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Add a new BLOCK_URING_CMD_ZONE_RESET_ALL uring cmd to reset all zones
for a given block device. This can be used by storage systems or
file system mkfs tools to initialize multiple devices in parallel.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Link: https://patch.msgid.link/20260804125038.740388-7-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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ublk passes the parameters of incoming I/O in memory shared between the
kernel ublk driver and userspace ublk server in struct ublksrv_io_desc.
The size of this struct is currently fixed to 24 bytes, which has been
an obstacle to extending it with additional fields [1]. Additionally,
with multiple ublk server threads handling I/Os from the same ublk queue
(possible with UBLK_F_PER_IO_DAEMON or UBLK_F_BATCH_IO), false sharing
results from adjacent io_descs sharing the same cache line.
Add a ublk feature UBLK_F_IO_DESC_SIZE to allow a ublk server to
override the size of each io_desc. The size must be at least 24 and a
multiple of 8 to store a properly-aligned struct ublksrv_io_desc. It's
also limited to a maximum of 256, though this bound could be lifted in
the future.
The struct ublksrv_io_desc is located at the beginning of each io_desc
and the remainder is padding. The mmap() performed for each queue must
have a length of queue_depth * io_desc_size rounded up to the page size.
The mmap() offset must be q_id * UBLK_MAX_QUEUE_DEPTH * io_desc_size,
also rounded up to the page size.
[1]: https://lore.kernel.org/linux-block/aV8QfvaNO5P6vOs6@fedora/
Suggested-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Caleb Sander Mateos <csander@purestorage.com>
Link: https://patch.msgid.link/20260803211441.2538144-6-csander@purestorage.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add a new 8250 port type for the Moxa MUEx50 UART and describe its basic
FIFO size and trigger characteristics in the 8250 port configuration
table.
The 8250_mxpcie driver sets UPF_FIXED_TYPE and uses PORT_MUEX50 so that
the generic 8250 core applies the correct defaults.
Signed-off-by: Crescent Hsieh <crescentcy.hsieh@moxa.com>
Link: https://patch.msgid.link/20260731074820.735619-3-crescentcy.hsieh@moxa.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Pull 7.2 devel branch for put_device auto-clean fixes.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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A transparent binfmt_misc dispatch hands the binary to the interpreter
through AT_EXECFD and leaves the argument vector exactly as the caller
built it. The loader on the receiving end has to know which contract it
got.
On the classic 'O'/'C' entries the binary's path is spliced into the
argument vector and the loader consumes arguments. In transparent mode
nothing was spliced and argv belongs entirely to the program. This
cannot be inferred from AT_EXECFD alone. Raise a new AT_FLAGS bit
following the AT_FLAGS_PRESERVE_ARGV0 precedent added for qemu-user in
commit 2347961b11d4 ("binfmt_misc: pass binfmt_misc flags to the
interpreter").
The bit also announces that mm->exe_file names the binary rather than
the interpreter (added in the next commit). A loader that sees the bit
may finish the identity polish by fixing up AT_PHDR/AT_ENTRY/AT_BASE in
saved_auxv and fix the code/data markers via one uncapped PR_SET_MM_MAP
once it has mapped the binary. I've got glibc patches for this as well
but it's useful for any loader.
BINPRM_FLAGS_TRANSPARENT_INTERP carries the mode from binfmt_misc to the
ELF loaders. Both had their own copy of the AT_FLAGS translation, so
give them one bprm_at_flags() to share instead of a second copy that can
drift. Nothing sets the bprm flag yet.
Link: https://patch.msgid.link/20260721-work-bpf-binfmt_misc-ptinterp-v2-8-e57866e4ae0f@kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
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An SMMU implementing SMMU_IDR5.DS extends the range invalidation commands:
the SCALE field grows a 6th bit, raising its maximum value from 31 to 39,
and TTL == 0b01 becomes a valid level hint for a 16KB translation granule.
Add a new ARM_SMMU_FEAT_DS feature detecting the DS bit, and widen the
CMDQ_TLBI_0_SCALE field to its architectural 6 bits. Mask the scale value
explicitly in arm_smmu_cmdq_batch_add_range(), so the range invalidation
path emits the same commands as before, keeping the pre-existing 5-bit
truncation of a scale above 31.
Also list DS as a valid IDR5 field in the iommu_hw_info_arm_smmuv3 kdoc:
iommufd has always reported the raw IDR5 register, so a VMM may conclude
from that bit alone that it can expose DS to its guest.
Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Pranjal Shrivastava <praan@google.com>
Assisted-by: Claude:claude-fable-5
Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
Signed-off-by: Will Deacon <will@kernel.org>
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Add sdei_event_signal(), a thin wrapper over the SDEI_EVENT_SIGNAL call
(DEN0054) that makes the software-signalled event (event 0) pending on a
target PE -- delivered NMI-like even when that PE has interrupts masked.
It takes no locks, so it is safe to call from NMI / crash context.
