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Merge tag '6.5-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
"Four small SMB3 client fixes:
- two reconnect fixes (to address the case where non-default
iocharset gets incorrectly overridden at reconnect with the
default charset)
- fix for NTLMSSP_AUTH request setting a flag incorrectly)
- Add missing check for invalid tlink (tree connection) in ioctl"
* tag '6.5-rc3-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: add missing return value check for cifs_sb_tlink
smb3: do not set NTLMSSP_VERSION flag for negotiate not auth request
cifs: fix charset issue in reconnection
fs/nls: make load_nls() take a const parameter
- Fix to /sys/kernel/tracing/per_cpu/cpu*/stats read and entries.
If a resize shrinks the buffer it clears the read count to notify
readers that they need to reset. But the read count is also used for
accounting and this causes the numbers to be off. Instead, create a
separate variable to use to notify readers to reset.
- Fix the ref counts of the "soft disable" mode. The wrong value was
used for testing if soft disable mode should be enabled or disable,
but instead, just change the logic to do the enable and disable
in place when the SOFT_MODE is set or cleared.
- Several kernel-doc fixes
- Removal of unused external declarations
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Merge tag 'trace-v6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Fix to /sys/kernel/tracing/per_cpu/cpu*/stats read and entries.
If a resize shrinks the buffer it clears the read count to notify
readers that they need to reset. But the read count is also used for
accounting and this causes the numbers to be off. Instead, create a
separate variable to use to notify readers to reset.
- Fix the ref counts of the "soft disable" mode. The wrong value was
used for testing if soft disable mode should be enabled or disable,
but instead, just change the logic to do the enable and disable in
place when the SOFT_MODE is set or cleared.
- Several kernel-doc fixes
- Removal of unused external declarations
* tag 'trace-v6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: Fix warning in trace_buffered_event_disable()
ftrace: Remove unused extern declarations
tracing: Fix kernel-doc warnings in trace_seq.c
tracing: Fix kernel-doc warnings in trace_events_trigger.c
tracing/synthetic: Fix kernel-doc warnings in trace_events_synth.c
ring-buffer: Fix kernel-doc warnings in ring_buffer.c
ring-buffer: Fix wrong stat of cpu_buffer->read
or aren't considered serious enough to justify backporting.
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Merge tag 'mm-hotfixes-stable-2023-07-28-15-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull hotfixes from Andrew Morton:
"11 hotfixes. Five are cc:stable and the remainder address post-6.4
issues or aren't considered serious enough to justify backporting"
* tag 'mm-hotfixes-stable-2023-07-28-15-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm/memory-failure: fix hardware poison check in unpoison_memory()
proc/vmcore: fix signedness bug in read_from_oldmem()
mailmap: update remaining active codeaurora.org email addresses
mm: lock VMA in dup_anon_vma() before setting ->anon_vma
mm: fix memory ordering for mm_lock_seq and vm_lock_seq
scripts/spelling.txt: remove 'thead' as a typo
mm/pagewalk: fix EFI_PGT_DUMP of espfix area
shmem: minor fixes to splice-read implementation
tmpfs: fix Documentation of noswap and huge mount options
Revert "um: Use swap() to make code cleaner"
mm/damon/core-test: initialise context before test in damon_test_set_attrs()
Constify thermal_zone_device_register() parameters, which was omitted
by mistake, and fix a double free on thermal zone unregistration in
the generic DT thermal driver (Ahmad Fatoum).
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Merge tag 'thermal-6.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull thermal control fixes from Rafael Wysocki:
"Constify thermal_zone_device_register() parameters, which was omitted
by mistake, and fix a double free on thermal zone unregistration in
the generic DT thermal driver (Ahmad Fatoum)"
* tag 'thermal-6.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
thermal: of: fix double-free on unregistration
thermal: core: constify params in thermal_zone_device_register
mm->mm_lock_seq effectively functions as a read/write lock; therefore it
must be used with acquire/release semantics.
A specific example is the interaction between userfaultfd_register() and
lock_vma_under_rcu().
userfaultfd_register() does the following from the point where it changes
a VMA's flags to the point where concurrent readers are permitted again
(in a simple scenario where only a single private VMA is accessed and no
merging/splitting is involved):
userfaultfd_register
userfaultfd_set_vm_flags
vm_flags_reset
vma_start_write
down_write(&vma->vm_lock->lock)
vma->vm_lock_seq = mm_lock_seq [marks VMA as busy]
up_write(&vma->vm_lock->lock)
vm_flags_init
[sets VM_UFFD_* in __vm_flags]
vma->vm_userfaultfd_ctx.ctx = ctx
mmap_write_unlock
vma_end_write_all
WRITE_ONCE(mm->mm_lock_seq, mm->mm_lock_seq + 1) [unlocks VMA]
There are no memory barriers in between the __vm_flags update and the
mm->mm_lock_seq update that unlocks the VMA, so the unlock can be
reordered to above the `vm_flags_init()` call, which means from the
perspective of a concurrent reader, a VMA can be marked as a userfaultfd
VMA while it is not VMA-locked. That's bad, we definitely need a
store-release for the unlock operation.
The non-atomic write to vma->vm_lock_seq in vma_start_write() is mostly
fine because all accesses to vma->vm_lock_seq that matter are always
protected by the VMA lock. There is a racy read in vma_start_read()
though that can tolerate false-positives, so we should be using
WRITE_ONCE() to keep things tidy and data-race-free (including for KCSAN).
On the other side, lock_vma_under_rcu() works as follows in the relevant
region for locking and userfaultfd check:
lock_vma_under_rcu
vma_start_read
vma->vm_lock_seq == READ_ONCE(vma->vm_mm->mm_lock_seq) [early bailout]
down_read_trylock(&vma->vm_lock->lock)
vma->vm_lock_seq == READ_ONCE(vma->vm_mm->mm_lock_seq) [main check]
userfaultfd_armed
checks vma->vm_flags & __VM_UFFD_FLAGS
Here, the interesting aspect is how far down the mm->mm_lock_seq read can
be reordered - if this read is reordered down below the vma->vm_flags
access, this could cause lock_vma_under_rcu() to partly operate on
information that was read while the VMA was supposed to be locked. To
prevent this kind of downwards bleeding of the mm->mm_lock_seq read, we
need to read it with a load-acquire.
Some of the comment wording is based on suggestions by Suren.
BACKPORT WARNING: One of the functions changed by this patch (which I've
written against Linus' tree) is vma_try_start_write(), but this function
no longer exists in mm/mm-everything. I don't know whether the merged
version of this patch will be ordered before or after the patch that
removes vma_try_start_write(). If you're backporting this patch to a tree
with vma_try_start_write(), make sure this patch changes that function.
Link: https://lkml.kernel.org/r/20230721225107.942336-1-jannh@google.com
Fixes: 5e31275cc9 ("mm: add per-VMA lock and helper functions to control it")
Signed-off-by: Jann Horn <jannh@google.com>
Reviewed-by: Suren Baghdasaryan <surenb@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
load_nls() take a char * parameter, use it to find nls module in list or
construct the module name to load it.
This change make load_nls() take a const parameter, so we don't need do
some cast like this:
ses->local_nls = load_nls((char *)ctx->local_nls->charset);
Suggested-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Winston Wen <wentao@uniontech.com>
Reviewed-by: Paulo Alcantara <pc@manguebit.com>
Reviewed-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Drop the wake-irq enable and disable helpers which have not been used
since commit bed570307e ("PM / wakeirq: Fix dedicated wakeirq for
drivers not using autosuspend").
Note that these functions are essentially just leftovers from the first
iteration of the wake-irq implementation where device drivers were
supposed to call these functions themselves instead of PM core (as
is also indicated by the bogus kernel doc comments).
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Since commit 3d439b1a2a ("thermal/core: Alloc-copy-free the thermal zone
parameters structure"), thermal_zone_device_register() allocates a copy
of the tzp argument and callers need not explicitly manage its lifetime.
This means the function no longer cares about the parameter being
mutable, so constify it.
No functional change.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
checkpoint code.
