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Currently, bpf_dispatcher_*_func() is marked with `__nocfi` therefore
calling BPF programs from this interface doesn't cause CFI warnings.
When BPF programs are called directly from C: from BPF helpers or
struct_ops, CFI warnings are generated.
Implement proper CFI prologues for the BPF programs and callbacks and
drop __nocfi for arm64. Fix the trampoline generation code to emit kCFI
prologue when a struct_ops trampoline is being prepared.
Signed-off-by: Puranjay Mohan <puranjay12@gmail.com>
Co-developed-by: Maxwell Bland <mbland@motorola.com>
Signed-off-by: Maxwell Bland <mbland@motorola.com>
Co-developed-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Tested-by: Dao Huang <huangdao1@oppo.com>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20250801001004.1859976-8-samitolvanen@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Instead of duplicating the same code for each architecture, move
the CFI type hash variables for BPF function types and related
helper functions to generic CFI code, and allow architectures to
override the function definitions if needed.
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Link: https://lore.kernel.org/r/20250801001004.1859976-7-samitolvanen@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Currently x86 and riscv open-code 4 instances of the same logic to
define a u32 variable with the KCFI typeid of a given function.
Replace the duplicate logic with a common macro.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Co-developed-by: Maxwell Bland <mbland@motorola.com>
Signed-off-by: Maxwell Bland <mbland@motorola.com>
Co-developed-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Tested-by: Dao Huang <huangdao1@oppo.com>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20250801001004.1859976-6-samitolvanen@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Pull bitmap updates from Yury Norov:
- find_random_bit() series (Yury)
- GENMASK() consolidation (Vincent)
- random cleanups (Shaopeng, Ben, Yury)
* tag 'bitmap-for-6.17' of https://github.com/norov/linux:
bitfield: Ensure the return values of helper functions are checked
test_bits: add tests for __GENMASK() and __GENMASK_ULL()
bits: unify the non-asm GENMASK*()
bits: split the definition of the asm and non-asm GENMASK*()
cpumask: Remove unnecessary cpumask_nth_andnot()
watchdog: fix opencoded cpumask_next_wrap() in watchdog_next_cpu()
clocksource: Improve randomness in clocksource_verify_choose_cpus()
cpumask: introduce cpumask_random()
bitmap: generalize node_random()
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There is a extraneous space before a newline in handful of ata_port_dbg
messages. Remove the spaces. Capitalize pio, udma, mdma.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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There is a extraneous space before a newline in a dev_dbg message.
Remove the space.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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There is a extraneous space before a newline in a ata_dev_dbg message.
Remove the space.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
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An infinite loop may occur if the following conditions occur due to
file system corruption.
(1) Condition for exfat_count_dir_entries() to loop infinitely.
- The cluster chain includes a loop.
- There is no UNUSED entry in the cluster chain.
(2) Condition for exfat_create_upcase_table() to loop infinitely.
- The cluster chain of the root directory includes a loop.
- There are no UNUSED entry and up-case table entry in the cluster
chain of the root directory.
(3) Condition for exfat_load_bitmap() to loop infinitely.
- The cluster chain of the root directory includes a loop.
- There are no UNUSED entry and bitmap entry in the cluster chain
of the root directory.
(4) Condition for exfat_find_dir_entry() to loop infinitely.
- The cluster chain includes a loop.
- The unused directory entries were exhausted by some operation.
(5) Condition for exfat_check_dir_empty() to loop infinitely.
- The cluster chain includes a loop.
- The unused directory entries were exhausted by some operation.
- All files and sub-directories under the directory are deleted.
This commit adds checks to break the above infinite loop.
Signed-off-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
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Test: androbench by default setting, use 64GB sdcard.
the random write speed:
without this patch 3.5MB/s
with this patch 7MB/s
After patch "11a347fb6cef", the random write speed decreased significantly.
the .write_iter() interface had been modified, and check the differences
with generic_file_write_iter(), when calling generic_write_sync() and
exfat_file_write_iter() to call vfs_fsync_range(), the fdatasync flag is
wrong, and make not use the fdatasync mode, and make random write speed
decreased. So use generic_write_sync() instead of vfs_fsync_range().
