By default, any recv/read operation that uses provided buffers will
consume at least 1 buffer fully (and maybe more, in case of bundles).
This adds support for incremental consumption, meaning that an
application may add large buffers, and each read/recv will just consume
the part of the buffer that it needs.
For example, let's say an application registers 1MB buffers in a
provided buffer ring, for streaming receives. If it gets a short recv,
then the full 1MB buffer will be consumed and passed back to the
application. With incremental consumption, only the part that was
actually used is consumed, and the buffer remains the current one.
This means that both the application and the kernel needs to keep track
of what the current receive point is. Each recv will still pass back a
buffer ID and the size consumed, the only difference is that before the
next receive would always be the next buffer in the ring. Now the same
buffer ID may return multiple receives, each at an offset into that
buffer from where the previous receive left off. Example:
Application registers a provided buffer ring, and adds two 32K buffers
to the ring.
Buffer1 address: 0x1000000 (buffer ID 0)
Buffer2 address: 0x2000000 (buffer ID 1)
A recv completion is received with the following values:
cqe->res 0x1000 (4k bytes received)
cqe->flags 0x11 (CQE_F_BUFFER|CQE_F_BUF_MORE set, buffer ID 0)
and the application now knows that 4096b of data is available at
0x1000000, the start of that buffer, and that more data from this buffer
will be coming. Now the next receive comes in:
cqe->res 0x2010 (8k bytes received)
cqe->flags 0x11 (CQE_F_BUFFER|CQE_F_BUF_MORE set, buffer ID 0)
which tells the application that 8k is available where the last
completion left off, at 0x1001000. Next completion is:
cqe->res 0x5000 (20k bytes received)
cqe->flags 0x1 (CQE_F_BUFFER set, buffer ID 0)
and the application now knows that 20k of data is available at
0x1003000, which is where the previous receive ended. CQE_F_BUF_MORE
isn't set, as no more data is available in this buffer ID. The next
completion is then:
cqe->res 0x1000 (4k bytes received)
cqe->flags 0x10001 (CQE_F_BUFFER|CQE_F_BUF_MORE set, buffer ID 1)
which tells the application that buffer ID 1 is now the current one,
hence there's 4k of valid data at 0x2000000. 0x2001000 will be the next
receive point for this buffer ID.
When a buffer will be reused by future CQE completions,
IORING_CQE_BUF_MORE will be set in cqe->flags. This tells the application
that the kernel isn't done with the buffer yet, and that it should expect
more completions for this buffer ID. Will only be set by provided buffer
rings setup with IOU_PBUF_RING INC, as that's the only type of buffer
that will see multiple consecutive completions for the same buffer ID.
For any other provided buffer type, any completion that passes back
a buffer to the application is final.
Once a buffer has been fully consumed, the buffer ring head is
incremented and the next receive will indicate the next buffer ID in the
CQE cflags.
On the send side, the application can manage how much data is sent from
an existing buffer by setting sqe->len to the desired send length.
An application can request incremental consumption by setting
IOU_PBUF_RING_INC in the provided buffer ring registration. Outside of
that, any provided buffer ring setup and buffer additions is done like
before, no changes there. The only change is in how an application may
see multiple completions for the same buffer ID, hence needing to know
where the next receive will happen.
Note that like existing provided buffer rings, this should not be used
with IOSQE_ASYNC, as both really require the ring to remain locked over
the duration of the buffer selection and the operation completion. It
will consume a buffer otherwise regardless of the size of the IO done.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
In preparation for needing the consumed length, pass in the length being
completed. Unused right now, but will be used when it is possible to
partially consume a buffer.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This reverts commit 79996b45f7.
Revert the change that restricts a send provided buffer to be zero, so
it will always consume the whole buffer. This is strictly needed for
partial consumption, as the send may very well be a subset of the
current buffer. In fact, that's the intended use case.
For non-incremental provided buffer rings, an application should set
sqe->len carefully to avoid the potential issue described in the
reverted commit. It is recommended that '0' still be set for len for
that case, if the application is set on maintaining more than 1 send
inflight for the same socket. This is somewhat of a nonsensical thing
to do.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Committing the selected ring buffer is currently done in three different
spots, combine it into a helper and just call that.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
nr_iovs is capped at 1024, and mode only has a few low values. We can
safely make them u16, in preparation for adding a few more members.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Expose min_wait_usec in io_uring_getevents_arg, replacing the pad member
that is currently in there. The value is in usecs, which is explained in
the name as well.
