriov_migration_data.
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-16-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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In upcoming changes, the GuC VF migration data will be handled as part
of separate SAVE/RESTORE states in VF control state machine.
Remove it from PAUSE state.
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-15-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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In upcoming changes, SR-IOV VF migration data will be extended beyond
GuC data and exported to userspace using VFIO interface (with a
vendor-specific variant driver) and a device-level debugfs interface.
Remove the GT-level debugfs.
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-14-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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Contiguous PF GGTT VMAs can be scarce after creating VFs.
Increase the GuC buffer cache size to 8M for PF so that we can fit GuC
migration data (which currently maxes out at just over 4M) and use the
cache instead of allocating fresh BOs.
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-13-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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An upcoming change will use GuC buffer cache as a place where GuC
migration data will be stored, and the memory requirement for that is
larger than indirect data.
Allow the caller to pass the size based on the intended usecase.
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-12-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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In upcoming changes the cached buffers are going to be used to read data
produced by the GuC. Add a counterpart to flush, which synchronizes the
CPU-side of suballocation with the GPU data and propagate the interface
to GuC Buffer Cache.
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-11-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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The size is normally used to make a decision on when to stop the device
(mainly when it's in a pre_copy state).
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-10-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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The descriptor reuses the KLV format used by GuC and contains metadata
that can be used to quickly fail migration when source is incompatible
with destination.
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-9-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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Add debugfs handlers for migration state and handle bitstream
.read()/.write() to convert from bitstream to/from migration data
packets.
As descriptor/trailer are handled at this layer - add handling for both
save and restore side.
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-8-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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Now that it's possible to free the packets - connect the restore
handling logic with the ring.
The helpers will also be used in upcoming changes that will start
producing migration data packets.
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-7-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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Migration data is queued in a per-GT ptr_ring to decouple the worker
responsible for handling the data transfer from the .read() and .write()
syscalls.
Add the data structures and handlers that will be used in future
commits.
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-6-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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The states will be used by upcoming changes to produce (in case of save)
or consume (in case of resume) the VF migration data.
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-5-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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In upcoming changes, the number of states will increase as a result of
introducing SAVE and RESTORE states.
This means that using unsigned long as underlying storage won't work on
32-bit architectures, as we'll run out of bits.
Use bitmap instead.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202510231918.XlOqymLC-lkp@intel.com/
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-4-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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Upcoming changes will allow users to control VF state and obtain its
migration data with a device-level granularity (not tile/gt).
Change the data structures to reflect that and move the GT-level
migration init to happen after device-level init.
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-3-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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Since commit 4eb0aab6e4434 ("drm/xe/guc: Bump minimum required GuC
version to v70.29.2"), the minimum GuC version required by the driver
is v70.29.2, which should already include everything that we need for
migration.
Remove the version check.
Suggested-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://patch.msgid.link/20251112132220.516975-2-michal.winiarski@intel.com
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
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Add a v4l2 sub-device driver for the Sony IMX111 image sensor. This is a
camera sensor using the i2c bus for control and the csi-2 bus for data.
The following features are supported:
- manual exposure, digital and analog gain control support
- pixel rate/link freq control support
- supported resolution up to 3280x2464 for single shot capture
- supported resolution up to 1920x1080 @ 30fps for video
- supported bayer order output SGBRG10 and SGBRG8
Camera module seems to be partially compatible with Nokia SMIA but it
lacks a few registers required for clock calculations and has different
vendor-specific per-mode configurations which makes it incompatible with
existing CCS driver.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
[Sakari Ailus: Fix set_fmt() callback a bit and idle after autosuspend.]
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Add bindings for Sony IMX111 CMOS Digital Image Sensor found in LG
Optimus 4X (P880) and Optimus Vu (P895) smartphones.
Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Add a default case to the switch case statement in mipi_exec_send_packet
to prevent attempts to read an uninitialized ret value. It's unlikely
the default case will ever occur during regular exeuction, but if more
MIPI DSI Processor-to-Peripheral transaction types are ever added, then
having this in place will be a useful safety guard.
Signed-off-by: Jonathan Cavitt <jonathan.cavitt@intel.com>
Fixes: 23db1577ce2d ("drm/i915/dsi: log send packet sequence errors")
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patch.msgid.link/20251104164150.16795-2-jonathan.cavitt@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Use page_slab() instead of virt_to_folio() followed by folio_slab().