Fixes: 11a347fb6cef ("exfat: change to get file size from DataLength")
Signed-off-by: Zhengxu Zhang <zhengxu.zhang@unisoc.com>
Acked-by: Yuezhang Mo <Yuezhang.Mo@sony.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext
Pull sched_ext updates from Tejun Heo:
- Add support for cgroup "cpu.max" interface
- Code organization cleanup so that ext_idle.c doesn't depend on the
source-file-inclusion build method of sched/
- Drop UP paths in accordance with sched core changes
- Documentation and other misc changes
* tag 'sched_ext-for-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext:
sched_ext: Fix scx_bpf_reenqueue_local() reference
sched_ext: Drop kfuncs marked for removal in 6.15
sched_ext, rcu: Eject BPF scheduler on RCU CPU stall panic
kernel/sched/ext.c: fix typo "occured" -> "occurred" in comments
sched_ext: Add support for cgroup bandwidth control interface
sched_ext, sched/core: Factor out struct scx_task_group
sched_ext: Return NULL in llc_span
sched_ext: Always use SMP versions in kernel/sched/ext_idle.h
sched_ext: Always use SMP versions in kernel/sched/ext_idle.c
sched_ext: Always use SMP versions in kernel/sched/ext.h
sched_ext: Always use SMP versions in kernel/sched/ext.c
sched_ext: Documentation: Clarify time slice handling in task lifecycle
sched_ext: Make scx_locked_rq() inline
sched_ext: Make scx_rq_bypassing() inline
sched_ext: idle: Make local functions static in ext_idle.c
sched_ext: idle: Remove unnecessary ifdef in scx_bpf_cpu_node()
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
- Allow css_rstat_updated() in NMI context to enable memory accounting
for allocations in NMI context.
- /proc/cgroups doesn't contain useful information for cgroup2 and was
updated to only show v1 controllers. This unfortunately broke
something in the wild. Add an option to bring back the old behavior
to ease transition.
- selftest updates and other cleanups.
* tag 'cgroup-for-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup: Add compatibility option for content of /proc/cgroups
selftests/cgroup: fix cpu.max tests
cgroup: llist: avoid memory tears for llist_node
selftests: cgroup: Fix missing newline in test_zswap_writeback_one
selftests: cgroup: Allow longer timeout for kmem_dead_cgroups cleanup
memcg: cgroup: call css_rstat_updated irrespective of in_nmi()
cgroup: remove per-cpu per-subsystem locks
cgroup: make css_rstat_updated nmi safe
cgroup: support to enable nmi-safe css_rstat_updated
selftests: cgroup: Fix compilation on pre-cgroupns kernels
selftests: cgroup: Optionally set up v1 environment
selftests: cgroup: Add support for named v1 hierarchies in test_core
selftests: cgroup_util: Add helpers for testing named v1 hierarchies
Documentation: cgroup: add section explaining controller availability
cgroup: Drop sock_cgroup_classid() dummy implementation
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Pull workqueue updates from Tejun Heo:
- Prepare for defaulting to unbound workqueue. A separate branch was
created to ease pulling in from other trees but none of the
conversions have landed yet
- Memory allocation profiling support added
- Misc changes
* tag 'wq-for-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
workqueue: Use atomic_try_cmpxchg_relaxed() in tryinc_node_nr_active()
workqueue: Remove unused work_on_cpu_safe
workqueue: Add new WQ_PERCPU flag
workqueue: Add system_percpu_wq and system_dfl_wq
workqueue: Basic memory allocation profiling support
workqueue: fix opencoded cpumask_next_and_wrap() in wq_select_unbound_cpu()
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git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
"As usual, many cleanups. The below blurbiage describes 42 patchsets.
21 of those are partially or fully cleanup work. "cleans up",
"cleanup", "maintainability", "rationalizes", etc.
I never knew the MM code was so dirty.
"mm: ksm: prevent KSM from breaking merging of new VMAs" (Lorenzo Stoakes)
addresses an issue with KSM's PR_SET_MEMORY_MERGE mode: newly
mapped VMAs were not eligible for merging with existing adjacent
VMAs.
"mm/damon: introduce DAMON_STAT for simple and practical access monitoring" (SeongJae Park)
adds a new kernel module which simplifies the setup and usage of
DAMON in production environments.
"stop passing a writeback_control to swap/shmem writeout" (Christoph Hellwig)
is a cleanup to the writeback code which removes a couple of
pointers from struct writeback_control.
"drivers/base/node.c: optimization and cleanups" (Donet Tom)
contains largely uncorrelated cleanups to the NUMA node setup and
management code.
"mm: userfaultfd: assorted fixes and cleanups" (Tal Zussman)
does some maintenance work on the userfaultfd code.
"Readahead tweaks for larger folios" (Ryan Roberts)
implements some tuneups for pagecache readahead when it is reading
into order>0 folios.
"selftests/mm: Tweaks to the cow test" (Mark Brown)
provides some cleanups and consistency improvements to the
selftests code.
"Optimize mremap() for large folios" (Dev Jain)
does that. A 37% reduction in execution time was measured in a
memset+mremap+munmap microbenchmark.
"Remove zero_user()" (Matthew Wilcox)
expunges zero_user() in favor of the more modern memzero_page().
"mm/huge_memory: vmf_insert_folio_*() and vmf_insert_pfn_pud() fixes" (David Hildenbrand)
addresses some warts which David noticed in the huge page code.
These were not known to be causing any issues at this time.
