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Paul E. McKenney 448b66a7aa refscale: Add non-atomic per-CPU increment readers 
This commit adds refscale readers based on READ_ONCE() and WRITE_ONCE()
that are unprotected (can lose counts, "refscale.scale_type=incpercpu"),
preempt-disabled ("refscale.scale_type=incpercpupreempt"),
bh-disabled ("refscale.scale_type=incpercpubh"), and irq-disabled
("refscale.scale_type=incpercpuirqsave").  On my x86 laptop, these are
about 4.3ns, 3.8ns, and 7.3ns per pair, respectively.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
2025-11-07 14:37:17 +01:00
..
bpf
bpf: Avoid RCU context warning when unpinning htab with internal structs
2025-10-10 10:10:08 -07:00
cgroup
RCU pull request for v6.18
2025-10-04 11:28:45 -07:00
configs
kcfi: Rename CONFIG_CFI_CLANG to CONFIG_CFI
2025-09-24 14:29:14 -07:00
debug
kdb: remove redundant check for scancode 0xe0
2025-09-20 21:19:09 +01:00
dma
dma-mapping updates for Linux 6.18:
2025-10-03 17:41:12 -07:00
entry
hyperv-next for v6.18
2025-10-07 08:40:15 -07:00
events
Summary of significant series in this pull request:
2025-10-02 18:18:33 -07:00
futex
A set of updates for futexes and related selftests:
2025-09-30 16:07:10 -07:00
gcov
kbuild: require gcc-8 and binutils-2.30
2025-04-30 21:53:35 +02:00
irq
A set of updates for the interrupt core subsystem:
2025-09-30 15:55:25 -07:00
kcsan
Kernel Concurrency Sanitizer (KCSAN) updates for v6.18
2025-10-02 08:31:44 -07:00
livepatch
sched,livepatch: Untangle cond_resched() and live-patching
2025-05-14 13:16:24 +02:00
locking
locking/local_lock: Introduce local_lock_is_locked().
2025-09-29 09:42:35 +02:00
module
kcfi: Rename CONFIG_CFI_CLANG to CONFIG_CFI
2025-09-24 14:29:14 -07:00
power
Merge branches 'pm-core', 'pm-runtime' and 'pm-sleep'
2025-09-29 12:54:01 +02:00
printk
printk changes for 6.18
2025-10-04 11:13:11 -07:00
rcu
refscale: Add non-atomic per-CPU increment readers
2025-11-07 14:37:17 +01:00
sched
Summary of significant series in this pull request:
2025-10-02 18:18:33 -07:00
time
Networking changes for 6.18.
2025-10-02 15:17:01 -07:00
trace
tracing fixes for v6.18:
2025-10-11 16:06:04 -07:00
unwind
unwind: Finish up unwind when a task exits
2025-07-31 10:20:11 -04:00
.gitignore
kheaders: rebuild kheaders_data.tar.xz when a file is modified within a minute
2025-06-24 20:30:37 +09:00
acct.c
kernel/acct.c: saner struct file treatment
2025-09-27 20:13:56 -04:00
async.c
…
audit_fsnotify.c
VFS/audit: introduce kern_path_parent() for audit
2025-09-23 12:37:35 +02:00
audit_tree.c
mount-related stuff for this cycle
2025-10-03 10:19:44 -07:00
audit_watch.c
VFS/audit: introduce kern_path_parent() for audit
2025-09-23 12:37:35 +02:00
audit.c
audit: fix skb leak when audit rate limit is exceeded
2025-09-10 19:55:00 -04:00
audit.h
audit: create audit_stamp structure
2025-08-30 10:15:28 -04:00
auditfilter.c
audit/stable-6.18 PR 20250926
2025-09-30 08:22:16 -07:00
auditsc.c
audit: add record for multiple object contexts
2025-08-30 10:15:30 -04:00
backtracetest.c
…
bounds.c
…
capability.c
…
cfi.c
cfi: Move BPF CFI types and helpers to generic code
2025-07-31 18:23:53 -07:00
compat.c
…
configs.c
…
context_tracking.c
…
cpu_pm.c
…
cpu.c
cpu: Remove obsolete comment from takedown_cpu()
2025-08-06 22:48:12 +02:00
crash_core_test.c
crash: add KUnit tests for crash_exclude_mem_range
2025-09-13 17:32:55 -07:00
crash_core.c
crash: add KUnit tests for crash_exclude_mem_range
2025-09-13 17:32:55 -07:00
crash_dump_dm_crypt.c
crash_dump: retrieve dm crypt keys in kdump kernel
2025-05-21 10:48:21 -07:00
crash_reserve.c
kdump: implement reserve_crashkernel_cma
2025-07-19 19:08:23 -07:00
cred.c
copy_process: pass clone_flags as u64 across calltree
2025-09-01 15:31:34 +02:00
delayacct.c
delayacct: remove redundant code and adjust indentation