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Merge tag 'ext4_for_linus-6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"Bug and regression fixes for 6.5-rc3 for ext4's mballoc and jbd2's
checkpoint code"
* tag 'ext4_for_linus-6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix rbtree traversal bug in ext4_mb_use_preallocated
ext4: fix off by one issue in ext4_mb_choose_next_group_best_avail()
ext4: correct inline offset when handling xattrs in inode body
jbd2: remove __journal_try_to_free_buffer()
jbd2: fix a race when checking checkpoint buffer busy
jbd2: Fix wrongly judgement for buffer head removing while doing checkpoint
jbd2: remove journal_clean_one_cp_list()
jbd2: remove t_checkpoint_io_list
jbd2: recheck chechpointing non-dirty buffer
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Merge tag 'block-6.5-2023-07-21' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- Fix for loop regressions (Mauricio)
- Fix a potential stall with batched wakeups in sbitmap (David)
- Fix for stall with recursive plug flushes (Ross)
- Skip accounting of empty requests for blk-iocost (Chengming)
- Remove a dead field in struct blk_mq_hw_ctx (Chengming)
* tag 'block-6.5-2023-07-21' of git://git.kernel.dk/linux:
loop: do not enforce max_loop hard limit by (new) default
loop: deprecate autoloading callback loop_probe()
sbitmap: fix batching wakeup
blk-iocost: skip empty flush bio in iocost
blk-mq: delete dead struct blk_mq_hw_ctx->queued field
blk-mq: Fix stall due to recursive flush plug
Current release - regressions:
- eth: r8169: multiple fixes for PCIe ASPM-related problems
- vrf: fix RCU lockdep splat in output path
Previous releases - regressions:
- gso: fall back to SW segmenting with GSO_UDP_L4 dodgy bit set
- dsa: mv88e6xxx: do a final check before timing out when polling
- nf_tables: fix sleep in atomic in nft_chain_validate
Previous releases - always broken:
- sched: fix undoing tcf_bind_filter() in multiple classifiers
- bpf, arm64: fix BTI type used for freplace attached functions
- can: gs_usb: fix time stamp counter initialization
- nft_set_pipapo: fix improper element removal (leading to UAF)
Misc:
- net: support STP on bridge in non-root netns, STP prevents
packet loops so not supporting it results in freezing systems
of unsuspecting users, and in turn very upset noises being made
- fix kdoc warnings
- annotate various bits of TCP state to prevent data races
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from BPF, netfilter, bluetooth and CAN.
Current release - regressions:
- eth: r8169: multiple fixes for PCIe ASPM-related problems
- vrf: fix RCU lockdep splat in output path
Previous releases - regressions:
- gso: fall back to SW segmenting with GSO_UDP_L4 dodgy bit set
- dsa: mv88e6xxx: do a final check before timing out when polling
- nf_tables: fix sleep in atomic in nft_chain_validate
Previous releases - always broken:
- sched: fix undoing tcf_bind_filter() in multiple classifiers
- bpf, arm64: fix BTI type used for freplace attached functions
- can: gs_usb: fix time stamp counter initialization
- nft_set_pipapo: fix improper element removal (leading to UAF)
Misc:
- net: support STP on bridge in non-root netns, STP prevents packet
loops so not supporting it results in freezing systems of
unsuspecting users, and in turn very upset noises being made
- fix kdoc warnings
- annotate various bits of TCP state to prevent data races"
* tag 'net-6.5-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (95 commits)
net: phy: prevent stale pointer dereference in phy_init()
tcp: annotate data-races around fastopenq.max_qlen
tcp: annotate data-races around icsk->icsk_user_timeout
tcp: annotate data-races around tp->notsent_lowat
tcp: annotate data-races around rskq_defer_accept
tcp: annotate data-races around tp->linger2
tcp: annotate data-races around icsk->icsk_syn_retries
tcp: annotate data-races around tp->keepalive_probes
tcp: annotate data-races around tp->keepalive_intvl
tcp: annotate data-races around tp->keepalive_time
tcp: annotate data-races around tp->tsoffset
tcp: annotate data-races around tp->tcp_tx_delay
Bluetooth: MGMT: Use correct address for memcpy()
Bluetooth: btusb: Fix bluetooth on Intel Macbook 2014
Bluetooth: SCO: fix sco_conn related locking and validity issues
Bluetooth: hci_conn: return ERR_PTR instead of NULL when there is no link
Bluetooth: hci_sync: Avoid use-after-free in dbg for hci_remove_adv_monitor()
Bluetooth: coredump: fix building with coredump disabled
Bluetooth: ISO: fix iso_conn related locking and validity issues
Bluetooth: hci_event: call disconnect callback before deleting conn
...
- Fix the idle sibling selection
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Merge tag 'sched_urgent_for_v6.5_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fixes from Borislav Petkov:
- Remove a cgroup from under a polling process properly
- Fix the idle sibling selection
* tag 'sched_urgent_for_v6.5_rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/psi: use kernfs polling functions for PSI trigger polling
sched/fair: Use recent_used_cpu to test p->cpus_ptr
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Merge tag 'block-6.5-2023-07-14' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- NVMe pull request via Keith:
- Don't require quirk to use duplicate namespace identifiers
(Christoph, Sagi)
- One more BOGUS_NID quirk (Pankaj)
- IO timeout and error hanlding fixes for PCI (Keith)
- Enhanced metadata format mask fix (Ankit)
- Association race condition fix for fibre channel (Michael)
- Correct debugfs error checks (Minjie)
- Use PAGE_SECTORS_SHIFT where needed (Damien)
- Reduce kernel logs for legacy nguid attribute (Keith)
- Use correct dma direction when unmapping metadata (Ming)
- Fix for a flush handling regression in this release (Christoph)
- Fix for batched request time stamping (Chengming)
- Fix for a regression in the mq-deadline position calculation (Bart)
- Lockdep fix for blk-crypto (Eric)
- Fix for a regression in the Amiga partition handling changes
(Michael)
* tag 'block-6.5-2023-07-14' of git://git.kernel.dk/linux:
block: queue data commands from the flush state machine at the head
blk-mq: fix start_time_ns and alloc_time_ns for pre-allocated rq
nvme-pci: fix DMA direction of unmapping integrity data
nvme: don't reject probe due to duplicate IDs for single-ported PCIe devices
block/mq-deadline: Fix a bug in deadline_from_pos()
nvme: ensure disabling pairs with unquiesce
nvme-fc: fix race between error recovery and creating association
nvme-fc: return non-zero status code when fails to create association
nvme: fix parameter check in nvme_fault_inject_init()
nvme: warn only once for legacy uuid attribute
block: remove dead struc request->completion_data field
nvme: fix the NVME_ID_NS_NVM_STS_MASK definition
nvmet: use PAGE_SECTORS_SHIFT
nvme: add BOGUS_NID quirk for Samsung SM953
blk-crypto: use dynamic lock class for blk_crypto_profile::lock
block/partition: fix signedness issue for Amiga partitions
fbdev:
- dma: Fix documented default preferred_bpp value
ttm:
- fix warning that we shouldn't mix && and ||
- never consider pinned BOs for eviction&swap
- Don't leak a resource on eviction error
- Don't leak a resource on swapout move error
- fix bulk_move corruption when adding a entry
client:
- Send hotplug event after registering a client
dma-buf:
- keep the signaling time of merged fences v3
- fix an error pointer vs NULL bug
sched:
- wait for all deps in kill jobs
- call set fence parent from scheduled
i915:
- Don't preserve dpll_hw_state for slave crtc in Bigjoiner
- Consider OA buffer boundary when zeroing out reports
- Remove dead code from gen8_pte_encode
- Fix one wrong caching mode enum usage
amdgpu:
- SMU i2c locking fix
- Fix a possible deadlock in process restoration for ROCm apps
- Disable PCIe lane/speed switching on Intel platforms (the platforms don't support it)
nouveau:
- disp: fix HDMI on gt215+
- disp/g94: enable HDMI
- acr: Abort loading ACR if no firmware was found
- bring back blit subchannel for pre nv50 GPUs
- Fix drm_dp_remove_payload() invocation
ivpu:
- Fix VPU register access in irq disable
- Clear specific interrupt status bits on C0
bridge:
- dw_hdmi: fix connector access for scdc
- ti-sn65dsi86: Fix auxiliary bus lifetime
panel:
- simple: Add connector_type for innolux_at043tn24
- simple: Add Powertip PH800480T013 drm_display_mode flags
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Merge tag 'drm-fixes-2023-07-14-1' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Dave Airlie:
"There were a bunch of fixes lined up for 2 weeks, so we have quite a
few scattered fixes, mostly amdgpu and i915, but ttm has a bunch and
nouveau makes an appearance.
