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The line_index member in the struct acpi_gpio_params replicates
what is covered in the ACPI GpioIo() or GpioInt() resource.
The value there is limited to 16-bit one, so we don't really need
to have a full 32-bit storage for it. Together with followed
boolean the structure will be smaller.
add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-3 (-3)
Function old new delta
acpi_gpio_property_lookup 417 414 -3
Total: Before=15361, After=15358, chg -0.02%
`pahole` difference before and after:
- /* size: 12, cachelines: 1, members: 3 */
- /* padding: 3 */
+ /* size: 8, cachelines: 1, members: 3 */
+ /* padding: 1 */
Acked-by: Mika Westerberg <westeri@kernel.org>
Link: https://lore.kernel.org/r/20250403160034.2680485-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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Normally scratch page is not allowed when a vm is operate under page
fault mode, i.e., in the existing codes, DRM_XE_VM_CREATE_FLAG_SCRATCH_PAGE
and DRM_XE_VM_CREATE_FLAG_FAULT_MODE are mutual exclusive. The reason
is fault mode relies on recoverable page to work, while scratch page
can mute recoverable page fault.
On xe2 and xe3, out of bound prefetch can cause page fault and further
system hang because xekmd can't resolve such page fault. SYCL and OCL
language runtime requires out of bound prefetch to be silently dropped
without causing any functional problem, thus the existing behavior
doesn't meet language runtime requirement.
At the same time, HW prefetching can cause page fault interrupt. Due to
page fault interrupt overhead (i.e., need Guc and KMD involved to fix
the page fault), HW prefetching can be slowed by many orders of magnitude.
Fix those problems by allowing scratch page under fault mode for xe2 and
xe3. With scratch page in place, HW prefetching could always hit scratch
page instead of causing interrupt.
A side effect is, scratch page could hide application program error.
Application out of bound accesses are hided by scratch page mapping,
instead of get reported to user.
v2: Refine commit message (Thomas)
v3: Move the scratch page flag check to after scratch page wa (Thomas)
v4: drop NEEDS_SCRATCH macro (matt)
Add a comment to DRM_XE_VM_CREATE_FLAG_SCRATCH_PAGE
Signed-off-by: Oak Zeng <oak.zeng@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://lore.kernel.org/r/20250403165328.2438690-4-oak.zeng@intel.com
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
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<crypto/internal/chacha.h> is now included only by crypto/chacha.c, so
fold it into there.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Following the example of the crc32 and crc32c code, make the crypto
subsystem register both generic and architecture-optimized chacha20,
xchacha20, and xchacha12 skcipher algorithms, all implemented on top of
the appropriate library functions. This eliminates the need for every
architecture to implement the same skcipher glue code.
To register the architecture-optimized skciphers only when
architecture-optimized code is actually being used, add a function
chacha_is_arch_optimized() and make each arch implement it. Change each
architecture's ChaCha module_init function to arch_initcall so that the
CPU feature detection is guaranteed to run before
chacha_is_arch_optimized() gets called by crypto/chacha.c. In the case
of s390, remove the CPU feature based module autoloading, which is no
longer needed since the module just gets pulled in via function linkage.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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crypto_ctr_encrypt_walk() is no longer used so remove it.
Note that some existing drivers currently rely on the transitive
includes of some other crypto headers so retain those for the time
being.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Update the documentation to be consistent with the fact that shash
may not be used in hard IRQs.
Reported-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add new API interface to do SEV/SNP platform shutdown when KVM module
is unloaded.
Reviewed-by: Dionna Glaze <dionnaglaze@google.com>
Reviewed-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Ashish Kalra <ashish.kalra@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Add acomp_walk which is similar to skcipher_walk but tailored for
acomp.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Move the dynamic stream allocation code into acomp and make it
available as a helper for acomp algorithms.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Per-cpu buffers can be wasteful when the number of CPUs is large,
especially if the buffer itself is likely to never be used. Reduce
such wastage by only allocating them on first use of a particular
CPU.
On start-up allocate a single buffer on the first possible CPU.
For every other CPU a work struct will be scheduled on first use
to allocate the buffer for that CPU. Until the allocation succeeds
simply use the first CPU's buffer which is protected under a spin
lock.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Commit 9ae4577bc077 ("crypto: api - Use work queue in
crypto_destroy_instance") introduced a work struct to free an
instance after the last user goes away.
Move the delayed work from the instance into its template so that
when the template is unregistered it can ensure that all its
instances have been freed before returning.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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The CS related fields are sparse in the struct spi_device. Group them.
While at it, fix the comment style of cs_index_mask.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://patch.msgid.link/20250331103609.4160281-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Since commit e894efef9ac7 ("ASoC: core: add support to card rebind")
there is a support for card rebind. The support is only partial though.
Let's consider the following scenarios both of which aim to enumerate a
sound card:
1)
snd_soc_add_component(comp1);
(...)
snd_soc_register_card(card1);
2)
snd_soc_register_card(card1);
(...)
snd_soc_add_component(comp1);
For the sake of simplicity, let comp1 be the last dependency needed for
the card1 to enumerate.
Case 1) will end up succeeding whereas 2) is a certain fail -
snd_soc_bind_card() does not honor unbind_card_list so even a non-fatal
return code of EPROBE_DEFER will cause the card to collapse. Given the
typical usecase of platform_device serving as a card->dev and its
probe() ending with:
int carddev_probe(struct platform_device *pdev)
{
(...)
return devm_snd_soc_register_card(dev, card);
}
failure to register card triggers device_unbind_cleanup() -
really_probe() in dd.c.
