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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
- netfs:
- fix the decision when to disallow write-streaming with fscache in
use, handling of asynchronous cache object creation, a double fput
in cachefiles, clearing S_KERNEL_FILE without the inode lock held,
page extraction bugs in the iov_iter helpers (a potential
underflow, a missing allocation failure check, a memory leak, and
a folio offset miscalculation), writeback error and ENOMEM
handling, DIO write retry for filesystems without a
->prepare_write() method, and the replacement of the wb_lock mutex
with a bit lock plus writethrough collection offload so that
multiple asynchronous writebacks don't interfere with each other.
- Fix the barriering when walking the netfs subrequest list during
retries as it was possible to see a subrequest that was just added
by the application thread.
- iomap:
- Change iomap to submit read bios after each extent instead of
building them up across extents. The old behavior was considered
problematic for a while and now caused an actual erofs bug.
- Guard the ioend io_size EOF trim in iomap against underflow when a
concurrent truncate moves EOF below the start of the ioend,
wrapping io_size to a huge value.
- overlayfs
- Fix a stale overlayfs comment about the locking order.
- Store the linked-in upper dentry instead of the disconnected
O_TMPFILE dentry during overlayfs tmpfile copy-up. With a FUSE or
virtiofs upper layer ->d_revalidate() would try to look up "/" in
the workdir and fail, causing persistent ESTALE errors that broke
dpkg and apt.
- vfs-bpf:
Have the bpf_real_data_inode() kfunc take a struct file instead of a
dentry so it is usable from the bprm_check_security, mmap_file, and
file_mprotect hooks, and rename it from bpf_real_inode() to make the
data-inode semantics explicit. The kfunc landed this cycle so the
change is safe.
- afs:
NULL pointer dereferences in the callback service and in
afs_get_tree(), several memory and refcount leaks, missing locking
around the dynamic root inode numbers and premature cell exposure
through /afs, a netns destruction hang caused by a misplaced
increment of net->cells_outstanding, a bulk lookup malfunction caused
by the dir_emit() API change, inode (re)initialisation issues, and
assorted smaller fixes to error codes, seqlock handling, and debug
output.
- vfs:
Refuse O_TMPFILE creation with an unmapped fsuid or fsgid and add a
selftest for it.
- vboxsf:
Add Jori Koolstra as vboxsf maintainer, taking over from Hans de
Goede.
- dio:
Release the pages attached to a short atomic dio bio; the REQ_ATOMIC
size check error path leaked them.
- procfs:
Only bump the parent directory link count when registering
directories in procfs. Registering regular files inflated the count
and leaked a link on every create and remove cycle.
- minix:
Avoid an unsigned overflow in the minix bitmap block count
calculation that let crafted images with huge inode or zone counts
pass superblock validation and crash the kernel during mount.
- cachefiles:
Fix a double unlock in the cachefiles nomem_d_alloc error path left
over from the start_creating() conversion.
- fat:
Stop fat from reading directory entries past the 0x00
end-of-directory marker. If the trailing on-disk slots aren't
zero-filled the driver surfaced arbitrary garbage as directory
entries.
- freexvfs:
Don't BUG() on unknown typed-extent types in freevxfs, reachable via
ioctl(FIBMAP) on a crafted image; fail with an I/O error instead.
- orangefs:
Keep the readdir entry size 64-bit in orangefs fill_from_part().
Truncating it to __u32 bypassed the bounds check and led to
out-of-bounds reads triggerable by the userspace client.
- xfs:
Fix the error unwind in xfs_open_devices() which released the rt
device file twice and left dangling buftarg pointers behind that were
freed again when the failed mount was torn down.
- exec:
Fix an off-by-one in the comment documenting the maximum binfmt
rewrite depth in exec_binprm(). The code allows five rewrites, not
four; restricting the code would break userspace so the comment is
fixed instead.
- file handles:
Reject detached mounts in capable_wrt_mount(). A detached mount can
be dissolved concurrently, leaving a NULL mount namespace that
open_by_handle_at() would dereference.
* tag 'vfs-7.2-rc2.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (57 commits)
netfs: Fix barriering when walking subrequest list
iomap: submit read bio after each extent
fuse: call fuse_send_readpages explicitly from fuse_readahead
iomap: consolidate bio submission
fhandle: reject detached mounts in capable_wrt_mount()
netfs: Fix DIO write retry for filesystems without a ->prepare_write()
netfs: Fix folio state after ENOMEM whilst under writeback iteration
netfs: Fix writeback error handling
netfs: Fix writethrough to use collection offload
netfs: Replace wb_lock with a bit lock for asynchronicity
netfs: Fix kdoc warning
scatterlist: Fix offset in folio calc in extract_xarray_to_sg()
iov_iter: Remove unused variable in kunit_iov_iter.c
iov_iter: Fix a memory leak in iov_iter_extract_user_pages()
iov_iter: Fix missing alloc fail check in iov_iter_extract_bvec_pages()
iov_iter: Fix potential underflow in iov_iter_extract_xarray_pages()
cachefiles: Fix file burial to take lock when unsetting S_KERNEL_FILE
cachefiles: Fix double fput
netfs: Fix netfs_create_write_req() to handle async cache object creation
netfs: Fix decision whether to disallow write-streaming due to fscache use
...
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git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux
Pull mod_devicetable.h header split from Uwe Kleine-König:
"Split <linux/mod_devicetable.h> in per subsystem headers
<linux/mod_devicetable.h> is included transitively in nearly every
driver in an x86_64 allmodconfig build of v7.1:
$ find drivers -name \*.o -not -name \*.mod.o | wc -l
21330
$ find drivers -name \*.o.cmd -not -name \*.mod.o.cmd | xargs grep -l mod_devicetable.h | wc -l
17038
The result of this mixture of different and unrelated subsystem
details is that even when touching an obscure device id struct most of
the kernel needs to be recompiled. Given that each driver typically
only needs one or two of these structures, splitting into per
subsystem headers and only including what is really needed reduces the
amount of needed recompilation.
This split is implemented in the first commit and then after some
preparatory work in the following commits, the last two replace
includes of <linux/mod_devicetable.h> by the actually needed more
specific headers.
There are still a few instances left, but the ones with high impact
(that is in headers that are used a lot) and the easy ones (.c files)
are handled. These remaining includes will be addressed during the
next merge window"
* tag 'device-id-rework' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux:
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (c files)
Replace <linux/mod_devicetable.h> by more specific <linux/device-id/*.h> (headers)
parisc: #include <linux/compiler.h> for unlikely() in <asm/ptrace.h>
media: em28xx: Add include for struct usb_device_id
LoongArch: KVM: Add include defining struct cpu_feature
ALSA: hda/core: Add include defining struct hda_device_id
usb: dwc2: Add include defining struct pci_device_id
platform/x86: int3472: Add include defining struct dmi_system_id
platform/x86: x86-android-tablets: Add include defining struct dmi_system_id
i2c: Let i2c-core.h include <linux/i2c.h>
of: Explicitly include <linux/types.h> and <linux/err.h>
platform/x86: msi-ec: Ensure dmi_system_id is defined
usb: serial: Include <linux/usb.h> in <linux/usb/serial.h>
driver core: platform: Include header for struct platform_device_id
driver: core: Include headers for acpi_device_id and of_device_id for struct device_driver
media: ti: vpe: #include <linux/platform_device.h> explicitly
mod_devicetable.h: Split into per subsystem headers
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(headers)
<linux/mod_devicetable.h> is included in a many files:
$ git grep '<linux/mod_devicetable.h>' ef0c9f75a195 | wc -l
1598
; some of them are widely used headers. To stop mixing up different and
unrelated driver( type)s let the subsystem headers only use the subset
of the recently split <linux/mod_devicetable.h> that are relevant for
them.
The fallout (I hope) is addressed in the previous commits that handle
sources relying on e.g. <linux/i2c.h> pulling in the full legacy header
and thus providing pci_device_id.
Acked-by: Danilo Krummrich <dakr@kernel.org>
Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://patch.msgid.link/199fe46b624ba07fb9bd3e0cd6ff13757932cb5f.1782808461.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
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Currently <linux/mod_devicetable.h> is included transitively in
int3472.h via
<linux/clk-provider.h> ->
<linux/of.h> ->
<linux/mod_devicetable.h>
However these includes will be tightend such that only the bits relevant
for of will be provided by <linux/of.h>. To ensure that dmi_system_id
stays around, include the respective header explicitly.
Acked-by: Danilo Krummrich <dakr@kernel.org>
Acked-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Link: https://patch.msgid.link/0ba52730f67dc995d9d896b81fa6a7320bf8cb4b.1782808461.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
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<linux/of_platform.h> uses resource_size_t and relies on the transitive
include <linux/mod_devicetable.h> -> <linux/types.h>. It also uses error
constants and thus relying on the include chain
<linux/mod_devicetable.h> -> <linux/uuid.h> -> <linux/string.h> ->
<linux/err.h>.
With the plan to split <linux/mod_devicetable.h> per subsystem and then
only letting of_platform.h include the of-specific bits (which don't
require these two headers), add the needed includes explicitly to keep
the header self-contained.
Acked-by: Danilo Krummrich <dakr@kernel.org>
Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://patch.msgid.link/a730991bc8813cf70c2445064ea425291538f709.1782808461.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
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All consumers of the latter also include the former, but without that
struct usb_driver and struct usb_device_id (and maybe more) are not
defined. Add an include for <linux/usb.h> to make the header
self-contained.
Acked-by: Danilo Krummrich <dakr@kernel.org>
Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://patch.msgid.link/82219ab65d16ee5bfe5a35d11bc938baac3fd3bc.1782808461.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
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Platform drivers can define an array containing the supported device
variants to be assigned to the struct platform_driver's .id_table.
While a forward declaration of struct platform_device_id is technically
enough to make the driver self-contained, it's reasonable to provide the
(very lightweight) data type definition for that array in
<linux/platform_device.h> to not add that burden to all platform drivers
with an id-table.
Note that currently <linux/device.h> transitively includes
<linux/mod_devicetable.h> that provides struct platform_device_id. But
that include is planned to be replaced by a tighter set of includes that
only define the structures relevant for the stuff in <linux/device.h>.