So a bit busier than usual for rc2, but nothing seems out of the
ordinary.
fbdev:
- dma: Fix documented default preferred_bpp value
ttm:
- fix warning that we shouldn't mix && and ||
- never consider pinned BOs for eviction&swap
- Don't leak a resource on eviction error
- Don't leak a resource on swapout move error
- fix bulk_move corruption when adding a entry
client:
- Send hotplug event after registering a client
dma-buf:
- keep the signaling time of merged fences v3
- fix an error pointer vs NULL bug
sched:
- wait for all deps in kill jobs
- call set fence parent from scheduled
i915:
- Don't preserve dpll_hw_state for slave crtc in Bigjoiner
- Consider OA buffer boundary when zeroing out reports
- Remove dead code from gen8_pte_encode
- Fix one wrong caching mode enum usage
amdgpu:
- SMU i2c locking fix
- Fix a possible deadlock in process restoration for ROCm apps
- Disable PCIe lane/speed switching on Intel platforms (the platforms
don't support it)
nouveau:
- disp: fix HDMI on gt215+
- disp/g94: enable HDMI
- acr: Abort loading ACR if no firmware was found
- bring back blit subchannel for pre nv50 GPUs
- Fix drm_dp_remove_payload() invocation
ivpu:
- Fix VPU register access in irq disable
- Clear specific interrupt status bits on C0
bridge:
- dw_hdmi: fix connector access for scdc
- ti-sn65dsi86: Fix auxiliary bus lifetime
panel:
- simple: Add connector_type for innolux_at043tn24
- simple: Add Powertip PH800480T013 drm_display_mode flags"
* tag 'drm-fixes-2023-07-14-1' of git://anongit.freedesktop.org/drm/drm: (32 commits)
drm/nouveau: bring back blit subchannel for pre nv50 GPUs
drm/nouveau/acr: Abort loading ACR if no firmware was found
drm/amd: Align SMU11 SMU_MSG_OverridePcieParameters implementation with SMU13
drm/amd: Move helper for dynamic speed switch check out of smu13
drm/amd/pm: conditionally disable pcie lane/speed switching for SMU13
drm/amd/pm: share the code around SMU13 pcie parameters update
drm/amdgpu: avoid restore process run into dead loop.
drm/amd/pm: fix smu i2c data read risk
drm/nouveau/disp/g94: enable HDMI
drm/nouveau/disp: fix HDMI on gt215+
drm/client: Send hotplug event after registering a client
drm/i915: Fix one wrong caching mode enum usage
drm/i915: Remove dead code from gen8_pte_encode
drm/i915/perf: Consider OA buffer boundary when zeroing out reports
drm/i915: Don't preserve dpll_hw_state for slave crtc in Bigjoiner
drm/ttm: never consider pinned BOs for eviction&swap
drm/fbdev-dma: Fix documented default preferred_bpp value
dma-buf: fix an error pointer vs NULL bug
accel/ivpu: Clear specific interrupt status bits on C0
accel/ivpu: Fix VPU register access in irq disable
...
- Fix some missing-prototype warnings
- Fix user events struct args (did not include size of struct)
When creating a user event, the "struct" keyword is to denote
that the size of the field will be passed in. But the parsing
failed to handle this case.
- Add selftest to struct sizes for user events
- Fix sample code for direct trampolines.
The sample code for direct trampolines attached to handle_mm_fault().
But the prototype changed and the direct trampoline sample code
was not updated. Direct trampolines needs to have the arguments correct
otherwise it can fail or crash the system.
- Remove unused ftrace_regs_caller_ret() prototype.
- Quiet false positive of FORTIFY_SOURCE
Due to backward compatibility, the structure used to save stack traces
in the kernel had a fixed size of 8. This structure is exported to
user space via the tracing format file. A change was made to allow
more than 8 functions to be recorded, and user space now uses the
size field to know how many functions are actually in the stack.
But the structure still has size of 8 (even though it points into
the ring buffer that has the required amount allocated to hold a
full stack. This was fine until the fortifier noticed that the
memcpy(&entry->caller, stack, size) was greater than the 8 functions
and would complain at runtime about it. Hide this by using a pointer
to the stack location on the ring buffer instead of using the address
of the entry structure caller field.
- Fix a deadloop in reading trace_pipe that was caused by a mismatch
between ring_buffer_empty() returning false which then asked to
read the data, but the read code uses rb_num_of_entries() that
returned zero, and causing a infinite "retry".
- Fix a warning caused by not using all pages allocated to store
ftrace functions, where this can happen if the linker inserts a bunch of
"NULL" entries, causing the accounting of how many pages needed
to be off.
- Fix histogram synthetic event crashing when the start event is
removed and the end event is still using a variable from it.
- Fix memory leak in freeing iter->temp in tracing_release_pipe()
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Merge tag 'trace-v6.5-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Fix some missing-prototype warnings
- Fix user events struct args (did not include size of struct)
When creating a user event, the "struct" keyword is to denote that
the size of the field will be passed in. But the parsing failed to
handle this case.
- Add selftest to struct sizes for user events
- Fix sample code for direct trampolines.
The sample code for direct trampolines attached to handle_mm_fault().
But the prototype changed and the direct trampoline sample code was
not updated. Direct trampolines needs to have the arguments correct
otherwise it can fail or crash the system.
- Remove unused ftrace_regs_caller_ret() prototype.
- Quiet false positive of FORTIFY_SOURCE
Due to backward compatibility, the structure used to save stack
traces in the kernel had a fixed size of 8. This structure is
exported to user space via the tracing format file. A change was made
to allow more than 8 functions to be recorded, and user space now
uses the size field to know how many functions are actually in the
stack.
But the structure still has size of 8 (even though it points into the
ring buffer that has the required amount allocated to hold a full
stack.
This was fine until the fortifier noticed that the
memcpy(&entry->caller, stack, size) was greater than the 8 functions
and would complain at runtime about it.
Hide this by using a pointer to the stack location on the ring buffer
instead of using the address of the entry structure caller field.
- Fix a deadloop in reading trace_pipe that was caused by a mismatch
between ring_buffer_empty() returning false which then asked to read
the data, but the read code uses rb_num_of_entries() that returned
zero, and causing a infinite "retry".
- Fix a warning caused by not using all pages allocated to store ftrace
functions, where this can happen if the linker inserts a bunch of
"NULL" entries, causing the accounting of how many pages needed to be
off.
- Fix histogram synthetic event crashing when the start event is
removed and the end event is still using a variable from it
- Fix memory leak in freeing iter->temp in tracing_release_pipe()
* tag 'trace-v6.5-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: Fix memory leak of iter->temp when reading trace_pipe
tracing/histograms: Add histograms to hist_vars if they have referenced variables
tracing: Stop FORTIFY_SOURCE complaining about stack trace caller
ftrace: Fix possible warning on checking all pages used in ftrace_process_locs()
ring-buffer: Fix deadloop issue on reading trace_pipe
tracing: arm64: Avoid missing-prototype warnings
selftests/user_events: Test struct size match cases
tracing/user_events: Fix struct arg size match check
x86/ftrace: Remove unsued extern declaration ftrace_regs_caller_ret()
arm64: ftrace: Add direct call trampoline samples support
samples: ftrace: Save required argument registers in sample trampolines
- Don't require quirk to use duplicate namespace identifiers
(Christoph, Sagi)
- One more BOGUS_NID quirk (Pankaj)
- IO timeout and error hanlding fixes for PCI (Keith)
- Enhanced metadata format mask fix (Ankit)
- Association race condition fix for fibre channel (Michael)
- Correct debugfs error checks (Minjie)
- Use PAGE_SECTORS_SHIFT where needed (Damien)
- Reduce kernel logs for legacy nguid attribute (Keith)
- Use correct dma direction when unmapping metadata (Ming)
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Merge tag 'nvme-6.5-2023-07-13' of git://git.infradead.org/nvme into block-6.5
Pull NVMe fixes from Keith:
"nvme fixes for Linux 6.5
- Don't require quirk to use duplicate namespace identifiers
(Christoph, Sagi)
- One more BOGUS_NID quirk (Pankaj)
- IO timeout and error hanlding fixes for PCI (Keith)
- Enhanced metadata format mask fix (Ankit)
- Association race condition fix for fibre channel (Michael)
- Correct debugfs error checks (Minjie)
- Use PAGE_SECTORS_SHIFT where needed (Damien)
- Reduce kernel logs for legacy nguid attribute (Keith)
- Use correct dma direction when unmapping metadata (Ming)"
* tag 'nvme-6.5-2023-07-13' of git://git.infradead.org/nvme:
nvme-pci: fix DMA direction of unmapping integrity data
nvme: don't reject probe due to duplicate IDs for single-ported PCIe devices
nvme: ensure disabling pairs with unquiesce
nvme-fc: fix race between error recovery and creating association
nvme-fc: return non-zero status code when fails to create association
nvme: fix parameter check in nvme_fault_inject_init()
nvme: warn only once for legacy uuid attribute
nvme: fix the NVME_ID_NS_NVM_STS_MASK definition
nvmet: use PAGE_SECTORS_SHIFT
nvme: add BOGUS_NID quirk for Samsung SM953
- Fix fprobe's rethook release timing issue(1). Release rethook after
ftrace_ops is unregistered so that the rethook is not accessed after
free.