To allow for card registration to be deferred while being friendly
towards existing users of devm_snd_soc_register_card(), add new
card->devres_dev field, and devm_xxx() variants for card registration:
devm_snd_soc_register_deferrable_card() (external)
devm_snd_soc_bind_card() (internal)
In essence, if requested, devm_snd_soc_bind_card() replaces
snd_soc_bind_card(). The rebind procedure takes care of destroying
old devres before attempting the new bind. This makes sure nothing is
left hanging if binding fails and card becomes unbound but is still
registered to the ASoC framework.
To allow snd_soc_bind_card() to be reused by the deferrable friends,
move 'client_mutex' locking to the function's callers and select between
devm_xxx and non-devm_xxx variants of snd_soc_bind_card() based on
card->devres_dev.
On top of the feature, the refactoring brings two benefits:
a) single lock/unlock of 'client_mutex' in snd_soc_add_component()
instead of ambiguous unlock and immediate lock in
snd_soc_try_rebind_card()
b) all unbind_card_list manipulations done under 'client_mutex'
Reviewed-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://patch.msgid.link/20250404101622.3673850-1-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer cleanups from Thomas Gleixner:
"A set of final cleanups for the timer subsystem:
- Convert all del_timer[_sync]() instances over to the new
timer_delete[_sync]() API and remove the legacy wrappers.
Conversion was done with coccinelle plus some manual fixups as
coccinelle chokes on scoped_guard().
- The final cleanup of the hrtimer_init() to hrtimer_setup()
conversion.
This has been delayed to the end of the merge window, so that all
patches which have been merged through other trees are in mainline
and all new users are catched.
Doing this right before rc1 ensures that new code which is merged post
rc1 is not introducing new instances of the original functionality"
* tag 'timers-cleanups-2025-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tracing/timers: Rename the hrtimer_init event to hrtimer_setup
hrtimers: Rename debug_init_on_stack() to debug_setup_on_stack()
hrtimers: Rename debug_init() to debug_setup()
hrtimers: Rename __hrtimer_init_sleeper() to __hrtimer_setup_sleeper()
hrtimers: Remove unnecessary NULL check in hrtimer_start_range_ns()
hrtimers: Make callback function pointer private
hrtimers: Merge __hrtimer_init() into __hrtimer_setup()
hrtimers: Switch to use __htimer_setup()
hrtimers: Delete hrtimer_init()
treewide: Convert new and leftover hrtimer_init() users
treewide: Switch/rename to timer_delete[_sync]()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull more irq updates from Thomas Gleixner:
"A set of updates for the interrupt subsystem:
- A treewide cleanup for the irq_domain code, which makes the naming
consistent and gets rid of the original oddity of naming domains
'host'.
This is a trivial mechanical change and is done late to ensure that
all instances have been catched and new code merged post rc1 wont
reintroduce new instances.
- A trivial consistency fix in the migration code
The recent introduction of irq_force_complete_move() in the core
code, causes a problem for the nostalgia crowd who maintains ia64
out of tree.
The code assumes that hierarchical interrupt domains are enabled
and dereferences irq_data::parent_data unconditionally. That works
in mainline because both architectures which enable that code have
hierarchical domains enabled. Though it breaks the ia64 build,
which enables the functionality, but does not have hierarchical
domains.
While it's not really a problem for mainline today, this
unconditional dereference is inconsistent and trivially fixable by
using the existing helper function irqd_get_parent_data(), which
has the appropriate #ifdeffery in place"
* tag 'irq-urgent-2025-04-06' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq/migration: Use irqd_get_parent_data() in irq_force_complete_move()
irqdomain: Stop using 'host' for domain
irqdomain: Rename irq_get_default_host() to irq_get_default_domain()
irqdomain: Rename irq_set_default_host() to irq_set_default_domain()
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The function hrtimer_init() doesn't exist anymore. It was replaced by
hrtimer_setup().
Thus, rename the hrtimer_init trace event to hrtimer_setup to keep it
consistent.
Signed-off-by: Nam Cao <namcao@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/all/cba84c3d853c5258aa3a262363a6eac08e2c7afc.1738746927.git.namcao@linutronix.de
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Make the struct hrtimer::function field private, to prevent users from
changing this field in an unsafe way. hrtimer_update_function() should be
used if the callback function needs to be changed.
Signed-off-by: Nam Cao <namcao@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/all/7d0e6e0c5c59a64a9bea940051aac05d750bc0c2.1738746927.git.namcao@linutronix.de
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hrtimer_init() is now unused. Delete it.
Signed-off-by: Nam Cao <namcao@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/all/003722f60c7a2a4f8d4ed24fb741aa313b7e5136.1738746927.git.namcao@linutronix.de
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timer_delete[_sync]() replaces del_timer[_sync](). Convert the whole tree
over and remove the historical wrapper inlines.
Conversion was done with coccinelle plus manual fixups where necessary.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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This non-functional change serves as preparation for moving to
subsystem-based rstat trees. To simplify future commits, change the
signatures of existing cgroup-based rstat functions to become css-based and
rename them to reflect that.
Though the signatures have changed, the implementations have not. Within
these functions use the css->cgroup pointer to obtain the associated cgroup
and allow code to function the same just as it did before this patch. At
applicable call sites, pass the subsystem-specific css pointer as an
argument or pass a pointer to cgroup::self if not in subsystem context.