Acked-by: Danilo Krummrich <dakr@kernel.org>
Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://patch.msgid.link/4ca29592c9d1c6d528a65e05b80af7355f3c79c5.1782808461.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
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device_driver
struct device_driver contains pointers of type struct of_device_id* and
struct acpi_device_id* but doesn't ensure these are defined. To make the
header self-contained add the (very lightweight) includes that contain
the respective definitions.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Danilo Krummrich <dakr@kernel.org>
Acked-by: Rafael J. Wysocki (Intel) <rafael@kernel.org>
Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://patch.msgid.link/199ba71b4ac73f4b4d9f5d2be635c96eec73c70e.1782808461.git.u.kleine-koenig@baylibre.com
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
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<linux/mod_devicetable.h> is included transitively in nearly every
driver in an x86_64 allmodconfig build of v7.1:
$ find drivers -name \*.o -not -name \*.mod.o | wc -l
21330
$ find drivers -name \*.o.cmd -not -name \*.mod.o.cmd | xargs grep -l mod_devicetable.h | wc -l
17038
The result is that even when touching an obscure device id struct most
of the kernel needs to be recompiled. Given that each driver typically
only needs one or two of these structures, splitting into per subsystem
headers and only including what is really needed reduces the amount of
needed recompilation.
Implement the first step and define each device id struct in a separate
header (together with its associated #defines).
<linux/mod_devicetable.h> is modified to include all the new headers to
continue to provide the same symbols.
Several headers currently include <linux/mod_devicetable.h>, those that
are most lukrative to include only their subsystem headers only are:
$ git -C source grep -l mod_devicetable.h include/linux | while read h; do echo -n "$h:"; find drivers -name \*.o.cmd -not -name \*.mod.o.cmd | xargs grep -l $h | wc -l; done | sort -t: -k2 -n -r | head
include/linux/of.h:10897
include/linux/pci.h:7920
include/linux/acpi.h:7097
include/linux/i2c.h:5402
include/linux/spi/spi.h:1897
include/linux/dmi.h:1643
include/linux/usb.h:1222
include/linux/input.h:1205
include/linux/mdio.h:835
include/linux/phy.h:733
struct cpu_feature isn't really a device_id struct. That is kept in
<linux/mod_devicetable.h> for now.
Acked-by: Danilo Krummrich <dakr@kernel.org>
Acked-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> # zorro
Link: https://patch.msgid.link/41400e323be8640702b906d04327e833c5bdaf4a.1782808461.git.u.kleine-koenig@baylibre.com
[Drop "MOD" from the header guards]
Signed-off-by: Uwe Kleine-König (The Capable Hub) <u.kleine-koenig@baylibre.com>
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Pull BPF fixes from Daniel Borkmann:
- Initialize task local storage before fork bails out to free the task
(Jann Horn)
- Fix insn_aux_data leak on verifier error path (KaFai Wan)
- Reject BPF inode storage map creation when BPF LSM is uninitialized
(Matt Bobrowski)
- Mask pseudo pointer values in verifier logs when pointer leaks are
not allowed (Nuoqi Gui)
- Harden BPF JIT against spraying via IBPB flush (Pawan Gupta)
- Reject a skb-modifying SK_SKB stream parser since the latter is only
meant to measure the next message (Sechang Lim)
- Fix bpf_refcount_acquire to reject refcounted allocation arguments
with a non-zero fixed offset (Yiyang Chen)
* tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf: Prefer dirty packs for eBPF allocations
bpf: Prefer packs that won't trigger an IBPB flush on allocation
bpf: Skip redundant IBPB in pack allocator
bpf: Restrict JIT predictor flush to cBPF
x86/bugs: Enable IBPB flush on BPF JIT allocation
bpf: Support for hardening against JIT spraying
bpf: Reject BPF_MAP_TYPE_INODE_STORAGE creation if BPF LSM is uninitialized
bpf,fork: wipe ->bpf_storage before bailouts that access it
bpf: Fix insn_aux_data leak on verifier err_free_env path
selftests/bpf: Cover pseudo-BTF ksym log masking
bpf: Mask pseudo pointer values in verifier logs
selftests/bpf: Cover refcount acquire node offsets
bpf: Reject offset refcount acquire arguments
selftests/bpf: test rejection of a packet-modifying SK_SKB stream parser
bpf, sockmap: reject a packet-modifying SK_SKB stream parser
selftests/bpf: don't modify the skb in the strparser parser prog
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Add a iomap_bio_submit_read_endio helper factored out of
iomap_bio_submit_read to that all ->submit_read implementations for
iomap_read_ops that use iomap_bio_read_folio_range can shared the
logic.
Right now that logic is mostly trivial, but already has a bug for XFS
because the XFS version is too trivial: file system integrity validation
needs a workqueue context and thus can't happen from the default iomap
bi_end_io I/O handler. Unfortunately the iomap refactoring just before
fs integrity landed moved code around here and the call go misplaced,
meaning it never got called. The PI information still is verified by
the block layer, but the offloading is less efficient (and the future
userspace interface can't get at it).
Fixes: 0b10a370529c ("iomap: support T10 protection information")
Cc: stable@vger.kernel.org # v7.1
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://patch.msgid.link/20260629121750.3392300-2-hch@lst.de
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Joanne Koong <joannelkoong@gmail.com>
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
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The netfs_inode::wb_lock mutex is used to prevent multiple simultaneous
writebacks from fighting each other (a writeback thread will write multiple
discontiguous regions within the same request). The mutex, however, only
serialises the issuing of subrequests; it doesn't serialise the collection
of results, and, in particular, the updating of file size information and
fscache populatedness data.
Unfortunately, the mutex cannot be held around the entire process as it has
to be unlocked in the same thread in which it is locked - and we don't want
to hold up the allocator whilst we complete the writeback.
Fix this by replacing the mutex with a bit flag and a list of lock waiters
so that the lock can be dropped in the collector thread after collection is
complete.
Link: https://sashiko.dev/#/patchset/20260608145432.681865-1-dhowells%40redhat.com
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://patch.msgid.link/20260625140640.3116900-12-dhowells@redhat.com
cc: Paulo Alcantara <pc@manguebit.org>
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
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Fix a kdoc warning due to a misnamed parameter in the description.
Reported-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://patch.msgid.link/20260625140640.3116900-11-dhowells@redhat.com
cc: Paulo Alcantara <pc@manguebit.org>
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
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Currently predictor flush on memory reuse is done for all BPF JIT
allocations, but only cBPF programs can be loaded by an unprivileged user.
eBPF is privileged by default, and flushing predictors for all CPUs on
every eBPF reuse penalizes the common case for no security benefit.
eBPF allocations can be frequent on busy systems, only flush predictors
for cBPF programs. Trampoline and dispatcher allocations also skip the
flush as they are eBPF-only.
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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The BPF JIT allocator packs many small programs into larger executable
allocations and reuses space within those allocations as programs are
loaded and freed. When fresh code is written into space that a previous
program occupied, an indirect jump into the new program can reuse a branch
prediction left behind by the old one.
Flush the indirect branch predictors before reusing JIT memory so that
indirect jumps into a newly written program don't reuse predictions from an
old program that occupied the same space.
Introduce bpf_arch_pred_flush_enabled static key and bpf_arch_pred_flush
static call for flushing the branch predictors on JIT memory reuse.
Architectures that need a flush, can update it to a predictor flush
function. By default, its a NOP and does not emit any CALL.
Allocations larger than a pack are not covered by this flush. That is safe
because cBPF programs (the unprivileged attack surface) are bounded well
below a pack size. Issue a warning if this assumption is ever violated
while the flush is active.
Signed-off-by: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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When CONFIG_BPF_LSM=y is set, BPF inode storage maps
(BPF_MAP_TYPE_INODE_STORAGE) are compiled into the kernel. However,
if the BPF LSM is not explicitly enabled at boot time (e.g. omitted
from the "lsm=" boot parameter), lsm_prepare() is never executed for
the BPF LSM.
Consequently, the BPF inode security blob offset
(bpf_lsm_blob_sizes.lbs_inode) is never initialized and remains at
its default compiled size of 8 bytes instead of being updated to a
valid offset past the reserved struct rcu_head (typically 16 bytes
or more).
When a privileged user creates and updates a BPF_MAP_TYPE_INODE_STORAGE
map, bpf_inode() evaluates inode->i_security + 8. This erroneously
aliases the struct rcu_head.func callback pointer at the beginning
of the inode->i_security blob. During subsequent map element cleanup
or inode destruction, writing NULL to owner_storage clears the queued
RCU callback pointer. When rcu_do_batch() later executes the queued
callback, it attempts an instruction fetch at address 0x0, triggering
an immediate kernel panic.
Fix this by introducing a global bpf_lsm_initialized boolean flag
marked with __ro_after_init. Set this flag to true inside bpf_lsm_init()
when the LSM framework successfully registers the BPF LSM. Gate map
allocation in inode_storage_map_alloc() on this flag, returning
-EOPNOTSUPP if the BPF LSM is in turn uninitialized.
This fail-fast approach prevents userspace from allocating inode
storage maps when the supporting BPF LSM infrastructure is absent,
avoiding zombie map states.
Fixes: 8ea636848aca ("bpf: Implement bpf_local_storage for inodes")
Reported-by: oxsignal <awo@kakao.com>
Signed-off-by: Matt Bobrowski <mattbobrowski@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Emil Tsalapatis <emil@etsalapatis.com>
Reviewed-by: Amery Hung <ameryhung@gmail.com>
Link: https://lore.kernel.org/bpf/20260628201103.3624525-1-mattbobrowski@google.com
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The vfio-pci module parameters of disable_idle_d3, nointxmask, and
disable_vga latch vfio-pci policy into vfio-pci-core globals each time
the vfio-pci module is initialized. The disable_idle_d3 parameter has
already migrated to a per-device flag in order to provide consistency
for refcounted PM operations for the lifetime of the device
registration.
Pull the remaining vfio-pci module-parameter policy out of vfio-pci-core
into per-device flags set at device initialization.
This also restores the mutable aspect of the disable_idle_d3 and
nointxmask module parameters for vfio-pci, with the caveat that the
parameters are latched into the device at probe.
A notable change for variant drivers is that their devices are no longer
affected by vfio-pci module parameters and those drivers may need to
adopt similar module parameters if any devices have a hidden dependency
on vfio-pci setting non-default policy.
Assisted-by: Claude:claude-opus-4-8
Acked-by: Chengwen Feng <fengchengwen@huawei.com>
Signed-off-by: Alex Williamson <alex.williamson@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20260615191241.688297-6-alex.williamson@nvidia.com
Signed-off-by: Alex Williamson <alex@shazbot.org>
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Bitfield operations are not atomic, they use a read-modify-write
pattern, therefore we should be careful not to pack bitfields that
can be concurrently updated into the same storage unit.
This split takes a binary approach: flags that are only modified
pre/post open/close remain bitfields, flags modified from user
action, including actions that reach across to another device (ex.
reset) use dedicated storage units.
