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cb19b8a9add2ed3774c1276e0a3906e52e8cf39a
linux/include/asm-generic
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WEI-HONG, YE cb19b8a9ad locking/qspinlock: Clarify pending field layout 
For CONFIG_NR_CPUS < 16K, _Q_PENDING_BITS is 8 and the pending
field occupies bits 8-15 of the lock word. The current comment
documents bit 8 as pending and bits 9-15 as unused, which describes
the pending flag value rather than the field layout.

Describe bits 8-15 as the pending byte so the layout description
is consistent with the lock byte.

Signed-off-by: WEI-HONG, YE <1234567weewee457@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Waiman Long <longman@redhat.com>
Link: https://patch.msgid.link/20260525130450.723937-1-1234567weewee457@gmail.com
2026-06-03 11:38:46 +02:00
..
bitops
asm-generic/bitops: Fix a comment typo in instrumented-atomic.h
2026-03-23 13:33:51 -04:00
vdso
vdso: Drop Kconfig GENERIC_VDSO_DATA_STORE
2025-09-04 11:23:50 +02:00
access_ok.h
uaccess: remove CONFIG_SET_FS
2022-02-25 09:36:06 +01:00
agp.h
char/agp: introduce asm-generic/agp.h
2023-02-13 22:13:29 +01:00
archrandom.h
random: handle archrandom with multiple longs
2022-07-25 13:26:14 +02:00
asm-offsets.h
…
asm-prototypes.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
atomic64.h
atomic: specify alignment for atomic_t and atomic64_t
2026-01-26 19:07:14 -08:00
atomic.h
locking/atomic: make atomic*_{cmp,}xchg optional
2023-06-05 09:57:14 +02:00
audit_change_attr.h
audit: add fchmodat2() to change attributes class
2025-12-15 14:27:18 -05:00
audit_dir_write.h
audit: Avoid build failures on systems without renameat
2018-01-30 19:07:54 -08:00
audit_read.h
audit: add missing syscalls to read class
2026-01-06 16:42:29 -05:00
audit_signal.h
…
audit_write.h
Merge tag 'audit-pr-20171113' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
2017-11-15 13:28:48 -08:00
barrier.h
locking/barrier: Use correct parameter names
2026-05-05 12:50:47 +02:00
bitops.h
include: move find.h from asm_generic to linux
2022-01-15 08:47:31 -08:00
bitsperlong.h
asm-generic/bitsperlong.h: Add sanity checks for __BITS_PER_LONG
2026-03-11 10:15:43 +01:00
bug.h
x86/bug: Implement WARN_ONCE()
2025-11-24 20:23:25 +01:00
cache.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
cacheflush.h
mm: Introduce flush_cache_vmap_early()
2023-12-14 00:23:17 -08:00
cfi.h
cfi: Flip headers
2023-12-15 16:25:55 -08:00
checksum.h
asm-generic: Improve csum_fold
2024-01-17 17:52:29 -08:00
cmpxchg-local.h
asm-generic: Fix 32 bit __generic_cmpxchg_local
2024-01-05 23:19:14 +01:00
cmpxchg.h
asm-generic: avoid __generic_cmpxchg_local warnings
2023-04-04 17:58:11 +02:00
codetag.lds.h
module.lds,codetag: force 0 sh_addr for sections
2026-03-17 23:18:02 +00:00
compat.h
asm-generic: compat: fix compat_arg_u64() and compat_arg_u64_dual()
2022-11-01 10:20:11 +11:00
current.h
asm-generic: current: Don't include thread-info.h if building asm
2023-08-26 22:38:49 +02:00
delay.h
delay: Fix ndelay() spuriously treated as udelay()
2024-11-29 11:40:22 +01:00
device.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428
2019-06-05 17:37:16 +02:00
div64.h
__arch_xprod64(): make __always_inline when optimizing for performance
2024-10-28 21:44:28 +00:00
dma-mapping.h
dma-mapping: no need to pass a bus_type into get_arch_dma_ops()
2023-02-15 12:35:20 +01:00
dma.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
early_ioremap.h
mm/early_ioremap: add null pointer checks to prevent NULL-pointer dereference
2025-01-13 22:40:59 -08:00
emergency-restart.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
error-injection.h
docs: fault-injection: add requirements of error injectable functions
2023-02-02 22:50:00 -08:00
exec.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36
2019-05-24 17:27:11 +02:00
