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A bit of refactoring, and merge path_no_prefix() into path_to_dentry().
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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This patch adds usage of RCU and seqlocks for cached dir (list and
entries).
Traversing the list under RCU allows faster lookups (no locks) and also
guarantees that entries being read are not gone (i.e. prevents UAF).
seqlocks provides atomicity/consistency when reading entries, allowing
callers to re-check cfid in case of write-side invalidation.
Combined with refcounting, this new approach provides safety for
callers and flexibility for future enhancements.
Other:
- now that we can inform lookups of cfid changes, set cfid->dentry
earlier in open_cached_dir() to allow by-dentry lookups to find
this cfid
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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Don't check root dir dentry in cifs_dentry_needs_reval() as its inode
was created before the cfid, so the time check will fail and trigger an
unnecessary revalidation.
Also account for dir_cache_timeout in time comparison, because if we
have a cached dir, we have a lease for it, and, thus, may assume its
children are (still) valid. To confirm that, let the ac*max checks
go through for granular results.
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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A dentry is passed to cifs_statfs(), so pass down d_is_dir() to
smb2_queryfs() so we can cache/reuse this dir.
Other:
- make smb2_compound_op a static function, as it's not used anywhere
else
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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When we have an inode on upper levels, pass is_dir down to
smb2_query_path_info() so we can lookup for a cached dir there.
Since we now have a possible recursive lookup in open_cached_dir() e.g.:
cifs_readdir
open_cached_dir
lookup_noperm_positive_unlocked
...
cifs_d_revalidate
...
smb2_query_path_info
find_cached_dir
the cfid must be added to the entries list only after dentry lookup, so
we don't hang on an infinite recursion while waiting for itself to open.
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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Replace with ->unique_id and ->dtype -- the only fields used from
cifs_fattr.
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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The file struct passed down to cifs_readdir() is a stack variable, which
means it makes no sense to keep/track it across a cached dir lifetime.
Instead, use it to track concurrent accesses to the same cached path,
and wait for the previous one to finish filling/emitting.
Without this patch, virtually every 'ls' will issue a Find request,
even when we have both directory and dirents cached and valid.
With this patch, the chances of cache hits increases a lot, so on
highly concurrent scenarios, the amount of network calls are
drastically reduced.
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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Currently, even when we have a valid cached dir, cifs_readdir will not
make use of it for the Find request, and will reopen a separate handle
in query_dir_first.
Fix this by setting cifsFile->fid to cfid->fid and resetting search info
parameters. Also add cifs_search_info->reset_scan to indicate
SMB2_query_directory_init to include the SMB2_RESTART_SCANS flag.
With this, we use query_dir_next directly instead of query_dir_first.
This patch also keeps the cfid reference all through cifs_readdir().
To prevent bogus/invalid usage of it, check if cfid is still valid after
each possible network call (i.e. where possible reconnects may have
happened).
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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In SMB2_open_init() lookup for a cached parent of target path and set
ParentLeaseKey in lease context if found.
Introduce invalidate_cached_dirents() to allow revalidation of cached
dirents but still keep the cached directory.
Testing with e.g. xfstests generic/637 (small simple test) shows a
performance gain of ~17% less create/open ops, and ~83% less lease
breaks:
Before patch
Create/open:
# tshark -Y 'smb2.create.disposition == 1' -r unpatched.pcap
169
Lease breaks:
# tshark -Y 'smb2.cmd == 18' -r unpatched.pcap
12
-----------------
After patch:
Create/open:
# tshark -Y 'smb2.create.disposition == 1' -r patched.pcap
144
Lease breaks:
# tshark -Y 'smb2.cmd == 18' -r patched.pcap
2
Other:
- set oparms->cifs_sb in open_cached_dir() as we need it in
check_cached_parent(); use CIFS_OPARMS() too
- introduce CFID_LOOKUP_PARENT lookup mode (for string paths only)
- add cached_fids->dirsep to save dir separator, used by parent lookups
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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cached_fid validity (usable by callers) is already based on ->time != 0,
having other flags/booleans to check the same thing can be confusing and
make things unnecessarily complex.
This patch removes cached_fid booleans ->has_lease, ->is_open,
->file_all_info_is_valid.
Replace their semantics with already existing, simpler checks:
- ->is_open is replaced by checking if persistent_fid != 0
- ->has_lease is currently used as a "is valid" check, but we already
validate it based on ->time anyway, so drop it
- ->file_all_info becomes a pointer and its presence becomes its
validity
This patch also concretly defines the "is opening" semantic; it's
based on ->time == 0, which is used as "creation time", so the only
time it's 0 is between allocation and valid (opened/cached) or invalid,
and it also never transitions back to 0 again.
(->last_access_time follows the same, but it's already used for
expiration checks)
Other:
- add CFID_INVALID_TIME (value 1); this allows us to differentiate
between opening (0), valid (jiffies), or invalid (1)
- rename time/last_access_time to ctime/atime to follow other common
usage of such fields
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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- s/drop_cached_dir_by_name/drop_cached_dir/
make it a generic find + invalidate function to replace
drop_cached_dir_by_name() and cached_dir_lease_break()
We now funnel any cleanup to laundromat, so we can make the release
callback free only dirents, path, and cfid itself.
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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Enable cfid lookups to be matched with the 3 modes (path, dentry,
and lease key) currently used in a single function.
Caller exposed function (find_cached_dir()) checks if cfid is
mid-creation in open_cached_dir() and retries the lookup, avoiding
opening the same path again.
Changes:
- expose find_cached_dir()
- add CFID_LOOKUP_* modes
- remove @lookup_only arg from open_cached_dir(), replace, in calllers,
with find_cached_dir() where it was true
- remove open_cached_dir_by_dentry(), replace with find_cached_dir()
- use find_cached_dir() in cached_dir_lease_break()
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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This patch splits the function into 2 separate ones; it not only makes
the code clearer, but also allows further and easier enhancements to
both.
So move the initialization part into init_cached_dir() and add
find_cached_dir() for lookups.
Other:
- drop_cached_dir_by_name():
* use find_cached_dir()
* remove no longer used args
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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free_cached_dir() is no longer used anywhere else.
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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close_all_cached_dirs(), invalidate_all_cached_dirs() and
free_cached_dirs() have become too similar now, merge their
functionality in a single static invalidate_all_cfids() function.
This also allows removing free_cached_dirs() altogether as it only
requires cancelling the work afterwards (done directly in
tconInfoFree()).
Other changes:
- remove struct cached_dir_dentry
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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That field is currently used to indicate when a cfid should be removed
from the entries list.
Since we now keep cfids on the list until they're going down, we can
remove the field and use the other existing fields for the same effect.
Other changes:
- cfids->num_entries follows semantics of list_*() ops
- add cfid_expired() helper
- check is_valid_cached_dir() even on success when leaving
open_cached_dir()
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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Since any cleanup is now done on the local list in laundromat, the
dying list can be removed.
- entries stays on the main list until they're scheduled for cleanup
(->last_access_time == 1)
- cached_fids->num_entries is decremented only when cfid transitions
from on_list true -> false
cached_fid lifecycle on the list becomes:
- list_add() on find_or_create_cached_dir()
- list_move() to local list on laundromat
- list_del() on release callback, if on_list == true (unlikely, see
comment in the function)
Other changes:
- add invalidate_cfid() helper
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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Move cfid to dying list directly on cached_dir_lease_break(), and
schedule laundromat for cleanup there too.
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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Make put_work an 'async dput' and then move cfid to dying list so
laundromat can cleanup the rest.