Note that the virq_disabled and bardirty flags are relocated to fill
an existing hole in the structure.
Bitfield justifications:
has_dyn_msix: written only in vfio_pci_core_enable()
pci_2_3: written only in vfio_pci_core_enable()
reset_works: written only in vfio_pci_core_enable()
extended_caps: written only in vfio_cap_len() under vfio_config_init()
has_vga: written only in vfio_pci_core_enable()
nointx: written only in vfio_pci_core_enable()
needs_pm_restore: written only in vfio_pci_probe_power_state()
disable_idle_d3: written only at .init in vfio_pci_core_init_dev()
Dedicated storage units:
virq_disabled: written by guest INTx command writes in
vfio_basic_config_write() while the device is open
bardirty: written by guest BAR writes in vfio_basic_config_write()
while the device is open
pm_intx_masked: written in the runtime-PM suspend path.
pm_runtime_engaged: written by low-power feature entry/exit paths
needs_reset: set in vfio_pci_core_disable() and cleared for devices in
the set by vfio_pci_dev_set_try_reset()
sriov_active: written by vfio_pci_core_sriov_configure() via sysfs
sriov_numvfs while bound.
Fixes: 9cd0f6d5cbb6 ("vfio/pci: Use bitfield for struct vfio_pci_core_device flags")
Cc: stable@vger.kernel.org
Assisted-by: Claude:claude-opus-4-8
Signed-off-by: Alex Williamson <alex.williamson@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20260615191241.688297-4-alex.williamson@nvidia.com
Signed-off-by: Alex Williamson <alex@shazbot.org>
|
|
When disable_idle_d3 was introduced in vfio-pci, it directly manipulated
the device power state with pci_set_power_state(). There were no
refcounts to maintain or balanced operations, we could unconditionally
bring the device to D0 and conditionally move it to D3hot. Therefore
the module parameter was made writable.
Later, in commit c61302aa48f7 ("vfio/pci: Move module parameters to
vfio_pci.c"), as part of the vfio-pci-core split, the writable aspect
of the module parameter was nullified. The parameter value could still
be changed through sysfs, but the vfio-pci driver latched the values
into vfio-pci-core globals at module init. Loading the vfio-pci module,
or unloading and reloading, with non-default or different values could
change the globals relative to existing devices bound to vfio-pci
variant drivers.
Runtime PM was introduced in commit 7ab5e10eda02 ("vfio/pci: Move the
unused device into low power state with runtime PM"), which marks the
point where power states became refcounted. PM get and put operations
need to be balanced, but the same module operations noted above can
change the global variables relative to those devices already bound to
vfio-pci variant drivers. This introduces a window where PM operations
can now become unbalanced.
To resolve this with a narrow footprint for stable backports, the
disable_idle_d3 flag is latched into the vfio_pci_core_device at the
time of initialization, such that the device always operates with a
consistent value.
NB. vfio_pci_dev_set_try_reset() now unconditionally raises the
runtime PM usage count around bus reset to account for disable_idle_d3
becoming a per-device rather than global flag. When this flag is set,
the additional get/put pair is harmless and allows continued use of the
shared vfio_pci_dev_set_pm_runtime_get() helper.
Fixes: 7ab5e10eda02 ("vfio/pci: Move the unused device into low power state with runtime PM")
Cc: stable@vger.kernel.org
Assisted-by: Claude:claude-opus-4-8
Signed-off-by: Alex Williamson <alex.williamson@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20260615191241.688297-2-alex.williamson@nvidia.com
Signed-off-by: Alex Williamson <alex@shazbot.org>
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Pull NTB updates from Jon Mason:
"An EPF bug fix to prevent an invalid unmap during device removal,
along with documentation fixes and minor AMD driver cleanups"
* tag 'ntb-7.2' of https://github.com/jonmason/ntb:
ntb: amd: Use named initializer for pci_device_id::driver_data
NTB: fix kernel-doc warnings in ntb.h
NTB: epf: Avoid pci_iounmap() with offset when PEER_SPAD and CONFIG share BAR
ntb_hw_amd: Fix incorrect debug message in link disable path
|
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small bug fixes accumulated over the last week.
Most are device-specific fixes while there are a few core fixes as
well.
Here are the highlights:
ALSA Core:
- A fix for an uninitialised heap leak in ALSA sequencer core
- A fix for error handling/resource leak in compress-offload API
USB-audio:
- A teardown-ordering fix in USB MIDI 2.0 to prevent use-after-free
- Bounds and length checks for packet data in Native Instruments
caiaq / Traktor Kontrol input parsers
- Avoidance of expensive kobject path lookups in DualSense controller
matches
- Robustness/memory leak fixes for Qualcomm USB offload driver
- Focusrite Control Protocol (FCP) NULL-pointer dereference fix and a
new device quirk (ISA C8X)
- Device-specific quirks for Yamaha CDS3000 and SC13A
HD-Audio:
- A bunch of quirks and mute/mic-mute LED fixups for various laptops
(Acer, Clevo, Lenovo, HP)
ASoC & SoundWire:
- Avoid failing card registration if the device_link creation fails
- A workaround for SoundWire randconfig build failures by making
helper functions static inline
- Corrected MCLK reference validation for CS530x codecs
- Clean up of untested, problematic guard() macro replacements in
Rockchip SAI driver
- Fix for eDMA maxburst misalignment with channel count in Freescale
ASRC
- Miscellaneous hardware-specific fixes (qcom, rt5650, tlv320aic3x,
tas2781/3)
Others:
- Bounds and length checks for packet data in Apple iSight"
* tag 'sound-fix-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (46 commits)
ALSA: FCP: Fix NULL pointer dereference in interface lookup
ALSA: hda/realtek: Update Acer Nitro ANV15-41 quirk to enable mute LED
ASoC: fsl_asrc_dma: fix eDMA maxburst misalignment with channel count
ASoC: codecs: pcm512x: only print info once on no sclk
ASoC: tas2781: Update default register address to TAS2563
ALSA: firewire: isight: bound the sample count to the packet payload
ALSA: usb-audio: qcom: Free QMI handle
ALSA: hda: Add Lenovo Legion 7i 16IAX7 17AA3874 quirk
ALSA: usb-audio: avoid kobject path lookup in DualSense match
ALSA: hda/realtek: Add quirk for Acer Nitro ANV15-41
ASoC: soc-core: Don't fail if device_link could not be created
ASoC: rockchip: rockchip_sai: #include <linux/platform_device.h> explicitly
ALSA: seq: Fix uninitialised heap leak in snd_seq_event_dup()
ASoC: rt5575: Use __le32 for SPI burst write address
ASoC: tas2783: Update loaded firmware names to linux-firmware 20260519
ASoC: SDCA: Validate written enum value in ge_put_enum_double()
ASoC: realtek: Add back local call to sdw_show_ping_status()
ASoC: ti: Add back local call to sdw_show_ping_status()
ASoC: max98373: Add back local call to sdw_show_ping_status()
ASoC: es9356: Add back local call to sdw_show_ping_status()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni:
"Most of the work and improvements are for features of the m41t93.
The ds1307 also gets support for OSF (Oscillator Stop Flag) for
new variants.
The pcap driver is being removed as the Motorola EZX support was
removed a while ago.
Subsystem:
- add rtc_read_next_alarm() to read next expiring timer
Drivers:
- ds1307: handle OSF for ds1337/ds1339/ds3231, add clock provider for
ds1307, fix wday for rx8130
- m41t93: DT support, alarm, clock provider, watchdog support
- mv: add suspend/resume support for wakeup
- pcap: remove driver
- renesas-rtca3: many fixes"
* tag 'rtc-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (36 commits)
rtc: ds1307: update reference to removed CONFIG_RTC_DRV_DS1307_HWMON
platform/x86: amd-pmc: Fix S0i3 wakeup with alarmtimer
rtc: s35390a: fix typo in comment
rtc: cmos: unregister HPET IRQ handler on probe failure
rtc: ds1307: Fix off-by-one issue with wday for rx8130
dt-bindings: rtc: ds1307: Add epson,rx8901
rtc: bq32000: add delay between RTC reads
rtc: m41t93: Add watchdog support
rtc: m41t93: Add square wave clock provider support
rtc: m41t93: Add alarm support
rtc: m41t93: migrate to regmap api for register access
rtc: m41t93: add device tree support
dt-bindings: rtc: Add ST m41t93
rtc: ds1307: add support for clock provider in ds1307
rtc: mv: add suspend/resume support for wakeup
rtc: aspeed: add AST2700 compatible
dt-bindings: rtc: add ASPEED AST2700 compatible
rtc: interface: fix typos in rtc_handle_legacy_irq() documentation
rtc: msc313: fix NULL deref in shared IRQ handler at probe
rtc: remove unused pcap driver
...
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Correct a function name and function parameter name to avoid
kernel-doc warnings:
Warning: include/linux/ntb.h:575 expecting prototype for
ntb_default_port_count(). Prototype was for ntb_default_peer_port_count()
instead
Warning: include/linux/ntb.h:590 function parameter 'pidx' not
described in 'ntb_default_peer_port_number'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
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https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v7.2
We've got a good collection of device specific fix here, plus a couple
of stand out things:
- Richard fixed some special cases with the new device_link creation
by more gracefully handling any errors during creation.
- Charles did some light refactoring of the SoundWire interfaces to
fix some persistent randconfig issues that people kept running into.
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git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk updates from Stephen Boyd:
"This is all clk driver updates. Mostly new SoC support for various
Qualcomm chips and Canaan K230. Otherwise there's non-critical fixes
and updates to clk data such as adding missing clks to existing
drivers or marking clks critical. Nothing looks especially exciting"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: (106 commits)
clk: qcom: regmap-phy-mux: Rework the implementation
clk: qcom: a53: Corrected frequency multiplier for 1152MHz
clk: qcom: camcc-milos: Declare icc path dependency for CAMSS_TOP_GDSC
clk: qcom: gdsc: Support enabling interconnect path for power domain
dt-bindings: clock: qcom,milos-camcc: Document interconnect path
interconnect: Add devm_of_icc_get_by_index() as exported API for users
clk: qcom: camcc-x1p42100: Add support for camera clock controller
clk: qcom: camcc-x1e80100: Add support for camera QDSS debug clocks
clk: qcom: videocc-x1p42100: Add support for video clock controller
dt-bindings: clock: qcom: Add X1P42100 camera clock controller
dt-bindings: clock: qcom: Add X1P42100 video clock controller
clk: keystone: sci-clk: fix application of sizeof to pointer
clk: keystone: don't cache clock rate
clk: spacemit: k3: Add PCIe DBI clock
dt-bindings: soc: spacemit: k3: Add PCIe DBI clock IDs
clk: spacemit: k3: Fix PCIe clock register offset
clk: spacemit: k3: Switch to pll2_d6 as parent for PCIe clock
clk: at91: keep securam node alive while mapping it
clk: samsung: exynos990: Fix PERIC0/1 USI clock types
clk: renesas: r9a08g045: Drop unused pm_domain header file
...