"mm/damon: use alloc_migrate_target() for DAMOS_MIGRATE_{HOT,COLD" (SeongJae Park)
provides some cleanup and consolidation work in DAMON.
"use vm_flags_t consistently" (Lorenzo Stoakes)
uses vm_flags_t in places where we were inappropriately using other
types.
"mm/memfd: Reserve hugetlb folios before allocation" (Vivek Kasireddy)
increases the reliability of large page allocation in the memfd
code.
"mm: Remove pXX_devmap page table bit and pfn_t type" (Alistair Popple)
removes several now-unneeded PFN_* flags.
"mm/damon: decouple sysfs from core" (SeongJae Park)
implememnts some cleanup and maintainability work in the DAMON
sysfs layer.
"madvise cleanup" (Lorenzo Stoakes)
does quite a lot of cleanup/maintenance work in the madvise() code.
"madvise anon_name cleanups" (Vlastimil Babka)
provides additional cleanups on top or Lorenzo's effort.
"Implement numa node notifier" (Oscar Salvador)
creates a standalone notifier for NUMA node memory state changes.
Previously these were lumped under the more general memory
on/offline notifier.
"Make MIGRATE_ISOLATE a standalone bit" (Zi Yan)
cleans up the pageblock isolation code and fixes a potential issue
which doesn't seem to cause any problems in practice.
"selftests/damon: add python and drgn based DAMON sysfs functionality tests" (SeongJae Park)
adds additional drgn- and python-based DAMON selftests which are
more comprehensive than the existing selftest suite.
"Misc rework on hugetlb faulting path" (Oscar Salvador)
fixes a rather obscure deadlock in the hugetlb fault code and
follows that fix with a series of cleanups.
"cma: factor out allocation logic from __cma_declare_contiguous_nid" (Mike Rapoport)
rationalizes and cleans up the highmem-specific code in the CMA
allocator.
"mm/migration: rework movable_ops page migration (part 1)" (David Hildenbrand)
provides cleanups and future-preparedness to the migration code.
"mm/damon: add trace events for auto-tuned monitoring intervals and DAMOS quota" (SeongJae Park)
adds some tracepoints to some DAMON auto-tuning code.
"mm/damon: fix misc bugs in DAMON modules" (SeongJae Park)
does that.
"mm/damon: misc cleanups" (SeongJae Park)
also does what it claims.
"mm: folio_pte_batch() improvements" (David Hildenbrand)
cleans up the large folio PTE batching code.
"mm/damon/vaddr: Allow interleaving in migrate_{hot,cold} actions" (SeongJae Park)
facilitates dynamic alteration of DAMON's inter-node allocation
policy.
"Remove unmap_and_put_page()" (Vishal Moola)
provides a couple of page->folio conversions.
"mm: per-node proactive reclaim" (Davidlohr Bueso)
implements a per-node control of proactive reclaim - beyond the
current memcg-based implementation.
"mm/damon: remove damon_callback" (SeongJae Park)
replaces the damon_callback interface with a more general and
powerful damon_call()+damos_walk() interface.
"mm/mremap: permit mremap() move of multiple VMAs" (Lorenzo Stoakes)
implements a number of mremap cleanups (of course) in preparation
for adding new mremap() functionality: newly permit the remapping
of multiple VMAs when the user is specifying MREMAP_FIXED. It still
excludes some specialized situations where this cannot be performed
reliably.
"drop hugetlb_free_pgd_range()" (Anthony Yznaga)
switches some sparc hugetlb code over to the generic version and
removes the thus-unneeded hugetlb_free_pgd_range().
"mm/damon/sysfs: support periodic and automated stats update" (SeongJae Park)
augments the present userspace-requested update of DAMON sysfs
monitoring files. Automatic update is now provided, along with a
tunable to control the update interval.
"Some randome fixes and cleanups to swapfile" (Kemeng Shi)
does what is claims.
"mm: introduce snapshot_page" (Luiz Capitulino and David Hildenbrand)
provides (and uses) a means by which debug-style functions can grab
a copy of a pageframe and inspect it locklessly without tripping
over the races inherent in operating on the live pageframe
directly.
"use per-vma locks for /proc/pid/maps reads" (Suren Baghdasaryan)
addresses the large contention issues which can be triggered by
reads from that procfs file. Latencies are reduced by more than
half in some situations. The series also introduces several new
selftests for the /proc/pid/maps interface.
"__folio_split() clean up" (Zi Yan)
cleans up __folio_split()!
"Optimize mprotect() for large folios" (Dev Jain)
provides some quite large (>3x) speedups to mprotect() when dealing
with large folios.
"selftests/mm: reuse FORCE_READ to replace "asm volatile("" : "+r" (XXX));" and some cleanup" (wang lian)
does some cleanup work in the selftests code.