Note that if min_wait_usec and a normal timeout is used in conjunction,
the normal timeout is still relative to the base time. For example, if
min_wait_usec is set to 100 and the normal timeout is 1000, the max
total time waited is still 1000. This also means that if the normal
timeout is shorter than min_wait_usec, then only the min_wait_usec will
take effect.
See previous commit for an explanation of how this works.
IORING_FEAT_MIN_TIMEOUT is added as a feature flag for this, as
applications doing submit_and_wait_timeout() style operations will
generally not see the -EINVAL from the wait side as they return the
number of IOs submitted. Only if no IOs are submitted will the -EINVAL
bubble back up to the application.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Waiting for events with io_uring has two knobs that can be set:
1) The number of events to wake for
2) The timeout associated with the event
Waiting will abort when either of those conditions are met, as expected.
This adds support for a third event, which is associated with the number
of events to wait for. Applications generally like to handle batches of
completions, and right now they'd set a number of events to wait for and
the timeout for that. If no events have been received but the timeout
triggers, control is returned to the application and it can wait again.
However, if the application doesn't have anything to do until events are
reaped, then it's possible to make this waiting more efficient.
For example, the application may have a latency time of 50 usecs and
wanting to handle a batch of 8 requests at the time. If it uses 50 usecs
as the timeout, then it'll be doing 20K context switches per second even
if nothing is happening.
This introduces the notion of min batch wait time. If the min batch wait
time expires, then we'll return to userspace if we have any events at all.
If none are available, the general wait time is applied. Any request
arriving after the min batch wait time will cause waiting to stop and
return control to the application.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
In preparation for expanding how we handle waits, move the actual
schedule and schedule_timeout() handling into a helper.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Rather than need to pass in 2 or 3 separate arguments, add a struct
to encapsulate the timeout and sigset_t parts of waiting. In preparation
for adding another argument for waiting.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Add a new registration opcode IORING_REGISTER_CLOCK, which allows the
user to select which clock id it wants to use with CQ waiting timeouts.
It only allows a subset of all posix clocks and currently supports
CLOCK_MONOTONIC and CLOCK_BOOTTIME.
Suggested-by: Lewis Baker <lewissbaker@gmail.com>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/98f2bc8a3c36cdf8f0e6a275245e81e903459703.1723039801.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
In addition to current relative timeouts for the waiting loop, where the
timespec argument specifies the maximum time it can wait for, add
support for the absolute mode, with the value carrying a CLOCK_MONOTONIC
absolute time until which we should return control back to the user.
Suggested-by: Lewis Baker <lewissbaker@gmail.com>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/4d5b74d67ada882590b2e42aa3aa7117bbf6b55f.1723039801.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Remove io_napi_adjust_timeout() and move the adjustments out of the
common path into __io_napi_busy_loop(). Now the limit it's calculated
based on struct io_wait_queue::timeout, for which we query current time
another time. The overhead shouldn't be a problem, it's a polling path,
however that can be optimised later by additionally saving the delta
time value in io_cqring_wait().
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/88e14686e245b3b42ff90a3c4d70895d48676206.1723039801.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
We could just move these two and save some space, but in preparation
for adding another flag, turn them into flags first.
This saves 8 bytes in struct io_buffer_list, making it exactly half
a cacheline on 64-bit archs now rather than 40 bytes.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Just like what is being done on the recv side, if we only map a single
segment, then use ITER_UBUF for mapping it. That's more efficient than
using an ITER_IOVEC.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
req->buf_list is assigned higher up and is safe to use as we remain
within a locked region, as is the 'bl' variable itself from which it
was assigned. To improve readability, use 'bl' directly rather than
get it from the io_kiocb, if we need to increment the head directly
in the buffer selection path. This makes it readily apparent that
it's the same io_buffer_list being used.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
reverse the order of the element evaluation in an if statement.
for many users that are not using iopoll, the iopoll_list will always
evaluate to false after having made a memory access whereas to_submit is
very likely already loaded in a register.
Signed-off-by: Olivier Langlois <olivier@trillion01.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/052ca60b5c49e7439e4b8bd33bfab4a09d36d3d6.1722374371.git.olivier@trillion01.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Add support for checking and coalescing multi-hugepage-backed fixed
buffers. The coalescing optimizes both time and space consumption caused
by mapping and storing multi-hugepage fixed buffers.