Note that cgroup_rstat_updated_list() and cgroup_rstat_push_children()
are not altered yet since there would be a larger amount of css to
cgroup conversions which may overcomplicate the code at this
intermediate phase.
Signed-off-by: JP Kobryn <inwardvessel@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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The cgroup struct has a css field called "self". The main difference
between this css and the others found in the cgroup::subsys array is that
cgroup::self has a NULL subsystem pointer. There are several places where
checks are performed to determine whether the css in question is
cgroup::self or not. Instead of accessing css->ss directly, introduce a
helper function that shows the intent and use where applicable.
Signed-off-by: JP Kobryn <inwardvessel@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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This non-functional change serves as preparation for moving to
subsystem-based rstat trees. The base stats are not an actual subsystem,
but in future commits they will have exclusive rstat trees just as other
subsystems will.
Moving the base stat objects into a new struct allows the cgroup_rstat_cpu
struct to become more compact since it now only contains the minimum amount
of pointers needed for rstat participation. Subsystems will (in future
commits) make use of the compact cgroup_rstat_cpu struct while avoiding the
memory overhead of the base stat objects which they will not use.
An instance of the new struct cgroup_rstat_base_cpu was placed on the
cgroup struct so it can retain ownership of these base stats common to all
cgroups. A helper function was added for looking up the cpu-specific base
stats of a given cgroup. Finally, initialization and variable names were
adjusted where applicable.
Signed-off-by: JP Kobryn <inwardvessel@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
- The sub-architecture selection Kconfig system has been cleaned up,
the documentation has been improved, and various detections have been
fixed
- The vector-related extensions dependencies are now validated when
parsing from device tree and in the DT bindings
- Misaligned access probing can be overridden via a kernel command-line
parameter, along with various fixes to misalign access handling
- Support for relocatable !MMU kernels builds
- Support for hpge pfnmaps, which should improve TLB utilization
- Support for runtime constants, which improves the d_hash()
performance
- Support for bfloat16, Zicbom, Zaamo, Zalrsc, Zicntr, Zihpm
- Various fixes, including:
- We were missing a secondary mmu notifier call when flushing the
tlb which is required for IOMMU
- Fix ftrace panics by saving the registers as expected by ftrace
- Fix a couple of stimecmp usage related to cpu hotplug
- purgatory_start is now aligned as per the STVEC requirements
- A fix for hugetlb when calculating the size of non-present PTEs
* tag 'riscv-for-linus-6.15-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (65 commits)
riscv: Add norvc after .option arch in runtime const
riscv: Make sure toolchain supports zba before using zba instructions
riscv/purgatory: 4B align purgatory_start
riscv/kexec_file: Handle R_RISCV_64 in purgatory relocator
selftests: riscv: fix v_exec_initval_nolibc.c
riscv: Fix hugetlb retrieval of number of ptes in case of !present pte
riscv: print hartid on bringup
riscv: Add norvc after .option arch in runtime const
riscv: Remove CONFIG_PAGE_OFFSET
riscv: Support CONFIG_RELOCATABLE on riscv32
asm-generic: Always define Elf_Rel and Elf_Rela
riscv: Support CONFIG_RELOCATABLE on NOMMU
riscv: Allow NOMMU kernels to access all of RAM
riscv: Remove duplicate CONFIG_PAGE_OFFSET definition
RISC-V: errata: Use medany for relocatable builds
dt-bindings: riscv: document vector crypto requirements
dt-bindings: riscv: add vector sub-extension dependencies
dt-bindings: riscv: d requires f
RISC-V: add f & d extension validation checks
RISC-V: add vector crypto extension validation checks
...
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter.
Current release - regressions:
- four fixes for the netdev per-instance locking
Current release - new code bugs:
- consolidate more code between existing Rx zero-copy and uring so
that the latter doesn't miss / have to duplicate the safety checks
Previous releases - regressions:
- ipv6: fix omitted Netlink attributes when using SKIP_STATS
Previous releases - always broken:
- net: fix geneve_opt length integer overflow
- udp: fix multiple wrap arounds of sk->sk_rmem_alloc when it
approaches INT_MAX
- dsa: mvpp2: add a lock to avoid corruption of the shared TCAM
- dsa: airoha: fix issues with traffic QoS configuration / offload,
and flow table offload
Misc:
- touch up the Netlink YAML specs of old families to make them usable
for user space C codegen"
* tag 'net-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (56 commits)
selftests: net: amt: indicate progress in the stress test
netlink: specs: rt_route: pull the ifa- prefix out of the names
netlink: specs: rt_addr: pull the ifa- prefix out of the names
netlink: specs: rt_addr: fix get multi command name
netlink: specs: rt_addr: fix the spec format / schema failures
net: avoid false positive warnings in __net_mp_close_rxq()
net: move mp dev config validation to __net_mp_open_rxq()
net: ibmveth: make veth_pool_store stop hanging
arcnet: Add NULL check in com20020pci_probe()
ipv6: Do not consider link down nexthops in path selection
ipv6: Start path selection from the first nexthop
usbnet:fix NPE during rx_complete
net: octeontx2: Handle XDP_ABORTED and XDP invalid as XDP_DROP
net: fix geneve_opt length integer overflow
io_uring/zcrx: fix selftests w/ updated netdev Python helpers
selftests: net: use netdevsim in netns test
docs: net: document netdev notifier expectations
net: dummy: request ops lock
netdevsim: add dummy device notifiers
net: rename rtnl_net_debug to lock_debug
...