Signed-off-by: Kiryl Shutsemau (Meta) <kas@kernel.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Yin Fengwei <fengwei_yin@linux.alibaba.com>
Signed-off-by: Will Deacon <will@kernel.org>
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This patch adds two static helpers in drivers/net/phy/phy-c45.c to
configure and read back master-slave roles for non BASE-T1 Clause 45
PHYs via the 10GBASE-T AN control/status registers.
These helpers are wired into genphy_c45_config_aneg() and
genphy_c45_read_status(). This changes the observable ethtool output
for drivers using the generic c45 read path.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Javen Xu <javen_xu@realsil.com.cn>
Link: https://patch.msgid.link/20260728073106.1515-3-javen_xu@realsil.com.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-next
- Wait on external BO kernel fences in exec IOCTL (Brost)
- General clean-up (Anas)
- Documentation fix (Rafael)
- Add a debugfs for pcode information (Karthik)
- Free madvise VMA array on L2 flush failure (Guangshuo)
- Page Table related fixes (Shuicheng, Zongyao)
- Improvements GuC error handling and GuC small fixes (Sk, Zhanjun, Arvind)
- Add new W/As (Daniele, Harish)
- GuC paging engine support (Auld)
- Add and use more KLV helpers (Michal)
- Balance exec queue suspend/resume (Niranjana, Thomas)
- Fix BO prefetch with CONSULT_MEM_ADVISE_PREF_LOC (Himal)
- SRIOV: Disable display in admin only PF mode (Satya)
- Fix writable override for CRI NVM (Sasha)
- Fix VF CCS attach/detach race with in-flight BO moves (Brost)
- Introduce Xe Uncorrectable Error Handling (Riana)
- Fix WOPCM size for LNL+ (Daniele)
- Consolidate debugfs fault injection functions (Mallesh)
- Multi-queue related fixes and improvements (Niranjana, Jagmeet, Shuicheng)
- Add RAS GPU health indicator (Soham)
- PAT related improvements (Roper, Sanjay)
- NULL deref fix on migration on VF (Satya)
- i2c related fix (Raag)
- Fix SVM leak and clean up xe_vm_create (Shuicheng)
- Drop force_probe requirement for NVL-s (Gustavo)
- Optimise TT population for DONTNEED BOs (Auld)
- Add page size allocation mode control and coverage (Himal, Nareshkumar)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patch.msgid.link/amt2kDVdyBK6VEyU@intel.com
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Peter Ujfalusi <peter.ujfalusi@linux.intel.com> says:
This series fixes some issues left to the first version
sof_ipc4_mod_init_ext_dp_memory_data payload building code. The
payload to specify memory requirements of Data Processing components,
running as independent processes in SOF firmware.
But more importantly it adds a payload of similar purpose to the
pipeline create message, e.g. sof_ipc4_glb_pipe_payload. It sums up
the memory requirements of individual Low Latency components in the
pipeline and sends the summed up values in pipeline create message.
Link: https://patch.msgid.link/20260730104141.14817-1-peter.ujfalusi@linux.intel.com
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The was inconsistency with SOF_TKN_COMP_STACK_BYTES_REQUIREMENT and
SOF_TKN_COMP_HEAP_BYTES_REQUIREMENT token ids in the Linux driver code
with SOF FW topology code. This commit fixes the Linux side to match
tools/topology/topology2/include/common/tokens.conf
Link: https://github.com/thesofproject/sof/blob/main/tools/topology/topology2/include/common/tokens.conf#L30
Signed-off-by: Jyri Sarha <jyri.sarha@linux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://patch.msgid.link/20260730104141.14817-3-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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For any remote call to DSP, after sending an invocation message,
the fastRPC driver waits for a glink response, during which the CPU
can enter low power modes. This adds latency to the fastRPC call
due to CPU wakeup and scheduling overhead. Add polling mode support
where the fastRPC driver polls a shared memory location for
completion after sending the invocation, avoiding CPU wakeup and
scheduling latency and reducing fastRPC overhead. If the poll times
out, the call falls back to the normal interrupt/glink-based
completion path.
Poll mode is only applied to dynamic modules running in a user PD
(handle > FASTRPC_MAX_STATIC_HANDLE), since static/root-PD handles
are not expected to benefit from, or require, this optimization.
Support is advertised per SoC via fastrpc_soc_data, with a closed
exception list for older platforms whose DSP firmware is known to
support polling but which otherwise use the default soc_data.
Poll mode can be enabled by userspace via the FASTRPC_IOCTL_SET_OPTION
ioctl with the FASTRPC_POLL_MODE request id.
Since context IDs (ctxid) are allocated from a fixed-size, per-channel
cyclic IDR shared by all processes on a DSP, a context ID can be
recycled for a new request soon after it is freed. In poll mode the
context can be considered complete (and released) as soon as the poll
memory is updated, while the corresponding glink COMPLETE response
from the DSP may still be in flight. If that response arrives after
the ctxid has been reused, it would otherwise match the new context
and incorrectly signal completion for it while the DSP may still be
operating on the new context's buffers. To prevent this, embed a
monotonically increasing per-channel sequence number in the unused
upper bits of the ctxid/message context and validate it in the
rpmsg callback, dropping any response whose sequence number does not
match the current owner of that ctxid slot.