- Fix fprobe's rethook access timing issue(2). Stop rethook before
ftrace_ops is unregistered so that the rethook is NOT keep using
after exiting the unregister_fprobe().
- Fix eprobe cleanup logic. If it attaches to multiple events and failes
to enable one of them, rollback all enabled events correctly.
- Fix fprobe to unlock ftrace recursion lock correctly when it missed
by another running kprobe.
- Cleanup kprobe to remove unnecessary NULL.
- Cleanup kprobe to remove unnecessary 0 initializations.
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Merge tag 'probes-fixes-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probes fixes from Masami Hiramatsu:
- Fix fprobe's rethook release issues:
- Release rethook after ftrace_ops is unregistered so that the
rethook is not accessed after free.
- Stop rethook before ftrace_ops is unregistered so that the
rethook is NOT used after exiting unregister_fprobe()
- Fix eprobe cleanup logic. If it attaches to multiple events and
failes to enable one of them, rollback all enabled events correctly.
- Fix fprobe to unlock ftrace recursion lock correctly when it missed
by another running kprobe.
- Cleanup kprobe to remove unnecessary NULL.
- Cleanup kprobe to remove unnecessary 0 initializations.
* tag 'probes-fixes-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
fprobe: Ensure running fprobe_exit_handler() finished before calling rethook_free()
kernel: kprobes: Remove unnecessary ‘0’ values
kprobes: Remove unnecessary ‘NULL’ values from correct_ret_addr
fprobe: add unlock to match a succeeded ftrace_test_recursion_trylock
kernel/trace: Fix cleanup logic of enable_trace_eprobe
fprobe: Release rethook after the ftrace_ops is unregistered
These are all tracing W=1 warnings in arm64 allmodconfig about missing
prototypes:
kernel/trace/trace_kprobe_selftest.c:7:5: error: no previous prototype for 'kprobe_trace_selftest_target' [-Werror=missing-pro
totypes]
kernel/trace/ftrace.c:329:5: error: no previous prototype for '__register_ftrace_function' [-Werror=missing-prototypes]
kernel/trace/ftrace.c:372:5: error: no previous prototype for '__unregister_ftrace_function' [-Werror=missing-prototypes]
kernel/trace/ftrace.c:4130:15: error: no previous prototype for 'arch_ftrace_match_adjust' [-Werror=missing-prototypes]
kernel/trace/fgraph.c:243:15: error: no previous prototype for 'ftrace_return_to_handler' [-Werror=missing-prototypes]
kernel/trace/fgraph.c:358:6: error: no previous prototype for 'ftrace_graph_sleep_time_control' [-Werror=missing-prototypes]
arch/arm64/kernel/ftrace.c:460:6: error: no previous prototype for 'prepare_ftrace_return' [-Werror=missing-prototypes]
arch/arm64/kernel/ptrace.c:2172:5: error: no previous prototype for 'syscall_trace_enter' [-Werror=missing-prototypes]
arch/arm64/kernel/ptrace.c:2195:6: error: no previous prototype for 'syscall_trace_exit' [-Werror=missing-prototypes]
Move the declarations to an appropriate header where they can be seen
by the caller and callee, and make sure the headers are included where
needed.
Link: https://lore.kernel.org/linux-trace-kernel/20230517125215.930689-1-arnd@kernel.org
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Florent Revest <revest@chromium.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
[ Fixed ftrace_return_to_handler() to handle CONFIG_HAVE_FUNCTION_GRAPH_RETVAL case ]
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Before removing checkpoint buffer from the t_checkpoint_list, we have to
check both BH_Dirty and BH_Lock bits together to distinguish buffers
have not been or were being written back. But __cp_buffer_busy() checks
them separately, it first check lock state and then check dirty, the
window between these two checks could be raced by writing back
procedure, which locks buffer and clears buffer dirty before I/O
completes. So it cannot guarantee checkpointing buffers been written
back to disk if some error happens later. Finally, it may clean
checkpoint transactions and lead to inconsistent filesystem.
jbd2_journal_forget() and __journal_try_to_free_buffer() also have the
same problem (journal_unmap_buffer() escape from this issue since it's
running under the buffer lock), so fix them through introducing a new
helper to try holding the buffer lock and remove really clean buffer.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=217490
Cc: stable@vger.kernel.org
Suggested-by: Jan Kara <jack@suse.cz>
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20230606135928.434610-6-yi.zhang@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Since t_checkpoint_io_list was stop using in jbd2_log_do_checkpoint()
now, it's time to remove the whole t_checkpoint_io_list logic.
Signed-off-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20230606135928.434610-3-yi.zhang@huaweicloud.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Ensure running fprobe_exit_handler() has finished before
calling rethook_free() in the unregister_fprobe() so that caller can free
the fprobe right after unregister_fprobe().
unregister_fprobe() ensured that all running fprobe_entry/exit_handler()
have finished by calling unregister_ftrace_function() which synchronizes
RCU. But commit 5f81018753 ("fprobe: Release rethook after the ftrace_ops
is unregistered") changed to call rethook_free() after
unregister_ftrace_function(). So call rethook_stop() to make rethook
disabled before unregister_ftrace_function() and ensure it again.
Here is the possible code flow that can call the exit handler after
unregister_fprobe().
------
CPU1 CPU2
call unregister_fprobe(fp)
...
__fprobe_handler()
rethook_hook() on probed function
unregister_ftrace_function()
return from probed function
rethook hooks
find rh->handler == fprobe_exit_handler
call fprobe_exit_handler()
rethook_free():
set rh->handler = NULL;
return from unreigster_fprobe;
call fp->exit_handler() <- (*)
------
(*) At this point, the exit handler is called after returning from
unregister_fprobe().
This fixes it as following;
------
CPU1 CPU2
call unregister_fprobe()
...
rethook_stop():
set rh->handler = NULL;
__fprobe_handler()
rethook_hook() on probed function
unregister_ftrace_function()
return from probed function
rethook hooks
find rh->handler == NULL
return from rethook
rethook_free()
return from unreigster_fprobe;
------
Link: https://lore.kernel.org/all/168873859949.156157.13039240432299335849.stgit@devnote2/
Fixes: 5f81018753 ("fprobe: Release rethook after the ftrace_ops is unregistered")
Cc: stable@vger.kernel.org
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
As per NVMe command set specification 1.0c Storage tag size is 7 bits.
Fixes: 4020aad85c ("nvme: add support for enhanced metadata")
Signed-off-by: Ankit Kumar <ankit.kumar@samsung.com>
Reviewed-by: Kanchan Joshi <joshi.k@samsung.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Destroying psi trigger in cgroup_file_release causes UAF issues when
a cgroup is removed from under a polling process. This is happening
because cgroup removal causes a call to cgroup_file_release while the
actual file is still alive. Destroying the trigger at this point would
also destroy its waitqueue head and if there is still a polling process
on that file accessing the waitqueue, it will step on the freed pointer:
do_select
vfs_poll
do_rmdir
cgroup_rmdir
kernfs_drain_open_files
cgroup_file_release
cgroup_pressure_release
psi_trigger_destroy
wake_up_pollfree(&t->event_wait)
// vfs_poll is unblocked
synchronize_rcu
kfree(t)
poll_freewait -> UAF access to the trigger's waitqueue head
Patch [1] fixed this issue for epoll() case using wake_up_pollfree(),
however the same issue exists for synchronous poll() case.
The root cause of this issue is that the lifecycles of the psi trigger's
waitqueue and of the file associated with the trigger are different. Fix
this by using kernfs_generic_poll function when polling on cgroup-specific
psi triggers. It internally uses kernfs_open_node->poll waitqueue head
with its lifecycle tied to the file's lifecycle. This also renders the
fix in [1] obsolete, so revert it.
[1] commit c2dbe32d5d ("sched/psi: Fix use-after-free in ep_remove_wait_queue()")
Fixes: 0e94682b73 ("psi: introduce psi monitor")
Closes: https://lore.kernel.org/all/20230613062306.101831-1-lujialin4@huawei.com/
Reported-by: Lu Jialin <lujialin4@huawei.com>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20230630005612.1014540-1-surenb@google.com
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Merge tag 'mm-hotfixes-stable-2023-07-08-10-43' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull hotfixes from Andrew Morton:
"16 hotfixes. Six are cc:stable and the remainder address post-6.4
issues"
The merge undoes the disabling of the CONFIG_PER_VMA_LOCK feature, since
it was all hopefully fixed in mainline.