Other changes:
- add drop_cfid() helper to drop entries counter, dput and close
synchronously, when possible
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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We can do the same cleanup on laundromat.
On invalidate_all_cached_dirs(), run laundromat worker with 0 timeout
and flush it for immediate + sync cleanup.
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"Two short fixes that would be good to have before rc1"
* tag 'for-6.18-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: fix PAGE_SIZE format specifier in open_ctree()
btrfs: avoid potential out-of-bounds in btrfs_encode_fh()
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Pull nfsd updates from Chuck Lever:
"Mike Snitzer has prototyped a mechanism for disabling I/O caching in
NFSD. This is introduced in v6.18 as an experimental feature. This
enables scaling NFSD in /both/ directions:
- NFS service can be supported on systems with small memory
footprints, such as low-cost cloud instances
- Large NFS workloads will be less likely to force the eviction of
server-local activity, helping it avoid thrashing
Jeff Layton contributed a number of fixes to the new attribute
delegation implementation (based on a pending Internet RFC) that we
hope will make attribute delegation reliable enough to enable by
default, as it is on the Linux NFS client.
The remaining patches in this pull request are clean-ups and minor
optimizations. Many thanks to the contributors, reviewers, testers,
and bug reporters who participated during the v6.18 NFSD development
cycle"
* tag 'nfsd-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux: (42 commits)
nfsd: discard nfserr_dropit
SUNRPC: Make RPCSEC_GSS_KRB5 select CRYPTO instead of depending on it
NFSD: Add io_cache_{read,write} controls to debugfs
NFSD: Do the grace period check in ->proc_layoutget
nfsd: delete unnecessary NULL check in __fh_verify()
NFSD: Allow layoutcommit during grace period
NFSD: Disallow layoutget during grace period
sunrpc: fix "occurence"->"occurrence"
nfsd: Don't force CRYPTO_LIB_SHA256 to be built-in
nfsd: nfserr_jukebox in nlm_fopen should lead to a retry
NFSD: Reduce DRC bucket size
NFSD: Delay adding new entries to LRU
SUNRPC: Move the svc_rpcb_cleanup() call sites
NFS: Remove rpcbind cleanup for NFSv4.0 callback
nfsd: unregister with rpcbind when deleting a transport
NFSD: Drop redundant conversion to bool
sunrpc: eliminate return pointer in svc_tcp_sendmsg()
sunrpc: fix pr_notice in svc_tcp_sendto() to show correct length
nfsd: decouple the xprtsec policy check from check_nfsd_access()
NFSD: Fix destination buffer size in nfsd4_ssc_setup_dul()
...
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Pull x86 kvm updates from Paolo Bonzini:
"Generic:
- Rework almost all of KVM's exports to expose symbols only to KVM's
x86 vendor modules (kvm-{amd,intel}.ko and PPC's kvm-{pr,hv}.ko
x86:
- Rework almost all of KVM x86's exports to expose symbols only to
KVM's vendor modules, i.e. to kvm-{amd,intel}.ko
- Add support for virtualizing Control-flow Enforcement Technology
(CET) on Intel (Shadow Stacks and Indirect Branch Tracking) and AMD
(Shadow Stacks).
It is worth noting that while SHSTK and IBT can be enabled
separately in CPUID, it is not really possible to virtualize them
separately. Therefore, Intel processors will really allow both
SHSTK and IBT under the hood if either is made visible in the
guest's CPUID. The alternative would be to intercept
XSAVES/XRSTORS, which is not feasible for performance reasons
- Fix a variety of fuzzing WARNs all caused by checking L1 intercepts
when completing userspace I/O. KVM has already committed to
allowing L2 to to perform I/O at that point
- Emulate PERF_CNTR_GLOBAL_STATUS_SET for PerfMonV2 guests, as the
MSR is supposed to exist for v2 PMUs
- Allow Centaur CPU leaves (base 0xC000_0000) for Zhaoxin CPUs
- Add support for the immediate forms of RDMSR and WRMSRNS, sans full
emulator support (KVM should never need to emulate the MSRs outside
of forced emulation and other contrived testing scenarios)
- Clean up the MSR APIs in preparation for CET and FRED
virtualization, as well as mediated vPMU support
- Clean up a pile of PMU code in anticipation of adding support for
mediated vPMUs
- Reject in-kernel IOAPIC/PIT for TDX VMs, as KVM can't obtain EOI
vmexits needed to faithfully emulate an I/O APIC for such guests
- Many cleanups and minor fixes
- Recover possible NX huge pages within the TDP MMU under read lock
to reduce guest jitter when restoring NX huge pages
- Return -EAGAIN during prefault if userspace concurrently
deletes/moves the relevant memslot, to fix an issue where
prefaulting could deadlock with the memslot update
x86 (AMD):
- Enable AVIC by default for Zen4+ if x2AVIC (and other prereqs) is
supported
- Require a minimum GHCB version of 2 when starting SEV-SNP guests
via KVM_SEV_INIT2 so that invalid GHCB versions result in immediate
errors instead of latent guest failures
- Add support for SEV-SNP's CipherText Hiding, an opt-in feature that
prevents unauthorized CPU accesses from reading the ciphertext of
SNP guest private memory, e.g. to attempt an offline attack. This
feature splits the shared SEV-ES/SEV-SNP ASID space into separate
ranges for SEV-ES and SEV-SNP guests, therefore a new module
parameter is needed to control the number of ASIDs that can be used
for VMs with CipherText Hiding vs. how many can be used to run
SEV-ES guests
- Add support for Secure TSC for SEV-SNP guests, which prevents the
untrusted host from tampering with the guest's TSC frequency, while
still allowing the the VMM to configure the guest's TSC frequency
prior to launch
- Validate the XCR0 provided by the guest (via the GHCB) to avoid
bugs resulting from bogus XCR0 values
- Save an SEV guest's policy if and only if LAUNCH_START fully
succeeds to avoid leaving behind stale state (thankfully not
consumed in KVM)
- Explicitly reject non-positive effective lengths during SNP's
LAUNCH_UPDATE instead of subtly relying on guest_memfd to deal with
them
- Reload the pre-VMRUN TSC_AUX on #VMEXIT for SEV-ES guests, not the
host's desired TSC_AUX, to fix a bug where KVM was keeping a
different vCPU's TSC_AUX in the host MSR until return to userspace
KVM (Intel):
- Preparation for FRED support
- Don't retry in TDX's anti-zero-step mitigation if the target
memslot is invalid, i.e. is being deleted or moved, to fix a
deadlock scenario similar to the aforementioned prefaulting case
- Misc bugfixes and minor cleanups"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (142 commits)
KVM: x86: Export KVM-internal symbols for sub-modules only
KVM: x86: Drop pointless exports of kvm_arch_xxx() hooks
KVM: x86: Move kvm_intr_is_single_vcpu() to lapic.c
KVM: Export KVM-internal symbols for sub-modules only
KVM: s390/vfio-ap: Use kvm_is_gpa_in_memslot() instead of open coded equivalent
KVM: VMX: Make CR4.CET a guest owned bit
KVM: selftests: Verify MSRs are (not) in save/restore list when (un)supported
KVM: selftests: Add coverage for KVM-defined registers in MSRs test
KVM: selftests: Add KVM_{G,S}ET_ONE_REG coverage to MSRs test
KVM: selftests: Extend MSRs test to validate vCPUs without supported features
KVM: selftests: Add support for MSR_IA32_{S,U}_CET to MSRs test
KVM: selftests: Add an MSR test to exercise guest/host and read/write
KVM: x86: Define AMD's #HV, #VC, and #SX exception vectors
KVM: x86: Define Control Protection Exception (#CP) vector
KVM: x86: Add human friendly formatting for #XM, and #VE
KVM: SVM: Enable shadow stack virtualization for SVM
KVM: SEV: Synchronize MSR_IA32_XSS from the GHCB when it's valid
KVM: SVM: Pass through shadow stack MSRs as appropriate
KVM: SVM: Update dump_vmcb with shadow stack save area additions
KVM: nSVM: Save/load CET Shadow Stack state to/from vmcb12/vmcb02
...