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git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull more SoC driver updates from Arnd Bergmann:
"This is the promised follow-up to the soc drivers branch, adding minor
updates to omap and freescale drivers.
Most notably, Ioana Ciornei takes over maintenance of the DPAA bus
driver used in some NXP (originally Freescale) chips"
* tag 'soc-drivers-6.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
bus: fsl-mc: Remove deadcode
MAINTAINERS: add the linuppc-dev list to the fsl-mc bus entry
MAINTAINERS: fix nonexistent dtbinding file name
MAINTAINERS: add myself as maintainer for the fsl-mc bus
irqdomain: soc: Switch to irq_find_mapping()
Input: tsc2007 - accept standard properties
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The map_fd field of the bpf_attr union is used in the BPF_MAP_FREEZE
syscall. Explicitly mention this in the comments.
Signed-off-by: Anton Protopopov <a.s.protopopov@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250331203618.1973691-2-a.s.protopopov@gmail.com
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It is confusing to see 'host' and 'domain' to be used as 'domain'. Given
this header is all about domains, switch the remaining 'host' uses to
'domain'.
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250319092951.37667-5-jirislaby@kernel.org
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Naming interrupt domains host is confusing at best and the irqdomain code
uses both domain and host inconsistently.
Therefore rename irq_get_default_host() to irq_get_default_domain().
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250319092951.37667-4-jirislaby@kernel.org
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Naming interrupt domains host is confusing at best and the irqdomain code
uses both domain and host inconsistently.
Therefore rename irq_set_default_host() to irq_set_default_domain().
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250319092951.37667-3-jirislaby@kernel.org
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devmem code performs a number of safety checks to avoid having
to reimplement all of them in the drivers. Move those to
__net_mp_open_rxq() and reuse that function for binding to make
sure that io_uring ZC also benefits from them.
While at it rename the queue ID variable to rxq_idx in
__net_mp_open_rxq(), we touch most of the relevant lines.
The XArray insertion is reordered after the netdev_rx_queue_restart()
call, otherwise we'd need to duplicate the queue index check
or risk inserting an invalid pointer. The XArray allocation
failures should be extremely rare.
Reviewed-by: Mina Almasry <almasrymina@google.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Fixes: 6e18ed929d3b ("net: add helpers for setting a memory provider on an rx queue")
Link: https://patch.msgid.link/20250403013405.2827250-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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"struct key" is defined conditionally, so the code referencing it
must be made conditional as well:
In file included from drivers/firmware/turris-mox-rwtm.c:29:
include/linux/turris-signing-key.h: In function 'turris_signing_key_get_dev':
include/linux/turris-signing-key.h:26:19: error: invalid use of undefined type 'const struct key'
26 | return key->payload.data[1];
| ^~
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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soc/drivers-2
FSL SOC Changes for 6.15:
- irqdomain cleanups from Jiry
- Add Ioana as Maintainer of fsl-mc bus and remove Laurentiu and Stuart
- Remove deadcode from fsl-mc bus
* tag 'soc_fsl-6.15-1' of https://github.com/chleroy/linux:
bus: fsl-mc: Remove deadcode
MAINTAINERS: add the linuppc-dev list to the fsl-mc bus entry
MAINTAINERS: fix nonexistent dtbinding file name
MAINTAINERS: add myself as maintainer for the fsl-mc bus
irqdomain: soc: Switch to irq_find_mapping()
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Convert HAVE_KVM_IRQ_BYPASS into a tristate so that selecting
IRQ_BYPASS_MANAGER follows KVM={m,y}, i.e. doesn't force irqbypass.ko to
be built-in.
Note, PPC allows building KVM as a module, but selects HAVE_KVM_IRQ_BYPASS
from a boolean Kconfig, i.e. KVM PPC unnecessarily forces irqbpass.ko to
be built-in. But that flaw is a longstanding PPC specific issue.
Fixes: 61df71ee992d ("kvm: move "select IRQ_BYPASS_MANAGER" to common code")
Cc: stable@vger.kernel.org
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-ID: <20250315024623.2363994-1-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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It is useful to be able to access current->mm at task exit to, say,
record a bunch of VMA information right before the task exits (e.g., for
stack symbolization reasons when dealing with short-lived processes that
exit in the middle of profiling session). Currently,
trace_sched_process_exit() is triggered after exit_mm() which resets
current->mm to NULL making this tracepoint unsuitable for inspecting
and recording task's mm_struct-related data when tracing process
lifetimes.
There is a particularly suitable place, though, right after
taskstats_exit() is called, but before we do exit_mm() and other
exit_*() resource teardowns. taskstats performs a similar kind of
accounting that some applications do with BPF, and so co-locating them
seems like a good fit. So that's where trace_sched_process_exit() is
moved with this patch.
Also, existing trace_sched_process_exit() tracepoint is notoriously
missing `group_dead` flag that is certainly useful in practice and some
of our production applications have to work around this. So plumb
`group_dead` through while at it, to have a richer and more complete
tracepoint.
Note that we can't use sched_process_template anymore, and so we use
TRACE_EVENT()-based tracepoint definition. But all the field names and
order, as well as assign and output logic remain intact. We just add one
extra field at the end in backwards-compatible way.
Document the dependency to sched_process_template anyway.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Acked-by: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20250402180925.90914-1-andrii@kernel.org
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Pull more io_uring updates from Jens Axboe:
"Set of fixes/updates for io_uring that should go into this release.
The ublk bits could've gone via either tree - usually I put them in
block, but they got a bit mixed this series with the zero-copy
supported that ended up dipping into both trees.