A coalescable multi-hugepage buffer should fully cover its folios
(except potentially the first and last one), and these folios should
have the same size. These requirements are for easier processing later,
also we need same size'd chunks in io_import_fixed for fast iov_iter
adjust.
Signed-off-by: Chenliang Li <cliang01.li@samsung.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/20240731090133.4106-3-cliang01.li@samsung.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Store the folio shift and folio mask into imu struct and use it in
iov_iter adjust, as we will have non PAGE_SIZE'd chunks if a
multi-hugepage buffer get coalesced.
Signed-off-by: Chenliang Li <cliang01.li@samsung.com>
Reviewed-by: Anuj Gupta <anuj20.g@samsung.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/20240731090133.4106-2-cliang01.li@samsung.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
- rhashtable conversion for vfs inodes
- rcu_pending, btree key cache conversion
+ nocow deadlock fix
+ fix for new rebalance_work accounting
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Merge tag 'bcachefs-2024-08-24' of git://evilpiepirate.org/bcachefs
Pull bcachefs fixes from Kent Overstreet:
- assorted syzbot fixes
- some upgrade fixes for old (pre 1.0) filesystems
- fix for moving data off a device that was switched to durability=0
after data had been written to it.
- nocow deadlock fix
- fix for new rebalance_work accounting
* tag 'bcachefs-2024-08-24' of git://evilpiepirate.org/bcachefs: (28 commits)
bcachefs: Fix rebalance_work accounting
bcachefs: Fix failure to flush moves before sleeping in copygc
bcachefs: don't use rht_bucket() in btree_key_cache_scan()
bcachefs: add missing inode_walker_exit()
bcachefs: clear path->should_be_locked in bch2_btree_key_cache_drop()
bcachefs: Fix double assignment in check_dirent_to_subvol()
bcachefs: Fix refcounting in discard path
bcachefs: Fix compat issue with old alloc_v4 keys
bcachefs: Fix warning in bch2_fs_journal_stop()
fs/super.c: improve get_tree() error message
bcachefs: Fix missing validation in bch2_sb_journal_v2_validate()
bcachefs: Fix replay_now_at() assert
bcachefs: Fix locking in bch2_ioc_setlabel()
bcachefs: fix failure to relock in btree_node_fill()
bcachefs: fix failure to relock in bch2_btree_node_mem_alloc()
bcachefs: unlock_long() before resort in journal replay
bcachefs: fix missing bch2_err_str()
bcachefs: fix time_stats_to_text()
bcachefs: Fix bch2_bucket_gens_init()
bcachefs: Fix bch2_trigger_alloc assert
...
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Merge tag '6.11-rc5-server-fixes' of git://git.samba.org/ksmbd
Pull smb server fixes from Steve French:
- query directory flex array fix
- fix potential null ptr reference in open
- fix error message in some open cases
- two minor cleanups
* tag '6.11-rc5-server-fixes' of git://git.samba.org/ksmbd:
smb/server: update misguided comment of smb2_allocate_rsp_buf()
smb/server: remove useless assignment of 'file_present' in smb2_open()
smb/server: fix potential null-ptr-deref of lease_ctx_info in smb2_open()
smb/server: fix return value of smb2_open()
ksmbd: the buffer of smb2 query dir response has at least 1 byte
- Fix KASLR base offset to account for symbol offsets in the vmlinux
ELF file, preventing tool breakages like the drgn debugger
- Fix potential memory corruption of physmem_info during kernel physical
address randomization
- Fix potential memory corruption due to overlap between the relocated
lowcore and identity mapping by correctly reserving lowcore memory
- Fix performance regression and avoid randomizing identity mapping base
by default
- Fix unnecessary delay of AP bus binding complete uevent to prevent
startup lag in KVM guests using AP
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Merge tag 's390-6.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Fix KASLR base offset to account for symbol offsets in the vmlinux
ELF file, preventing tool breakages like the drgn debugger
- Fix potential memory corruption of physmem_info during kernel
physical address randomization
- Fix potential memory corruption due to overlap between the relocated
lowcore and identity mapping by correctly reserving lowcore memory
- Fix performance regression and avoid randomizing identity mapping
base by default
- Fix unnecessary delay of AP bus binding complete uevent to prevent
startup lag in KVM guests using AP
* tag 's390-6.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/boot: Fix KASLR base offset off by __START_KERNEL bytes
s390/boot: Avoid possible physmem_info segment corruption
s390/ap: Refine AP bus bindings complete processing
s390/mm: Pin identity mapping base to zero
s390/mm: Prevent lowcore vs identity mapping overlap
The important core fix is another tweak to our discard discovery
issues. The off by 512 in logical block count seems bad, but in fact
the inline was only ever used in debug prints, which is why no-one
noticed.