We do end up calling compound_head() twice for non-slab copies, but that
will not be a problem once we allocate memdescs separately.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Kees Cook <kees@kernel.org>
Cc: Gustavo A. R. Silva <gustavoars@kernel.org>
Cc: linux-hardening@vger.kernel.org
Link: https://patch.msgid.link/20251113000932.1589073-14-willy@infradead.org
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Reviewed-by: Kees Cook <kees@kernel.org>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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In preparation for splitting struct slab from struct page and struct
folio, remove mentions of struct folio from this function. Since large
kmalloc objects are not supported here, we can just use virt_to_slab().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20251113000932.1589073-13-willy@infradead.org
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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In preparation for splitting struct slab from struct page and struct
folio, remove mentions of struct folio from this function. Since
we don't need to handle large kmalloc objects specially here, we
can just use virt_to_slab().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20251113000932.1589073-12-willy@infradead.org
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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Use pages and slabs directly instead of converting to folios.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20251113000932.1589073-11-willy@infradead.org
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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One slight tweak I made is to calculate 'ks' earlier, which means we
can reuse it in the warning rather than calculating the object size twice.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20251113000932.1589073-10-willy@infradead.org
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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This should generate identical code to the previous version, but
without any dependency on how folios work.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20251113000932.1589073-9-willy@infradead.org
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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Remove conversions from folio to page and folio to slab. This is
preparation for separately allocated struct slab from struct page.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20251113000932.1589073-8-willy@infradead.org
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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There's no need to use folio APIs here; just use a page directly.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Link: https://patch.msgid.link/20251113000932.1589073-7-willy@infradead.org
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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There's no need to use folio APIs here; just use a page directly.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Link: https://patch.msgid.link/20251113000932.1589073-6-willy@infradead.org
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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Use pages directly to further the split between slab and folio.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Link: https://patch.msgid.link/20251113000932.1589073-5-willy@infradead.org
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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This allows us to skip the compound_head() call for large kmalloc
objects as the virt_to_page() call will always give us the head page
for the large kmalloc case.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Link: https://patch.msgid.link/20251113000932.1589073-4-willy@infradead.org
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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In the future, we will separate slab, folio and page from each other
and calling virt_to_folio() on an address allocated from slab will
return NULL. Delay the conversion from struct page to struct slab
until we know we're not dealing with a large kmalloc allocation.
There's a minor win for large kmalloc allocations as we avoid the
compound_head() hidden in virt_to_folio().
This deprecates calling ksize() on memory allocated by alloc_pages().
Today it becomes a warning and support will be removed entirely in
the future.
Introduce large_kmalloc_size() to abstract how we represent the size
of a large kmalloc allocation. For now, this is the same as
page_size(), but it will change with separately allocated memdescs.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://patch.msgid.link/20251113000932.1589073-3-willy@infradead.org
Acked-by: David Hildenbrand (Red Hat) <david@kernel.org>
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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In order to separate slabs from folios, we need to convert from any page
in a slab to the slab directly without going through a page to folio
conversion first.
Up to this point, page_slab() has followed the example of other memdesc
converters (page_folio(), page_ptdesc() etc) and just cast the pointer
to the requested type, regardless of whether the pointer is actually a
pointer to the correct type or not.
That changes with this commit; we check that the page actually belongs
to a slab and return NULL if it does not. Other memdesc converters will
adopt this convention in future.
kfence was the only user of page_slab(), so adjust it to the new way
of working. It will need to be touched again when we separate slab
from page.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Alexander Potapenko <glider@google.com>
Cc: Marco Elver <elver@google.com>
Cc: kasan-dev@googlegroups.com
Link: https://patch.msgid.link/20251113000932.1589073-2-willy@infradead.org
Acked-by: David Hildenbrand (Red Hat) <david@kernel.org>
Tested-by: Marco Elver <elver@google.com>
Reviewed-by: Harry Yoo <harry.yoo@oracle.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
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Commit c423487bf667 ("dt-bindings: media: convert nxp,tda1997x.txt to yaml
format") renames nxp,tda1997x.txt to nxp,tda19971.yaml as part of this
dt-binding conversion, but misses to adjust the file entry in TDA1997x
MEDIA DRIVER.
Adjust the file entry after the conversion.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@redhat.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Introduce IMX219_EXPOSURE_OFFSET (4) and use it instead of the literal
'4' when computing the maximum coarse exposure. The IMX219 datasheet
specifies the maximum storage time as frame_length_lines - 4.
(Ref: Datasheet section 5-7-1)
Also fix one indentation issue for consistency.
Signed-off-by: Tarang Raval <tarang.raval@siliconsignals.io>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Propagate return values from __v4l2_ctrl_modify_range() and
__v4l2_ctrl_s_ctrl() in imx219_set_ctrl() and imx219_set_pad_format().
This ensures proper error handling instead of ignoring possible
failures. Also return the result of imx219_set_pad_format() from
imx219_init_state().
Signed-off-by: Tarang Raval <tarang.raval@siliconsignals.io>
Reviewed-by: Isaac Scott <isaac.scott@ideasonboard.com>
Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Add support for monochrome media bus formats, for use with monochrome/IR
camera sensors.
This has been tested on a Dell XPS 13 9320 with OV1A1B IR sensor.
Signed-off-by: Hans de Goede <hansg@kernel.org>
Reviewed-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Smatch is confused by the control initialization logic. It assumes that
there can be a case where imx214->link_freq can be NULL and ctrls_init
returns 0.
Re-arrange the function to make smatch happy.
This patch fixes this smatch error:
drivers/media/i2c/imx214.c:1109 imx214_ctrls_init() error: we previously assumed 'imx214->link_freq' could be null (see line 1017)
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Call on v4l2_get_active_data_lanes() to check if the driver reports that
the number of lanes actively used by the MIPI CSI transmitter differs to
the maximum defined in device tree.
If the number of active data lanes reported by the driver is invalid,
catch and return the error. If the operation is not supported, fall back
to the number of allowed data lanes.
Signed-off-by: Isaac Scott <isaac.scott@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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