* tag 'mm-hotfixes-stable-2023-07-08-10-43' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
lib: dhry: fix sleeping allocations inside non-preemptable section
kasan, slub: fix HW_TAGS zeroing with slub_debug
kasan: fix type cast in memory_is_poisoned_n
mailmap: add entries for Heiko Stuebner
mailmap: update manpage link
bootmem: remove the vmemmap pages from kmemleak in free_bootmem_page
MAINTAINERS: add linux-next info
mailmap: add Markus Schneider-Pargmann
writeback: account the number of pages written back
mm: call arch_swap_restore() from do_swap_page()
squashfs: fix cache race with migration
mm/hugetlb.c: fix a bug within a BUG(): inconsistent pte comparison
docs: update ocfs2-devel mailing list address
MAINTAINERS: update ocfs2-devel mailing list address
mm: disable CONFIG_PER_VMA_LOCK until its fixed
fork: lock VMAs of the parent process when forking
Fixes for different bitmap pieces:
- lib/test_bitmap: increment failure counter properly
The tests that don't use expect_eq() macro to determine that a test is
failured must increment failed_tests explicitly.
- lib/bitmap: drop optimization of bitmap_{from,to}_arr64
bitmap_{from,to}_arr64() optimization is overly optimistic on 32-bit LE
architectures when it's wired to bitmap_copy_clear_tail().
- nodemask: Drop duplicate check in for_each_node_mask()
As the return value type of first_node() became unsigned, the node >= 0
became unnecessary.
- cpumask: fix function description kernel-doc notation
- MAINTAINERS: Add bits.h to the BITMAP API record
- MAINTAINERS: Add bitfield.h to the BITMAP API record
Add linux/bits.h and linux/bitfield.h for visibility
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Merge tag 'bitmap-6.5-rc1' of https://github.com/norov/linux
Pull bitmap updates from Yury Norov:
"Fixes for different bitmap pieces:
- lib/test_bitmap: increment failure counter properly
The tests that don't use expect_eq() macro to determine that a test
is failured must increment failed_tests explicitly.
- lib/bitmap: drop optimization of bitmap_{from,to}_arr64
bitmap_{from,to}_arr64() optimization is overly optimistic
on 32-bit LE architectures when it's wired to
bitmap_copy_clear_tail().
- nodemask: Drop duplicate check in for_each_node_mask()
As the return value type of first_node() became unsigned, the node
>= 0 became unnecessary.
- cpumask: fix function description kernel-doc notation
- MAINTAINERS: Add bits.h and bitfield.h to the BITMAP API record
Add linux/bits.h and linux/bitfield.h for visibility"
* tag 'bitmap-6.5-rc1' of https://github.com/norov/linux:
MAINTAINERS: Add bitfield.h to the BITMAP API record
MAINTAINERS: Add bits.h to the BITMAP API record
cpumask: fix function description kernel-doc notation
nodemask: Drop duplicate check in for_each_node_mask()
lib/bitmap: drop optimization of bitmap_{from,to}_arr64
lib/test_bitmap: increment failure counter properly
commit dd0ff4d12d ("bootmem: remove the vmemmap pages from kmemleak in
put_page_bootmem") fix an overlaps existing problem of kmemleak. But the
problem still existed when HAVE_BOOTMEM_INFO_NODE is disabled, because in
this case, free_bootmem_page() will call free_reserved_page() directly.
Fix the problem by adding kmemleak_free_part() in free_bootmem_page() when
HAVE_BOOTMEM_INFO_NODE is disabled.
Link: https://lkml.kernel.org/r/20230704101942.2819426-1-liushixin2@huawei.com
Fixes: f41f2ed43c ("mm: hugetlb: free the vmemmap pages associated with each HugeTLB page")
Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Acked-by: Muchun Song <songmuchun@bytedance.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Previously the clients_lock was protecting the clients array against
concurrent addition/removal of clients but was also accessed from IRQ
context. This meant that it had to be a spinlock and that the add() and
remove() callbacks in which clients need to do allocation and take
mutexes can't be called under the clients_lock. To work around this these
callbacks were moved to workqueues. This not only introduced significant
complexity but is also subtly broken in at least one way.
In ism_dev_init() and ism_dev_exit() clients[i]->tgt_ism is used to
communicate the added/removed ISM device to the work function. While
write access to client[i]->tgt_ism is protected by the clients_lock and
the code waits that there is no pending add/remove work before and after
setting clients[i]->tgt_ism this is not enough. The problem is that the
wait happens based on per ISM device counters. Thus a concurrent
ism_dev_init()/ism_dev_exit() for a different ISM device may overwrite
a clients[i]->tgt_ism between unlocking the clients_lock and the
subsequent wait for the work to finnish.
Thankfully with the clients_lock no longer held in IRQ context it can be
turned into a mutex which can be held during the calls to add()/remove()
completely removing the need for the workqueues and the associated
broken housekeeping including the per ISM device counters and the
clients[i]->tgt_ism.
Fixes: 89e7d2ba61 ("net/ism: Add new API for client registration")
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The clients array references all registered clients and is protected by
the clients_lock. Besides its use as general list of clients the clients
array is accessed in ism_handle_irq() to forward ISM device events to
clients.
While the clients_lock is taken in the IRQ handler when calling
handle_event() it is however incorrectly not held during the
client->handle_irq() call and for the preceding clients[] access leaving
it unprotected against concurrent client (un-)registration.
Furthermore the accesses to ism->sba_client_arr[] in ism_register_dmb()
and ism_unregister_dmb() are not protected by any lock. This is
especially problematic as the client ID from the ism->sba_client_arr[]
is not checked against NO_CLIENT and neither is the client pointer
checked.
Instead of expanding the use of the clients_lock further add a separate
array in struct ism_dev which references clients subscribed to the
device's events and IRQs. This array is protected by ism->lock which is
already taken in ism_handle_irq() and can be taken outside the IRQ
handler when adding/removing subscribers or the accessing
ism->sba_client_arr[]. This also means that the clients_lock is no
longer taken in IRQ context.
Fixes: 89e7d2ba61 ("net/ism: Add new API for client registration")
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Reviewed-by: Alexandra Winter <wintera@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- Make acpi_companion_match() return a const pointer and update its
callers accordingly (Andy Shevchenko).
- Move the extern declaration of the acpi_root variable to a header
file so as to address a compiler warning (Andy Shevchenko).
- Address compiler warnings in the ACPI device enumeration code by
adding a missing header file include to it (Ben Dooks).
- Refine the SMB0001 quirk in the ACPI device enumeration code so as to
address an i2c-scmi driver regression (Andy Shevchenko).
- Clean up two pieces of the ACPI device enumeration code (Andy
Shevchenko).
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Merge tag 'acpi-6.5-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These fix a couple of compiler warnings, refine an ACPI device
enumeration quirk to address a driver regression and clean up code.