Signed-off-by: Ekansh Gupta <ekansh.gupta@oss.qualcomm.com>
Signed-off-by: Srinivas Kandagatla <srini@kernel.org>
Link: https://patch.msgid.link/20260729094352.111065-8-srini@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- drop non-existent @filter
- add missing descriptions for @ns_type and @spare2
- change the descriptions of @ns_id and @user_ns_id based on their commit
to prevent these kernel-doc warnings:
Warning: ../include/uapi/linux/nsfs.h:117 struct member 'ns_type' not
described in 'ns_id_req'
Warning: ../include/uapi/linux/nsfs.h:117 struct member 'spare2' not
described in 'ns_id_req'
Warning: ../include/uapi/linux/nsfs.h:117 Excess struct member 'filter'
description in 'ns_id_req'
Fixes: 76b6f5dfb3fd ("nstree: add listns()")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://patch.msgid.link/20260724031021.814599-1-rdunlap@infradead.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
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Introduce a new vCPU feature KVM_ARM_VCPU_PMU_V3_STRICT. When set, KVM
does not create a default PMU when initializing the vCPU, and userspace
must select one explicitly via KVM_ARM_VCPU_PMU_V3_SET_PMU before the
first KVM_RUN.
The flag forces the VMM to be aware of the PMU implementation of the
guest to be created, so that certain information about the PMU becomes
deterministic (if on a heterogeneous system) and becomes safe to be
exposed to the guest. It can be used as an umbrella flag to gate future
PMUv3 UAPI changes.
When no default PMU is created, kvm->arch.arm_pmu stays NULL until SET_PMU
runs, so kvm_arm_pmu_v3_init() now refuses to run if kvm->arch.arm_pmu
is NULL.
Signed-off-by: Congkai Tan <congkai@amazon.com>
Reviewed-by: Geoff Blake <blakgeof@amazon.com>
Reviewed-by: Haris Okanovic <harisokn@amazon.com>
Reviewed-by: Stanislav Spassov <stanspas@amazon.de>
Co-developed-by: Oliver Upton <oupton@kernel.org>
Reviewed-by: Fuad Tabba <fuad.tabba@linux.dev>
Tested-by: Fuad Tabba <fuad.tabba@linux.dev>
Link: https://patch.msgid.link/20260722202702.4165917-5-congkai@amazon.com
Signed-off-by: Oliver Upton <oupton@kernel.org>
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alloc_buddy_hugetlb_folio_with_mpol()
Move memory policy interpretation out of
alloc_buddy_hugetlb_folio_with_mpol() and into alloc_hugetlb_folio() to
separate reading and interpretation of memory policy from actual
allocation.
This will later allow memory policy to be interpreted outside of the
process of allocating a hugetlb folio entirely. This opens doors for
other callers of the HugeTLB folio allocation function, such as
guest_memfd, where memory may not always be mapped and hence may not have
an associated vma.
Introduce struct mempolicy_interpreted to hold all the components of an
interpreted memory policy.
Rename alloc_buddy_hugetlb_folio_with_mpol() to
alloc_buddy_hugetlb_folio() since the function no longer interprets memory
policy.
No functional change intended.
Link: https://lore.kernel.org/20260702-hugetlb-open-up-v4-2-d53cefcccf34@google.com
Signed-off-by: Ackerley Tng <ackerleytng@google.com>
Reviewed-by: James Houghton <jthoughton@google.com>
Acked-by: Oscar Salvador <osalvador@suse.de>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Byungchul Park <byungchul@sk.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
Cc: Frank van der Linden <fvdl@google.com>
Cc: Gregory Price <gourry@gourry.net>
Cc: "Huang, Ying" <ying.huang@linux.alibaba.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Jiaqi Yan <jiaqiyan@google.com>
Cc: Joshua Hahn <joshua.hahnjy@gmail.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Michael Roth <michael.roth@amd.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Pratyush Yadav <pratyush@kernel.org>
Cc: Qi Zheng <qi.zheng@linux.dev>
Cc: Rakie Kim <rakie.kim@sk.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Sean Christopherson <seanjc@google.com>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Shivank Garg <shivankg@amd.com>
Cc: Vishal Annapurve <vannapurve@google.com>
Cc: Yan Zhao <yan.y.zhao@intel.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Commit 1274e1cc4226 ("vxlan: ecmp support for mac fdb entries") lets a
single inner MAC be reached through a group of remote VTEPs, with the
kernel flow-hashing across the group members. Each member carries its
own remote IP, but the UDP destination port is always taken from the
VXLAN device (vxlan->cfg.dst_port) and cannot be set per member.
Some deployments pack several receivers behind one underlay IP and tell
them apart by UDP port, so they need a per-nexthop destination port to
spread flows across (IP, port) tuples rather than IP alone.