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git://git.kernel.org/pub/scm/linux/kernel/git/sboyd/spmi
Pull SPMI updates from Stephen Boyd:
"Support for Qualcomm PMIC arbiter v8.5 and Hawi along with a
kernel doc cleanup and a kzalloc flex usage"
* tag 'spmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sboyd/spmi:
spmi: use kzalloc_flex in main allocation
spmi: clean up kernel-doc in spmi.h
spmi: spmi-pmic-arb: add support for PMIC arbiter v8.5
dt-bindings: spmi: glymur-spmi-pmic-arb: Add compatible for Qualcomm Hawi SoC
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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 and IPsec.
Current release - regressions:
- do not acquire dev->tx_global_lock in netdev_watchdog_up()
- ethtool: keep rtnl_lock for ops using ethtool_op_get_link()
- fix deadlock in nested UP notifier events
Current release - new code bugs:
- eth:
- cn20k: fix subbank free list indexing for search order
- airoha: fix BQL underflow in shared QDMA TX ring
Previous releases - regressions:
- netfilter:
- flowtable: fix offloaded ct timeout never being extended
- nf_conncount: prevent connlimit drops for early confirmed ct
Previous releases - always broken:
- require CAP_NET_ADMIN in the originating netns when modifying
cross-netns devices
- report NAPI thread PID in the caller's pid namespace
- mac802154: fix dirty frag in in-place crypto for IOT radios
- sctp: hold socket lock when dumping endpoints in sctp_diag, avoid
an overflow
- eth: gve: fix header buffer corruption with header-split and HW-GRO
- af_key: initialize alg_key_len for IPComp states, prevent OOB read"
* tag 'net-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (213 commits)
selftests: bonding: add a test for VLAN propagation over a bonded real device
vlan: defer real device state propagation to netdev_work
net: add the driver-facing netdev_work scheduling API
net: turn the rx_mode work into a generic netdev_work facility
net: ethtool: keep rtnl_lock for ops using ethtool_op_get_link()
rxrpc: Fix rxrpc_rotate_tx_rotate() to check there's something to rotate
rxrpc: Fix leak of released call in recvmsg(MSG_PEEK)
rxrpc: Fix socket notification race
rxrpc: Fix potential infinite loop in rxrpc_recvmsg()
rxrpc: Fix oob challenge leak in cleanup after notification failure
rxrpc: Fix the reception of a reply packet before data transmission
afs: Fix uncancelled rxrpc OOB message handler
afs: Fix further netns teardown to cancel the preallocation charger
rxrpc: Fix double unlock in rxrpc_recvmsg()
rxrpc: Fix leak of connection from OOB challenge
rxrpc: Fix ACKALL packet handling
net: hns3: differentiate autoneg default values between copper and fiber
net: hns3: fix permanent link down deadlock after reset
net: hns3: refactor MAC autoneg and speed configuration
net: hns3: unify copper port ksettings configuration path
...
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With an extra event mask we can easily extend the netdev work
to also service driver-defined events. For advanced drivers
this is probably not a perfect match, but it makes running
deferred work easier in simple cases.
Expose the netdev_work facility to drivers. Add helpers
to schedule work and a dedicated ndo to perform the driver-
-scheduled actions.
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20260624182018.2445732-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The rx_mode update runs from a workqueue: drivers have their
ndo_set_rx_mode_async() callback executed by a single global
work item under RTNL and ops lock. This is a useful pattern.
Support multiple "events" that need to be serviced and make RX_MODE
sync the first one. Call the events "core" because later on
we will let drivers define and schedule their own.
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20260624182018.2445732-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Breno reports following splats on mlx5:
RTNL: assertion failed at net/core/dev.c (2241)
WARNING: net/core/dev.c:2241 at netif_state_change+0xed/0x130, CPU#5: ethtool/1335
RIP: 0010:netif_state_change+0xf9/0x130
Call Trace:
<TASK>
__linkwatch_sync_dev+0xea/0x120
ethtool_op_get_link+0xe/0x20
__ethtool_get_link+0x26/0x40
linkstate_prepare_data+0x51/0x200
ethnl_default_doit+0x213/0x470
genl_family_rcv_msg_doit+0xdd/0x110
Looks like I missed ethtool_op_get_link() trying to sync linkwatch,
which needs rtnl_lock. Not all drivers do this - bnxt doesn't,
it just returns the link state, so add an opt-in bit.
Reported-by: Breno Leitao <leitao@debian.org>
Fixes: 45079e00133e ("net: ethtool: optionally skip rtnl_lock on Netlink path for GET ops")
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Reviewed-by: Breno Leitao <leitao@debian.org>
Acked-by: Harshitha Ramamurthy <hramamurthy@google.com>
Link: https://patch.msgid.link/20260624190439.2521219-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block fixes from Jens Axboe:
- blk-cgroup locking rework and fixes:
- fix a use-after-free in __blkcg_rstat_flush()
- defer freeing policy data until after an RCU grace period
- defer the blkcg css_put until the blkg is unlinked from
the queue
- unwind the queue_lock nesting under RCU / blkcg->lock
across the lookup, create, associate and destroy paths
- NVMe fixes via Keith:
- Fix a crash and memory leak during invalid cdev teardown,
and related cdev cleanups (Maurizio, John)
- nvmet fixes: handle TCP_CLOSING in the tcp state_change
handler, reject short AUTH_RECEIVE buffers, handle inline
data with a nonzero offset in rdma, fix an sq refcount leak,
and allocate ana_state with the port (Maurizio, Michael,
Bryam, Wentao, Rosen)
- nvme-fc fix to not cancel requests on an IO target before it
is initialized (Mohamed)
- nvme-apple fix to prevent shared tags across queues on Apple
A11 (Nick)
- Various smaller fixes and cleanups (John)
- MD fixes via Yu Kuai:
- raid1/raid10 fixes for writes_pending and barrier reference
leaks on write and discard failures, plus REQ_NOWAIT handling
fixes (Abd-Alrhman)
- raid5 discard accounting and validation, and a batch of fixes
for stripe batch races (Yu Kuai, Chen)
- Protect raid1 head_position during read balancing (Chen)
- block bio-integrity fixes: correct an error injection static key
decrement, fix GFP flag confusion in bio_integrity_alloc_buf(), and
handle REQ_OP_ZONE_APPEND in __bio_integrity_action() (Christoph)
- Fixes for bio_iov_iter_bounce_write(): revert the iov_iter after a
short copy, and respect the iov_iter nofault flag (Qu)
- Invalidate the cached plug timestamp after a task switch, and clear
PF_BLOCK_TS in copy_process() (Usama)
- Fix the IORING_URING_CMD_REISSUE flags check in blkdev_uring_cmd()
(Yitang)
- Remove a redundant plug in __submit_bio() (Wen)
- Don't warn when reclassifying a busy socket lock in nbd (Deepanshu)
* tag 'block-7.2-20260625' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux: (45 commits)
block: handle REQ_OP_ZONE_APPEND in __bio_integrity_action
block: fix GFP_ flags confusion in bio_integrity_alloc_buf
block, bfq: don't grab queue_lock to initialize bfq
mm/page_io: don't nest queue_lock under rcu in bio_associate_blkg_from_page()
blk-cgroup: don't nest queue_lock under blkcg->lock in blkcg_destroy_blkgs()
blk-cgroup: don't nest queue_lock under rcu in bio_associate_blkg()
blk-cgroup: don't nest queue_lock under rcu in blkg_lookup_create()
blk-cgroup: don't nest queue_lock under rcu in blkcg_print_blkgs()
blk-cgroup: delay freeing policy data after rcu grace period
blk-cgroup: protect iterating blkgs with blkcg->lock in blkcg_print_stat()
md/raid5: avoid R5_Overlap races while breaking stripe batches
md/raid5: use stripe state snapshot in break_stripe_batch_list()
blk-cgroup: defer blkcg css_put until blkg is unlinked from queue
blk-cgroup: fix UAF in __blkcg_rstat_flush()
block, bfq: protect async queue reset with blkcg locks
nbd: don't warn when reclassifying a busy socket lock
block: fix incorrect error injection static key decrement
md/raid5: let stripe batch bm_seq comparison wrap-safe
md/raid1: protect head_position for read balance
md/raid1: free r1_bio when REQ_NOWAIT is set and read would block on retry
...
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git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull io_uring fixes from Jens Axboe:
- Fix a file reference leak in the nop opcode when used with
IOSQE_FIXED_FILE
- Preserve the SQ array entries when resizing the ring via the register
path
- Preserve the partial result for an iopoll request rather than
overwriting it
- Don't audit log IORING_OP_RECV_ZC
- Bound io_pin_pages() by the page array byte size in the memmap path
- Follow-up cleanup to the task_work mpscq conversion, getting rid of
the now-unnecessary tw_pending tracking for the !DEFER_TASKRUN path
- Switch a system_unbound_wq user over to system_dfl_wq
* tag 'io_uring-7.2-20260625' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
io_uring/memmap: bound io_pin_pages() by page array byte size
io_uring: Use system_dfl_wq instead of system_unbound_wq
io_uring/register: preserve SQ array entries on resize
io_uring, audit: don't log IORING_OP_RECV_ZC
io_uring: get rid of tw_pending for !DEFER task work
io_uring/rw: preserve partial result for iopoll
io_uring/nop: fix file reference leak with IOSQE_FIXED_FILE
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* clk-microchip:
clk: at91: keep securam node alive while mapping it
clk: at91: sama7d65: add peripheral clock for I3C
clk: microchip: mpfs-ccc: fix peripheral driver registration failures after oob fix
clk: at91: sam9x7: Fix gmac_gclk clock definition
clk: at91: sam9x7: Rename macb0_clk to gmac_clk
clk: at91: sam9x7: Remove gmac peripheral clock with ID 67
clk: microchip: rename clk-core to clk-pic32
* clk-qcom: (32 commits)
clk: qcom: regmap-phy-mux: Rework the implementation
clk: qcom: a53: Corrected frequency multiplier for 1152MHz
clk: qcom: camcc-milos: Declare icc path dependency for CAMSS_TOP_GDSC
clk: qcom: gdsc: Support enabling interconnect path for power domain
dt-bindings: clock: qcom,milos-camcc: Document interconnect path
interconnect: Add devm_of_icc_get_by_index() as exported API for users
clk: qcom: camcc-x1p42100: Add support for camera clock controller
clk: qcom: camcc-x1e80100: Add support for camera QDSS debug clocks
clk: qcom: videocc-x1p42100: Add support for video clock controller
dt-bindings: clock: qcom: Add X1P42100 camera clock controller
dt-bindings: clock: qcom: Add X1P42100 video clock controller
clk: qcom: nord: negcc: add support for the USB2 PHY reset
dt-bindings: clock: qcom: add the definition for the USB2 PHY reset
clk: qcom: clk-rpmh: Make all VRMs optional
clk: qcom: Add support for global clock controller on Hawi
clk: qcom: clk-alpha-pll: Add support for Taycan EHA_T PLL
clk: qcom: Add Hawi TCSR clock controller driver
clk: qcom: rpmh: Add support for Hawi RPMH clocks
dt-bindings: clock: qcom: Add Hawi global clock controller
dt-bindings: clock: qcom: Add Hawi TCSR clock controller
...