This contains:
- Fix for sendmsg zc, include in pinned pages accounting like we do
for the other zc types
- Series for ublk fixing request aborting, doing various little
cleanups, fixing some zc issues, and adding queue_rqs support
- Another ublk series doing some code cleanups
- Series cleaning up the io_uring send path, mostly in preparation
for registered buffers
- Series doing little MSG_RING cleanups
- Fix for the newly added zc rx, fixing len being 0 for the last
invocation of the callback
- Add vectored registered buffer support for ublk. With that, then
ublk also supports this feature in the kernel revision where it
could generically introduced for rw/net
- A bunch of selftest additions for ublk. This is the majority of the
diffstat
- Silence a KCSAN data race warning for io-wq
- Various little cleanups and fixes"
* tag 'io_uring-6.15-20250403' of git://git.kernel.dk/linux: (44 commits)
io_uring: always do atomic put from iowq
selftests: ublk: enable zero copy for stripe target
io_uring: support vectored kernel fixed buffer
block: add for_each_mp_bvec()
io_uring: add validate_fixed_range() for validate fixed buffer
selftests: ublk: kublk: fix an error log line
selftests: ublk: kublk: use ioctl-encoded opcodes
io_uring/zcrx: return early from io_zcrx_recv_skb if readlen is 0
io_uring/net: avoid import_ubuf for regvec send
io_uring/rsrc: check size when importing reg buffer
io_uring: cleanup {g,s]etsockopt sqe reading
io_uring: hide caches sqes from drivers
io_uring: make zcrx depend on CONFIG_IO_URING
io_uring: add req flag invariant build assertion
Documentation: ublk: remove dead footnote
selftests: ublk: specify io_cmd_buf pointer type
ublk: specify io_cmd_buf pointer type
io_uring: don't pass ctx to tw add remote helper
io_uring/msg: initialise msg request opcode
io_uring/msg: rename io_double_lock_ctx()
...
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In order to exercise and verify notifiers' locking assumptions,
register dummy notifiers (via register_netdevice_notifier_dev_net).
Share notifier event handler that enforces the assumptions with
lock_debug.c (rename and export rtnl_net_debug_event as
netdev_debug_event). Add ops lock asserts to netdev_debug_event.
Signed-off-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250401163452.622454-6-sdf@fomichev.me
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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ipv6_add_dev might call dev_disable_lro which unconditionally grabs
instance lock, so it will deadlock during NETDEV_REGISTER. Switch
to netif_disable_lro.
Make sure all callers hold the instance lock as well.
Cc: Cosmin Ratiu <cratiu@nvidia.com>
Fixes: ad7c7b2172c3 ("net: hold netdev instance lock during sysfs operations")
Signed-off-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250401163452.622454-4-sdf@fomichev.me
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Callers of inetdev_init can come from several places with inconsistent
expectation about netdev instance lock. Grab instance lock during
REGISTER (plus UP). Also solve the inconsistency with UNREGISTER
where it was locked only during move netns path.
WARNING: CPU: 10 PID: 1479 at ./include/net/netdev_lock.h:54
__netdev_update_features+0x65f/0xca0
__warn+0x81/0x180
__netdev_update_features+0x65f/0xca0
report_bug+0x156/0x180
handle_bug+0x4f/0x90
exc_invalid_op+0x13/0x60
asm_exc_invalid_op+0x16/0x20
__netdev_update_features+0x65f/0xca0
netif_disable_lro+0x30/0x1d0
inetdev_init+0x12f/0x1f0
inetdev_event+0x48b/0x870
notifier_call_chain+0x38/0xf0
register_netdevice+0x741/0x8b0
register_netdev+0x1f/0x40
mlx5e_probe+0x4e3/0x8e0 [mlx5_core]
auxiliary_bus_probe+0x3f/0x90
really_probe+0xc3/0x3a0
__driver_probe_device+0x80/0x150
driver_probe_device+0x1f/0x90
__device_attach_driver+0x7d/0x100
bus_for_each_drv+0x80/0xd0
__device_attach+0xb4/0x1c0
bus_probe_device+0x91/0xa0
device_add+0x657/0x870
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Reported-by: Cosmin Ratiu <cratiu@nvidia.com>
Fixes: ad7c7b2172c3 ("net: hold netdev instance lock during sysfs operations")
Signed-off-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20250401163452.622454-3-sdf@fomichev.me
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"We see a net reduction of the number of lines of code thanks to the
removal of a now unused driver and a testing tool that is not used
anymore. Apart from this, the max31335 driver gets support for a new
part number and pm8xxx gets UEFI support.
Core:
- setdate is removed as it has better replacements
- skip alarms with a second resolution when we know the RTC doesn't
support those.