"tools/testing: expand mremap testing" (Lorenzo Stoakes)
extends the mremap() selftest in several ways, including adding
more checking of Lorenzo's recently added "permit mremap() move of
multiple VMAs" feature.
"selftests/damon/sysfs.py: test all parameters" (SeongJae Park)
extends the DAMON sysfs interface selftest so that it tests all
possible user-requested parameters. Rather than the present minimal
subset"
* tag 'mm-stable-2025-07-30-15-25' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (370 commits)
MAINTAINERS: add missing headers to mempory policy & migration section
MAINTAINERS: add missing file to cgroup section
MAINTAINERS: add MM MISC section, add missing files to MISC and CORE
MAINTAINERS: add missing zsmalloc file
MAINTAINERS: add missing files to page alloc section
MAINTAINERS: add missing shrinker files
MAINTAINERS: move memremap.[ch] to hotplug section
MAINTAINERS: add missing mm_slot.h file THP section
MAINTAINERS: add missing interval_tree.c to memory mapping section
MAINTAINERS: add missing percpu-internal.h file to per-cpu section
mm/page_alloc: remove trace_mm_alloc_contig_migrate_range_info()
selftests/damon: introduce _common.sh to host shared function
selftests/damon/sysfs.py: test runtime reduction of DAMON parameters
selftests/damon/sysfs.py: test non-default parameters runtime commit
selftests/damon/sysfs.py: generalize DAMON context commit assertion
selftests/damon/sysfs.py: generalize monitoring attributes commit assertion
selftests/damon/sysfs.py: generalize DAMOS schemes commit assertion
selftests/damon/sysfs.py: test DAMOS filters commitment
selftests/damon/sysfs.py: generalize DAMOS scheme commit assertion
selftests/damon/sysfs.py: test DAMOS destinations commitment
...
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- Remove resolved hotplug TODO item (Guilherme Giacomo Simoes)
- Fix typos (Bjorn Helgaas)
* pci/misc:
PCI: Fix typos
PCI: hotplug: Remove TODO about unused .get_power(), .hardware_test()
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- Teach handle_simple_irq() to resend an in-progress interrupt (Marc
Zyngier)
- Defer probing if the MSI widget driver hasn't probed yet (Marc Zyngier)
- Drop useless conditional compilation, since pci-xgene.c is only compiled
when CONFIG_PCI_XGENE is selected (Marc Zyngier)
- Drop useless XGENE_PCIE_IP_VER_UNKN IP version (Marc Zyngier)
- Simplify and make per-CPU interrupt setup robust (Marc Zyngier)
- Drop superfluous struct xgene_msi fields (Marc Zyngier)
- Use device-managed memory allocations (Marc Zyngier)
- Drop intermediate xgene_msi_group tracking structure (Marc Zyngier)
- Rewrite pci-xgene-msi.c to fix MSI CPU affinity and clean things up (Marc
Zyngier)
- Resend an MSI racing with itself on a different CPU (Marc Zyngier)
- Probe xgene-msi as a standard platform driver rather than a
subsys_initcall (Marc Zyngier)
- Simplify MSI handler setup/teardown by dropping useless CPU hotplug bits
(Marc Zyngier)
- Remove unused cpuhp_state CPUHP_PCI_XGENE_DEAD (Marc Zyngier)
* pci/controller/xgene:
cpu/hotplug: Remove unused cpuhp_state CPUHP_PCI_XGENE_DEAD
PCI: xgene-msi: Restructure handler setup/teardown
PCI: xgene-msi: Probe as a standard platform driver
PCI: xgene-msi: Resend an MSI racing with itself on a different CPU
PCI: xgene-msi: Sanitise MSI allocation and affinity setting
PCI: xgene-msi: Get rid of intermediate tracking structure
PCI: xgene-msi: Use device-managed memory allocations
PCI: xgene-msi: Drop superfluous fields from xgene_msi structure
PCI: xgene-msi: Make per-CPU interrupt setup robust
PCI: xgene: Drop XGENE_PCIE_IP_VER_UNKN
PCI: xgene: Drop useless conditional compilation
PCI: xgene: Defer probing if the MSI widget driver hasn't probed yet
genirq: Teach handle_simple_irq() to resend an in-progress interrupt
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- Add Intel Panther Lake (PTL)-H/P/U Vendor ID (George D Sworo)
* pci/controller/vmd:
PCI: vmd: Add VMD Device ID Support for Panther Lake (PTL)-H/P/U
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- Add DT binding and driver for Sophgo SG2044 PCIe controller driver in
Root Complex mode (Inochi Amaoto)
* pci/controller/sophgo:
PCI: dwc: Add Sophgo SG2044 PCIe controller driver in Root Complex mode
dt-bindings: pci: Add Sophgo SG2044 PCIe host
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- Fix log message that said "malformed TLP" when it should have said
"Unexpected Completion" (Hans Zhang)
- Fix log message that said "no fatal error" when it should have said "non
fatal error" (Hans Zhang)