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into clk-next
* clk-renesas: (36 commits)
clk: renesas: r9a08g045: Drop unused pm_domain header file
clk: renesas: r8a779g0: Add DSC clock
clk: renesas: rzg2l: Rename iterator in for_each_mod_clock() to avoid shadowing
clk: renesas: r9a08g045: Drop unused DEF_G3S_MUX macro
clk: renesas: rzg2l: Rename RZG3L-prefixed PLL macros to CPG-prefixed ones
clk: renesas: rzg3s/rzg3l: Simplify PLL configuration macro
clk: renesas: rzg2l: Simplify SAM PLL configuration macro
clk: renesas: r8a73a4: Add ZT/ZTR trace clocks
dt-bindings: clock: renesas,cpg-clocks: Document ZT/ZTR trace clock on R-Mobile APE6
clk: renesas: r9a08g046: Add RSPI clocks and resets
clk: renesas: r9a08g046: Add SSIF-2 clocks and resets
clk: renesas: r9a08g046: Add RSCI clocks and resets
clk: renesas: cpg-mssr: Add number of clock cells check
clk: renesas: rzg2l: Refactor rzg3l_cpg_pll_clk_endisable()
clk: renesas: rzg2l: Consolidate DEF_MUX() and DEF_MUX_FLAGS()
clk: renesas: r9a08g046: Add IA55_PCLK to critical module clocks
clk: renesas: r9a09g047: Add support for LCDC{0,1} clocks and resets
clk: renesas: r9a09g047: Add support for DSI clocks and resets
clk: renesas: r9a09g047: Add support for SMUX2_DSI{0,1}_CLK
clk: renesas: r9a09g047: Add CLK_PLLDSI{0,1}_CSDIV clocks
...
* clk-socfpga:
clk: socfpga: agilex: implement l3_main_free_clk
* clk-amlogic:
dt-bindings: clock: amlogic: t7: Add missing mpll3 parent clock
dt-bindings: clock: amlogic: Fix redundant hyphen in "amlogic,t7-gp1--pll" string.
* clk-canaan:
clk: canaan: Add clock driver for Canaan K230
dt-bindings: clock: Add Canaan K230 clock controller
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Remove MPS/MRRS Kconfig settings (CONFIG_PCIE_BUS_*) that worked
around a WiFi device defect; use a quirk or boot-time
"pci=pcie_bus_tune_*" kernel parameter instead (Bjorn Helgaas)
- Always lift 2.5GT/s restriction in PCIe failed link retraining to
avoid clamping a link to 2.5GT/s after hot-plug changes the device
(Maciej W. Rozycki)
- Request bus reassignment when not probe-only to fix an enumeration
regression on Marvell CN106XX and possibly other DT-based systems
(Ratheesh Kannoth)
- Fix procfs race between pci_proc_init() and pci_bus_add_device()
that resulted in 'proc_dir_entry ... already registered' warnings
and pointer corruption (Krzysztof Wilczyński)
- Fix sysfs race that causes 'duplicate filename' warnings and boot
panics by converting PCI resource files to static attributes
(Krzysztof Wilczyński)
- Expose sysfs 'resourceN_resize' attributes only on platforms with
PCI mmap (Krzysztof Wilczyński)
- Require CAP_SYS_ADMIN to write to sysfs 'resourceN_resize'
attributes (Krzysztof Wilczyński)
- Add security_locked_down(LOCKDOWN_PCI_ACCESS) to alpha PCI resource
mmap path to match the generic path (Krzysztof Wilczyński)
- Use kstrtobool() to parse the 'rom' attribute input to avoid the
unexpected behavior of enabling the ROM when writing '0' with no
trailing newline (Krzysztof Wilczyński)
Resource management:
- Improve resource claim logging for debuggability (Ilpo Järvinen)
- Clean up several uses of const parameters (Ilpo Järvinen)
- Check option ROM header signatures and lengths before accessing to
avoid page faults and alignment faults (Guixin Liu)
ASPM:
- Don't reconfigure ASPM when entering low-power D-state; only do it
when returning back to D0 (Carlos Bilbao)
Power management:
- During suspend, set power state to 'unknown' for all devices, not
just those with drivers (Lukas Wunner)
- Skip restoring Resizable BARs and VF Resizable BARs if device
doesn't respond to config reads, to avoid invalid array accesses
(Marco Nenciarini)
- Add pci_suspend_retains_context() so drivers can tell whether
devices retain internal state across suspend/resume, since some
platforms reset devices on suspend; use this in nvme to avoid
issues on Qcom RCs (Manivannan Sadhasivam)
Power control:
- Only to power on/off devices that actually support power control to
avoid poking at incompatible devices mentioned in DT (Manivannan
Sadhasivam)
Virtualization and resets:
- Log device readiness timeouts as errors, not warnings, because the
device is likely unusable in this case (Bjorn Helgaas)
- Wait for device readiness after soft reset (D3hot ->
D0uninitialized transition), when the device may respond with
Request Retry Status (RRS) if it needs more time to initialize
(Bjorn Helgaas)
- Drop unnecessary retries when restoring BARs because resets should
now already include all required delays (Lukas Wunner)
- Avoid FLR for MediaTek MT7925 WiFi, where FLR fails after a VM
terminates uncleanly (Jose Ignacio Tornos Martinez)
- Avoid SBR for Qualcomm WCN6855/WCN7850 WiFi, SDX62/SDX65 modems,
which seem not to support it correctly (Jose Ignacio Tornos
Martinez)
Peer-to-peer DMA:
- Prevent P2PDMA as well as CPU access to non-mappable BARs, e.g.,
s390 ISM BARs (Matt Evans)
- Add Intel QAT, DSA, IAA devices to whitelist (Lukas Wunner)
Endpoint framework:
- Add endpoint controller APIs for use by function drivers to
discover auxiliary blocks like DMA engines (Koichiro Den)
- Remember DesignWare eDMA engine base/size and expose them via the
EPC aux-resource API (Koichiro Den)
- Add endpoint embedded doorbell fallback, used if MSI allocation
fails (Koichiro Den)
- Validate BAR index and remove dead BAR read in endpoint doorbell
test (Carlos Bilbao)
- Unwind MSI/MSI-X vectors if NTB initialization fails part-way
through (Koichiro Den)
- Cache sleepable pci_irq_vector() value at ISR setup to avoid
calling it from hardirq context (Koichiro Den)
- Call sleepable pci_epc_raise_irq() from a work item instead of
atomic context, e.g., when setting bits in NTB peer doorbells in
the ntb_peer_db_set() path (Koichiro Den)
- Report 0-based vNTB doorbell vector to account for link event 0 and
historically skipped slot 1 (Koichiro Den)
- Prevent configfs writes to vNTB db_count and other values that are
already in use after EPC attach (Koichiro Den)
- Account for vNTB db_valid reserved slots (link event 0 and
historically skipped slot 1) so they don't appear as valid
doorbells (Koichiro Den)
- Implement vNTB .db_vector_count()/mask() for doorbells so clients
can use multiple vectors and avoid thundering herds (Koichiro Den)
- Report 0-based NTB doorbell vector to account for link event 0 and
historically skipped slot 1 (Koichiro Den)
- Fix doorbell bitmask and IRQ vector handling to clear only
specified bits, use the correct vector for non-contiguous Linux IRQ
numbers, and validate incoming vectors (Koichiro Den)
- Implement NTB .db_vector_count()/mask() for doorbells so clients
can use multiple vectors (Koichiro Den)
Native PCIe controller infrastructure:
- Add pci_host_common_link_train_delay() for the mandatory delay
after > 5GT/s Link training completes and use it for cadence HPA,
j721e, LGA; dwc; aardvark, mediatek-gen3, rzg3s (Hans Zhang)
- Protect root bus removal with rescan lock in altera, brcmstb,
cadence, dwc, iproc, mediatek, plda, rockchip to prevent
use-after-free or crashes when racing with sysfs rescan or hotplug
(Hans Zhang)
- Add pci_host_common_parse_ports() for use by any native driver to
parse Root Port properties (per-Link features like width, speed,
PHY, power and reset control, etc should be described in Root Port
stanzas, not the host bridge; currently only reset GPIOs
implemented) (Sherry Sun)
New native PCIe controller drivers:
- Add DT binding and driver for UltraRISC DP1000 PCIe controller
(Xincheng Zhang, Jia Wang)
Altera PCIe controller driver:
- Do not dispose of the parent IRQ mapping, which belongs to the
parent interrupt controller (Mahesh Vaidya)
- Fix chained IRQ handler ordering issue and resource leaks on probe
failure (Mahesh Vaidya)
AMD MDB PCIe controller driver:
- Assert PERST# on shutdown so any connected Endpoints are held in
reset during shutdown (Sai Krishna Musham)
Amlogic Meson PCIe controller driver:
- Propagate devm_add_action_or_reset() failure to fix probe error
path (Shuvam Pandey)
- Add .remove() callback to deinitialize the host bridge and power
off the PHY (Shuvam Pandey)
Broadcom iProc PCIe controller driver:
- Restore .map_irq() assignment; its removal broke INTx on the iproc
platform bus driver (Mark Tomlinson)
Broadcom STB PCIe controller driver:
- No change, but products using certain WiFi devices may be affected
by removal of CONFIG_PCIE_BUS_* (see above)
Freescale i.MX6 PCIe controller driver:
- Move IMX6SX_GPR12_PCIE_TEST_POWERDOWN handling into the core reset
functions (Richard Zhu)
- Assert PERST# before enabling regulators to ensure that even if
power is enabled, endpoint stays inactive until REFCLK is stable
(Sherry Sun)
- Parse reset properties in Root Port nodes (falling back to host