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git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch updates from Huacai Chen:
- Initialize acpi_gbl_use_global_lock to false
- Allow specify SIMD width via kernel parameters
- Add kexec_file (both EFI & ELF format) support
- Add PER_VMA_LOCK for page fault handling support
- Improve BPF trampoline support
- Update the default config file
- Some bug fixes and other small changes
* tag 'loongarch-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: (23 commits)
LoongArch: Update Loongson-3 default config file
LoongArch: BPF: Sign-extend struct ops return values properly
LoongArch: BPF: Make error handling robust in arch_prepare_bpf_trampoline()
LoongArch: BPF: Make trampoline size stable
LoongArch: BPF: Don't align trampoline size
LoongArch: BPF: No support of struct argument in trampoline programs
LoongArch: BPF: No text_poke() for kernel text
LoongArch: BPF: Remove duplicated bpf_flush_icache()
LoongArch: BPF: Remove duplicated flags check
LoongArch: BPF: Fix uninitialized symbol 'retval_off'
LoongArch: BPF: Optimize sign-extention mov instructions
LoongArch: Handle new atomic instructions for probes
LoongArch: Try VMA lock-based page fault handling first
LoongArch: Automatically disable kaslr if boot from kexec_file
LoongArch: Add crash dump support for kexec_file
LoongArch: Add ELF binary support for kexec_file
LoongArch: Add EFI binary support for kexec_file
LoongArch: Add preparatory infrastructure for kexec_file
LoongArch: Add struct loongarch_image_header for kernel
LoongArch: Allow specify SIMD width via kernel parameters
...
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git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux
Pull uml updates from Johannes Berg:
- minor preparations for SMP support
- SPARSE_IRQ support for kunit
- help output cleanups
* tag 'uml-for-linux-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux:
um: Remove unused ipi_pipe field from cpuinfo_um
um: Remove unused cpu_data and current_cpu_data macros
um: Stop tracking virtual CPUs via mm_cpumask()
um: Centralize stub size calculations
um: Remove outdated comment about STUB_DATA_PAGES
um: Remove unused offset and child_err fields from stub_data
um: Indent time-travel help messages
um: Fix help message for ssl-non-raw
um: vector: Fix indentation for help message
um: Add missing trailing newline to help messages
um: virtio-pci: implement .shutdown()
um: Support SPARSE_IRQ
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm updates from Ira Weiny:
"Primarily bug fixes. Dave introduced the usage of cleanup.h a bit late
in the cycle to help with the new label work required within CXL [1]
nvdimm:
- Return -ENOMEM if devm_kcalloc() fails in ndtest_probe()
- Clean up __nd_ioctl() and remove gotos
- Remove duplicate linux/slab.h header
- Introduce guard() for nvdimm_bus_lock
- Use str_plural() to simplify the code
ACPI:
- NFIT: Fix incorrect ndr_desc being reportedin dev_err message"
Link: https://lore.kernel.org/all/20250917134116.1623730-1-s.neeraj@samsung.com/ [1]
* tag 'libnvdimm-for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nvdimm: Remove duplicate linux/slab.h header
nvdimm: ndtest: Return -ENOMEM if devm_kcalloc() fails in ndtest_probe()
nvdimm: Clean up __nd_ioctl() and remove gotos
nvdimm: Introduce guard() for nvdimm_bus_lock
ACPI: NFIT: Fix incorrect ndr_desc being reportedin dev_err message
nvdimm: Use str_plural() to simplify the code
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git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
- renesas,wdt: Add support for RZ/T2H and RZ/N2H
- Add SMARC-sAM67 support
- Several small fixes and improvements
* tag 'linux-watchdog-6.18-rc1' of git://www.linux-watchdog.org/linux-watchdog:
watchdog/hpwdt New maintianer
dt-bindings: watchdog: add SMARC-sAM67 support
watchdog: mpc8xxx_wdt: Reload the watchdog timer when enabling the watchdog
watchdog: visconti: don't print superfluous errors
watchdog: rzv2h_wdt: don't print superfluous errors
watchdog: rzg2l_wdt: don't print superfluous errors
watchdog: s3c2410_wdt: exynosautov9: Enable supported features
watchdog: s3c2410_wdt: exynosautov920: Enable QUIRK_HAS_32BIT_CNT
watchdog: s3c2410_wdt: Increase max timeout value of watchdog
watchdog: s3c2410_wdt: Fix max_timeout being calculated larger
watchdog: s3c2410_wdt: Replace hardcoded values with macro definitions
watchdog: rzv2h: Improve error strings and add newlines
watchdog: rzv2h: Add support for RZ/T2H
watchdog: rzv2h: Add support for configurable count clock source
watchdog: rzv2h: Make "oscclk" and reset controller optional
watchdog: rzv2h: Obtain clock-divider and timeout values from OF match data
dt-bindings: watchdog: renesas,wdt: Add support for RZ/T2H and RZ/N2H
watchdog: intel_oc_wdt: Do not try to write into const memory
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git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull pci updates from Bjorn Helgaas:
"Enumeration:
- Add PCI_FIND_NEXT_CAP() and PCI_FIND_NEXT_EXT_CAP() macros that
take config space accessor functions.
Implement pci_find_capability(), pci_find_ext_capability(), and
dwc, dwc endpoint, and cadence capability search interfaces with
them (Hans Zhang)
- Leave parent unit address 0 in 'interrupt-map' so that when we
build devicetree nodes to describe PCI functions that contain
multiple peripherals, we can build this property even when
interrupt controllers lack 'reg' properties (Lorenzo Pieralisi)
- Add a Xeon 6 quirk to disable Extended Tags and limit Max Read
Request Size to 128B to avoid a performance issue (Ilpo Järvinen)
- Add sysfs 'serial_number' file to expose the Device Serial Number
(Matthew Wood)
- Fix pci_acpi_preserve_config() memory leak (Nirmoy Das)
Resource management:
- Align m68k pcibios_enable_device() with other arches (Ilpo
Järvinen)
- Remove sparc pcibios_enable_device() implementations that don't do
anything beyond what pci_enable_resources() does (Ilpo Järvinen)
- Remove mips pcibios_enable_resources() and use
pci_enable_resources() instead (Ilpo Järvinen)
- Clean up bridge window sizing and assignment (Ilpo Järvinen),
including:
- Leave non-claimed bridge windows disabled
- Enable bridges even if a window wasn't assigned because not all
windows are required by downstream devices
- Preserve bridge window type when releasing the resource, since
the type is needed for reassignment
- Consolidate selection of bridge windows into two new
interfaces, pbus_select_window() and
pbus_select_window_for_type(), so this is done consistently
- Compute bridge window start and end earlier to avoid logging
stale information
MSI:
- Add quirk to disable MSI on RDC PCI to PCIe bridges (Marcos Del Sol
Vives)
Error handling:
- Align AER with EEH by allowing drivers to request a Bus Reset on
Non-Fatal Errors (in addition to the reset on Fatal Errors that we
already do) (Lukas Wunner)
- If error recovery fails, emit FAILED_RECOVERY uevents for the
devices, not for the bridge leading to them.