Specifics:
- Make acpi_companion_match() return a const pointer and update its
callers accordingly (Andy Shevchenko)
- Move the extern declaration of the acpi_root variable to a header
file so as to address a compiler warning (Andy Shevchenko)
- Address compiler warnings in the ACPI device enumeration code by
adding a missing header file include to it (Ben Dooks)
- Refine the SMB0001 quirk in the ACPI device enumeration code so as
to address an i2c-scmi driver regression (Andy Shevchenko)
- Clean up two pieces of the ACPI device enumeration code (Andy
Shevchenko)"
* tag 'acpi-6.5-rc1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: scan: Use the acpi_match_acpi_device() helper
ACPI: platform: Move SMB0001 HID to the header and reuse
ACPI: platform: Ignore SMB0001 only when it has resources
ACPI: bus: Introduce acpi_match_acpi_device() helper
ACPI: scan: fix undeclared variable warnings by including sleep.h
ACPI: bus: Constify acpi_companion_match() returned value
ACPI: scan: Move acpi_root to internal header
These are cleanups for architecture specific header files:
- the comments in include/linux/syscalls.h have gone out of sync
and are really pointless, so these get removed
- The asm/bitsperlong.h header no longer needs to be architecture
specific on modern compilers, so use a generic version for newer
architectures that use new enough userspace compilers
- A cleanup for virt_to_pfn/virt_to_bus to have proper type
checking, forcing the use of pointers
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Merge tag 'asm-generic-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic updates from Arnd Bergmann:
"These are cleanups for architecture specific header files:
- the comments in include/linux/syscalls.h have gone out of sync and
are really pointless, so these get removed
- The asm/bitsperlong.h header no longer needs to be architecture
specific on modern compilers, so use a generic version for newer
architectures that use new enough userspace compilers
- A cleanup for virt_to_pfn/virt_to_bus to have proper type checking,
forcing the use of pointers"
* tag 'asm-generic-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
syscalls: Remove file path comments from headers
tools arch: Remove uapi bitsperlong.h of hexagon and microblaze
asm-generic: Unify uapi bitsperlong.h for arm64, riscv and loongarch
m68k/mm: Make pfn accessors static inlines
arm64: memory: Make virt_to_pfn() a static inline
ARM: mm: Make virt_to_pfn() a static inline
asm-generic/page.h: Make pfn accessors static inlines
xen/netback: Pass (void *) to virt_to_page()
netfs: Pass a pointer to virt_to_page()
cifs: Pass a pointer to virt_to_page() in cifsglob
cifs: Pass a pointer to virt_to_page()
riscv: mm: init: Pass a pointer to virt_to_page()
ARC: init: Pass a pointer to virt_to_pfn() in init
m68k: Pass a pointer to virt_to_pfn() virt_to_page()
fs/proc/kcore.c: Pass a pointer to virt_addr_valid()
New support:
- TI J721S2 CSI BCDMA support
Updates:
- Native HDMI support for dw edma driver
- ste dma40 updates for supporting proper SRAM handle in DT
- removal of dma device chancnt setting in drivers
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Merge tag 'dmaengine-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"New support:
- TI J721S2 CSI BCDMA support
Updates:
- Native HDMI support for dw edma driver
- ste dma40 updates for supporting proper SRAM handle in DT
- removal of dma device chancnt setting in drivers"
* tag 'dmaengine-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (28 commits)
dmaengine: sprd: Don't set chancnt
dmaengine: hidma: Don't set chancnt
dmaengine: plx_dma: Don't set chancnt
dmaengine: axi-dmac: Don't set chancnt
dmaengine: dw-axi-dmac: Don't set chancnt
dmaengine: qcom: bam_dma: allow omitting num-{channels,ees}
dmaengine: dw-edma: Add HDMA DebugFS support
dmaengine: dw-edma: Add support for native HDMA
dmaengine: dw-edma: Create a new dw_edma_core_ops structure to abstract controller operation
dmaengine: dw-edma: Rename dw_edma_core_ops structure to dw_edma_plat_ops
dmaengine: ste_dma40: use proper format string for resource_size_t
dmaengine: make QCOM_HIDMA depend on HAS_IOMEM
dmaengine: ste_dma40: fix typo in enum documentation
dmaengine: ste_dma40: use correct print specfier for resource_size_t
MAINTAINERS: Add myself as the DW eDMA driver reviewer
MAINTAINERS: Add Manivannan to DW eDMA driver maintainers list
MAINTAINERS: Demote Gustavo Pimentel to DW EDMA driver reviewer
dmaengine: ti: k3-udma: Add support for J721S2 CSI BCDMA instance
dt-bindings: dma: ti: Add J721S2 BCDMA
dmaengine: ti: k3-psil-j721s2: Add PSI-L thread map for main CPSW2G
...
- sh: Provide unxlate_dev_mem_ptr() in asm/io.h
- sh: dma: Correct the number of DMA channels for SH7709
- sh: dma: Drop incorrect SH_DMAC_BASE1 definition for SH4
- sh: dma: Fix DMA channel offset calculation
- sh: Remove compiler flag duplication
- sh: Refactor header include path addition
- sh: Move build rule for cchips/hd6446x/ to arch/sh/Kbuild
- sh: Fix -Wmissing-include-dirs warnings for various platforms
- sh: Avoid using IRQ0 on SH3 and SH4
- sh: j2: Use ioremap() to translate device tree address into kernel memory
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Merge tag 'sh-for-v6.5-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux
Pull sh updates from Adrian Glaubitz:
"Fix a compiler warning in the J2 probing code and a fix by Sergey
Shtylyov to avoid using IRQ0 on SH3 and SH4 targets. Masahiro Yamada
made some clean-up in the build system to address reports by the 0day
bot.
The most notable changes come from Artur Rojek who addressed a number
of issues in the DMA code, in particular a fix for the DMA channel
offset calculation that was introduced in in 7f47c7189b ("sh: dma:
More legacy cpu dma chainsawing.") in 2012!
Together with another change to correct the number of DMA channels for
each SuperH SoC according to specification, Artur's series unbreaks
the kernel on the SH7709 SoC allowing Linux to boot on the HP Jornada
680 handheld again.
Summary:
- Provide unxlate_dev_mem_ptr() in asm/io.h
- dma: Correct the number of DMA channels for SH7709
- dma: Drop incorrect SH_DMAC_BASE1 definition for SH4
- dma: Fix DMA channel offset calculation
- Remove compiler flag duplication
- Refactor header include path addition
- Move build rule for cchips/hd6446x/ to arch/sh/Kbuild
- Fix -Wmissing-include-dirs warnings for various platforms
- Avoid using IRQ0 on SH3 and SH4
- j2: Use ioremap() to translate device tree address into kernel
memory"
* tag 'sh-for-v6.5-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/glaubitz/sh-linux:
sh: Provide unxlate_dev_mem_ptr() in asm/io.h
sh: dma: Correct the number of DMA channels for SH7709
sh: dma: Drop incorrect SH_DMAC_BASE1 definition for SH4
sh: dma: Fix DMA channel offset calculation
sh: Remove compiler flag duplication
sh: Refactor header include path addition
sh: Move build rule for cchips/hd6446x/ to arch/sh/Kbuild
sh: Fix -Wmissing-include-dirs warnings for various platforms
sh: Avoid using IRQ0 on SH3 and SH4
sh: j2: Use ioremap() to translate device tree address into kernel memory
- New Support
- Debugfs support for phy core and mediatek driver
- Hisilicon inno-usb2-phy driver supporting Hi3798MV100
- Qualcomm SGMII SerDes PHY driver, SM6115 & QCM2290 QMP-USB support,
SA8775P USB PHY & USB3 UNI support, QUSB2 support for IPQ9574, IPQ9574 USB3 PHY
- Updates
- Sparx5 serdes phy power optimzation
- cadence salvo usb properties and updates and torrent DP with PCIe &
USB support
- Yaml conversion for Broadcom kona USB bindings and MXS USB binding
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Merge tag 'phy-for-6.5_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy updates from Vinod Koul:
"New Support:
- Debugfs support for phy core and mediatek driver
- Hisilicon inno-usb2-phy driver supporting Hi3798MV100
- Qualcomm SGMII SerDes PHY driver, SM6115 & QCM2290 QMP-USB support,
SA8775P USB PHY & USB3 UNI support, QUSB2 support for IPQ9574,
IPQ9574 USB3 PHY
UpdatesL
- Sparx5 serdes phy power optimzation
- cadence salvo usb properties and updates and torrent DP with PCIe &
USB support
- Yaml conversion for Broadcom kona USB bindings and MXS USB binding"
* tag 'phy-for-6.5_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (67 commits)
dt-bindings: phy: brcm,brcmstb-usb-phy: Fix error in "compatible" conditional schema
dt-bindings: phy: mixel,mipi-dsi-phy: Remove assigned-clock* properties
dt-bindings: phy: intel,combo-phy: restrict node name suffixes
dt-bindings: phy: qcom,usb-hs-phy: Add compatible
phy: tegra: xusb: check return value of devm_kzalloc()
phy: qcom: qmp-combo: fix Display Port PHY configuration for SM8550
phy: qcom: add the SGMII SerDes PHY driver
dt-bindings: phy: describe the Qualcomm SGMII PHY
phy: qualcomm: fix indentation in Makefile
phy: usb: suppress OC condition for 7439b2
phy: usb: Turn off phy when port is in suspend
phy: tegra: xusb: Clear the driver reference in usb-phy dev
dt-bindings: phy: mxs-usb-phy: add imx8ulp and imx8qm compatible
dt-bindings: phy: mxs-usb-phy: convert to DT schema format
dt-bindings: phy: qcom,qmp-usb: fix bindings error
dt-bindings: phy: qcom,qmp-ufs: fix the sc8180x regs
dt-bindings: phy: qcom,qmp-pcie: fix the sc8180x regs
phy: mediatek: tphy: add debugfs files
phy: core: add debugfs files
phy: fsl-imx8mp-usb: add support for phy tuning
...