Add a netlink attribute NHA_DST_PORT (__be16, mirroring NDA_PORT) that
carries an optional UDP destination port on an fdb nexthop. It is only
accepted together with NHA_FDB and NHA_GATEWAY; it is stored in struct
nh_info and echoed back on dump. The attribute is named generically
rather than fdb-specific so it can be reused should another nexthop type
ever need a destination port. This patch is control-plane plumbing
only; the VXLAN datapath is wired up in a follow-up patch, so behaviour
is unchanged for now.
Signed-off-by: Jack Ma <jack4it@gmail.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20260724-b4-vxlan-fdb-port-v5-1-cd1c6aeee058@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Cross-merge networking fixes after downstream PR (net-7.2-rc6).
No conflicts.
Adjacent changes:
net/ipv4/route.c
dbc3791e3b24 ("net: do not send ICMP/NDISC Redirects when peer allocation fails")
7804eaa057fe ("ipv4: snapshot dst.dev in ip_rt_send_redirect() and ip_rt_get_source()")
drivers/net/tun.c
23dad2d088df ("tun: no longer rely on RTNL in tun_fill_info()")
c3da92af07ea ("Revert "tun/tap: add ptr_ring consume helper with netdev queue wakeup"")
drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c
3bd438a58e91 ("octeontx2-af: Block VFs from clobbering special CGX PKIND state")
5ba5611ef946 ("octeontx2-af: reserve 4 PKINDs for skip-size custom use")
drivers/net/wireless/ath/ath12k/core.h
drivers/net/wireless/ath/ath12k/mac.c
drivers/net/wireless/ath/ath12k/peer.c
469d7e6077c1 ("wifi: ath12k: resolve PENDING ML peer ID from MLO_PEER_MAP HTT event")
378e659029d5 ("wifi: ath12k: introduce host_alloc_ml_id hardware parameter")
c42b27336eef ("wifi: ath12k: fix survey indexing across bands")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Extend the RPPX1 driver to allow setting the gamma sensor linearization
configuration parameters. It uses the RPPX1 framework for parameters and
its writer abstraction to allow the user to control how, and when,
configuration is applied to the RPPX1.
Signed-off-by: Jai Luthra <jai.luthra@ideasonboard.com>
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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Extend the RPPX1 driver to allow setting the gamma out correction
configuration parameters. It uses the RPPX1 framework for parameters and
its writer abstraction to allow the user to control how, and when,
configuration is applied to the RPPX1.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Co-developed-by: Jai Luthra <jai.luthra+renesas@ideasonboard.com>
Signed-off-by: Jai Luthra <jai.luthra+renesas@ideasonboard.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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Extend the RPPX1 driver to allow setting the lens shade correction
configuration parameters. It uses the RPPX1 framework for parameters and
its writer abstraction to allow the user to control how, and when,
configuration is applied to the RPPX1.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Co-developed-by: Jai Luthra <jai.luthra+renesas@ideasonboard.com>
Signed-off-by: Jai Luthra <jai.luthra+renesas@ideasonboard.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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Extend the RPPX1 driver to allow setting the color correction matrix
configuration parameters. It uses the RPPX1 framework for parameters and
its writer abstraction to allow the user to control how, and when,
configuration is applied to the RPPX1.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Co-developed-by: Jai Luthra <jai.luthra+renesas@ideasonboard.com>
Signed-off-by: Jai Luthra <jai.luthra+renesas@ideasonboard.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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Extend the RPPX1 driver to allow setting the black level measurement
and gain configuration. It uses the RPPX1 framework for parameters and
its writer abstraction to allow the user to control how, and when,
configuration is applied to the RPPX1.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Co-developed-by: Jai Luthra <jai.luthra+renesas@ideasonboard.com>
Signed-off-by: Jai Luthra <jai.luthra+renesas@ideasonboard.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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Extend the RPPX1 driver to allow setting the histogram measurement
configuration and consuming the resulting statistics. It uses the RPPX1
framework for parameters and its writer abstraction to allow the user to
control how, and when, configuration is applied to the RPPX1.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Co-developed-by: Jai Luthra <jai.luthra+renesas@ideasonboard.com>
Signed-off-by: Jai Luthra <jai.luthra+renesas@ideasonboard.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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Extend the RPPX1 driver to allow setting the exposure measurement
configuration and consuming the resulting statistics. It uses the RPPX1
framework for parameters and its writer abstraction to allow the user to
control how, and when, configuration is applied to the RPPX1.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Co-developed-by: Jai Luthra <jai.luthra+renesas@ideasonboard.com>
Signed-off-by: Jai Luthra <jai.luthra+renesas@ideasonboard.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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Extend the RPPX1 driver to allow setting the white balance gain
configuration parameters. It uses the RPPX1 framework for parameters and
its writer abstraction to allow the user to control how, and when,
configuration is applied to the RPPX1.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Co-developed-by: Jai Luthra <jai.luthra+renesas@ideasonboard.com>
Signed-off-by: Jai Luthra <jai.luthra+renesas@ideasonboard.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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Extend the RPPX1 driver to allow setting the white balance measurement
configuration and consuming the resulting statistics. It uses the RPPX1
framework for parameters and its writer abstraction to allow the user to
control how, and when, configuration is applied to the RPPX1.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Co-developed-by: Jai Luthra <jai.luthra+renesas@ideasonboard.com>
Signed-off-by: Jai Luthra <jai.luthra+renesas@ideasonboard.com>
Co-developed-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>
Signed-off-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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Add the scaffolding for the parameters and statistics buffers for
Dreamchip RPPX1. The parameters for each ISP function block will be
added together with the logic for it.