- Remove several unused header includes (Hans Zhang)
* pci/controller/rockchip-host:
PCI: rockchip-host: Remove unused header includes
PCI: rockchip-host: Correct non-fatal error log message
PCI: rockchip-host: Fix "Unexpected Completion" log message
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- Drop unused PCIe Message routing and code definitions (Hans Zhang)
- Use standard PCIe config register definitions instead of
rockchip-specific redefinitions (Geraldo Nascimento)
- Set Target Link Speed to 5.0 GT/s before retraining so we have a chance
to train at a higher speed (Geraldo Nascimento)
* pci/controller/rockchip:
PCI: rockchip: Set Target Link Speed to 5.0 GT/s before retraining
PCI: rockchip: Use standard PCIe definitions
PCI: rockchip: Remove redundant PCIe message routing definitions
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- Export DWC MSI controller related APIs for use by upcoming DWC-based ECAM
implementation (Mayank Rana)
- Rename gen_pci_init() to pci_host_common_ecam_create() and export for use
by controller drivers (Mayank Rana)
- Add DT binding and driver support for SA8255p, which supports ECAM for
Configuration Space access (Mayank Rana)
- Update DT binding and driver to describe PHYs and per-Root Port resets in
a Root Port stanza and deprecate describing them in the host bridge; this
makes it possible to support multiple Root Ports in the future (Krishna
Chaitanya Chundru)
* pci/controller/qcom:
PCI: qcom: Add support for parsing the new Root Port binding
dt-bindings: PCI: qcom: Move PHY & reset GPIO to Root Port node
PCI: qcom: Add support for Qualcomm SA8255p based PCIe Root Complex
dt-bindings: PCI: qcom,pcie-sa8255p: Document ECAM compliant PCIe root complex
PCI: host-generic: Rename and export gen_pci_init() for PCIe controller drivers
PCI: dwc: Export DWC MSI controller related APIs
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- Use devm_add_action_or_reset() when adding port->clk devm cleanup action
so we don't have to explicitly call clk_put() (Salah Triki)
* pci/controller/mvebu:
PCI: mvebu: Use devm_add_action_or_reset() instead of devm_add_action()
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- Add IMX8MQ_EP third 64-bit BAR in epc_features (Richard Zhu)
- Add IMX8MM_EP and IMX8MP_EP fixed 256-byte BAR 4 in epc_features (Richard
Zhu)
- Factor imx_pcie_add_lut_by_rid() out of imx_pcie_enable_device() for use
by LUT configuration (Frank Li)
- Configure LUT for MSI/IOMMU in Endpoint mode so Root Complex can trigger
doorbel on Endpoint (Frank Li)
- Remove apps_reset (LTSSM_EN) from imx_pcie_{assert,deassert}_core_reset(),
which fixes a hotplug regression on i.MX8MM (Richard Zhu)
- Delay Endpoint link start until configfs 'start' written (Richard Zhu)
* pci/controller/imx6:
PCI: imx6: Delay link start until configfs 'start' written
PCI: imx6: Remove apps_reset toggling from imx_pcie_{assert/deassert}_core_reset
PCI: imx6: Add LUT configuration for MSI/IOMMU in Endpoint mode
PCI: imx6: Add helper function imx_pcie_add_lut_by_rid()
PCI: imx6: Add IMX8MM_EP and IMX8MP_EP fixed 256-byte BAR 4 in epc_features
PCI: imx6: Add IMX8MQ_EP third 64-bit BAR in epc_features
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- Prevent race between link training and register update via DBI by
inhibiting link training after hot reset and link down (Wilfred Mallawa)
* pci/controller/dw-rockchip:
PCI: dw-rockchip: Delay link training after hot reset in EP mode
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- Simplify debugfs 'return' statements (Hans Zhang)
- Make dw_pcie_ptm_ops static (Manivannan Sadhasivam)
* pci/controller/dwc:
PCI: dwc: Make dw_pcie_ptm_ops static
PCI: dwc: Simplify the return value of PTM debugfs functions returning bool
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- Use PCIe Message routing types from the PCI core rather than defining
private ones (Hans Zhang)
* pci/controller/cadence:
PCI: cadence: Replace private message routing enums with PCI core definitions
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- Add optional DT 'num-lanes' property and if present, use it to override
the Maximum Link Width advertised in Link Capabilities (Jim Quinlan)
* pci/controller/brcmstb:
PCI: brcmstb: Replace open coded value with PCIE_T_RRS_READY_MS
MAINTAINERS: Drop Nicolas from maintaining pcie-brcmstb
PCI: brcmstb: Set MLW based on "num-lanes" DT property if present
dt-bindings: PCI: brcm,stb-pcie: Add num-lanes property
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- Rename PCIE_RESET_CONFIG_DEVICE_WAIT_MS to PCIE_RESET_CONFIG_WAIT_MS (the