Subsystem:
- remove unnecessary private struct members
- use devm_pm_set_wake_irq were relevant
Drivers:
- ds1307: stop disabling alarms on probe for DS1337, DS1339, DS1341
and DS3231
- max31335: add max31331 support
- pcf50633 is removed as support for the related SoC has been removed
- pcf85063: properly handle POR failures"
* tag 'rtc-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (50 commits)
rtc: remove 'setdate' test program
selftest: rtc: skip some tests if the alarm only supports minutes
rtc: mt6397: drop unused defines
rtc: pcf85063: replace dev_err+return with return dev_err_probe
rtc: pcf85063: do a SW reset if POR failed
rtc: max31335: Add driver support for max31331
dt-bindings: rtc: max31335: Add max31331 support
rtc: cros-ec: Avoid a couple of -Wflex-array-member-not-at-end warnings
dt-bindings: rtc: pcf2127: Reference spi-peripheral-props.yaml
rtc: rzn1: implement one-second accuracy for alarms
rtc: pcf50633: Remove
rtc: pm8xxx: implement qcom,no-alarm flag for non-HLOS owned alarm
rtc: pm8xxx: mitigate flash wear
rtc: pm8xxx: add support for uefi offset
dt-bindings: rtc: qcom-pm8xxx: document qcom,no-alarm flag
rtc: rv3032: drop WADA
rtc: rv3032: fix EERD location
rtc: pm8xxx: switch to devm_device_init_wakeup
rtc: pm8xxx: fix possible race condition
rtc: mpfs: switch to devm_device_init_wakeup
...
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osd_req_op_extent_osd_data_pagelist() was added in 2013 as part of
commit a4ce40a9a7c1 ("libceph: combine initializing and setting osd data")
but never used.
The last use of osd_req_op_cls_request_data_pagelist() was removed in
2017's commit ecd4a68a26a2 ("rbd: switch rbd_obj_method_sync() to
ceph_osdc_call()")
Remove them.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Viacheslav Dubeyko <Slava.Dubeyko@ibm.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull more non-MM updates from Andrew Morton:
"One bugfix and a couple of small late-arriving updates"
* tag 'mm-nonmm-stable-2025-04-02-22-12' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
lib: scatterlist: fix sg_split_phys to preserve original scatterlist offsets
lib/sort.c: add _nonatomic() variants with cond_resched()
mailmap: add an entry for Nicolas Schier
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull more MM updates from Andrew Morton:
- The series "mm: fixes for fallouts from mem_init() cleanup" from Mike
Rapoport fixes a couple of issues with the just-merged "arch, mm:
reduce code duplication in mem_init()" series
- The series "MAINTAINERS: add my isub-entries to MM part." from Mike
Rapoport does some maintenance on MAINTAINERS
- The series "remove tlb_remove_page_ptdesc()" from Qi Zheng does some
cleanup work to the page mapping code
- The series "mseal system mappings" from Jeff Xu permits sealing of
"system mappings", such as vdso, vvar, vvar_vclock, vectors (arm
compat-mode), sigpage (arm compat-mode)
- Plus the usual shower of singleton patches
* tag 'mm-stable-2025-04-02-22-07' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (31 commits)
mseal sysmap: add arch-support txt
mseal sysmap: enable s390
selftest: test system mappings are sealed
mseal sysmap: update mseal.rst
mseal sysmap: uprobe mapping
mseal sysmap: enable arm64
mseal sysmap: enable x86-64
mseal sysmap: generic vdso vvar mapping
selftests: x86: test_mremap_vdso: skip if vdso is msealed
mseal sysmap: kernel config and header change
mm: pgtable: remove tlb_remove_page_ptdesc()
x86: pgtable: convert to use tlb_remove_ptdesc()
riscv: pgtable: unconditionally use tlb_remove_ptdesc()
mm: pgtable: convert some architectures to use tlb_remove_ptdesc()
mm: pgtable: change pt parameter of tlb_remove_ptdesc() to struct ptdesc*
mm: pgtable: make generic tlb_remove_table() use struct ptdesc
microblaze/mm: put mm_cmdline_setup() in .init.text section
mm/memory_hotplug: fix call folio_test_large with tail page in do_migrate_range
MAINTAINERS: mm: add entry for secretmem
MAINTAINERS: mm: add entry for numa memblocks and numa emulation
...
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM hotfixes from Andrew Morton:
"Five hotfixes. Three are cc:stable and the remainder address post-6.14
issues or aren't considered necessary for -stable kernels.
All patches are for MM"
* tag 'mm-hotfixes-stable-2025-04-02-21-57' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm: zswap: fix crypto_free_acomp() deadlock in zswap_cpu_comp_dead()
mm/hugetlb: move hugetlb_sysctl_init() to the __init section
mm: page_isolation: avoid calling folio_hstate() without hugetlb_lock
mm/hugetlb_vmemmap: fix memory loads ordering
mm/userfaultfd: fix release hang over concurrent GUP
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The ufs device JEDEC specification version 4.1 adds support for the
device level exception events. To support this new device level
exception feature, expose two new sysfs nodes below to provide the user
space access to the device level exception information.
/sys/bus/platform/drivers/ufshcd/*/device_lvl_exception_count
/sys/bus/platform/drivers/ufshcd/*/device_lvl_exception_id
The device_lvl_exception_count sysfs node reports the number of device
level exceptions that have occurred since the last time this variable is
reset. Writing a value of 0 will reset it. The device_lvl_exception_id
reports the exception ID which is the qDeviceLevelExceptionID attribute
of the device JEDEC specifications version 4.1 and later. The user space
application can query these sysfs nodes to get more information about
the device level exception.