In addition to the scaffolding add a common struct that describes the
measurement window. This struct is not specific to any block and will
used by many of them.
Signed-off-by: Jai Luthra <jai.luthra@ideasonboard.com>
[Niklas: Commit message]
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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Register V4L2 metadata fourcc codes for the Dreamchip RPP-X1 ISP
parameters and statistics buffers. These formats are used by the driver
to exchange ISP configuration and 3A statistics with userspace through
the extensible parameters framework.
Signed-off-by: Jai Luthra <jai.luthra+renesas@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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Extend the v4l2-isp extensible format introduced for isp parameters buffers
to the support buffers of ISP statistic.
Like for ISP configuration purpose, that will help supporting various ISP
hardware versions reporting different statistics data with less impact on
userspace.
Rename all 'v4l2_isp_params' types to generic 'v4l2_isp' types to
prepare to use them for statistics as well and maintain the existing
types for compatibility with existing userspace only.
Signed-off-by: Antoine Bouyer <antoine.bouyer@nxp.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
[Rework to remove 'v4l2_isp_stats' and unify types]
Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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Add a leading "struct" keyword to struct descriptions:
Warning: ../include/uapi/rdma/ib_user_mad.h:72 cannot understand function prototype: 'struct ib_user_mad_hdr_old'
Warning: ../include/uapi/rdma/ib_user_mad.h:116 cannot understand function prototype: 'struct ib_user_mad_hdr'
Warning: ../include/uapi/rdma/ib_user_mad.h:143 cannot understand function prototype: 'struct ib_user_mad'
Warning: ../include/uapi/rdma/ib_user_mad.h:184 cannot understand function prototype: 'struct ib_user_mad_reg_req'
Warning: ../include/uapi/rdma/ib_user_mad.h:216 cannot understand function prototype: 'enum'
One enum and #define are moved out of line so that the struct description
and the struct block are not split (separated).
When this is done, more warnings are exposed:
Warning: include/uapi/rdma/ib_user_mad.h:89 struct member 'length' not described in 'ib_user_mad_hdr_old'
Warning: include/uapi/rdma/ib_user_mad.h:135 struct member 'length' not described in 'ib_user_mad_hdr'
Warning: include/uapi/rdma/ib_user_mad.h:135 struct member 'reserved' not described in 'ib_user_mad_hdr'
Warning: include/uapi/rdma/ib_user_mad.h:227 struct member 'id' not described in 'ib_user_mad_reg_req2'
Warning: include/uapi/rdma/ib_user_mad.h:227 struct member 'qpn' not described in 'ib_user_mad_reg_req2'
Warning: include/uapi/rdma/ib_user_mad.h:227 struct member 'mgmt_class' not described in 'ib_user_mad_reg_req2'
Warning: include/uapi/rdma/ib_user_mad.h:227 struct member 'mgmt_class_version' not described in 'ib_user_mad_reg_req2'
Warning: include/uapi/rdma/ib_user_mad.h:227 struct member 'res' not described in 'ib_user_mad_reg_req2'
Warning: include/uapi/rdma/ib_user_mad.h:227 struct member 'flags' not described in 'ib_user_mad_reg_req2'
Warning: include/uapi/rdma/ib_user_mad.h:227 struct member 'method_mask' not described in 'ib_user_mad_reg_req2'
Warning: include/uapi/rdma/ib_user_mad.h:227 struct member 'oui' not described in 'ib_user_mad_reg_req2'
Warning: include/uapi/rdma/ib_user_mad.h:227 struct member 'rmpp_version' not described in 'ib_user_mad_reg_req2'
Warning: include/uapi/rdma/ib_user_mad.h:227 struct member 'reserved' not described in 'ib_user_mad_reg_req2'
These are all repaired by using ':' as the separator between the struct
member @name and its description (instead of '-').
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://patch.msgid.link/20260728183403.1136827-1-rdunlap@infradead.org
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Add pqi_big_passthru_ioctl() to handle CCISS_BIG_PASSTHRU ioctl
requests. The existing passthru ioctl uses a 16-bit integer for the I/O
buffer size, limiting transfers to 64KB. The big passthru ioctl uses
BIG_IOCTL_Command_struct which stores the buffer size as a 32-bit integer,
allowing larger transfers required by some management utilities.