This makes them correspond to BEGIN_RECOVERY uevents (Lukas Wunner)
- Align AER with EEH by calling err_handler.error_detected()
callbacks to notify drivers if error recovery fails (Lukas Wunner)
- Align AER with EEH by restoring device error_state to
pci_channel_io_normal before the err_handler.slot_reset() callback.
This is earlier than before the err_handler.resume() callback
(Lukas Wunner)
- Emit a BEGIN_RECOVERY uevent when driver's
err_handler.error_detected() requests a reset, as well as when it
says recovery is complete or can be done without a reset (Niklas
Schnelle)
- Align s390 with AER and EEH by emitting uevents during error
recovery (Niklas Schnelle)
- Align EEH with AER and s390 by emitting BEGIN_RECOVERY,
SUCCESSFUL_RECOVERY, or FAILED_RECOVERY uevents depending on the
result of err_handler.error_detected() (Niklas Schnelle)
- Fix a NULL pointer dereference in aer_ratelimit() when ACPI GHES
error information identifies a device without an AER Capability
(Breno Leitao)
- Update error decoding and TLP Log printing for new errors in
current PCIe base spec (Lukas Wunner)
- Update error recovery documentation to match the current code
and use consistent nomenclature (Lukas Wunner)
ASPM:
- Enable all ClockPM and ASPM states for devicetree platforms, since
there's typically no firmware that enables ASPM
This is a risky change that may uncover hardware or configuration
defects at boot-time rather than when users enable ASPM via sysfs
later. Booting with "pcie_aspm=off" prevents this enabling
(Manivannan Sadhasivam)
- Remove the qcom code that enabled ASPM (Manivannan Sadhasivam)
Power management:
- If a device has already been disconnected, e.g., by a hotplug
removal, don't bother trying to resume it to D0 when detaching the
driver.
This avoids annoying "Unable to change power state from D3cold to
D0" messages (Mario Limonciello)
- Ensure devices are powered up before config reads for
'max_link_width', 'current_link_speed', 'current_link_width',
'secondary_bus_number', and 'subordinate_bus_number' sysfs files.
This prevents using invalid data (~0) in drivers or lspci and,
depending on how the PCIe controller reports errors, may avoid
error interrupts or crashes (Brian Norris)
Virtualization:
- Add rescan/remove locking when enabling/disabling SR-IOV, which
avoids list corruption on s390, where disabling SR-IOV also
generates hotplug events (Niklas Schnelle)
Peer-to-peer DMA:
- Free struct p2p_pgmap, not a member within it, in the
pci_p2pdma_add_resource() error path (Sungho Kim)
Endpoint framework:
- Document sysfs interface for BAR assignment of vNTB endpoint
functions (Jerome Brunet)
- Fix array underflow in endpoint BAR test case (Dan Carpenter)
- Skip endpoint IRQ test if the IRQ is out of range to avoid false
errors (Christian Bruel)
- Fix endpoint test case for controllers with fixed-size BARs smaller
than requested by the test (Marek Vasut)
- Restore inbound translation when disabling doorbell so the endpoint
doorbell test case can be run more than once (Niklas Cassel)
- Avoid a NULL pointer dereference when releasing DMA channels in
endpoint DMA test case (Shin'ichiro Kawasaki)
- Convert tegra194 interrupt number to MSI vector to fix endpoint
Kselftest MSI_TEST test case (Niklas Cassel)
- Reset tegra194 BARs when running in endpoint mode so the BAR tests
don't overwrite the ATU settings in BAR4 (Niklas Cassel)
- Handle errors in tegra194 BPMP transactions so we don't mistakenly
skip future PERST# assertion (Vidya Sagar)
AMD MDB PCIe controller driver:
- Update DT binding example to separate PERST# to a Root Port stanza
to make multiple Root Ports possible in the future (Sai Krishna
Musham)
- Add driver support for PERST# being described in a Root Port
stanza, falling back to the host bridge if not found there (Sai
Krishna Musham)
Freescale i.MX6 PCIe controller driver:
- Enable the 3.3V Vaux supply if available so devices can request
wakeup with either Beacon or WAKE# (Richard Zhu)
MediaTek PCIe Gen3 controller driver:
- Add optional sys clock ready time setting to avoid sys_clk_rdy
signal glitching in MT6991 and MT8196 (AngeloGioacchino Del Regno)
- Add DT binding and driver support for MT6991 and MT8196
(AngeloGioacchino Del Regno)
NVIDIA Tegra PCIe controller driver:
- When asserting PERST#, disable the controller instead of mistakenly
disabling the PLL twice (Nagarjuna Kristam)
- Convert struct tegra_msi mask_lock to raw spinlock to avoid a lock
nesting error (Marek Vasut)
Qualcomm PCIe controller driver:
- Select PCI Power Control Slot driver so slot voltage rails can be
turned on/off if described in Root Port devicetree node (Qiang Yu)
- Parse only PCI bridge child nodes in devicetree, skipping unrelated
nodes such as OPP (Operating Performance Points), which caused
probe failures (Krishna Chaitanya Chundru)
- Add 8.0 GT/s and 32.0 GT/s equalization settings (Ziyue Zhang)
- Consolidate Root Port 'phy' and 'reset' properties in struct
qcom_pcie_port, regardless of whether we got them from the Root
Port node or the host bridge node (Manivannan Sadhasivam)
- Fetch and map the ELBI register space in the DWC core rather than
in each driver individually (Krishna Chaitanya Chundru)
- Enable ECAM mechanism in DWC core by setting up iATU with 'CFG
Shift Feature' and use this in the qcom driver (Krishna Chaitanya
Chundru)
- Add SM8750 compatible to qcom,pcie-sm8550.yaml (Krishna Chaitanya
Chundru)
- Update qcom,pcie-x1e80100.yaml to allow fifth PCIe host on Qualcomm
Glymur, which is compatible with X1E80100 but doesn't have the
cnoc_sf_axi clock (Qiang Yu)
Renesas R-Car PCIe controller driver:
- Fix a typo that prevented correct PHY initialization (Marek Vasut)
- Add a missing 1ms delay after PWR reset assertion as required by
the V4H manual (Marek Vasut)
- Assure reset has completed before DBI access to avoid SError (Marek
Vasut)
- Fix inverted PHY initialization check, which sometimes led to
timeouts and failure to start the controller (Marek Vasut)
- Pass the correct IRQ domain to generic_handle_domain_irq() to fix a
regression when converting to msi_create_parent_irq_domain()
(Claudiu Beznea)
- Drop the spinlock protecting the PMSR register - it's no longer
required since pci_lock already serializes accesses (Marek Vasut)
- Convert struct rcar_msi mask_lock to raw spinlock to avoid a lock
nesting error (Marek Vasut)
SOPHGO PCIe controller driver:
- Check for existence of struct cdns_pcie.ops before using it to
allow Cadence drivers that don't need to supply ops (Chen Wang)
- Add DT binding and driver for the SOPHGO SG2042 PCIe controller
(Chen Wang)
STMicroelectronics STM32MP25 PCIe controller driver:
- Update pinctrl documentation of initial states and use in runtime
suspend/resume (Christian Bruel)
- Add pinctrl_pm_select_init_state() for use by stm32 driver, which
needs it during resume (Christian Bruel)
- Add devicetree bindings and drivers for the STMicroelectronics
STM32MP25 in host and endpoint modes (Christian Bruel)
Synopsys DesignWare PCIe controller driver:
- Add support for x16 in devicetree 'num-lanes' property (Konrad
Dybcio)
- Verify that if DT specifies a single IRQ for all eDMA channels, it
is named 'dma' (Niklas Cassel)
TI J721E PCIe driver:
- Add MODULE_DEVICE_TABLE() so driver can be autoloaded (Siddharth
Vadapalli)
- Power controller off before configuring the glue layer so the
controller latches the correct values on power-on (Siddharth
Vadapalli)
TI Keystone PCIe controller driver:
- Use devm_request_irq() so 'ks-pcie-error-irq' is freed when driver