Signed-off-by: James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"The important core fix is another tweak to our discard discovery
issues. The off by 512 in logical block count seems bad, but in fact
the inline was only ever used in debug prints, which is why no-one
noticed"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: sd: Do not attempt to configure discard unless LBPME is set
scsi: MAINTAINERS: Add header files to SCSI SUBSYSTEM
scsi: ufs: qcom: Add UFSHCD_QUIRK_BROKEN_LSDBS_CAP for SM8550 SoC
scsi: ufs: core: Add a quirk for handling broken LSDBS field in controller capabilities register
scsi: core: Fix the return value of scsi_logical_block_count()
scsi: MAINTAINERS: Update HiSilicon SAS controller driver maintainer
rebalance_work was keying off of the presence of rebelance_opts in the
extent - but that was incorrect, we keep those around after rebalance
for indirect extents since the inode's options are not directly
available
Fixes: 20ac515a9c ("bcachefs: bch_acct_rebalance_work")
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This fixes an apparent deadlock - rebalance would get stuck trying to
take nocow locks because they weren't being released by copygc.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Three patches addressing cpuset corner cases.
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Merge tag 'cgroup-for-6.11-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup fixes from Tejun Heo:
"Three patches addressing cpuset corner cases"
* tag 'cgroup-for-6.11-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup/cpuset: Eliminate unncessary sched domains rebuilds in hotplug
cgroup/cpuset: Clear effective_xcpus on cpus_allowed clearing only if cpus.exclusive not set
cgroup/cpuset: fix panic caused by partcmd_update
Nothing too interesting. One patch to remove spurious warning and others to
address static checker warnings.
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Merge tag 'wq-for-6.11-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue fixes from Tejun Heo:
"Nothing too interesting. One patch to remove spurious warning and
others to address static checker warnings"
* tag 'wq-for-6.11-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: Correct declaration of cpu_pwq in struct workqueue_struct
workqueue: Fix spruious data race in __flush_work()
workqueue: Remove incorrect "WARN_ON_ONCE(!list_empty(&worker->entry));" from dying worker
workqueue: Fix UBSAN 'subtraction overflow' error in shift_and_mask()
workqueue: doc: Fix function name, remove markers
- Only request r4k clockevent interrupt on one CPU
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Merge tag 'mips-fixes_6.11_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Thomas Bogendoerfer:
- Set correct timer mode on Loongson64
- Only request r4k clockevent interrupt on one CPU
* tag 'mips-fixes_6.11_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: cevt-r4k: Don't call get_c0_compare_int if timer irq is installed
MIPS: Loongson64: Set timer mode in cpu-probe
- Don't drop references on LPIs that weren't visited by the vgic-debug
iterator
- Cure lock ordering issue when unregistering vgic redistributors
- Fix for misaligned stage-2 mappings when VMs are backed by hugetlb
pages
- Treat SGI registers as UNDEFINED if a VM hasn't been configured for
GICv3
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 kvm fixes from Catalin Marinas:
- Don't drop references on LPIs that weren't visited by the vgic-debug
iterator
- Cure lock ordering issue when unregistering vgic redistributors
- Fix for misaligned stage-2 mappings when VMs are backed by hugetlb
pages
- Treat SGI registers as UNDEFINED if a VM hasn't been configured for
GICv3
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
KVM: arm64: Make ICC_*SGI*_EL1 undef in the absence of a vGICv3
KVM: arm64: Ensure canonical IPA is hugepage-aligned when handling fault
KVM: arm64: vgic: Don't hold config_lock while unregistering redistributors
KVM: arm64: vgic-debug: Don't put unmarked LPIs
Bugfixes:
* Fix rpcrdma refcounting in xa_alloc
* Fix rpcrdma usage of XA_FLAGS_ALLOC
* Fix requesting FATTR4_WORD2_OPEN_ARGUMENTS
* Fix attribute bitmap decoder to handle a 3rd word
* Add reschedule points when returning delegations to avoid soft lockups
* Fix clearing layout segments in layoutreturn
* Avoid unnecessary rescanning of the per-server delegation list
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Merge tag 'nfs-for-6.11-2' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client fixes from Anna Schumaker:
- Fix rpcrdma refcounting in xa_alloc
- Fix rpcrdma usage of XA_FLAGS_ALLOC
- Fix requesting FATTR4_WORD2_OPEN_ARGUMENTS
- Fix attribute bitmap decoder to handle a 3rd word
- Add reschedule points when returning delegations to avoid soft lockups
- Fix clearing layout segments in layoutreturn
- Avoid unnecessary rescanning of the per-server delegation list
* tag 'nfs-for-6.11-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFS: Avoid unnecessary rescanning of the per-server delegation list
NFSv4: Fix clearing of layout segments in layoutreturn
NFSv4: Add missing rescheduling points in nfs_client_return_marked_delegations
nfs: fix bitmap decoder to handle a 3rd word
nfs: fix the fetch of FATTR4_OPEN_ARGUMENTS
rpcrdma: Trace connection registration and unregistration
rpcrdma: Use XA_FLAGS_ALLOC instead of XA_FLAGS_ALLOC1
rpcrdma: Device kref is over-incremented on error from xa_alloc
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Merge tag 'v6.11-rc4-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- fix refcount leak (can cause rmmod fail)
- fix byte range locking problem with cached reads
- fix for mount failure if reparse point unrecognized
- minor typo
* tag 'v6.11-rc4-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb/client: fix typo: GlobalMid_Sem -> GlobalMid_Lock
smb: client: ignore unhandled reparse tags
smb3: fix problem unloading module due to leaked refcount on shutdown
smb3: fix broken cached reads when posix locks
- a tweak to uinput interface to reject requests with abnormally large
number of slots. 100 slots/contacts should be enough for real devices
- support for FocalTech FT8201 added to the edt-ft5x06 driver
- tweaks to i8042 to handle more devices that have issue with its
emulation
- Synaptics touchpad switched to native SMbus/RMI mode on HP Elitebook
840 G2
- other minor fixes.
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Merge tag 'input-for-v6.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
- a tweak to uinput interface to reject requests with abnormally large
number of slots. 100 slots/contacts should be enough for real devices
- support for FocalTech FT8201 added to the edt-ft5x06 driver
- tweaks to i8042 to handle more devices that have issue with its
emulation
- Synaptics touchpad switched to native SMbus/RMI mode on HP Elitebook
840 G2
- other minor fixes
* tag 'input-for-v6.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: himax_hx83112b - fix incorrect size when reading product ID
Input: i8042 - use new forcenorestore quirk to replace old buggy quirk combination
Input: i8042 - add forcenorestore quirk to leave controller untouched even on s3
Input: i8042 - add Fujitsu Lifebook E756 to i8042 quirk table
Input: uinput - reject requests with unreasonable number of slots
Input: edt-ft5x06 - add support for FocalTech FT8201
dt-bindings: input: touchscreen: edt-ft5x06: Document FT8201 support
Input: adc-joystick - fix optional value handling
Input: synaptics - enable SMBus for HP Elitebook 840 G2
Input: ads7846 - ratelimit the spi_sync error message
msm:
- virtual plane fixes
- drop yuv on hw where not supported
- csc vs yuv format fix
- rotation fix
- fix fb cleanup on close
- reset phy before link training
- fix visual corruption at 4K
- fix NULL ptr crash on hotplug
- simplify debug macros
- sc7180 fix
- adreno firmware name error path fix
amdgpu:
- GFX10 firmware loading fix
- SDMA 5.2 fix
- Debugfs parameter validation fix
- eGPU hotplug fix
i915:
- fix HDCP timeouts
nouveau:
- fix SG_DEBUG crash
xe:
- Fix OA format masks which were breaking build with gcc-5
- Fix opregion leak (Lucas)
- Fix OA sysfs entry (Ashutosh)
- Fix VM dma-resv lock (Brost)
- Fix tile fini sequence (Brost)
- Prevent UAF around preempt fence (Auld)
- Fix DGFX display suspend/resume (Maarten)
- Many Xe/Xe2 critical workarounds (Auld, Ngai-Mint, Bommu, Tejas, Daniele)
- Fix devm/drmm issues (Daniele)
- Fix missing workqueue destroy in xe_gt_pagefault (Stuart)
- Drop HW fence pointer to HW fence ctx (Brost)
- Free job before xe_exec_queue_put (Brost)
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Merge tag 'drm-fixes-2024-08-24' of https://gitlab.freedesktop.org/drm/kernel
Pull drm fixes from Dave Airlie:
"Weekly fixes. xe and msm are the major groups, with
amdgpu/i915/nouveau having smaller bits. xe has a bunch of hw
workaround fixes that were found to be missing, so that is why there
are a bunch of scattered fixes, and one larger one. But overall size
doesn't look too out of the ordinary.