Add CCISS_BIG_PASSTHRU_SUPPORTED to uapi/linux/cciss_ioctl.h and return 0
from pqi_ioctl() to advertise driver support. Userspace tools can send
this ioctl to probe whether the driver supports CCISS_BIG_PASSTHRU before
issuing it.
Co-developed-by: Mike McGowen <mike.mcgowen@microchip.com>
Signed-off-by: Mike McGowen <mike.mcgowen@microchip.com>
Signed-off-by: David Strahan <david.strahan@microchip.com>
Acked-by: Don Brace <don.brace@microchip.com>
Link: https://lore.kernel.org/linux-scsi/20260722220401.6357-3-david.strahan@microchip.com/
Link: https://lore.kernel.org/linux-scsi/20260722220401.6357-1-david.strahan@microchip.com/
Link: https://patch.msgid.link/20260722220401.6357-3-david.strahan@microchip.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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GFX6-8 are the oldest GPUs supported by the amdgpu
kernel driver, and the last ones that didn't support
DRM format modifiers until now. These are the Southern
Islands, Sea Islands and Volcanic Islands families
of GPUs.
On GFX6-8, the GFX block can only use pre-determined tiling
modes which are programmed by the kernel according to the
tiling mode table. GFX6 uses the GB_TILE_MODE0...31 registers,
and GFX7-8 also has GB_MACROTILE_MODE0...15 registers.
DCC is also supported on GFX8, albeit not displayable.
Note that the tiling table is uAPI and userspace relies on
specific modes being present at specific indices.
How the tiling works is primarily determined by the
so-called array mode.
Use the TILE field to specify the array mode.
Pixel data is organized into micro tiles.
Each micro tile may be 8x8 / 8x8x4 / 8x8x8 pixels,
depending on the array mode.
Add the MICROTILE field to specify microtile mode.
Microtiles may be further organized into macro tiles,
which have many configurable parameters. Macro tile mode
selection depends on how many bits per pixel an image has.
Add the PIPE_CONFIG, TILE_SPLIT, BANK_WIDTH, BANK_HEIGHT,
MACRO_TILE_ASPECT, NUM_BANKS fields to specify parameters
of macro tiled modes.
Furthermore, tiling is also influenced by memory
configuration. Old RFC patches received feedback
concerning that, so I looked into it specifically:
GB_ADDR_CONFIG.ROW_SIZE needs to be considered when
calculating TILE_SPLIT, but does not need to be included
in the modifiers, and also PIPE_INTERLEAVE matters,
but it's hardcoded to the same value on all GFX6-8 GPUs
and changing it would break userspace, so let's assume
it isn't going to change. Therefore we don't need to
include that in modifiers. Mesa also reads NUM_RANKS
but actually doesn't use its value on GFX6-8.
As a side note, tiling works similarly on GFX4-5
(that is Evergreen and Northern Islands). But that
will need some additional PIPE_CONFIG enum values
as well as some extra fields not relevant to GFX6-8.
Initially, let's only expose the tiling modes that are
most relevant to sharing buffers between different
processes:
Exposed array modes (TILE field):
- 1D_TILED_THIN1: micro tiled only
- 2D_TILED_THIN1: macro tiled
Exposed micro tile modes (MICROTILE field):
- DISPLAY: supported by DCE (the display engine)
- THIN: more efficient but not displayable
Exposed macro tile modes:
All possible parameters (25088 permutations).
More modes may be exposed in the future as needed.
Technically, the amount of possible combinations
of all possible tiling parameters is in the range
of hundreds of thousands, but in practice, there are
just a handful of possible modifiers for a surface.
For example on GFX8, a surface would have these
modifiers, from best to worst performance:
- 2D_TILED_THIN1 + THIN + DCC + macrotile params [1]
- 2D_TILED_THIN1 + THIN + macrotile params [1]
- 2D_TILED_THIN1 + DISPLAY + macrotile params [1]
- 1D_TILED_THIN1 + THIN
- 1D_TILED_THIN1 + DISPLAY
- LINEAR
[1] The macro tiling parameters depend on how many
bits per pixel of the specific surface has and
how the chip is configured. There is only one set
of valid macrotile params for a given surface.
DCC is only supported by GFX8 and newer, and only
with non-displayable macrotiling modes.
When sharing buffers between different GFX6-8 GPUs,
it is very unlikely that they support the exact same
macrotiling configuration, so they will likely need
to use micro tiled modes, which are still much better
than using linear buffers. (Note that currently Mesa
always uses LINEAR when copying between two GPUs.)
Suggested-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Marek Olšák <maraeo@gmail.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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At some point drm_msm_gem_syncobj was renamed to drm_msm_syncobj and
MSM_SUBMIT_SYNCOBJ_FLAGS was renamed to MSM_SYNCOBJ_FLAGS but some
comments still refer to the old names.
Update the comments with the new names.