required delay before sending config requests after a reset) (Niklas
Cassel)
- PCIE_T_RRS_READY_MS and PCIE_RESET_CONFIG_WAIT_MS were two names for the
same delay; replace PCIE_T_RRS_READY_MS with PCIE_RESET_CONFIG_WAIT_MS
and remove PCIE_T_RRS_READY_MS (Niklas Cassel)
- Add required PCIE_RESET_CONFIG_WAIT_MS delay after Link up IRQ to
dw-rockchip, qcom (Niklas Cassel)
- Add required PCIE_RESET_CONFIG_WAIT_MS after waiting for Link up on
Ports that support > 5.0 GT/s in dwc core (Niklas Cassel)
- Move LINK_WAIT_SLEEP_MS and LINK_WAIT_MAX_RETRIES to pci.h and prefix
with 'PCIE_' for potential sharing across drivers (Niklas Cassel)
* pci/controller/linkup-fix:
PCI: Move link up wait time and max retries macros to pci.h
PCI: dwc: Ensure that dw_pcie_wait_for_link() waits 100 ms after link up
PCI: qcom: Wait PCIE_RESET_CONFIG_WAIT_MS after link-up IRQ
PCI: dw-rockchip: Wait PCIE_RESET_CONFIG_WAIT_MS after link-up IRQ
PCI: rockchip-host: Use macro PCIE_RESET_CONFIG_WAIT_MS
PCI: Rename PCIE_RESET_CONFIG_DEVICE_WAIT_MS to PCIE_RESET_CONFIG_WAIT_MS
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- Use dev_fwnode() instead of of_fwnode_handle() to remove OF dependency
in altera (fixes an unused variable), designware-host, mediatek,
mediatek-gen3, mobiveil, plda, xilinx, xilinx-dma, xilinx-nwl (Jiri
Slaby, Arnd Bergmann)
- Convert aardvark, altera, brcmstb, designware-host, iproc, mediatek,
mediatek-gen3, mobiveil, plda, rcar-host, vmd, xilinx, xilinx-dma,
xilinx-nwl from using pci_msi_create_irq_domain() to using
msi_create_parent_irq_domain() instead; this makes the interrupt
controller per-PCI device, allows dynamic allocation of vectors after
initialization, and allows support of IMS (Nam Cao)
- Convert vmd to using lock guards to tidy the code (Nam Cao)
* pci/controller/msi-parent:
PCI: vmd: Switch to msi_create_parent_irq_domain()
PCI: vmd: Convert to lock guards
PCI: plda: Switch to msi_create_parent_irq_domain()
PCI: xilinx: Switch to msi_create_parent_irq_domain()
PCI: xilinx-nwl: Switch to msi_create_parent_irq_domain()
PCI: xilinx-xdma: Switch to msi_create_parent_irq_domain()
PCI: rcar-host: Switch to msi_create_parent_irq_domain()
PCI: mediatek: Switch to msi_create_parent_irq_domain()
PCI: mediatek-gen3: Switch to msi_create_parent_irq_domain()
PCI: iproc: Switch to msi_create_parent_irq_domain()
PCI: brcmstb: Switch to msi_create_parent_irq_domain()
PCI: altera-msi: Switch to msi_create_parent_irq_domain()
PCI: aardvark: Switch to msi_create_parent_irq_domain()
PCI: mobiveil: Switch to msi_create_parent_irq_domain()
PCI: dwc: Switch to msi_create_parent_irq_domain()
PCI: controller: Use dev_fwnode() instead of of_fwnode_handle()
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- Return -ENOENT (not -1) if pci_epc_get_next_free_bar() fails (Jerome
Brunet)
- Align MW (memory window) naming with config names (Jerome Brunet)
- Allow BAR assignment via configfs so platforms have flexibility in
determining BAR usage (Jerome Brunet)
- Drop incorrect '__iomem' annotation on the return value of
pci_epf_alloc_space(); this also fixes an sparse warning (Manivannan
Sadhasivam)
* pci/endpoint/epf-vntb:
PCI: endpoint: pci-epf-vntb: Fix the incorrect usage of __iomem attribute
PCI: endpoint: pci-epf-vntb: Allow BAR assignment via configfs
PCI: endpoint: pci-epf-vntb: Align MW naming with config names
PCI: endpoint: pci-epf-vntb: Return -ENOENT if pci_epc_get_next_free_bar() fails
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- Add RC-to-EP doorbell support using platform MSI controller (Frank Li)
- Check for MSI parent and mutability since we currently don't support
mutable MSI controllers (Frank Li)
- Add pci_epf_align_inbound_addr() helper (Frank Li)
- Add a doorbell test (Frank Li)
* pci/endpoint/doorbell:
selftests: pci_endpoint: Add doorbell test case
misc: pci_endpoint_test: Add doorbell test case
PCI: endpoint: pci-epf-test: Add doorbell test support
PCI: endpoint: Add pci_epf_align_inbound_addr() helper for inbound address alignment
PCI: endpoint: pci-ep-msi: Add checks for MSI parent and mutability
PCI: endpoint: Add RC-to-EP doorbell support using platform MSI controller
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- Fix configfs epf_group removal, which incorrectly did a list_del() on a
list head, not a list entry (Damien Le Moal)
* pci/endpoint/core:
PCI: endpoint: Fix configfs group removal on driver teardown
PCI: endpoint: Fix configfs group list head handling