Signed-off-by: Bao D. Nguyen <quic_nguyenb@quicinc.com>
Link: https://lore.kernel.org/r/6278d7c125b2f0cf5056f4a647a4b9c1fdd24fc7.1743198325.git.quic_nguyenb@quicinc.com
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Reviewed-by: Arthur Simchaev <arthur.simchaev@sandisk.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull Compute Express Link (CXL) updates from Dave Jiang:
- Add support for Global Persistent Flush (GPF)
- Cleanup of DPA partition metadata handling:
- Remove the CXL_DECODER_MIXED enum that's not needed anymore
- Introduce helpers to access resource and perf meta data
- Introduce 'struct cxl_dpa_partition' and 'struct cxl_range_info'
- Make cxl_dpa_alloc() DPA partition number agnostic
- Remove cxl_decoder_mode
- Cleanup partition size and perf helpers
- Remove unused CXL partition values
- Add logging support for CXL CPER endpoint and port protocol errors:
- Prefix protocol error struct and function names with cxl_
- Move protocol error definitions and structures to a common location
- Remove drivers/firmware/efi/cper_cxl.h to include/linux/cper.h
- Add support in GHES to process CXL CPER protocol errors
- Process CXL CPER protocol errors
- Add trace logging for CXL PCIe port RAS errors
- Remove redundant gp_port init
- Add validation of cxl device serial number
- CXL ABI documentation updates/fixups
- A series that uses guard() to clean up open coded mutex lockings and
remove gotos for error handling.
- Some followup patches to support dirty shutdown accounting:
- Add helper to retrieve DVSEC offset for dirty shutdown registers
- Rename cxl_get_dirty_shutdown() to cxl_arm_dirty_shutdown()
- Add support for dirty shutdown count via sysfs
- cxl_test support for dirty shutdown
- A series to support CXL mailbox Features commands.
Mostly in preparation for CXL EDAC code to utilize the Features
commands. It's also in preparation for CXL fwctl support to utilize
the CXL Features. The commands include "Get Supported Features", "Get
Feature", and "Set Feature".
- A series to support extended linear cache support described by the
ACPI HMAT table.
The addition helps enumerate the cache and also provides additional
RAS reporting support for configuration with extended linear cache.
(and related fixes for the series).
- An update to cxl_test to support a 3-way capable CFMWS
- A documentation fix to remove unused "mixed mode"
* tag 'cxl-for-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl: (39 commits)
cxl/region: Fix the first aliased address miscalculation
cxl/region: Quiet some dev_warn()s in extended linear cache setup
cxl/Documentation: Remove 'mixed' from sysfs mode doc
cxl: Fix warning from emitting resource_size_t as long long int on 32bit systems
cxl/test: Define a CFMWS capable of a 3 way HB interleave
cxl/mem: Do not return error if CONFIG_CXL_MCE unset
tools/testing/cxl: Set Shutdown State support
cxl/pmem: Export dirty shutdown count via sysfs
cxl/pmem: Rename cxl_dirty_shutdown_state()
cxl/pci: Introduce cxl_gpf_get_dvsec()
cxl/pci: Support Global Persistent Flush (GPF)
cxl: Document missing sysfs files
cxl: Plug typos in ABI doc
cxl/pmem: debug invalid serial number data
cxl/cdat: Remove redundant gp_port initialization
cxl/memdev: Remove unused partition values
cxl/region: Drop goto pattern of construct_region()
cxl/region: Drop goto pattern in cxl_dax_region_alloc()
cxl/core: Use guard() to drop goto pattern of cxl_dpa_alloc()
cxl/core: Use guard() to drop the goto pattern of cxl_dpa_free()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / Thunderbolt updates from Greg KH:
"Here is the big set of USB and Thunderbolt driver updates for
6.15-rc1. Included in here are:
- Thunderbolt driver and core api updates for new hardware and
features
- usb-storage const array cleanups
- typec driver updates
- dwc3 driver updates
- xhci driver updates and bugfixes
- small USB documentation updates
- usb cdns3 driver updates
- usb gadget driver updates
- other small driver updates and fixes
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (92 commits)
thunderbolt: Do not add non-active NVM if NVM upgrade is disabled for retimer
thunderbolt: Scan retimers after device router has been enumerated
usb: host: cdns3: forward lost power information to xhci
usb: host: xhci-plat: allow upper layers to signal power loss
usb: xhci: change xhci_resume() parameters to explicit the desired info
usb: cdns3-ti: run HW init at resume() if HW was reset
usb: cdns3-ti: move reg writes to separate function
usb: cdns3: call cdns_power_is_lost() only once in cdns_resume()
usb: cdns3: rename hibernated argument of role->resume() to lost_power
usb: xhci: tegra: rename `runtime` boolean to `is_auto_runtime`
usb: host: xhci-plat: mvebu: use ->quirks instead of ->init_quirk() func
usb: dwc3: Don't use %pK through printk
usb: core: Don't use %pK through printk
usb: gadget: aspeed: Add NULL pointer check in ast_vhub_init_dev()
dt-bindings: usb: qcom,dwc3: Synchronize minItems for interrupts and -names
usb: common: usb-conn-gpio: switch psy_cfg from of_node to fwnode
usb: xhci: Avoid Stop Endpoint retry loop if the endpoint seems Running
usb: xhci: Don't change the status of stalled TDs on failed Stop EP
xhci: Avoid queuing redundant Stop Endpoint command for stalled endpoint
xhci: Handle spurious events on Etron host isoc enpoints
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver updates from Greg KH:
"Here is the big set of serial and tty driver updates for 6.15-rc1.
Include in here are the following:
- more great tty layer cleanups from Jiri. Someday this will be done,
but that's not going to be any year soon...
- kdb debug driver reverts to fix a reported issue
- lots of .dts binding updates for different devices with serial
devices
- lots of tiny updates and tweaks and a few bugfixes for different
serial drivers.