Signed-off-by: Hans de Goede <johannes.goede@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/742717/
Message-ID: <20260728092609.22049-1-johannes.goede@oss.qualcomm.com>
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
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The current GET_TOGGLE_MEM ioctl requires the caller to supply
a type enum and a raw hardware queue ID (RES_ID). The kernel
looks up the CQ or SRQ by that ID without verifying that the
caller owns the resource.
Add a new, preferred code path that accepts standard uverbs
object handles (BNXT_RE_TOGGLE_MEM_CQ_HANDLE /
BNXT_RE_TOGGLE_MEM_SRQ_HANDLE) instead. The uverbs core validates
that the handle belongs to the calling context as part of resolving
it, so this path no longer needs the driver's own XArray lookup for
ownership checking. As with the legacy path, the toggle_entry's own
mmap-entry refcount (not a CQ/SRQ uobject reference) is what pins
the toggle page for the life of the GET_TOGGLE_MEM handle.
Only newer rdma-core versions support this path, if the
driver reports the supported resp mask
(BNXT_RE_UCNTX_CMASK_TOGGLE_MEM_UOBJ_SUPPORT).
The existing TYPE + RES_ID path is retained for backward
compatibility with older rdma-core.
Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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A guest with access to VCMDQ generates its own invalidation commands
and must apply any invalidation errata before submitting them. If the
host also repeats those commands, each affected invalidation is issued
four times instead of twice.
Add IOMMU_HW_INFO_ARM_SMMUV3_ERRATA_REPEAT_TLBI_CFGI to report the
CFGI/TLBI-repeat erratum to user space. This allows the VMM to expose
the erratum to the guest or apply the workaround itself.
Use the raw __arm_smmu_cmdq_issue_cmdlist() helper for user-provided
invalidations so the host does not apply the workaround a second time.
Add arm_smmu_erratum_repeat_tlbi_cfgi() to query the static key when
populating the SMMUv3 hardware information.
Signed-off-by: Ashish Mhetre <amhetre@nvidia.com>
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Will Deacon <will@kernel.org>
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Add support for Gamma curve correction for the Mali C55 ISP.
Define a new block in the uAPI using the extensible v4l2-isp format and
implement support for configuring the RGB Gamma parameters in the
mali-c55 parameters handler.
While at it, rename the MALI_C55_REG_GAMMA_GAINS_[1|2] register name
to MALI_C55_REG_GAMMA_GAINS_[RG|B] and the
MALI_C55_REG_GAMMA_OFFSETS_[1|2] register name to
MALI_C55_REG_GAMMA_OFFSETS_[RG|B] to better clarify their intent.
Signed-off-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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Add support for the CCM (Color Correction Matrix) for the Mali C55 ISP.
Define a new block in the uAPI using the extensible v4l2-isp format and
implement support for configuring the CCM parameters in the mali-c55
ISP driver.
Signed-off-by: Jacopo Mondi <jacopo.mondi+renesas@ideasonboard.com>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Linus Walleij <linusw@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Johannes Berg says:
====================
wireless-next-2026-07-26
Mostly driver changes this time:
- new driver mm81x for an S1G device
- new driver nxpwifi for NXP devices
(mostly forked off from mwifiex)
- ath12k: much kernel infrastructure integration work
- brcmfmac: DPP support, some Cypress part update
- nl80211: per-link statistics support
====================
Link: https://patch.msgid.link/20260726105205.942922-60-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Wire up the fchroot() system call as number 472 on (nearly) all
architectures and sync the mirrored copies of the syscall tables and
the asm-generic unistd.h under tools/.
Link: https://patch.msgid.link/20260724-work-failfs-v2-5-485dabbae185@kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
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Add a new file descriptor sentinel FD_FAILFS_ROOT following
FD_PIDFS_ROOT and FD_NSFS_ROOT and teach fchdir() to accept it. A
process calling fchdir(FD_FAILFS_ROOT) moves its working directory
into failfs. Every AT_FDCWD-relative lookup afterwards fails with
EOPNOTSUPP including "." and ".." and getcwd() reports the working
directory as unreachable from the process root by returning a path
prefixed with "(unreachable)". Lookups relative to explicit directory
file descriptors are unaffected.
The sentinel is the only way in. No privilege or gating is required.
Setting the working directory to a directory in which every operation
fails grants nothing and loses nothing that closing file descriptors
couldn't lose. An unlinked working directory behaves the same way today
modulo errno. The working directory also plays no role in confining ".."
resolution so no boundary is weakened.
Link: https://patch.msgid.link/20260724-work-failfs-v2-2-485dabbae185@kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
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nullfs provides a permanently empty and immutable directory. Lookups
fail with ENOENT. The directory can be opened, read, stat, mounted upon.
It behaves like nothing is there.
Add its counterpart failfs where the semantics are not "there is
nothing here" but "nothing is supported here". Every operation that
reaches the filesystem fails with EOPNOTSUPP. Even statfs()/fstatfs()
fail so the filesystem cannot be discovered through an fd to it.