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- Add Qualcomm QCS615 to SM8150 DT binding (Ziyue Zhang)
- Add Qualcomm QCS8300 to SA8775p DT binding (Ziyue Zhang)
- Add '6' (64 GT/s, aka Gen6) as a legal value for the DT endpoint
'max-link-speed' property (Hans Zhang)
- Drop TBU and ref clocks from Qualcomm SM8150 and SC8180x DT bindings
(Konrad Dybcio)
- Convert amazon,al-alpine-v[23]-pcie, apm,xgene-pcie, axis,artpec6-pcie,
marvell,armada-3700-pcie, st,spear1340-pcie to DT schema format (Rob
Herring)
- Document 'link_down' reset in Qualcomm SA8775P DT binding (Ziyue Zhang)
* pci/dt-bindings:
dt-bindings: PCI: qcom,pcie-sa8775p: Document 'link_down' reset
dt-bindings: PCI: Remove 83xx-512x-pci.txt
dt-bindings: PCI: Convert amazon,al-alpine-v[23]-pcie to DT schema
dt-bindings: PCI: Convert marvell,armada-3700-pcie to DT schema
dt-bindings: PCI: Convert apm,xgene-pcie to DT schema
dt-bindings: PCI: Convert axis,artpec6-pcie to DT schema
dt-bindings: PCI: Convert st,spear1340-pcie to DT schema
dt-bindings: PCI: qcom,pcie-sm8150: Drop unrelated clocks from PCIe hosts
dt-bindings: PCI: qcom,pcie-sc8180x: Drop unrelated clocks from PCIe hosts
dt-bindings: PCI: pci-ep: Extend max-link-speed to PCIe Gen5/Gen6
dt-bindings: PCI: qcom,pcie-sa8775p: Document QCS8300
dt-bindings: PCI: qcom,pcie-sm8150: Document QCS615
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- Restore VF resizable BAR state after reset (Michał Winiarski)
- Add pci_resource_num_to_vf_bar() and pci_resource_num_from_vf_bar() to
convert between VF BAR number and the dev->resource[] index (Michał
Winiarski)
- Allow IOV resources (VF BARs) to be resized (Michał Winiarski)
- Add pci_iov_vf_bar_set_size() so drivers can control VF BAR size (Michał
Winiarski)
* pci/resources:
PCI/IOV: Allow drivers to control VF BAR size
PCI/IOV: Check that VF BAR fits within the reservation
PCI/IOV: Allow IOV resources to be resized in pci_resize_resource()
PCI/IOV: Add pci_resource_num_to_vf_bar() to convert VF BAR number to/from IOV resource
PCI/IOV: Restore VF resizable BAR state after reset
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- Add optional slot clock for cases where the PCIe host controller and the
slot are supplied by different clocks (Marek Vasut)
- Fix kerneldoc tag for private fields (Bartosz Golaszewski)
* pci/pwrctrl:
PCI/pwrctrl: Fix the kerneldoc tag for private fields
PCI/pwrctrl: Add optional slot clock for PCI slots
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- Fix a Time-of-Check to Time-of-Use issue when testing driver_managed_dma
in the IOMMU probe path (Robin Murphy)
* pci/iommu:
PCI: Fix driver_managed_dma check
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- Fix runtime PM ref imbalance on Hot-Plug Capable ports caused by
misinterpreting a config read failure after a device has been removed
(Lukas Wunner)
- Avoid creating a useless PCIe port service device for pciehp if the slot
is handled by the ACPI hotplug driver (Lukas Wunner)
- Ignore ACPI hotplug slots when calculating depth of pciehp hotplug ports
(Lukas Wunner)
- Simplify pci_bridge_d3_possible() and clarify comments (Lukas Wunner)
* pci/hotplug:
PCI: Move is_pciehp check out of pciehp_is_native()
PCI: pciehp: Use is_pciehp instead of is_hotplug_bridge
PCI/portdrv: Use is_pciehp instead of is_hotplug_bridge
PCI/ACPI: Fix runtime PM ref imbalance on Hot-Plug Capable ports
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- Allow 'isolated PCI functions' (multi-function devices without a function
0) for LoongArch, similar to s390 and jailhouse (Huacai Chen)
- Mask out unrelated bits in PCIE_LNKCAP_SLS2SPEED() and
PCIE_LNKCTL2_TLS2SPEED(), which makes them more robust and fixes a
WARN_ON_ONCE() in pcie_set_target_speed() (Jiwei Sun)
- Read Link Control 2 again when retraining a link after a training failure
so we try to increase the link speed (Jiwei Sun)
- Allow built-in drivers, not just modular drivers, to use async initial
probing (Lukas Wunner)
- Support Immediate Readiness even on devices with no PM Capability (Sean
Christopherson)
* pci/enumeration:
PCI: Support Immediate Readiness on devices without PM capabilities
PCI: Allow built-in drivers to use async initial probing
PCI: Adjust the position of reading the Link Control 2 register
PCI: Fix link speed calculation on retrain failure
PCI: Extend isolated function probing to LoongArch
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- Add pci_is_display() to check for "Display" base class and use it in
ALSA hda, vfio, vga_switcheroo, vt-d (Mario Limonciello)
* pci/boot-display:
ALSA: hda: Use pci_is_display()