Current release - regressions:
- nvme-tcp: fix comma-related oops after sendpage changes
Current release - new code bugs:
- ptp: make max_phase_adjustment sysfs device attribute invisible
when not supported
Previous releases - regressions:
- sctp: fix potential deadlock on &net->sctp.addr_wq_lock
- mptcp:
- ensure subflow is unhashed before cleaning the backlog
- do not rely on implicit state check in mptcp_listen()
Previous releases - always broken:
- net: fix net_dev_start_xmit trace event vs skb_transport_offset()
- Bluetooth:
- fix use-bdaddr-property quirk
- L2CAP: fix multiple UaFs
- ISO: use hci_sync for setting CIG parameters
- hci_event: fix Set CIG Parameters error status handling
- hci_event: fix parsing of CIS Established Event
- MGMT: fix marking SCAN_RSP as not connectable
- wireguard: queuing: use saner cpu selection wrapping
- sched: act_ipt: various bug fixes for iptables <> TC interactions
- sched: act_pedit: add size check for TCA_PEDIT_PARMS_EX
- dsa: fixes for receiving PTP packets with 8021q and sja1105 tagging
- eth: sfc: fix null-deref in devlink port without MAE access
- eth: ibmvnic: do not reset dql stats on NON_FATAL err
Misc:
- xsk: honor SO_BINDTODEVICE on bind
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bluetooth, bpf and wireguard.
Current release - regressions:
- nvme-tcp: fix comma-related oops after sendpage changes
Current release - new code bugs:
- ptp: make max_phase_adjustment sysfs device attribute invisible
when not supported
Previous releases - regressions:
- sctp: fix potential deadlock on &net->sctp.addr_wq_lock
- mptcp:
- ensure subflow is unhashed before cleaning the backlog
- do not rely on implicit state check in mptcp_listen()
Previous releases - always broken:
- net: fix net_dev_start_xmit trace event vs skb_transport_offset()
- Bluetooth:
- fix use-bdaddr-property quirk
- L2CAP: fix multiple UaFs
- ISO: use hci_sync for setting CIG parameters
- hci_event: fix Set CIG Parameters error status handling
- hci_event: fix parsing of CIS Established Event
- MGMT: fix marking SCAN_RSP as not connectable
- wireguard: queuing: use saner cpu selection wrapping
- sched: act_ipt: various bug fixes for iptables <> TC interactions
- sched: act_pedit: add size check for TCA_PEDIT_PARMS_EX
- dsa: fixes for receiving PTP packets with 8021q and sja1105 tagging
- eth: sfc: fix null-deref in devlink port without MAE access
- eth: ibmvnic: do not reset dql stats on NON_FATAL err
Misc:
- xsk: honor SO_BINDTODEVICE on bind"
* tag 'net-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (70 commits)
nfp: clean mc addresses in application firmware when closing port
selftests: mptcp: pm_nl_ctl: fix 32-bit support
selftests: mptcp: depend on SYN_COOKIES
selftests: mptcp: userspace_pm: report errors with 'remove' tests
selftests: mptcp: userspace_pm: use correct server port
selftests: mptcp: sockopt: return error if wrong mark
selftests: mptcp: sockopt: use 'iptables-legacy' if available
selftests: mptcp: connect: fail if nft supposed to work
mptcp: do not rely on implicit state check in mptcp_listen()
mptcp: ensure subflow is unhashed before cleaning the backlog
s390/qeth: Fix vipa deletion
octeontx-af: fix hardware timestamp configuration
net: dsa: sja1105: always enable the send_meta options
net: dsa: tag_sja1105: fix MAC DA patching from meta frames
net: Replace strlcpy with strscpy
pptp: Fix fib lookup calls.
mlxsw: spectrum_router: Fix an IS_ERR() vs NULL check
net/sched: act_pedit: Add size check for TCA_PEDIT_PARMS_EX
xsk: Honor SO_BINDTODEVICE on bind
ptp: Make max_phase_adjustment sysfs device attribute invisible when not supported
...
When a device-mapper device is passing through the inline encryption
support of an underlying device, calls to blk_crypto_evict_key() take
the blk_crypto_profile::lock of the device-mapper device, then take the
blk_crypto_profile::lock of the underlying device (nested). This isn't
a real deadlock, but it causes a lockdep report because there is only
one lock class for all instances of this lock.
Lockdep subclasses don't really work here because the hierarchy of block
devices is dynamic and could have more than 2 levels.
Instead, register a dynamic lock class for each blk_crypto_profile, and
associate that with the lock.
This avoids false-positive lockdep reports like the following:
============================================
WARNING: possible recursive locking detected
6.4.0-rc5 #2 Not tainted
--------------------------------------------
fscryptctl/1421 is trying to acquire lock:
ffffff80829ca418 (&profile->lock){++++}-{3:3}, at: __blk_crypto_evict_key+0x44/0x1c0
but task is already holding lock:
ffffff8086b68ca8 (&profile->lock){++++}-{3:3}, at: __blk_crypto_evict_key+0xc8/0x1c0
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&profile->lock);
lock(&profile->lock);
*** DEADLOCK ***
May be due to missing lock nesting notation
Fixes: 1b26283970 ("block: Keyslot Manager for Inline Encryption")
Reported-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230610061139.212085-1-ebiggers@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
In this cycle, we've mainly investigated the zoned block device support along
with patches such as correcting write pointers between f2fs and storage, adding
asynchronous zone reset flow, and managing the number of open zones. Other than
them, f2fs adds another mount option, "errors=x" to specify how to handle when
it detects an unexpected behavior at runtime.
Enhancement:
- support errors=remount-ro|continue|panic mountoption
- enforce some inode flag policies
- allow .tmp compression given extensions
- add some ioctls to manage the f2fs compression
- improve looped node chain flow
- avoid issuing small-sized discard commands during checkpoint
- implement an asynchronous zone reset
Bug fix:
- fix deadlock in xattr and inode page lock
- fix and add sanity check in some error paths
- fix to avoid NULL pointer dereference f2fs_write_end_io() along with put_super
- set proper flags to quota files
- fix potential deadlock due to unpaired node_write lock use
- fix over-estimating free section during FG GC
- fix the wrong condition to determine atomic context
As usual, also there are a number of patches having code refactoring and minor
clean-ups.
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Merge tag 'f2fs-for-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"In this cycle, we've mainly investigated the zoned block device
support along with patches such as correcting write pointers between
f2fs and storage, adding asynchronous zone reset flow, and managing
the number of open zones.
Other than them, f2fs adds another mount option, "errors=x" to specify
how to handle when it detects an unexpected behavior at runtime.
Enhancements:
- support 'errors=remount-ro|continue|panic' mount option
- enforce some inode flag policies
- allow .tmp compression given extensions
- add some ioctls to manage the f2fs compression
- improve looped node chain flow
- avoid issuing small-sized discard commands during checkpoint
- implement an asynchronous zone reset
Bug fixes:
- fix deadlock in xattr and inode page lock
- fix and add sanity check in some error paths
- fix to avoid NULL pointer dereference f2fs_write_end_io() along
with put_super
- set proper flags to quota files
- fix potential deadlock due to unpaired node_write lock use
- fix over-estimating free section during FG GC
- fix the wrong condition to determine atomic context
As usual, also there are a number of patches with code refactoring and
minor clean-ups"
* tag 'f2fs-for-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (46 commits)
f2fs: fix to do sanity check on direct node in truncate_dnode()
f2fs: only set release for file that has compressed data
f2fs: fix compile warning in f2fs_destroy_node_manager()
f2fs: fix error path handling in truncate_dnode()
f2fs: fix deadlock in i_xattr_sem and inode page lock
f2fs: remove unneeded page uptodate check/set
f2fs: update mtime and ctime in move file range method
f2fs: compress tmp files given extension
f2fs: refactor struct f2fs_attr macro
f2fs: convert to use sbi directly
f2fs: remove redundant assignment to variable err
f2fs: do not issue small discard commands during checkpoint
f2fs: check zone write pointer points to the end of zone
f2fs: add f2fs_ioc_get_compress_blocks
f2fs: cleanup MIN_INLINE_XATTR_SIZE
f2fs: add helper to check compression level
f2fs: set FMODE_CAN_ODIRECT instead of a dummy direct_IO method
f2fs: do more sanity check on inode
f2fs: compress: fix to check validity of i_compress_flag field
f2fs: add sanity compress level check for compressed file
...
These are the first few patches in the Scope-based Resource Management
series that introduce the infrastructure but not any conversions as of
yet.
Adding the infrastructure now allows multiple people to start using them.
Of note is that Sparse will need some work since it doesn't yet
understand this attribute and might have decl-after-stmt issues -- but I
think that's being worked on.