bridge) to help support Key E connectors and the pwrctrl framework
(Sherry Sun)
- Configure i.MX95 REF_USE_PAD before PHY reset (Richard Zhu)
- Assert i.MX95 ref_clk_en after reference clock stabilizes (Richard
Zhu)
- Integrate new pwrctrl API for DTs with Root Port-level power
supplies (Sherry Sun)
Intel Gateway PCIe controller driver:
- Enable clock before PHY init for correct ordering (Florian Eckert)
- Add .start_link() callback so the driver works again (Florian
Eckert)
- Stop overwriting the ATU base address discovered by
dw_pcie_get_resources() (Florian Eckert)
- Add DT 'atu' region since this is hardware-specific, and fall back
to driver default if lacking (Florian Eckert)
Loongson PCIe controller driver:
- Ignore downstream devices only on internal bridges to avoid
Loongson hardware issue (Rong Zhang)
- Quirk old Loongson-3C6000 bridges that advertise incorrect
supported link speeds (Ziyao Li)
Marvell MVEBU PCIe controller driver:
- Use fixed-width interrupt masks to avoid truncation in 64-bit
builds (Rosen Penev)
MediaTek PCIe controller driver:
- Use FIELD_PREP() to fix incorrect operator precedence in
PCIE_FTS_NUM_L0 (Li RongQing)
- Fix IRQ domain leak when port fails to enable (Manivannan
Sadhasivam)
- Use actual physical address for MSI message address instead of
virt_to_phys() (Manivannan Sadhasivam)
- Add EcoNet EN7528 to DT binding (Caleb James DeLisle)
MediaTek PCIe Gen3 controller driver:
- Deassert PCIE_PHY_RSTB so REFCLK is stable for at least 100ms
(PCIE_T_PVPERL_MS) before deasserting PERST# (Jian Yang)
- Add .shutdown() to assert PERST# before powering down device (Jian
Yang)
- Do full device power down on removal, including asserting PERST#,
when removing driver (Chen-Yu Tsai)
- Fix a 'failed to create pwrctrl devices' error message that was
inadvertently skipped (Chen-Yu Tsai)
NVIDIA Tegra194 PCIe controller driver:
- Program the DesignWare PORT_AFR L1 entrance latency based on the
'aspm-l1-entry-delay-ns' DT property (Manikanta Maddireddy)
Qualcomm PCIe controller driver:
- Add Eliza SoC compatible in DT binding (Krishna Chaitanya Chundru)
- Set max OPP during resume so DBI register accesses don't fail with
NoC errors (Qiang Yu)
- Add pci_host_common_d3cold_possible() to determine whether
downstream devices are already in D3hot and wakeup-enabled devices
are capable of generating PME from D3cold (Krishna Chaitanya
Chundru)
- Add .get_ltssm() callback to get the LTSSM status without DBI,
since DBI may be inaccessible after PME_Turn_Off (Krishna Chaitanya
Chundru)
- Power down PHY via PARF_PHY_CTRL before disabling rails/clocks to
avoid power leakage (Krishna Chaitanya Chundru)
- Decide whether suspend should put the link in L2 and power down
using pci_host_common_d3cold_possible() instead of checking whether
ASPM L1 is enabled (Krishna Chaitanya Chundru)
- Add qcom D3cold support to tear down interconnect bandwidth and OPP
votes (Krishna Chaitanya Chundru)
- Handle unsupported mixed PERST#/PHY DT configurations, e.g., PHY in
RP node while PERST# is in the RC node, but warn about the DT issue
(Qiang Yu)
- Program T_POWER_ON based on DT 't-power-on-us' property in case
hardware advertises incorrect values (Krishna Chaitanya Chundru)
- Disable ASPM L0s for SA8775P (Shawn Guo)
- Initialize DWC MSI lock for firmware-managed ECAM hosts, which
don't use the dw_pcie_host_init() path that initializes the lock
(Yadu M G)
Renesas RZ/G3S PCIe controller driver:
- Add RZ/V2N DT support (Lad Prabhakar)
SOPHGO PCIe controller driver:
- Add 'dma-coherent' DT property for sg2042-pcie driver (Han Gao)
Synopsys DesignWare PCIe controller driver:
- Apply ECRC TLP Digest workaround for all DesignWare cores prior to
5.10a, not just 4.90a and 5.00a (Manikanta Maddireddy)
- Use common struct dw_pcie 'mode' rather than duplicating it in
artpec6, dra7xx, dwc-pcie, and keembay driver structs (Hans Zhang)
- Use DEFINE_SHOW_ATTRIBUTE for ltssm_status debugfs to reduce
boilerplate and fix a seq_file memory leak by including a
.release() callback (Hans Zhang)
- Fix a signedness bug in fault injection test code (Dan Carpenter)
- Avoid NULL pointer dereference when tearing down debugfs for
controller that lacks RAS DES capability (Shuvam Pandey)
MicroSemi Switchtec management driver:
- Add Gen6 Device IDs (Ben Reed)
Miscellaneous:
- Remove unused gpio.h include from amd-mdb, designware-plat, fu740,
visconti drivers (Andy Shevchenko)
- Fix typos in documentation (josh ziegler)
- Use FIELD_MODIFY() instead of open-coding it (Hans Zhang)"
* tag 'pci-v7.2-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (168 commits)
PCI/sysfs: Use kstrtobool() to parse the ROM attribute input
PCI/sysfs: Limit BAR resize attribute scope to platforms with PCI mmap
PCI/sysfs: Remove pci_create_legacy_files() and pci_sysfs_init()
PCI/sysfs: Convert legacy I/O and memory attributes to static definitions
PCI/sysfs: Add __weak pci_legacy_has_sparse() helper
alpha/PCI: Compute legacy size in pci_mmap_legacy_page_range()
PCI: Add macros for legacy I/O and memory address space sizes
PCI/sysfs: Remove pci_{create,remove}_sysfs_dev_files()
alpha/PCI: Convert resource files to static attributes
alpha/PCI: Add static PCI resource attribute macros
alpha/PCI: Remove WARN from __pci_mmap_fits() and __legacy_mmap_fits()
alpha/PCI: Fix __pci_mmap_fits() overflow for zero-length BARs
alpha/PCI: Use PCI resource accessor macros
alpha/PCI: Use BAR index in sysfs attr->private instead of resource pointer
alpha/PCI: Add security_locked_down() check to pci_mmap_resource()
PCI/sysfs: Limit pci_sysfs_init() late_initcall compile scope
PCI/sysfs: Add stubs for pci_{create,remove}_sysfs_dev_files()
PCI/sysfs: Warn about BAR resize failure in __resource_resize_store()
PCI/sysfs: Convert PCI resource files to static attributes
PCI/proc: Fix race between pci_proc_init() and pci_bus_add_device()
...
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|
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- A new driver for Wacom W9000-series penabled touchscreens
- Updates to STM FTS driver adding support for reset line and preparing
the driver for STMFTS5 support
- Updates to RMI4 and IMS PCU drivers hardening the code
- Support for half-duplex mode restored in ADS7846 driver
- Updates to driver's device_id tables to use named initializers
- Removal of no longer used PCAP keys and touchscreen drivers (support
for the ezx series of phones was removed in 2022)
- Removal of xilinx_ps2 driver which is no longer used either
- Updates to userio to allow setting up additional serio port
characteristics (such as id, extra and proto)
- Assorted hardening and cleanup fixes for other drivers
* tag 'input-for-v7.2-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (72 commits)
Input: mms114 - fix touch indexing for MMS134S and MMS136
Input: elan_i2c - prevent division by zero and arithmetic underflow
Input: stop force-feedback timer when unregistering input devices
Input: iforce - bound the device-reported force-feedback effect index
Input: goodix - clamp the device-reported contact count
Input: mms114 - reject an oversized device packet size
Input: touchwin - reset the packet index on every complete packet
Input: rmi4 - update formatting in F12
Input: rmi4 - propagate proper error code in F12 sensor tuning
Input: rmi4 - simplify size calculations in F12
Input: rmi4 - use sizeof(*ptr) and idiomatic checks in f12 allocators
Input: rmi4 - use devm_kmalloc for F12 data packet buffer
Input: rmi4 - use flexible array member for IRQ masks in F12
Input: rmi4 - use unaligned access helpers in F12
Input: rmi4 - change reg_size type to u32
Input: rmi4 - refactor F12 probe function
Input: rmi4 - use kzalloc_flex() for struct rmi_function
Input: rmi4 - refactor function allocation and registration
Input: rmi4 - use local presence map in rmi_read_register_desc()
Input: rmi4 - fix limit in rmi_register_desc_has_subpacket()
...
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|
bio_integrity_alloc_buf usage of GFP_ flags is messed up. For one it
mixes GFP_NOFS and GFP_NOIO for neighbouring allocations, but it also
makes the allocations fail more often than needed. That code was copied
from bio_alloc_bioset which needs to do that so that it can punt to the
rescuer workqueue, but none of that is needed for the integrity
allocations that either sits in the file system or at the very bottom
of the I/O stack. Failing early means we'll do a fully waiting
allocation from the mempool ->alloc callback which is usually much
larger than required.
Fix this by passing a gfp_t so that the file system path can pass
GFP_NOFS and the auto-integrity code can pass GFP_NOIO, and don't
modify the allocation type except for disabling warnings.