EOPNOTSUPP rather than a permission errno keeps that coherent. There
is no permission model in which anything could ever be allowed and
EACCES or EPERM would merely suggest that different credentials might
succeed while EIO would suggest corruption. It also makes hitting the
failfs boundary mostly quite dinstinguishable. A task anchoring its
lookups at real directory file descriptors may be able to tell a failfs
refusal from an ordinary permission failure. I wouldn't go so far as
guaranteeing that but it should mostly work.
No path lookup can open the root, not even with O_PATH. It is never
reached by a lookup in a parent directory. The only way to a path-walk
terminal at the root is a jump through a /proc/<pid>/{root,cwd} magic
link or by mountpoint traversal. The root also refuses
->d_weak_revalidate() which the VFS calls for jumped terminals. That
covers the jump-based references too: an O_PATH open is refused,
name_to_handle_at() cannot encode it into a file handle, and following a
magic link into it fails. A plain readlink() of such a link still works
and shows "failfs:/".
There is a single instance of failfs mounted during early boot via
kern_mount() making it logically distinct from every mount namespace.
Since the mount is a member of no mount namespace mounting onto it
fails. So nothing can ever be mounted on top of it. It cannot be cloned
via OPEN_TREE_CLONE and it does not show up in statmount()/listmount()
or /proc/<pid>/mountinfo. The filesystem is not registered so it is
not visible in /proc/filesystems and cannot be mounted from userspace.
This lets tasks shed their filesystem state completely. A process with
its root directory or working directory in failfs must anchor every path
lookup at an explicit file descriptor or is doomed to fail any lookup.
Absolute paths, absolute symlinks, and AT_FDCWD-relative lookups
simply fail. Followup patches will expose it via a new FD_FAILFS_ROOT
file descriptor sentinel understood by fchdir() and the new fchroot()
system call.
Link: https://patch.msgid.link/20260724-work-failfs-v2-1-485dabbae185@kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
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Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com> says:
the objective of this series is still to prepare making struct
platform_device_id::driver_data an anonymous union. See
https://lore.kernel.org/all/cover.1780048925.git.u.kleine-koenig@baylibre.com/
for the details about that.
Link: https://patch.msgid.link/cover.1784528081.git.u.kleine-koenig@baylibre.com
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We need the char/misc fixes AND this resolves two merge conflicts in:
drivers/android/binder/thread.rs
drivers/misc/nsm.c
Reported-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We need the serial driver fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
|
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We need the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add NOUVEAU_FIFO_ENGINE_NVDEC to the abi16 uAPI and accept it in
channel allocation, mapping it to the NVDEC engine runlist.
Skip the Turing copy-engine workaround object for NVDEC channels: the
copy engines are not part of the NVDEC runlist, so the workaround
object cannot be instantiated on such channels (and is not needed
there).
This is required for NVK to implement Vulkan Video H.264 decode on top
of the NVDEC engine:
https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31867
Reviewed-by: Daniel Almeida <daniel.almeida@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patch.msgid.link/20260725035912.1016464-1-daniel.almeida@collabora.com
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Accept RDMA_NLDEV_ATTR_DEV_NAME together with RDMA_NLDEV_NET_NS_FD so a
netlink move can rename the device in the destination namespace. Keep the
name semantics aligned with the existing RDMA rename path.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Link: https://patch.msgid.link/20260716132316.1495242-6-jiri@resnulli.us
Signed-off-by: Leon Romanovsky <leon@kernel.org>
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Cross-merge BPF and other fixes after downstream PR.
Conflicts:
net/core/filter.c
Changes [2] in bpf-next conflict with a recent fix [1]
from the 'net' tree. Resolved by using [1] as a base and
applying same flags handling logic as in [2] in the
bpf_redirect_peer() helper.
[1] https://lore.kernel.org/all/20260706185609.330006-2-daniel@iogearbox.net/
[2] https://lore.kernel.org/all/20260618182035.43811-2-jordan@jrife.io/
Signed-off-by: Eduard Zingerman <eddyz87@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull io_uring fixes from Jens Axboe:
- Fix a missing ERESTARTSYS conversion in the read paths, which got
messed up back when some code consolidation was done for read
multishot support
- zcrx UAPI rename, dropping the abbreviated "notif" naming in favor of
"event" for consistency and to be less ambiguous for users. This was
added for 7.2, so let's rename it while we still can. No functional
or code changes, just a strict rename
* tag 'io_uring-7.2-20260724' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
io_uring/zcrx: rename notif to event
io_uring/zcrx: rename ZCRX_NOTIF_NO_BUFFERS
io_uring/zcrx: drop "notif" from stats struct names
io_uring/rw: fix missing ERESTARTSYS conversion in read paths
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Convert 2 "/**" comments to use plain C "/*" comment style to avoid
kernel-doc warnings:
Warning: include/uapi/linux/capability.h:114 expecting prototype for
POSIX(). Prototype was for CAP_CHOWN() instead
Warning: include/uapi/linux/capability.h:175 expecting prototype for
Linux(). Prototype was for CAP_SETPCAP() instead
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Serge Hallyn <sergeh@kernel.org>
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