exits with error (Siddharth Vadapalli)
- Add Peripheral Virtualization Unit (PVU), which restricts DMA from
PCIe devices to specific regions of host memory, to the ti,am65
binding (Jan Kiszka)
Xilinx NWL PCIe controller driver:
- Clear bootloader E_ECAM_CONTROL before merging in the new driver
value to avoid writing invalid values (Jani Nurminen)"
* tag 'pci-v6.18-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (141 commits)
PCI/AER: Avoid NULL pointer dereference in aer_ratelimit()
MAINTAINERS: Add entry for ST STM32MP25 PCIe drivers
PCI: stm32-ep: Add PCIe Endpoint support for STM32MP25
dt-bindings: PCI: Add STM32MP25 PCIe Endpoint bindings
PCI: stm32: Add PCIe host support for STM32MP25
PCI: xilinx-nwl: Fix ECAM programming
PCI: j721e: Fix incorrect error message in probe()
PCI: keystone: Use devm_request_irq() to free "ks-pcie-error-irq" on exit
dt-bindings: PCI: qcom,pcie-x1e80100: Set clocks minItems for the fifth Glymur PCIe Controller
PCI: dwc: Support 16-lane operation
PCI: Add lockdep assertion in pci_stop_and_remove_bus_device()
PCI/IOV: Add PCI rescan-remove locking when enabling/disabling SR-IOV
PCI: rcar-host: Convert struct rcar_msi mask_lock into raw spinlock
PCI: tegra194: Rename 'root_bus' to 'root_port_bus' in tegra_pcie_downstream_dev_to_D0()
PCI: tegra: Convert struct tegra_msi mask_lock into raw spinlock
PCI: rcar-gen4: Fix inverted break condition in PHY initialization
PCI: rcar-gen4: Assure reset occurs before DBI access
PCI: rcar-gen4: Add missing 1ms delay after PWR reset assertion
PCI: Set up bridge resources earlier
PCI: rcar-host: Drop PMSR spinlock
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul:
"A couple of new device support and small driver updates for this
round.
New support:
- Intel idxd Wildcat Lake family support
- SpacemiT K1 PDMA controller support
- Renesas RZ/G3E family support
Updates:
- Xilinx shutdown support and dma client properties update
- Designware edma callback_result support"
* tag 'dmaengine-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
dt-bindings: dma: rz-dmac: Document RZ/G3E family of SoCs
dmaengine: dw-edma: Set status for callback_result
dmaengine: mv_xor: match alloc_wc and free_wc
dmaengine: mmp_pdma: Add SpacemiT K1 PDMA support with 64-bit addressing
dmaengine: mmp_pdma: Add operations structure for controller abstraction
dmaengine: mmp_pdma: Add reset controller support
dmaengine: mmp_pdma: Add clock support
dt-bindings: dma: Add SpacemiT K1 PDMA controller
dt-bindings: dmaengine: xilinx_dma: Remove DMA client properties
dmaengine: Fix dma_async_tx_descriptor->tx_submit documentation
dmaengine: xilinx_dma: Support descriptor setup from dma_vecs
dmaengine: sh: setup_xref error handling
dmaengine: Replace zero-length array with flexible-array
dmaengine: ppc4xx: Remove space before newline
dmaengine: idxd: Add a new IAA device ID for Wildcat Lake family platforms
dmaengine: idxd: Replace memset(0) + strscpy() with strscpy_pad()
dt-bindings: dma: nvidia,tegra20-apbdma: Add undocumented compatibles and "clock-names"
dmaengine: zynqmp_dma: Add shutdown operation support
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git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy updates from Vinod Koul:
"The usual bunch of device support and update to drivers.
New Support
- Qualcomm SM8750 QMP PCIe PHY dual lane support, PMIV0104 eusb2
repeater support, QCS8300 eDP PHY support
- Renesas RZ/T2H and RZ/N2H support and updates to driver for that
- TI TCAN1051 phy support
- Rockchip rk3588 dphy support, RK3528 combphy support
Updates:
- cadence updates for calibration and polling for ready and enabling
of lower resolutions, runtime pm support,
- Rockchip: enable U3 otg port
- Renesas USXGMII mode support
- Qualcomm UFS PHY and PLL regulator load support"
* tag 'phy-for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (64 commits)
phy: rockchip: phy-rockchip-inno-csidphy: add support for rk3588 variant
phy: rockchip: phy-rockchip-inno-csidphy: allow for different reset lines
phy: rockchip: phy-rockchip-inno-csidphy: allow writes to grf register 0
dt-bindings: phy: rockchip-inno-csi-dphy: add rk3588 variant
dt-bindings: phy: rockchip-inno-csi-dphy: make power-domains non-required
phy: cadence: cdns-dphy: Enable lower resolutions in dphy
phy: renesas: r8a779f0-ether-serdes: add new step added to latest datasheet
phy: renesas: r8a779f0-ether-serdes: add USXGMII mode
phy: sophgo: Add USB 2.0 PHY driver for Sophgo CV18XX/SG200X
dt-bindings: phy: Add Sophgo CV1800 USB phy
phy: cadence: cdns-dphy: Update calibration wait time for startup state machine
phy: cadence: cdns-dphy: Fix PLL lock and O_CMN_READY polling
phy: renesas: rcar-gen3-usb2: Fix ID check logic with VBUS valid
dt-bindings: phy: ti,tcan104x-can: Document TI TCAN1051
phy: lynx-28g: check return value when calling lynx_28g_pll_get
phy: qcom: m31-eusb2: Fix the error log while enabling clock
phy: rockchip: usbdp: Remove redundant ternary operators
phy: renesas: rcar-gen3-usb2: Remove redundant ternary operators
phy: hisilicon: Remove redundant ternary operators
phy: qcom-qmp-ufs: Add PHY and PLL regulator load
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire
Pull soundwire updates from Vinod Koul:
"A very small update this time
- add few registers to debugfs
- core: drop dev_pm_domain_detach() call and use min() to improve
code"
* tag 'soundwire-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: Use min() to improve code
soundwire: bus: Drop dev_pm_domain_detach() call
soundwire: debugfs: add SCP_SDCA_IntStatX and SCP_SDCA_IntMaskX registers
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git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs
Pull zonefs update from Damien Le Moal:
- Some comment spelling fixes (Xichao)
* tag 'zonefs-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs:
zonefs: correct some spelling mistakes
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git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata updates from Damien Le Moal:
- Improve the DT bindings documentation for the highbanck, imx and
xgene-ahci controllers (Krzysztof, Fabio, Rob)
* tag 'ata-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
dt-bindings: ata: apm,xgene-ahci: Add apm,xgene-ahci-v2 support
dt-bindings: ata: imx: Document 'target-supply'
dt-bindings: ata: highbank: Minor whitespace cleanup in example
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull more MM updates from Andrew Morton:
"Only two patch series in this pull request:
- "mm/memory_hotplug: fixup crash during uevent handling" from Hannes
Reinecke fixes a race that was causing udev to trigger a crash in
the memory hotplug code
- "mm_slot: following fixup for usage of mm_slot_entry()" from Wei
Yang adds some touchups to the just-merged mm_slot changes"
* tag 'mm-stable-2025-10-03-16-49' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mm/khugepaged: use KMEM_CACHE()
mm/ksm: cleanup mm_slot_entry() invocation
Documentation/mm: drop pxx_mkdevmap() descriptions from page table helpers
mm: clean up is_guard_pte_marker()
drivers/base: move memory_block_add_nid() into the caller
mm/memory_hotplug: activate node before adding new memory blocks
drivers/base/memory: add node id parameter to add_memory_block()
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git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI updates from Ard Biesheuvel:
- Document what OVMF stands for (Open Virtual Machine Firmware)