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Merge tag 'core_guards_for_6.5_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue
Pull scope-based resource management infrastructure from Peter Zijlstra:
"These are the first few patches in the Scope-based Resource Management
series that introduce the infrastructure but not any conversions as of
yet.
Adding the infrastructure now allows multiple people to start using
them.
Of note is that Sparse will need some work since it doesn't yet
understand this attribute and might have decl-after-stmt issues"
* tag 'core_guards_for_6.5_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue:
kbuild: Drop -Wdeclaration-after-statement
locking: Introduce __cleanup() based infrastructure
apparmor: Free up __cleanup() name
dmaengine: ioat: Free up __cleanup() name
incl_srcpt has the limitation, mentioned in commit b4638af888 ("net:
dsa: sja1105: always enable the INCL_SRCPT option"), that frames with a
MAC DA of 01:80:c2:xx:yy:zz will be received as 01:80:c2:00:00:zz unless
PTP RX timestamping is enabled.
The incl_srcpt option was initially unconditionally enabled, then that
changed with commit 42824463d3 ("net: dsa: sja1105: Limit use of
incl_srcpt to bridge+vlan mode"), then again with b4638af888 ("net:
dsa: sja1105: always enable the INCL_SRCPT option"). Bottom line is that
it now needs to be always enabled, otherwise the driver does not have a
reliable source of information regarding source_port and switch_id for
link-local traffic (tag_8021q VLANs may be imprecise since now they
identify an entire bridging domain when ports are not standalone).
If we accept that PTP RX timestamping (and therefore, meta frame
generation) is always enabled in hardware, then that limitation could be
avoided and packets with any MAC DA can be properly received, because
meta frames do contain the original bytes from the MAC DA of their
associated link-local packet.
This change enables meta frame generation unconditionally, which also
has the nice side effects of simplifying the switch control path
(a switch reset is no longer required on hwtstamping settings change)
and the tagger data path (it no longer needs to be informed whether to
expect meta frames or not - it always does).
Fixes: 227d07a07e ("net: dsa: sja1105: Add support for traffic through standalone ports")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The updates consist of three parts; UAPI update, OHCI driver update, and
several bug fixes.
Firstly, the 1394 OHCI specification defines method to retrieve hardware
time stamps for asynchronous communication, which was previously
unavailable in user space. This change adds new events to the UAPI,
allowing applications to retrieve the time when asynchronous packet are
received and sent. The new events are tested in the breeding edge of
libhinawa and look to work well. The new version of libhinawa will be
released after current merge window is closed.
* https://git.kernel.org/pub/scm/libs/ieee1394/libhinawa.git/
Secondly, the FireWire stack includes a PCM device driver for 1394 OHCI
hardware, This change modernizes the driver by managed resource (devres)
framework.
Lastly, the rest of change is bug fixes for firewire-net and firewire-core.
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Merge tag 'firewire-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire updates from Takashi Sakamoto:
"This consist of three parts; UAPI update, OHCI driver update, and
several bug fixes.
Firstly, the 1394 OHCI specification defines method to retrieve
hardware time stamps for asynchronous communication, which was
previously unavailable in user space. This adds new events to the
UAPI, allowing applications to retrieve the time when asynchronous
packet are received and sent. The new events are tested in the
bleeding edge of libhinawa and look to work well. The new version of
libhinawa will be released after current merge window is closed:
https://git.kernel.org/pub/scm/libs/ieee1394/libhinawa.git/
Secondly, the FireWire stack includes a PCM device driver for 1394
OHCI hardware, This change modernizes the driver by managed resource
(devres) framework.
Lastly, bug fixes for firewire-net and firewire-core"
* tag 'firewire-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394: (25 commits)
firewire: net: fix use after free in fwnet_finish_incoming_packet()
firewire: core: obsolete usage of GFP_ATOMIC at building node tree
firewire: ohci: release buffer for AR req/resp contexts when managed resource is released
firewire: ohci: use devres for content of configuration ROM
firewire: ohci: use devres for IT, IR, AT/receive, and AT/request contexts
firewire: ohci: use devres for list of isochronous contexts
firewire: ohci: use devres for requested IRQ
firewire: ohci: use devres for misc DMA buffer
firewire: ohci: use devres for MMIO region mapping
firewire: ohci: use devres for PCI-related resources
firewire: ohci: use devres for memory object of ohci structure
firewire: fix warnings to generate UAPI documentation
firewire: fix build failure due to missing module license
firewire: cdev: implement new event relevant to phy packet with time stamp
firewire: cdev: add new event to notify phy packet with time stamp
firewire: cdev: code refactoring to dispatch event for phy packet
firewire: cdev: implement new event to notify response subaction with time stamp
firewire: cdev: add new event to notify response subaction with time stamp
firewire: cdev: code refactoring to operate event of response
firewire: core: implement variations to send request and wait for response with time stamp
...
Match the ACPI device against a given list of ACPI IDs.
Subsequent changes will make use of this.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[ rjw: Changelog edit ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Merge tag 'block-6.5-2023-07-03' of git://git.kernel.dk/linux
Pull more block updates from Jens Axboe:
"Mostly items that came in a bit late for the initial pull request,
wanted to make sure they had the appropriate amount of linux-next soak
before going upstream.
Outside of stragglers, just generic fixes for either merge window
items, or longer standing bugs"
* tag 'block-6.5-2023-07-03' of git://git.kernel.dk/linux: (25 commits)
md/raid0: add discard support for the 'original' layout
nvme: disable controller on reset state failure
nvme: sync timeout work on failed reset
nvme: ensure unquiesce on teardown
cdrom/gdrom: Fix build error
nvme: improved uring polling
block: add request polling helper
nvme-mpath: fix I/O failure with EAGAIN when failing over I/O
nvme: host: fix command name spelling
blk-sysfs: add a new attr_group for blk_mq
blk-iocost: move wbt_enable/disable_default() out of spinlock
blk-wbt: cleanup rwb_enabled() and wbt_disabled()
blk-wbt: remove dead code to handle wbt enable/disable with io inflight
blk-wbt: don't create wbt sysfs entry if CONFIG_BLK_WBT is disabled
blk-mq: fix two misuses on RQF_USE_SCHED
blk-throttle: Fix io statistics for cgroup v1
bcache: Fix bcache device claiming
bcache: Alloc holder object before async registration
raid10: avoid spin_lock from fastpath from raid10_unplug()
md: fix 'delete_mutex' deadlock
...
* fix build warning with W=1
* drop error handling for debugfs
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Merge tag 'hsi-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi
Pull HSI updates from Sebastian Reichel:
- fix build warning with W=1
- drop error handling for debugfs
* tag 'hsi-for-6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-hsi:
HSI: omap_ssi_port: Drop error checking for debugfs_create_dir
HSI: fix ssi_waketest() declaration
resume support in vdpa/solidrun
structure size optimizations in virtio_pci
new pds_vdpa driver
immediate initialization mechanism for vdpa/ifcvf
interrupt bypass for vdpa/mlx5
multiple worker support for vhost
viirtio net in Intel F2000X-PL support for vdpa/ifcvf
fixes, cleanups all over the place
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio updates from Michael Tsirkin:
- resume support in vdpa/solidrun
- structure size optimizations in virtio_pci
- new pds_vdpa driver
- immediate initialization mechanism for vdpa/ifcvf
- interrupt bypass for vdpa/mlx5
- multiple worker support for vhost
- viirtio net in Intel F2000X-PL support for vdpa/ifcvf
- fixes, cleanups all over the place
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (48 commits)
vhost: Make parameter name match of vhost_get_vq_desc()
vduse: fix NULL pointer dereference
vhost: Allow worker switching while work is queueing
vhost_scsi: add support for worker ioctls
vhost: allow userspace to create workers
vhost: replace single worker pointer with xarray
vhost: add helper to parse userspace vring state/file
vhost: remove vhost_work_queue
vhost_scsi: flush IO vqs then send TMF rsp
vhost_scsi: convert to vhost_vq_work_queue
vhost_scsi: make SCSI cmd completion per vq
vhost_sock: convert to vhost_vq_work_queue
vhost: convert poll work to be vq based
vhost: take worker or vq for flushing
vhost: take worker or vq instead of dev for queueing
vhost, vhost_net: add helper to check if vq has work
vhost: add vhost_worker pointer to vhost_virtqueue
vhost: dynamically allocate vhost_worker
vhost: create worker at end of vhost_dev_set_owner
virtio_bt: call scheduler when we free unused buffs
...
Linus Torvalds