extable.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
fixmap.h
fixmap: Remove unused set_fixmap_offset_io()
2024-07-11 17:41:23 +02:00
flat.h
binfmt_flat: remove the persistent argument from flat_get_addr_from_rp
2019-06-24 09:16:47 +10:00
fprobe.h
fprobe: Add fprobe_header encoding feature
2024-12-26 10:50:05 -05:00
ftrace.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
futex.h
futex: add missing function parameter comments
2026-03-08 11:06:47 +01:00
getorder.h
asm-generic: force inlining of get_order() to work around gcc10 poor decision
2020-12-15 22:46:15 -08:00
hardirq.h
irqstat: Move declaration into asm-generic/hardirq.h
2020-11-23 10:31:06 +01:00
hugetlb.h
mm: correctly handle UFFD PTE markers
2025-11-24 15:08:50 -08:00
hw_irq.h
…
int-ll64.h
int-ll64.h: define u{8,16,32,64} and s{8,16,32,64} based on uapi header
2018-06-07 17:34:38 -07:00
io.h
asm-generic/io.h: Skip trace helpers if rwmmio events are disabled
2025-09-24 16:21:13 +02:00
ioctl.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
iomap.h
asm-generic/io.h: rework split ioread64/iowrite64 helpers
2025-03-01 21:00:22 +01:00
irq_regs.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
irq_work.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
irq.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
irqflags.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Kbuild
xor: make xor.ko self-contained in lib/raid/
2026-04-02 23:36:20 -07:00
kdebug.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
kmap_size.h
mm/highmem: Provide and use CONFIG_DEBUG_KMAP_LOCAL
2020-11-24 14:42:08 +01:00
kprobes.h
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
kvm_para.h
KVM: Introduce paravirtualization hints and KVM_HINTS_DEDICATED
2018-03-06 18:40:44 +01:00
kvm_types.h
KVM: Move x86's version of struct kvm_mmu_memory_cache to common code
2020-07-09 13:29:42 -04:00
linkage.h
…
local64.h
locking/generic: Wire up local{,64}_try_cmpxchg()
2023-04-29 09:09:09 +02:00
local.h
locking/generic: Wire up local{,64}_try_cmpxchg()
2023-04-29 09:09:09 +02:00
logic_io.h
logic_io instance of iounmap() needs volatile on argument
2021-12-21 21:31:08 +01:00
mcs_spinlock.h
locking: Move MCS struct definition to public header
2025-03-18 10:28:21 -07:00
memory_model.h
mm: convert page_to_section() to memdesc_section()
2025-09-13 16:55:07 -07:00
mm_hooks.h
mm: remove arch_unmap()
2024-09-01 20:26:13 -07:00
mmiowb_types.h
asm-generic/mmiowb: Add generic implementation of mmiowb() tracking
2019-04-08 11:59:39 +01:00
mmiowb.h
asm-generic/mmiowb: Allow mmiowb_set_pending() when preemptible()
2020-07-17 10:02:03 +01:00
mmu_context.h
asm-generic: add generic MMU versions of mmu context functions
2020-10-26 16:45:03 +01:00
mmu.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mmzone.h
arch, mm: move definition of node_data to generic code
2024-09-03 21:15:28 -07:00
module.h
asm-generic: Always define Elf_Rel and Elf_Rela
2025-03-26 15:56:43 -07:00
module.lds.h
kbuild: preprocess module linker script
2020-09-25 00:36:41 +09:00
mshyperv.h
x86/hyperv: Skip LP/VP creation on kexec
2026-04-22 06:23:25 +00:00
msi.h
irqchip/gic-v5: Add GICv5 IWB support
2025-07-08 18:35:52 +01:00
nommu_context.h
asm-generic: add generic MMU versions of mmu context functions
2020-10-26 16:45:03 +01:00
numa.h
arch_numa: switch over to numa_memblks
2024-09-03 21:15:32 -07:00
param.h
alpha: regularize the situation with asm/param.h
2025-06-24 22:02:05 -04:00
parport.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
pci_iomap.h
PCI: Stub __pci_ioport_map() for arches that don't support it at all
2022-07-29 12:01:00 -05:00
pci.h
asm-generic: Add new pci.h and use it
2022-07-22 17:34:57 -05:00
percpu.h
asm-generic: percpu: Add assembly guard
2025-10-27 16:41:53 +01:00
pgalloc.h
mm: remove unnecessary __GFP_HIGHMEM in __p*d_alloc_one_*()