- Clear NX restrictions also from 'more reliable' type memory when
using the DXE service API
* tag 'efi-next-for-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
efi/x86: Memory protection on EfiGcdMemoryTypeMoreReliable
efi: Explain OVMF acronym in OVMF_DEBUG_LOG help text
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git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
Pull integrity updates from Mimi Zohar:
"Just a couple of changes: crypto code cleanup and a IMA xattr bug fix"
* tag 'integrity-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity:
ima: don't clear IMA_DIGSIG flag when setting or removing non-IMA xattr
lib/digsig: Use SHA-1 library instead of crypto_shash
integrity: Select CRYPTO from INTEGRITY_ASYMMETRIC_KEYS
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Thomas Bogendoerfer:
- switch longson32 platform to DT and use MIPS_GENERIC framework
- cleanups/fixes for lantiq DTs
- other cleanups and fixes
* tag 'mips_6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (30 commits)
mips: math-emu: replace deprecated strcpy() in me-debugfs
MIPS: configs: Consolidate Loongson1 defconfigs
MIPS: Unify Loongson1 PRID_REV
MIPS: loongson32: Switch to generic core
MIPS: loongson: Add built-in DTB support
MIPS: dts: loongson: Add CQ-T300B board
MIPS: dts: loongson: Add Smartloong-1C board
MIPS: dts: loongson: Add LSGZ_1B_DEV board
MIPS: dts: loongson: Add LS1B-DEMO board
dt-bindings: mips: loongson: Add LS1B-DEMO and CQ-T300B
mips: lantiq: danube: rename stp node on EASY50712 reference board
mips: lantiq: xway: sysctrl: rename stp clock
MIPS: RB532: Replace deprecated strcpy() with memcpy() and strscpy()
MIPS: Loongson64: Replace deprecated strcpy() with strscpy_pad()
MIPS: generic: Replace deprecated strcpy() in ocelot_detect()
MIPS: octeon: Replace deprecated strcpy() in octeon_model_get_string_buffer()
MIPS: octeon: Replace memset(0) + deprecated strcpy() with strscpy_pad()
MIPS: arc: Replace deprecated strcpy() with memcpy()
MIPS: txx9: Replace deprecated strcpy() with strscpy()
MIPS: sni: Replace deprecated strcpy() in sni_console_setup()
...
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Pull OpenRISC updates from Stafford Horne:
"I picked up one series from Chen Miao, our Google Summer of Code
contributor, which adds OpenRISC support for static keys"
* tag 'for-linus' of https://github.com/openrisc/linux:
openrisc: Add jump label support
openrisc: Regenerate defconfigs.
openrisc: Add R_OR1K_32_PCREL relocation type module support
openrisc: Add text patching API support
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing updates from Steven Rostedt:
- Use READ_ONCE() and WRITE_ONCE() instead of RCU for syscall
tracepoints
Individual system call trace events are pseudo events attached to the
raw_syscall trace events that just trace the entry and exit of all
system calls. When any of these individual system call trace events
get enabled, an element in an array indexed by the system call number
is assigned to the trace file that defines how to trace it. When the
trace event triggers, it reads this array and if the array has an
element, it uses that trace file to know what to write it (the trace
file defines the output format of the corresponding system call).
The issue is that it uses rcu_dereference_ptr() and marks the
elements of the array as using RCU. This is incorrect. There is no
RCU synchronization here. The event file that is pointed to has a
completely different way to make sure its freed properly. The reading
of the array during the system call trace event is only to know if
there is a value or not. If not, it does nothing (it means this
system call isn't being traced). If it does, it uses the information
to store the system call data.
The RCU usage here can simply be replaced by READ_ONCE() and
WRITE_ONCE() macros.
- Have the system call trace events use "0x" for hex values
Some system call trace events display hex values but do not have "0x"
in front of it. Seeing "count: 44" can be assumed that it is 44
decimal when in actuality it is 44 hex (68 decimal). Display "0x44"
instead.
- Use vmalloc_array() in tracing_map_sort_entries()
The function tracing_map_sort_entries() used array_size() and
vmalloc() when it could have simply used vmalloc_array().
- Use for_each_online_cpu() in trace_osnoise.c()
Instead of open coding for_each_cpu(cpu, cpu_online_mask), use
for_each_online_cpu().
- Move the buffer field in struct trace_seq to the end
The buffer field in struct trace_seq is architecture dependent in
size, and caused padding for the fields after it. By moving the
buffer to the end of the structure, it compacts the trace_seq
structure better.
- Remove redundant zeroing of cmdline_idx field in
saved_cmdlines_buffer()
The structure that contains cmdline_idx is zeroed by memset(), no
need to explicitly zero any of its fields after that.
- Use system_percpu_wq instead of system_wq in user_event_mm_remove()
As system_wq is being deprecated, use the new wq.
- Add cond_resched() is ftrace_module_enable()
Some modules have a lot of functions (thousands of them), and the
enabling of those functions can take some time. On non preemtable
kernels, it was triggering a watchdog timeout. Add a cond_resched()
to prevent that.
- Add a BUILD_BUG_ON() to make sure PID_MAX_DEFAULT is always a power
of 2
There's code that depends on PID_MAX_DEFAULT being a power of 2 or it
will break. If in the future that changes, make sure the build fails
to ensure that the code is fixed that depends on this.
- Grab mutex_lock() before ever exiting s_start()
The s_start() function is a seq_file start routine. As s_stop() is
always called even if s_start() fails, and s_stop() expects the
event_mutex to be held as it will always release it. That mutex must
always be taken in s_start() even if that function fails.
* tag 'trace-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: Fix lock imbalance in s_start() memory allocation failure path
tracing: Ensure optimized hashing works
ftrace: Fix softlockup in ftrace_module_enable
tracing: replace use of system_wq with system_percpu_wq
tracing: Remove redundant 0 value initialization
tracing: Move buffer in trace_seq to end of struct
tracing/osnoise: Use for_each_online_cpu() instead of for_each_cpu()
tracing: Use vmalloc_array() to improve code
tracing: Have syscall trace events show "0x" for values greater than 10
tracing: Replace syscall RCU pointer assignment with READ/WRITE_ONCE()
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing tools updates from Steven Rostedt
- This is mostly just consolidating code between osnoise/timerlat and
top/hist for easier maintenance and less future divergence
* tag 'trace-tools-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tools/rtla: Add remaining support for osnoise actions
tools/rtla: Add test engine support for unexpected output
tools/rtla: Fix -A option name in test comment
tools/rtla: Consolidate code between osnoise/timerlat and hist/top
tools/rtla: Create common_apply_config()
tools/rtla: Move top/hist params into common struct
tools/rtla: Consolidate common parameters into shared structure
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git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probe fix from Masami Hiramatsu:
- Fix race condition in kprobe initialization causing NULL pointer
dereference. This happens on weak memory model, which does not
correctly manage the flags access with appropriate memory barriers.
Use RELEASE-ACQUIRE to fix it.