Fixes: ec7f31b2a2d3 ("block: make bio auto-integrity deadlock safe")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://patch.msgid.link/20260624080014.1998650-2-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
|
|
Pull NFS client updates from Anna Schumaker:
"New features:
- XPRTRDMA: Decouple req recycling from RPC completion
- NFS: Expose FMODE_NOWAIT for read-only files
Bugfixes:
- SUNRPC:
- Fix sunrpc sysfs error handling
- Fix uninitialized xprt_create_args structure
- XPRTRDMA:
- Harden connect and reply handling
- NFS:
- Fix EOF updates after fallocate/zero-range
- Keep PG_UPTODATE clear after read errors in page groups
- Use nfsi->rwsem to protect traversal of the file lock list
- Prevent resource leak in nfs_alloc_server()
- NFSv4:
- Clear exception state on successful mkdir retry
- Don't skip revalidate when holding a dir delegation and attrs are stale
- pNFS:
- Fix use-after-free in pnfs_update_layout()
- Defer return_range callbacks until after inode unlock
- Fix LAYOUTCOMMIT retry loop on OLD_STATEID
- Reject zero-length r_addr in nfs4_decode_mp_ds_addr
- NFS/flexfiles:
- Reject zero-length filehandle version arrays
- Fix checking if a layout is striped
- Fixes for honoring FF_FLAGS_NO_IO_THRU_MDS
Other cleanups and improvements:
- Remove the fileid field from struct nfs_inode
- Move long-delayed xprtrdma work onto the system_dfl_long_wq
- Convert xprtrdma send buffer free list to an llist
- Show "<redacted>" for cert_serial and privkey_serial mount options"
* tag 'nfs-for-7.2-1' of git://git.linux-nfs.org/projects/anna/linux-nfs: (42 commits)
NFS: Use common error handling code in nfs_alloc_server()
NFS: Prevent resource leak in nfs_alloc_server()
NFSv4/pNFS: reject zero-length r_addr in nfs4_decode_mp_ds_addr
nfs: don't skip revalidate on directory delegation when attrs flagged stale
xprtrdma: Return sendctx slot after Send preparation failure
xprtrdma: Repost Receive buffers for malformed replies
xprtrdma: Sanitize the reply credit grant after parsing
xprtrdma: Fix bcall rep leak and unbounded peek
xprtrdma: Resize reply buffers before reposting receives
xprtrdma: Check frwr_wp_create() during connect
xprtrdma: Initialize re_id before removal registration
xprtrdma: Fix ep kref imbalance on ADDR_CHANGE
xprtrdma: Convert send buffer free list to llist
NFS: correct CONFIG_NFS_V4 macro name in #endif comment
nfs: use nfsi->rwsem to protect traversal of the file lock list
NFSv4.1/pNFS: fix LAYOUTCOMMIT retry loop on OLD_STATEID
nfs: expose FMODE_NOWAIT for read-only files
nfs: add nowait version of nfs_start_io_direct
NFSv4/flexfiles: honor FF_FLAGS_NO_IO_THRU_MDS in pg_get_mirror_count_write
NFSv4/flexfiles: honor FF_FLAGS_NO_IO_THRU_MDS on fatal DS connect errors
...
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|
git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs updates from Jaegeuk Kim:
"The changes primarily focus on filesystem error reporting, reducing
memory footprint by reverting in-memory data structures used for
runtime validation, honoring FDP hints, and adding trace and debug
logs. In addition, there are critical bug fixes resolving
out-of-bounds read vulnerabilities in inline directory and ACL
handling, potential deadlocks in balance_fs, use-after-free issues in
atomic writes, and false data/node type assignments in large sections.
Enhancements:
- Revert in-memory sit version and block bitmaps
- support to report fserror
- add trace_f2fs_fault_report
- add iostat latency tracking for direct IO
- add logs in f2fs_disable_checkpoint()
- honor per-I/O write streams for direct writes
- map data writes to FDP streams
- skip inode folio lookup for cached overwrite
- skip direct I/O iostat context when disabled
- revert "check in-memory block bitmap"
- revert "check in-memory sit version bitmap"
Fixes:
- optimize representative type determination in GC
- fix incorrect FI_NO_EXTENT handling in __destroy_extent_node()
- fix potential deadlock in f2fs_balance_fs()
- fix potential deadlock in gc_merge path of f2fs_balance_fs()
- atomic: fix UAF issue on f2fs_inode_info.atomic_inode
- fix missing read bio submission on large folio error
- pass correct iostat type for single node writes
- fix to do sanity check on f2fs_get_node_folio_ra()
- validate orphan inode entry count
- keep atomic write retry from zeroing original data
- read COW data with the original inode during atomic write
- validate inline dentry name lengths before conversion
- validate dentry name length before lookup compares it
- reject setattr size changes on large folio files
- revert "remove non-uptodate folio from the page cache in move_data_block"
- validate ACL entry sizes in f2fs_acl_from_disk()
- bound i_inline_xattr_size for non-inline-xattr inodes
- fix listxattr handling of corrupted xattr entries
- fix to round down start offset of fallocate for pin file"
* tag 'f2fs-for-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs: (42 commits)
f2fs: fix to round down start offset of fallocate for pin file
f2fs: fix listxattr handling of corrupted xattr entries
f2fs: skip direct I/O iostat context when disabled
f2fs: remove unneeded f2fs_is_compressed_page()
f2fs: avoid unnecessary fscrypt_finalize_bounce_page()
f2fs: avoid unnecessary sanity check on ckpt_valid_blocks
f2fs: misc cleanup in f2fs_record_stop_reason()
f2fs: fix wrong description in printed log
f2fs: bound i_inline_xattr_size for non-inline-xattr inodes
f2fs: validate ACL entry sizes in f2fs_acl_from_disk()
Revert "f2fs: remove non-uptodate folio from the page cache in move_data_block"
f2fs: Split f2fs_write_end_io()
f2fs: Rename f2fs_post_read_wq into f2fs_wq
f2fs: Prepare for supporting delayed bio completion
f2fs: reject setattr size changes on large folio files
f2fs: validate dentry name length before lookup compares it
f2fs: validate inline dentry name lengths before conversion
f2fs: read COW data with the original inode during atomic write
f2fs: skip inode folio lookup for cached overwrite
f2fs: keep atomic write retry from zeroing original data
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"Core:
- New devm_of_dma_controller_register() API
- Refactor devm_dma_request_chan() API
New Support:
- Loongson Multi-Channel DMA controller support
- Renesas RZ/{T2H,N2H} support
- Dw CV1800B DMA support
- Switchtec DMA engine driver
U pdates:
- Xilinx AXI dma binding conversion
- Renesas CHCTRL register read updates
- AMD MDB Endpoint and non-LL mode Support
- AXI dma handling of SW and HW cyclic transfers termination
- Intel ioatdma and idxd driver updates"
* tag 'dmaengine-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (62 commits)
dt-bindings: dma: snps,dw-axi-dmac: Add fallback compatible for CV1800B
MAINTAINERS: dmaengine/ti: Remove myself and add Vignesh as maintainer
dmaengine: qcom: Unify user-visible "Qualcomm" name
dt-bindings: dma: qcom,gpi: Document GPI DMA engine for Shikra SoC
dmaengine: qcom: hidma: use sysfs_emit() in sysfs show callbacks
dmaengine: dw-axi-dmac: fix PM for system sleep and channel alloc
dmaengine: dw-axi-dmac: drop redundant DMAC enable in block start
dmaengine: altera-msgdma: Use memcpy_toio for descriptor FIFO writes
dt-bindings: dma: fsl-edma: add dma-channel-mask property description
dmaengine: tegra: Fix burst size calculation
dmaengine: iop32x-adma: Remove a leftover header file
dmaengine: dma-axi-dmac: use DMA pool to manange DMA descriptor
dmaengine: dma-axi-dmac: Drop struct clk from main struct
dmaengine: dma-axi-dmac: Properly free struct axi_dmac_desc
dmaengine: Fix possible use after free
dmaengine: dw-edma: Add spinlock to protect DONE_INT_MASK and ABORT_INT_MASK
dmaengine: dw-edma-pcie: Reject devices without driver data
dmaengine: sh: rz-dmac: Add DMA ACK signal routing support
irqchip/renesas-rzv2h: Add DMA ACK signal routing support
dmaengine: dw-edma: Remove dw_edma_add_irq_mask()
...