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (79 commits)
tty: serial: fsl_lpuart: Fix unused variable 'sport' build warning
serial: stm32: do not deassert RS485 RTS GPIO prematurely
serial: 8250: add driver for NI UARTs
dt-bindings: serial: snps-dw-apb-uart: document RZ/N1 binding without DMA
serial: icom: fix code format problems
serial: sh-sci: Save and restore more registers
tty: serial: pl011: remove incorrect of_match_ptr annotation
dt-bindings: serial: snps-dw-apb-uart: Add support for rk3562
tty: serial: lpuart: only disable CTS instead of overwriting the whole UARTMODIR register
tty: caif: removed unused function debugfs_tx()
serial: 8250_dma: terminate correct DMA in tx_dma_flush()
tty: serial: fsl_lpuart: rename register variables more specifically
tty: serial: fsl_lpuart: use port struct directly to simply code
tty: serial: fsl_lpuart: Use u32 and u8 for register variables
tty: serial: fsl_lpuart: disable transmitter before changing RS485 related registers
tty: serial: 8250: Add Brainboxes XC devices
dt-bindings: serial: fsl-lpuart: support i.MX94
tty: serial: 8250: Add some more device IDs
dt-bindings: serial: samsung: add exynos7870-uart compatible
serial: 8250_dw: Comment possible corner cases in serial_out() implementation
...
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Pull NFS client updates from Trond Myklebust:
"Bugfixes:
- Three fixes for looping in the NFSv4 state manager delegation code
- Fix for the NFSv4 state XDR code (Neil Brown)
- Fix a leaked reference in nfs_lock_and_join_requests()
- Fix a use-after-free in the delegation return code
Features:
- Implement the NFSv4.2 copy offload OFFLOAD_STATUS operation to
allow monitoring of an in-progress copy
- Add a mount option to force NFSv3/NFSv4 to use READDIRPLUS in a
getdents() call
- SUNRPC now allows some basic management of an existing RPC client's
connections using sysfs
- Improvements to the automated teardown of a NFS client when the
container it was initiated from gets killed
- Improvements to prevent tasks from getting stuck in a killable wait
state after calling exit_signals()"
* tag 'nfs-for-6.15-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (29 commits)
nfs: Add missing release on error in nfs_lock_and_join_requests()
NFSv4: Check for delegation validity in nfs_start_delegation_return_locked()
NFS: Don't allow waiting for exiting tasks
SUNRPC: Don't allow waiting for exiting tasks
NFSv4: Treat ENETUNREACH errors as fatal for state recovery
NFSv4: clp->cl_cons_state < 0 signifies an invalid nfs_client
NFSv4: Further cleanups to shutdown loops
NFS: Shut down the nfs_client only after all the superblocks
SUNRPC: rpc_clnt_set_transport() must not change the autobind setting
SUNRPC: rpcbind should never reset the port to the value '0'
pNFS/flexfiles: Report ENETDOWN as a connection error
pNFS/flexfiles: Treat ENETUNREACH errors as fatal in containers
NFS: Treat ENETUNREACH errors as fatal in containers
NFS: Add a mount option to make ENETUNREACH errors fatal
sunrpc: Add a sysfs file for one-step xprt deletion
sunrpc: Add a sysfs file for adding a new xprt
sunrpc: Add a sysfs files for rpc_clnt information
sunrpc: Add a sysfs attr for xprtsec
NFS: Add implid to sysfs
NFS: Extend rdirplus mount option with "force|none"
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse updates from Miklos Szeredi:
- Allow connection to server to time out (Joanne Koong)
- If server doesn't support creating a hard link, return EPERM rather
than ENOSYS (Matt Johnston)
- Allow file names longer than 1024 chars (Bernd Schubert)
- Fix a possible race if request on io_uring queue is interrupted
(Bernd Schubert)
- Misc fixes and cleanups
* tag 'fuse-update-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: remove unneeded atomic set in uring creation
fuse: fix uring race condition for null dereference of fc
fuse: Increase FUSE_NAME_MAX to PATH_MAX
fuse: Allocate only namelen buf memory in fuse_notify_
fuse: add default_request_timeout and max_request_timeout sysctls
fuse: add kernel-enforced timeout option for requests
fuse: optmize missing FUSE_LINK support
fuse: Return EPERM rather than ENOSYS from link()
fuse: removed unused function fuse_uring_create() from header
fuse: {io-uring} Fix a possible req cancellation race
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
- Add a new maintainer for configfs
- Fix exportfs module description
- Place flexible array memeber at the end of an internal struct in the
mount code
- Add new maintainer for netfslib as Jeff Layton is stepping down as
current co-maintainer
- Fix error handling in cachefiles_get_directory()
- Cleanup do_notify_pidfd()
- Fix syscall number definitions in pidfd selftests
- Fix racy usage of fs_struct->in exec during multi-threaded exec
- Ensure correct exit code is reported when pidfs_exit() is called from
release_task() for a delayed thread-group leader exit
- Fix conflicting iomap flag definitions
* tag 'vfs-6.15-rc1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
iomap: Fix conflicting values of iomap flags
fs: namespace: Avoid -Wflex-array-member-not-at-end warning
MAINTAINERS: configfs: add Andreas Hindborg as maintainer
exportfs: add module description
exit: fix the usage of delay_group_leader->exit_code in do_notify_parent() and pidfs_exit()
netfs: add Paulo as maintainer and remove myself as Reviewer
cachefiles: Fix oops in vfs_mkdir from cachefiles_get_directory
exec: fix the racy usage of fs_struct->in_exec
selftests/pidfd: fixes syscall number defines
pidfs: cleanup the usage of do_notify_pidfd()
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