* tag 'probes-fixes-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: Fix race condition in kprobe initialization causing NULL pointer dereference
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1. Increase NR_CPUS to 2048.
2. Enable KEXEC_FILE options.
3. Enable some EXT4/XFS options.
4. Enable Loongson PWM/MMC/BMC/SE drivers.
5. Enable simple DRM driver.
6. Enable some Intel ethernet drivers.
7. Enable some gpio drivers.
8. Enable some network options.
9. Enable SM3/SM4 cryptographic algorithms.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull Char/Misc/IIO/Binder updates from Greg KH:
"Here is the big set of char/misc/iio and other driver subsystem
changes for 6.18-rc1.
Loads of different stuff in here, it was a busy development cycle in
lots of different subsystems, with over 27k new lines added to the
tree.
Included in here are:
- IIO updates including new drivers, reworking of existing apis, and
other goodness in the sensor subsystems
- MEI driver updates and additions
- NVMEM driver updates
- slimbus removal for an unused driver and some other minor updates
- coresight driver updates and additions
- MHI driver updates
- comedi driver updates and fixes
- extcon driver updates
- interconnect driver additions
- eeprom driver updates and fixes
- minor UIO driver updates
- tiny W1 driver updates
But the majority of new code is in the rust bindings and additions,
which includes:
- misc driver rust binding updates for read/write support, we can now
write "normal" misc drivers in rust fully, and the sample driver
shows how this can be done.
- Initial framework for USB driver rust bindings, which are disabled
for now in the build, due to limited support, but coming in through
this tree due to dependencies on other rust binding changes that
were in here. I'll be enabling these back on in the build in the
usb.git tree after -rc1 is out so that developers can continue to
work on these in linux-next over the next development cycle.
- Android Binder driver implemented in Rust.
This is the big one, and was driving a huge majority of the rust
binding work over the past years. Right now there are two binder
drivers in the kernel, selected only at build time as to which one
to use as binder wants to be included in the system at boot time.
The binder C maintainers all agreed on this, as eventually, they
want the C code to be removed from the tree, but it will take a few
releases to get there while both are maintained to ensure that the
rust implementation is fully stable and compliant with the existing
userspace apis.
All of these have been in linux-next for a while"
* tag 'char-misc-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (320 commits)
rust: usb: keep usb::Device private for now
rust: usb: don't retain device context for the interface parent
USB: disable rust bindings from the build for now
samples: rust: add a USB driver sample
rust: usb: add basic USB abstractions
coresight: Add label sysfs node support
dt-bindings: arm: Add label in the coresight components
coresight: tnoc: add new AMBA ID to support Trace Noc V2
coresight: Fix incorrect handling for return value of devm_kzalloc
coresight: tpda: fix the logic to setup the element size
coresight: trbe: Return NULL pointer for allocation failures
coresight: Refactor runtime PM
coresight: Make clock sequence consistent
coresight: Refactor driver data allocation
coresight: Consolidate clock enabling
coresight: Avoid enable programming clock duplicately
coresight: Appropriately disable trace bus clocks
coresight: Appropriately disable programming clocks
coresight: etm4x: Support atclk
coresight: catu: Support atclk
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here is the 'big' set of staging driver changes for 6.18-rc1. Nothing
really exciting in here they pretty much consist of:
- minor coding style changes and cleanups
- some api layer removals where not needed
Overall a quiet development cycle.
All have been in linux-next for a while with no reported issues"
* tag 'staging-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (63 commits)
staging: rtl8723bs: xmit: rephrase comment and drop extra space
staging: sm750fb: rename camel case variable
staging: rtl8723bs: hal: put return type and function name on one line
staging: rtl8723bs: fix typo in comment
staging: sm750fb: rename snake case variables
staging: sm750fb: remove unnecessary volatile qualifiers
staging: rtl8723bs: rtw_efuse.h: simplify copyright banner
staging: rtl8723bs: remove unused tables
staging: rtl8723bs: Hal_EfuseParseAntennaDiversity_8723B is empty
staging: rtl8723bs: remove REG_EFUSE_ACCESS_8723 and EFUSE_ACCESS_ON_8723
staging: rtl8723bs: remove bWrite from Hal_EfusePowerSwitch
staging: rtl8723bs: remove wrapper Efuse_PowerSwitch
staging: octeon: Clean up dead code in ethernet-tx.c
staging: rtl8723bs: fix fortify warnings by using struct_group
staging: gpib: use int type to store negative error codes
staging: rtl8723bs: remove include/recv_osdep.h
staging: rtl8723bs: remove os_dep/recv_linux.c
staging: rtl8723bs: rename rtw_os_recv_indicate_pkt
staging: rtl8723bs: move rtw_os_recv_indicate_pkt to rtw_recv.c
staging: rtl8723bs: rename rtw_os_alloc_msdu_pkt
...
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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 drivers for 6.18-rc1. It
was another normal development cycle, with lots of the usual drivers
getting updates:
- Thunderbolt driver cleanups and additions
- dwc3 driver updates
- dwc2 driver updates
- typec driver updates
- xhci driver updates and additions
- offload USB engine updates for better power management
- unused tracepoint removals
- usb gadget fixes and updates as more users start to rely on these
drivers instead of the "old" function gadget drivers
- new USB device ids
- other minor driver USB driver updates
- new USB I/O driver framework and driver additions"
The last item, the usb i/o driver, has an i2c and gpio driver added
through this tree. Those drivers were acked by the respective
subsystem maintainers.
All of these have been in linux-next for a while"
* tag 'usb-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (132 commits)
usb: vhci-hcd: Prevent suspending virtually attached devices
USB: serial: option: add SIMCom 8230C compositions
thunderbolt: Fix use-after-free in tb_dp_dprx_work
usb: xhci: align PORTSC trace with one-based port numbering
usb: xhci: correct indentation for PORTSC tracing function
usb: xhci: improve TR Dequeue Pointer mask
usb: xhci-pci: add support for hosts with zero USB3 ports
usb: xhci: Update a comment about Stop Endpoint retries
Revert "usb: xhci: Avoid Stop Endpoint retry loop if the endpoint seems Running"
usb: gadget: f_rndis: Refactor bind path to use __free()
usb: gadget: f_ecm: Refactor bind path to use __free()
usb: gadget: f_acm: Refactor bind path to use __free()
usb: gadget: f_ncm: Refactor bind path to use __free()
usb: gadget: Introduce free_usb_request helper
usb: gadget: Store endpoint pointer in usb_request
usb: host: xhci-rcar: Add Renesas RZ/G3E USB3 Host driver support
usb: host: xhci-plat: Add .post_resume_quirk for struct xhci_plat_priv
usb: host: xhci-rcar: Move R-Car reg definitions
dt-bindings: usb: Document Renesas RZ/G3E USB3HOST
usb: gadget: f_fs: Fix epfile null pointer access after ep enable.
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial updates from Greg KH:
"Here are some small updates for tty/serial drivers for 6.18-rc1.