msm:
- virtual plane fixes:
- drop yuv on hw where not supported
- csc vs yuv format fix
- rotation fix
- fix fb cleanup on close
- reset phy before link training
- fix visual corruption at 4K
- fix NULL ptr crash on hotplug
- simplify debug macros
- sc7180 fix
- adreno firmware name error path fix
amdgpu:
- GFX10 firmware loading fix
- SDMA 5.2 fix
- Debugfs parameter validation fix
- eGPU hotplug fix
i915:
- fix HDCP timeouts
nouveau:
- fix SG_DEBUG crash
xe:
- Fix OA format masks which were breaking build with gcc-5
- Fix opregion leak (Lucas)
- Fix OA sysfs entry (Ashutosh)
- Fix VM dma-resv lock (Brost)
- Fix tile fini sequence (Brost)
- Prevent UAF around preempt fence (Auld)
- Fix DGFX display suspend/resume (Maarten)
- Many Xe/Xe2 critical workarounds (Auld, Ngai-Mint, Bommu, Tejas, Daniele)
- Fix devm/drmm issues (Daniele)
- Fix missing workqueue destroy in xe_gt_pagefault (Stuart)
- Drop HW fence pointer to HW fence ctx (Brost)
- Free job before xe_exec_queue_put (Brost)"
* tag 'drm-fixes-2024-08-24' of https://gitlab.freedesktop.org/drm/kernel: (35 commits)
drm/xe: Free job before xe_exec_queue_put
drm/xe: Drop HW fence pointer to HW fence ctx
drm/xe: Fix missing workqueue destroy in xe_gt_pagefault
drm/amdgpu: fix eGPU hotplug regression
drm/amdgpu: Validate TA binary size
drm/amdgpu/sdma5.2: limit wptr workaround to sdma 5.2.1
drm/amdgpu: fixing rlc firmware loading failure issue
drm/xe/uc: Use devm to register cleanup that includes exec_queues
drm/xe: use devm instead of drmm for managed bo
drm/xe/xe2hpg: Add Wa_14021821874
drm/xe: fix WA 14018094691
drm/xe/xe2: Add Wa_15015404425
drm/xe/xe2: Make subsequent L2 flush sequential
drm/xe/xe2lpg: Extend workaround 14021402888
drm/xe/xe2lpm: Extend Wa_16021639441
drm/xe/bmg: implement Wa_16023588340
drm/xe/oa/uapi: Make bit masks unsigned
drm/xe/display: Make display suspend/resume work on discrete
drm/xe: prevent UAF around preempt fence
drm/xe: Fix tile fini sequence
...
Fix backlight control on a Dell All In One system where a backlight
controller board is attached to a UART port and the dell-uart-backlight
driver binds to it, but the backlight is actually controlled by other
means (Hans de Goede).
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Merge tag 'acpi-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Fix backlight control on a Dell All In One system where a backlight
controller board is attached to a UART port and the dell-uart
backlight driver binds to it, but the backlight is actually controlled
by other means (Hans de Goede)"
* tag 'acpi-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: video: Add backlight=native quirk for Dell OptiPlex 7760 AIO
platform/x86: dell-uart-backlight: Use acpi_video_get_backlight_type()
ACPI: video: Add Dell UART backlight controller detection
- Use IS_ERR() in checks of debugfs_create_dir() return value instead of
checking it against NULL in the thermal debug code (Yang Ruibin).
- Fix three OF node reference leaks in thermal_of (Krzysztof Kozlowski).