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- Move IMX6SX_GPR12_PCIE_TEST_POWERDOWN handling into the core reset
functions (Richard Zhu)
- Add pci_host_common_parse_ports() for use by any native driver to parse
Root Port properties (currently only reset GPIOs) (Sherry Sun)
- Assert PERST# before enabling regulators to ensure that even if power is
enabled, endpoint stays inactive until REFCLK is stable (Sherry Sun)
- Parse reset properties in Root Port nodes (falling back to host bridge)
to help support Key E connectors and the pwrctrl framework (Sherry Sun)
- Configure i.MX95 REF_USE_PAD before PHY reset (Richard Zhu)
- Assert i.MX95 ref_clk_en after reference clock stabilizes (Richard Zhu)
- Integrate new pwrctrl API for DTs with Root Port-level power supplies
(Sherry Sun)
* pci/controller/dwc-imx6:
PCI: imx6: Integrate new pwrctrl API
PCI: imx6: Assert ref_clk_en after reference clock stabilizes on i.MX95
PCI: imx6: Configure REF_USE_PAD before PHY reset for i.MX95
PCI: imx6: Parse 'reset-gpios' in Root Port nodes
PCI: imx6: Assert PERST# before enabling regulators
PCI: host-generic: Add common helpers for parsing Root Port properties
dt-bindings: PCI: fsl,imx6q-pcie: Add reset GPIO in Root Port node
PCI: imx6: Fix IMX6SX_GPR12_PCIE_TEST_POWERDOWN handling
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- Add endpoint controller APIs for use by function drivers to discover
auxiliary blocks like DMA engines (Koichiro Den)
- Remember DesignWare eDMA engine base/size and expose them via the EPC
aux-resource API (Koichiro Den)
- Refactor endpoint doorbell allocation to allow non-MSI doorbells
(Koichiro Den)
- Add endpoint embedded doorbell fallback, used if MSI allocation fails
(Koichiro Den)
- Validate BAR index and remove dead BAR read in endpoint doorbell test
(Carlos Bilbao)
- Unwind MSI/MSI-X vectors if NTB initialization fails part-way through
(Koichiro Den)
- Cache sleepable pci_irq_vector() value at ISR setup to avoid calling it
from hardirq context (Koichiro Den)
- Validate doorbell count when configuring NTB and vNTB doorbells
(Manivannan Sadhasivam)
- Call sleepable pci_epc_raise_irq() from a work item instead of atomic
context, e.g., when setting bits in NTB peer doorbells in the
ntb_peer_db_set() path (Koichiro Den)
- Report 0-based vNTB doorbell vector to account for link event 0 and
historically skipped slot 1 (Koichiro Den)
- Reject unusable vNTB doorbell counts, e.g., if they don't allow space for
link event 0 and historically skipped slot 1 (Koichiro Den)
- Prevent configfs writes to vNTB db_count and other values that are
already in use after EPC attach (Koichiro Den)
- Account for vNTB db_valid reserved slots (link event 0 and historically
skipped slot 1) so they don't appear as valid doorbells (Koichiro Den)
- Implement vNTB .db_vector_count()/mask() for doorbells so clients can use
multiple vectors and avoid thundering herds (Koichiro Den)
- Report 0-based NTB doorbell vector to account for link event 0 and
historically skipped slot 1 (Koichiro Den)
- Fix doorbell bitmask and IRQ vector handling to clear only specified
bits, use the correct vector for non-contiguous Linux IRQ numbers, and
validate incoming vectors (Koichiro Den)
- Implement NTB .db_vector_count()/mask() for doorbells so clients can use
multiple vectors (Koichiro Den)
* pci/endpoint:
NTB: epf: Implement .db_vector_count()/mask() for doorbells
NTB: epf: Fix doorbell bitmask and IRQ vector handling
NTB: epf: Report 0-based doorbell vector via ntb_db_event()
NTB: epf: Make db_valid_mask cover only real doorbell bits
NTB: epf: Document legacy doorbell slot offset in ntb_epf_peer_db_set()
PCI: endpoint: pci-epf-vntb: Implement .db_vector_count()/mask() for doorbells
PCI: endpoint: pci-epf-vntb: Exclude reserved slots from db_valid_mask
PCI: endpoint: pci-epf-vntb: Guard configfs writes after EPC attach
PCI: endpoint: pci-epf-vntb: Reject unusable doorbell counts
PCI: endpoint: pci-epf-vntb: Report 0-based doorbell vector via ntb_db_event()
PCI: endpoint: pci-epf-vntb: Defer pci_epc_raise_irq() out of atomic context
PCI: endpoint: pci-epf-vntb: Document legacy MSI doorbell offset
PCI: endpoint: pci-epf-ntb: Add check to detect 'db_count' value of 0
PCI: endpoint: pci-epf-vntb: Add check to detect 'db_count' value of 0
NTB: epf: Avoid calling pci_irq_vector() from hardirq context
NTB: epf: Fix request_irq() unwind in ntb_epf_init_isr()
misc: pci_endpoint_test: Remove dead BAR read before doorbell trigger
misc: pci_endpoint_test: Validate BAR index in doorbell test
PCI: endpoint: pci-ep-msi: Add embedded doorbell fallback
PCI: endpoint: pci-epf-test: Reuse pre-exposed doorbell targets
PCI: endpoint: pci-epf-vntb: Reuse pre-exposed doorbells and IRQ flags
PCI: endpoint: pci-ep-msi: Refactor doorbell allocation for new backends
PCI: dwc: ep: Expose integrated eDMA resources via EPC aux-resource API
PCI: dwc: Record integrated eDMA register window
PCI: endpoint: Add auxiliary resource query API
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- Add Gen6 Device IDs to the switchtec driver (Ben Reed)
* pci/switchtec:
PCI: switchtec: Add Gen6 Device IDs
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- Require CAP_SYS_ADMIN to write to sysfs 'resourceN_resize' attributes
(Krzysztof Wilczyński)
- Convert PCI resource files to static attributes to avoid races that cause
'duplicate filename' warnings and boot panics (Krzysztof Wilczyński)
- Remove pci_create_sysfs_dev_files() and pci_remove_sysfs_dev_files(),
which are obsolete after converting to static attributes (Krzysztof
Wilczyński)
- Add security_locked_down(LOCKDOWN_PCI_ACCESS) to alpha PCI resource mmap
path to match the generic path (Krzysztof Wilczyński)
- Convert sysfs 'legacy_io' and 'legacy_mem' to static attributes
(Krzysztof Wilczyński)
- Remove pci_create_legacy_files() and pci_sysfs_init(), which are obsolete
after converting to static attributes (Krzysztof Wilczyński)
- Expose sysfs 'resourceN_resize' attributes only on platforms with PCI
mmap (Krzysztof Wilczyński)
- Use kstrtobool() to parse the 'rom' attribute input to avoid the
unexpected behavior of enabling the ROM when writing '0' with no trailing
newline (Krzysztof Wilczyński)
* pci/sysfs:
PCI/sysfs: Use kstrtobool() to parse the ROM attribute input
PCI/sysfs: Limit BAR resize attribute scope to platforms with PCI mmap
PCI/sysfs: Remove pci_create_legacy_files() and pci_sysfs_init()
PCI/sysfs: Convert legacy I/O and memory attributes to static definitions
PCI/sysfs: Add __weak pci_legacy_has_sparse() helper
alpha/PCI: Compute legacy size in pci_mmap_legacy_page_range()
PCI: Add macros for legacy I/O and memory address space sizes
PCI/sysfs: Remove pci_{create,remove}_sysfs_dev_files()
alpha/PCI: Convert resource files to static attributes
alpha/PCI: Add static PCI resource attribute macros
alpha/PCI: Remove WARN from __pci_mmap_fits() and __legacy_mmap_fits()
alpha/PCI: Fix __pci_mmap_fits() overflow for zero-length BARs
alpha/PCI: Use PCI resource accessor macros
alpha/PCI: Use BAR index in sysfs attr->private instead of resource pointer
alpha/PCI: Add security_locked_down() check to pci_mmap_resource()
PCI/sysfs: Limit pci_sysfs_init() late_initcall compile scope
PCI/sysfs: Add stubs for pci_{create,remove}_sysfs_dev_files()
PCI/sysfs: Warn about BAR resize failure in __resource_resize_store()
PCI/sysfs: Convert PCI resource files to static attributes
PCI/sysfs: Add static PCI resource attribute macros
PCI/sysfs: Add CAP_SYS_ADMIN check to __resource_resize_store()
PCI/sysfs: Split pci_llseek_resource() for device and legacy attributes
PCI/sysfs: Only allow supported resource types in I/O and MMIO helpers
PCI: Add pci_resource_is_io() and pci_resource_is_mem() helpers
PCI/sysfs: Use PCI resource accessor macros
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- Improve resource claim logging for debuggability (Ilpo Järvinen)
- Rename 'added' to 'add_list' for naming consistency (Ilpo Järvinen)
- Consolidate 'add_list' sanity checks (Ilpo Järvinen)
- Clean up several uses of const parameters (Ilpo Järvinen)
- Move pci_resource_alignment() from header to setup-res.c file (Ilpo
Järvinen)
* pci/resource:
PCI: Move pci_resource_alignment() to setup-res.c file
PCI: Convert pci_resource_alignment() input parameters to const
PCI: Make pci_sriov_resource_alignment() pci_dev const
powerpc/pseries: Make pseries_get_iov_fw_value() & pnv_iov_get() pci_dev const
resource: Make resource_alignment() input const resource
PCI: Remove const removal cast
PCI: Consolidate add_list (aka realloc_head) empty sanity checks
PCI: Rename 'added' to 'add_list'
PCI: Log all resource claims
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- Set power state to 'unknown' for all devices, not just those with
drivers, during suspend (Lukas Wunner)
- Skip restoring Resizable BARs and VF Resizable BARs if device doesn't
respond to config reads, to avoid invalid array accesses (Marco
Nenciarini)
- Add pci_suspend_retains_context() so drivers can tell whether devices may
be reset while resuming from suspend due to platform issues; use this in
nvme to avoid issues on Qcom RCs (Manivannan Sadhasivam)
* pci/pm:
nvme-pci: Use pci_suspend_retains_context() during suspend
PCI: qcom: Indicate broken L1SS exit during resume from system suspend
PCI: Indicate context lost if L1SS exit is broken during resume from system suspend
PCI: Add pci_suspend_retains_context() to check if device state is preserved during suspend
PCI/IOV: Skip VF Resizable BAR restore on read error
PCI: Skip Resizable BAR restore on read error
PCI: Stop setting cached power state to 'unknown' on unbind
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Currently, pci_create_legacy_files() and pci_remove_legacy_files() are
no-op stubs. With legacy attributes now handled by static groups
registered via pcibus_groups[], no call site needs them.
Remove both functions, their declarations, and the call sites in
pci_register_host_bridge(), pci_alloc_child_bus(), and pci_remove_bus().
Remove the pci_sysfs_init() late_initcall and sysfs_initialized. The
late_initcall originally existed to create all the dynamic PCI sysfs files,
but with both resource and legacy attributes now handled by static groups,
it is no longer needed.
Remove the legacy_io and legacy_mem fields from struct pci_bus which were
used to track the dynamically allocated legacy attributes.
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Shivaprasad G Bhat <sbhat@linux.ibm.com>
Link: https://patch.msgid.link/20260508043543.217179-24-kwilczynski@kernel.org
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Add defines for the standard PCI legacy address space sizes, replacing the
raw literals used by the legacy sysfs attributes.
Then, replace open-coded values with the newly added macros.
No functional changes intended.
Suggested-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Shivaprasad G Bhat <sbhat@linux.ibm.com>
Link: https://patch.msgid.link/20260508043543.217179-20-kwilczynski@kernel.org
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Currently, pci_create_sysfs_dev_files() and pci_remove_sysfs_dev_files()
are no-op stubs. With both the generic and Alpha resource files now
handled by static attribute groups, no platform needs dynamic per-device
sysfs file creation.
Remove both functions, their declarations, and the call sites in
pci_bus_add_device() and pci_stop_dev().
Remove __weak pci_create_resource_files() and pci_remove_resource_files()
stubs and their declarations in pci.h, as no architecture overrides them
anymore.
Remove the res_attr[] and res_attr_wc[] fields from struct pci_dev which
were used to track dynamically allocated resource attributes.
Finally, simplify pci_sysfs_init() to only handle legacy file creation
under HAVE_PCI_LEGACY, removing the per-device loop and the
HAVE_PCI_SYSFS_INIT helper added earlier.
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Shivaprasad G Bhat <sbhat@linux.ibm.com>
Link: https://patch.msgid.link/20260508043543.217179-19-kwilczynski@kernel.org
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On platforms with HAVE_PCI_MMAP or ARCH_GENERIC_PCI_MMAP_RESOURCE, resource
files are now handled by static attribute groups registered via
pci_dev_groups[].
Stub out the pci_create_sysfs_dev_files() and pci_remove_sysfs_dev_files(),
as the dynamic resource file creation is no longer needed.
Also, simplify pci_sysfs_init() on these platforms to only iterate buses
for legacy attributes creation, skipping the per-device loop.
Move the __weak stubs for pci_create_resource_files() and
pci_remove_resource_files() into the #else branch since only platforms
without HAVE_PCI_MMAP (such as Alpha architecture) still need them. Guard
the res_attr[] and res_attr_wc[] fields in struct pci_dev the same way.
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Shivaprasad G Bhat <sbhat@linux.ibm.com>
Link: https://patch.msgid.link/20260508043543.217179-10-kwilczynski@kernel.org
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