Not many changes overall, just the usual:
- abi cleanups and reworking of the tty functions by Jiri by adding
console lock guard logic
- 8250_platform driver updates
- qcom-geni driver updates
- other minor serial driver updates
- some more vt escape codes added
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (43 commits)
tty: serial: fix help message for SERIAL_CPM
serial: 8250: omap: Support wakeup pinctrl state on suspend
dt-bindings: serial: 8250_omap: Add wakeup pinctrl state
serial: max310x: improve interrupt handling
vt: move vc_saved_screen to within tty allocated judgment
Revert "m68k: make HPDCA and HPAPCI bools"
tty: remove redundant condition checks
tty/vt: Add missing return value for VT_RESIZE in vt_ioctl()
vt: remove redundant check on vc_mode in con_font_set()
serial: qcom-geni: Add DFS clock mode support to GENI UART driver
m68k: make HPDCA and HPAPCI bools
tty: n_gsm: Don't block input queue by waiting MSC
serial: qcom-geni: Fix off-by-one error in ida_alloc_range()
serdev: Drop dev_pm_domain_detach() call
serial: sc16is7xx: drop redundant conversion to bool
vt: add support for smput/rmput escape codes
serial: stm32: allow selecting console when the driver is module
serial: 8250_core: fix coding style issue
tty: serial: Modify the use of dev_err_probe()
s390/char/con3270: use tty_port_tty guard()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
Pull MTD updates from Miquel Raynal:
"MTD core:
- Bad blocks increment is skipped if the block is already known bad
(improves user statistics relevance)
- Expose the OOB layout via debugfs
Raw NAND:
- Add support for Loongson-2K1000 and Loongson-2K0500 NAND
controllers, including extra features, such as chip select
and 6-byte NAND ID reading support
- Drop the s3c2410 driver
SPI NAND:
- Important SPI NAND continuous read improvements and fixes
- Add support for FudanMicro FM25S01A
- Add support for continuous reads in Gigadevice vendor driver
ECC:
- Add support for the Realtek ECC engine
SPI NOR:
- Some flashes can't perform reads or writes with start or end being
an odd number in Octal DTR mode. File systems like UBIFS can
request such reads or writes, causing the transaction to error out.
Pad the read or write transactions with extra bytes to avoid this
problem.
And the usual amount of various miscellaneous fixes"
* tag 'mtd/for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux: (46 commits)
mtd: rawnand: sunxi: drop unused module alias
mtd: rawnand: stm32_fmc2: drop unused module alias
mtd: rawnand: rockchip: drop unused module alias
mtd: rawnand: pl353: drop unused module alias
mtd: rawnand: omap2: drop unused module alias
mtd: rawnand: atmel: drop unused module alias
mtd: onenand: omap2: drop unused module alias
mtd: hyperbus: hbmc-am654: drop unused module alias
mtd: jedec_probe: use struct_size() helper for cfiq allocation
mtd: cfi: use struct_size() helper for cfiq allocation
mtd: nand: raw: gpmi: fix clocks when CONFIG_PM=N
mtd: rawnand: omap2: fix device leak on probe failure
mtd: rawnand: atmel: Fix error handling path in atmel_nand_controller_add_nands
mtd: nand: realtek-ecc: Add Realtek external ECC engine support
dt-bindings: mtd: Add realtek,rtl9301-ecc
mtd: spinand: repeat reading in regular mode if continuous reading fails
mtd: spinand: try a regular dirmap if creating a dirmap for continuous reading fails
mtd: spinand: fix direct mapping creation sizes
mtd: rawnand: fsmc: Default to autodetect buswidth
mtd: nand: move nand_check_erased_ecc_chunk() to nand/core
...
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git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull rpmsg updates from Bjorn Andersson:
- Clean up the dev_pm_domain integration in rpmsg core. Correct module
aliases for the rpmsg char driver.
- Transition Qualcomm SMD and GLINK drivers to strscpy() and fix the
regression in legacy code for acquiring outgoing interrupts using the
non-mailbox based mechanism.
* tag 'rpmsg-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux:
rpmsg: qcom_smd: Fix fallback to qcom,ipc parse
rpmsg: Use strscpy() instead of strscpy_pad()
rpmsg: core: Drop dev_pm_domain_detach() call
rpmsg: char: Export alias for RPMSG ID rpmsg-raw from table
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git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
Pull remoteproc updates from Bjorn Andersson:
- Enable coredump support for the i.MX HiFi core remoteproc, and clean
up the i.MX remoteproc driver.
- Introduce remoteprocs on the Qualcomm Milos platform. Gracefully shut
own the ADSP remoteproc when bootloader has loaded the "Lite"
firmware on X Elite. Improve the resource handover procedure to avoid
possibly duplicate handling.
- Transition the TI DA8xx, TI Keystone, and TI Wakeup M3 remoteproc
drivers to handle resources using devres.
* tag 'rproc-v6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux: (29 commits)
remoteproc: pru: Fix potential NULL pointer dereference in pru_rproc_set_ctable()
remoteproc: qcom: pas: Drop redundant assignment to ret
remoteproc: qcom: pas: Shutdown lite ADSP DTB on X1E
remoteproc: qcom: q6v5: Avoid handling handover twice
remoteproc: qcom: q6v5: Avoid disabling handover IRQ twice
remoteproc: qcom: pas: Add Milos remoteproc support
dt-bindings: remoteproc: qcom,milos-pas: Document remoteprocs
remoteproc: qcom_q6v5_mss: support loading MBN file on msm8974
remoteproc: imx_rproc: Clean up after ops introduction
remoteproc: imx_rproc: Simplify IMX_RPROC_SMC switch case
remoteproc: imx_rproc: Simplify IMX_RPROC_SCU_API switch case
remoteproc: imx_rproc: Simplify IMX_RPROC_MMIO switch case
remoteproc: imx_rproc: Move imx_rproc_dcfg closer to imx_rproc_of_match
remoteproc: imx_rproc: Introduce start/stop/detect_mode ops for imx_rproc_dcfg
remoteproc: k3: Correctly release some resources allocated in k3_rproc_request_mbox()
remoteproc: wkup_m3: Use devm_rproc_add() helper
remoteproc: wkup_m3: Use devm_rproc_alloc() helper
remoteproc: wkup_m3: Use devm action to call PM runtime put sync
remoteproc: wkup_m3: Use devm_pm_runtime_enable() helper
remoteproc: keystone: Use devm_rproc_add() helper
...
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Benjamin Tissoires:
- haptic touchpad support (Angela Czubak and Jonathan Denose)
- support for audio jack handling on DualSense Playstation controllers
(Cristian Ciocaltea)
- allow HID-BPF to rebind a driver to hid-multitouch (Benjamin
Tissoires)
- rework hidraw ioctls to make them safer (and tested) (Benjamin
Tissoires)
- various PIDFF and universal-PIDFF fixes/improvements (Tomasz Pakuła)
- better configuration of Intel QuickI2C through ACPI (Xinpeng Sun)
- other assorted cleanups and fixes
* tag 'hid-for-linus-2025093001' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (58 commits)
HID: playstation: Switch to scoped_guard() in {dualsense|dualshock4}_output_worker()
HID: playstation: Silence sparse warnings for locking context imbalances
HID: playstation: Update SP preamp gain comment line
HID: intel-thc-hid: intel-quicki2c: support ACPI config for advanced features
HID: core: Change hid_driver to use a const char* for name
HID: hidraw: tighten ioctl command parsing
selftests/hid: hidraw: forge wrong ioctls and tests them
selftests/hid: hidraw: add more coverage for hidraw ioctls
selftests/hid: update vmtest.sh for virtme-ng
HID: playstation: Support DualSense audio jack event reporting
HID: playstation: Support DualSense audio jack hotplug detection
HID: playstation: Redefine DualSense input report status field
HID: playstation: Prefer kzalloc(sizeof(*buf)...)
HID: playstation: Document spinlock_t usage
HID: playstation: Fix all alignment and line length issues
HID: playstation: Correct spelling in comment sections
HID: playstation: Replace uint{32,16,8}_t with u{32,16,8}
HID: playstation: Simplify locking with guard() and scoped_guard()
HID: playstation: Add spaces around arithmetic operators
HID: playstation: Make use of bitfield macros
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