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Merge tag 'thermal-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"These fix error handling in the thermal debug code and OF node
reference leaks in the thermal OF driver.
Specifics:
- Use IS_ERR() in checks of debugfs_create_dir() return value instead
of checking it against NULL in the thermal debug code (Yang Ruibin)
- Fix three OF node reference leaks in thermal_of (Krzysztof
Kozlowski)"
* tag 'thermal-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: of: Fix OF node leak in of_thermal_zone_find() error paths
thermal: of: Fix OF node leak in thermal_of_zone_register()
thermal: of: Fix OF node leak in thermal_of_trips_init() error path
thermal/debugfs: Fix the NULL vs IS_ERR() confusion in debugfs_create_dir()
A small collection of fixes here, all driver specific and none of them
too serious. For whatever reason runtime PM seems to have been causing
a bunch of issues recently.
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Merge tag 'spi-fix-v6.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A small collection of fixes here, all driver specific and none of them
too serious. For whatever reason runtime PM seems to have been causing
a bunch of issues recently"
* tag 'spi-fix-v6.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: pxa2xx: Move PM runtime handling to the glue drivers
spi: pxa2xx: Do not override dev->platform_data on probe
spi: spi-fsl-lpspi: limit PRESCALE bit in TCR register
spi: spi-cadence-quadspi: Fix OSPI NOR failures during system resume
spi: zynqmp-gqspi: Scale timeout by data size
- request the wlan-enable GPIO "as-is" to fix an issue with the wifi
module being already powered up before linux boots
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Merge tag 'pwrseq-fixes-for-v6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull power sequencing fix from Bartosz Golaszewski:
- request the wlan-enable GPIO "as-is" to fix an issue with the wifi
module being already powered up before linux boots
* tag 'pwrseq-fixes-for-v6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
power: sequencing: request the WLAN enable GPIO as-is
- imx: Remove duplicated clocks for scu power domain
- imx: Wait for SSAR to complete power-on for i.MX93 power domain
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Merge tag 'pmdomain-v6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm
Pull pmdomain fixes from Ulf Hansson:
- imx: Remove duplicated clocks for scu power domain
- imx: Wait for SSAR to complete power-on for i.MX93 power domain
* tag 'pmdomain-v6.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm:
pmdomain: imx: wait SSAR when i.MX93 power domain on
pmdomain: imx: scu-pd: Remove duplicated clocks
- Don't drop references on LPIs that weren't visited by the
vgic-debug iterator
- Cure lock ordering issue when unregistering vgic redistributors
- Fix for misaligned stage-2 mappings when VMs are backed by hugetlb
pages
- Treat SGI registers as UNDEFINED if a VM hasn't been configured for
GICv3
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Merge tag 'kvmarm-fixes-6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into for-next/fixes
KVM/arm64 fixes for 6.11, round #2
- Don't drop references on LPIs that weren't visited by the
vgic-debug iterator
- Cure lock ordering issue when unregistering vgic redistributors
- Fix for misaligned stage-2 mappings when VMs are backed by hugetlb
pages
- Treat SGI registers as UNDEFINED if a VM hasn't been configured for
GICv3
* tag 'kvmarm-fixes-6.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm:
KVM: arm64: Make ICC_*SGI*_EL1 undef in the absence of a vGICv3
KVM: arm64: Ensure canonical IPA is hugepage-aligned when handling fault
KVM: arm64: vgic: Don't hold config_lock while unregistering redistributors
KVM: arm64: vgic-debug: Don't put unmarked LPIs
KVM: arm64: vgic: Hold config_lock while tearing down a CPU interface
KVM: selftests: arm64: Correct feature test for S1PIE in get-reg-list
KVM: arm64: Tidying up PAuth code in KVM
KVM: arm64: vgic-debug: Exit the iterator properly w/o LPI
KVM: arm64: Enforce dependency on an ARMv8.4-aware toolchain
docs: KVM: Fix register ID of SPSR_FIQ
KVM: arm64: vgic: fix unexpected unlock sparse warnings
KVM: arm64: fix kdoc warnings in W=1 builds
KVM: arm64: fix override-init warnings in W=1 builds
KVM: arm64: free kvm->arch.nested_mmus with kvfree()
- Fix the max segment size and max number of segments supported by the
pata_macio driver to fix issues with BIO splitting leading to an
overflow of the adapter DMA table (from Michael).