iommu/vt-d: Use pci_is_display()
vga_switcheroo: Use pci_is_display()
vfio/pci: Use pci_is_display()
PCI: Add pci_is_display() to check if device is a display controller
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- Change aspm_disabled and aspm_force from int to bool (Hans Zhang)
- Initialize val at declaration (Hans Zhang)
* pci/aspm:
PCI/ASPM: Consolidate variable declaration and initialization
PCI/ASPM: Use boolean type for aspm_disabled and aspm_force
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- Change pcie_aer_disable from int to bool (Hans Zhang)
- Add message if AER interrupt occurs and we find more downstream devices
with AER errors logged than we can process (Akshay Jindal)
* pci/aer:
PCI/AER: Add message when AER_MAX_MULTI_ERR_DEVICES limit is hit
PCI/AER: Use bool for AER disable state tracking
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Each PCIe controller on SA8775P includes a 'link_down' reset line in
hardware. This patch documents the reset in the device tree binding.
The 'link_down' reset is used to forcefully bring down the PCIe link
layer, which is useful in scenarios such as link recovery after errors,
power management transitions, and hotplug events. Including this reset
line improves robustness and provides finer control over PCIe controller
behavior.
As the 'link_down' reset was omitted in the initial submission, it is now
being documented. While this reset is not required for most of the block's
basic functionality, and device trees lacking it will continue to function
correctly in most cases, it is necessary to ensure maximum robustness when
shutting down or recovering the PCIe core. Therefore, its inclusion is
justified despite the minor ABI change.
Signed-off-by: Ziyue Zhang <ziyue.zhang@oss.qualcomm.com>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://patch.msgid.link/20250718081718.390790-3-ziyue.zhang@oss.qualcomm.com
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This binding is already covered by fsl,mpc8xxx-pci.yaml schema. While
the MPC512x is mentioned here, its compatible strings aren't actually
documented and remain that way.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20250710180843.2971667-1-robh@kernel.org
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Convert the Amazon Alpine PCIe binding to DT schema format. It's a
straight forward conversion.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20250710180825.2971248-1-robh@kernel.org
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Convert the Marvell Armada 3700 PCIe binding to DT schema format.
The 'clocks' property was missing and has been added.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20250710180811.2970846-1-robh@kernel.org
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Convert the Applied Micro X-Gene PCIe binding to DT schema format. It's
a straight forward conversion.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20250710180749.2970379-1-robh@kernel.org
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Convert the Axis ARTPEC-6/7 PCIe binding to DT schema format. It's a
straight forward conversion.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20250710180741.2970148-1-robh@kernel.org
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Convert the ST SPEAr1340 PCIe binding to DT schema format. It's a
straight forward conversion.
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
[mani: added the license]
Signed-off-by: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://patch.msgid.link/20250710180731.2969879-1-robh@kernel.org
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https://gitlab.freedesktop.org/drm/xe/kernel into drm-next
- Fix BMG probe on unsupported mailbox command (Raag)
- Fix OA static checker warning about null gt (Ashutosh)
- Fix a NULL vs IS_ERR() bug in xe_i2c_register_adapter (Dan)
- Fix missing unwind goto in GuC/HuC (Zhanjun)
- Don't register I2C devices if VF (Lukasz)
- Clear whole GuC g2h_fence during initialization (Michal)
- Avoid call kfree for drmm_kzalloc (Shuicheng)
- Fix pci_dev reference leak on configfs (Michal)
- SRIOV: Disable CSC support on VF (Lukasz)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/aIvIAANnXv-j_bNA@intel.com
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- support for XP-PEN Artist 22R Pro (Joshua Goins)
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- upgrade the python scripts in hid-selftests to match hid-tools
version 0.10 (Benjamin Tissoires)
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