2025-11-20 13:43:59 -08:00
pgtable_uffd.h
mm: userfaultfd: add pgtable_supports_uffd_wp()
2025-11-24 15:08:54 -08:00
pgtable-nop4d.h
mm: rename p4d_page_vaddr to p4d_pgtable and make it return pud_t *
2021-07-08 11:48:22 -07:00
pgtable-nopmd.h
mm: recover pud_leaf() definitions in nopmd case
2024-03-13 12:12:21 -07:00
pgtable-nopud.h
mm: rename p4d_page_vaddr to p4d_pgtable and make it return pud_t *
2021-07-08 11:48:22 -07:00
preempt.h
riscv: support PREEMPT_DYNAMIC with static keys
2023-08-31 00:18:34 -07:00
qrwlock_types.h
locking/qrwlock: Change "queue rwlock" to "queued rwlock"
2022-05-11 16:27:04 +02:00
qrwlock.h
Merge tag 'asm-generic-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
2022-05-26 10:50:30 -07:00
qspinlock_types.h
locking/qspinlock: Clarify pending field layout
2026-06-03 11:38:46 +02:00
qspinlock.h
riscv: Add qspinlock support
2024-11-11 07:33:20 -08:00
resource.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
rqspinlock.h
Merge tag 'mm-nonmm-stable-2026-02-12-10-48' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
2026-02-12 12:13:01 -08:00
runtime-const.h
runtime constants: add default dummy infrastructure
2024-06-19 12:34:34 -07:00
rwonce.h
rwonce: fix crash by removing READ_ONCE() for unaligned read
2025-03-26 22:16:50 +01:00
seccomp.h
seccomp: Use -1 marker for end of mode 1 syscall list
2020-07-10 16:01:52 -07:00
sections.h
percpu: Remove __per_cpu_load
2025-02-18 10:16:00 +01:00
serial.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
set_memory.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
shmparam.h
treewide: remove SPDX "WITH Linux-syscall-note" from kernel-space headers
2019-05-14 19:52:48 -07:00
signal.h
asm-generic: Remove empty #ifdef SA_RESTORER
2022-09-10 09:56:53 +02:00
simd.h
asm-generic: Add sched.h inclusion in simd.h
2025-05-30 20:56:48 +08:00
softirq_stack.h
asm-generic: Conditionally enable do_softirq_own_stack() via Kconfig.
2022-09-05 17:20:55 +02:00
spinlock_types.h
asm-generic: ticket-lock: Reuse arch_spinlock_t of qspinlock
2024-11-11 07:33:16 -08:00
spinlock.h
asm-generic: ticket-lock: Add separate ticket-lock.h
2024-11-11 07:33:17 -08:00
statfs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
string.h
…
switch_to.h
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36
2019-05-24 17:27:11 +02:00
syscall.h
syscall.h: introduce syscall_set_nr()
2025-05-11 17:48:15 -07:00
syscalls.h
syscalls: mmap(): use unsigned offset type consistently
2024-06-25 15:57:38 +02:00
text-patching.h
asm-generic: introduce text-patching.h
2024-11-07 14:25:15 -08:00
thread_info_tif.h
hrtimer: Push reprogramming timers into the interrupt return path
2026-02-27 16:40:14 +01:00
ticket_spinlock.h
riscv: Add qspinlock support
2024-11-11 07:33:20 -08:00
timex.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
tlb.h
mm/mmu_gather: replace IPI with synchronize_rcu() when batch allocation fails
2026-04-05 13:53:05 -07:00
tlbflush.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
topology.h
include/asm-generic/topology.h: Remove unused definition of cpumask_of_node()
2026-01-30 16:44:38 +01:00
trace_clock.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
uaccess.h
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
unwind_user.h
unwind_user: Add user space unwinding API with frame pointer support
2025-07-29 14:46:07 -04:00
user.h
…
vermagic.h
arch: split MODULE_ARCH_VERMAGIC definitions out to <asm/vermagic.h>
2020-04-23 10:50:26 +09:00
vga.h
empty include/asm-generic/vga.h
2024-11-11 21:51:42 +01:00
video.h
arch: Rename fbdev header and source files
2024-05-03 17:07:50 +02:00
vmlinux.lds.h
Merge tag 'modules-7.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux
2026-04-14 17:16:38 -07:00
word-at-a-time.h
kernel.h: removed REPEAT_BYTE from kernel.h
2024-02-01 09:47:59 -08:00