- Related to the previous fix, change BUG_ON() calls for incorrect
command buffer segmentation into WARN_ON() and an error return (from
Michael).
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Merge tag 'ata-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata fixes from Damien Le Moal:
- Fix the max segment size and max number of segments supported by the
pata_macio driver to fix issues with BIO splitting leading to an
overflow of the adapter DMA table (from Michael)
- Related to the previous fix, change BUG_ON() calls for incorrect
command buffer segmentation into WARN_ON() and an error return (from
Michael)
* tag 'ata-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
ata: pata_macio: Use WARN instead of BUG
ata: pata_macio: Fix DMA table overflow
Current release - regressions:
- virtio_net: avoid crash on resume - move netdev_tx_reset_queue()
call before RX napi enable
Current release - new code bugs:
- net/mlx5e: fix page leak and incorrect header release w/ HW GRO
Previous releases - regressions:
- udp: fix receiving fraglist GSO packets
- tcp: prevent refcount underflow due to concurrent execution
of tcp_sk_exit_batch()
Previous releases - always broken:
- ipv6: fix possible UAF when incrementing error counters on output
- ip6: tunnel: prevent merging of packets with different L2
- mptcp: pm: fix IDs not being reusable
- bonding: fix potential crashes in IPsec offload handling
- Bluetooth: HCI:
- MGMT: add error handling to pair_device() to avoid a crash
- invert LE State quirk to be opt-out rather then opt-in
- fix LE quote calculation
- drv: dsa: VLAN fixes for Ocelot driver
- drv: igb: cope with large MAX_SKB_FRAGS Kconfig settings
- drv: ice: fi Rx data path on architectures with PAGE_SIZE >= 8192
Misc:
- netpoll: do not export netpoll_poll_[disable|enable]()
- MAINTAINERS: update the list of networking headers
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bluetooth and netfilter.
Current release - regressions:
- virtio_net: avoid crash on resume - move netdev_tx_reset_queue()
call before RX napi enable
Current release - new code bugs:
- net/mlx5e: fix page leak and incorrect header release w/ HW GRO
Previous releases - regressions:
- udp: fix receiving fraglist GSO packets
- tcp: prevent refcount underflow due to concurrent execution of
tcp_sk_exit_batch()
Previous releases - always broken:
- ipv6: fix possible UAF when incrementing error counters on output
- ip6: tunnel: prevent merging of packets with different L2
- mptcp: pm: fix IDs not being reusable
- bonding: fix potential crashes in IPsec offload handling
- Bluetooth: HCI:
- MGMT: add error handling to pair_device() to avoid a crash
- invert LE State quirk to be opt-out rather then opt-in
- fix LE quote calculation
- drv: dsa: VLAN fixes for Ocelot driver
- drv: igb: cope with large MAX_SKB_FRAGS Kconfig settings
- drv: ice: fi Rx data path on architectures with PAGE_SIZE >= 8192
Misc:
- netpoll: do not export netpoll_poll_[disable|enable]()
- MAINTAINERS: update the list of networking headers"
* tag 'net-6.11-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (82 commits)
s390/iucv: Fix vargs handling in iucv_alloc_device()
net: ovs: fix ovs_drop_reasons error
net: xilinx: axienet: Fix dangling multicast addresses
net: xilinx: axienet: Always disable promiscuous mode
MAINTAINERS: Mark JME Network Driver as Odd Fixes
MAINTAINERS: Add header files to NETWORKING sections
MAINTAINERS: Add limited globs for Networking headers
MAINTAINERS: Add net_tstamp.h to SOCKET TIMESTAMPING section
MAINTAINERS: Add sonet.h to ATM section of MAINTAINERS
octeontx2-af: Fix CPT AF register offset calculation
net: phy: realtek: Fix setting of PHY LEDs Mode B bit on RTL8211F
net: ngbe: Fix phy mode set to external phy
netfilter: flowtable: validate vlan header
bnxt_en: Fix double DMA unmapping for XDP_REDIRECT
ipv6: prevent possible UAF in ip6_xmit()
ipv6: fix possible UAF in ip6_finish_output2()
ipv6: prevent UAF in ip6_send_skb()
netpoll: do not export netpoll_poll_[disable|enable]()
selftests: mlxsw: ethtool_lanes: Source ethtool lib from correct path
udp: fix receiving fraglist GSO packets
...