2025-05-27 19:40:33 -07:00
dma.c
…
elfcorehdr.c
…
exec_domain.c
…
exit.c
task_stack.h: clean-up stack_not_used() implementation
2025-09-21 14:22:00 -07:00
exit.h
…
extable.c
…
fail_function.c
…
fork.c
Patch series in this pull request:
2025-10-02 18:44:54 -07:00
freezer.c
mm/oom_kill: thaw the entire OOM victim process
2025-09-21 14:22:35 -07:00
gen_kheaders.sh
kheaders: make it possible to override TAR
2025-08-06 10:23:36 +09:00
groups.c
…
hung_task.c
hung_task: dump blocker task if it is not hung
2025-09-13 17:32:43 -07:00
iomem.c
…
irq_work.c
…
jump_label.c
…
kallsyms_internal.h
…
kallsyms_selftest.c
kallsyms: use kmalloc_array() instead of kmalloc()
2025-09-28 11:36:14 -07:00
kallsyms_selftest.h
…
kallsyms.c
bpf: Clean up individual BTF_ID code
2025-07-16 18:34:42 -07:00
kcmp.c
…
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.kexec
crash: add KUnit tests for crash_exclude_mem_range
2025-09-13 17:32:55 -07:00
Kconfig.locks
…
Kconfig.preempt
softirq: Allow to drop the softirq-BKL lock on PREEMPT_RT
2025-09-17 16:25:41 +02:00
kcov.c
kcov: use write memory barrier after memcpy() in kcov_move_area()
2025-09-13 17:32:44 -07:00
kexec_core.c
kexec_core: remove redundant 0 value initialization
2025-09-13 17:32:49 -07:00
kexec_elf.c
…
kexec_file.c
x86/kexec: carry forward the boot DTB on kexec
2025-09-13 17:32:43 -07:00
kexec_handover.c
kho: add support for preserving vmalloc allocations
2025-10-07 13:48:55 -07:00
kexec_internal.h
kexec: enable CMA based contiguous allocation
2025-08-02 12:01:38 -07:00
kexec.c
kexec: enable CMA based contiguous allocation
2025-08-02 12:01:38 -07:00
kheaders.c
…
kprobes.c
kprobes: Add missing kerneldoc for __get_insn_slot
2025-07-15 18:45:34 +09:00
kstack_erase.c
stackleak: Rename stackleak_track_stack to __sanitizer_cov_stack_depth
2025-07-21 21:40:39 -07:00
ksyms_common.c
…
ksysfs.c
…
kthread.c
ipvs: Fix estimator kthreads preferred affinity
2025-08-13 08:34:33 +02:00
latencytop.c
…
Makefile
Patch series in this pull request:
2025-10-02 18:44:54 -07:00
module_signature.c
…
notifier.c
…
nscommon.c
ns: drop assert
2025-09-25 09:23:54 +02:00
nsproxy.c
namespace-6.18-rc1
2025-09-29 11:20:29 -07:00
nstree.c
ns: move ns type into struct ns_common
2025-09-25 09:23:54 +02:00
padata.c
padata: WQ_PERCPU added to alloc_workqueue users
2025-09-13 12:11:06 +08:00
panic.c
panic: remove CONFIG_PANIC_ON_OOPS_VALUE
2025-09-28 11:36:13 -07:00
params.c
params: Replace deprecated strcpy() with strscpy() and memcpy()
2025-08-16 21:47:25 +02:00
pid_namespace.c
namespace-6.18-rc1
2025-09-29 11:20:29 -07:00
pid_sysctl.h
…
pid.c
namespace-6.18-rc1
2025-09-29 11:20:29 -07:00
profile.c
…
ptrace.c
ptrace: introduce PTRACE_SET_SYSCALL_INFO request
2025-05-11 17:48:15 -07:00
range.c
…
reboot.c
…
regset.c
…
relay.c
relayfs: support a counter tracking if data is too big to write
2025-07-09 22:57:52 -07:00
resource_kunit.c
…
resource.c
resource: improve child resource handling in release_mem_region_adjustable()
2025-09-21 14:22:34 -07:00
rseq.c
rseq: Protect event mask against membarrier IPI
2025-09-13 19:51:59 +02:00
scftorture.c
…
scs.c
…
seccomp.c
Performance events updates for v6.18:
2025-09-30 11:11:21 -07:00
signal.c
signal: Fix memory leak for PIDFD_SELF* sentinels
2025-08-19 13:51:28 +02:00
smp.c
smp: Fix up and expand the smp_call_function_many() kerneldoc
2025-09-18 22:21:28 +02:00
smpboot.c
sched/smp: Use the SMP version of idle_thread_set_boot_cpu()
2025-06-13 08:47:20 +02:00
smpboot.h
…
softirq.c
softirq: Allow to drop the softirq-BKL lock on PREEMPT_RT
2025-09-17 16:25:41 +02:00
stacktrace.c
…
static_call_inline.c
…
static_call.c
…
stop_machine.c
sched/core: Fix migrate_swap() vs. hotplug
2025-07-01 15:02:03 +02:00
sys_ni.c
uprobes/x86: Add uprobe syscall to speed up uprobe
2025-08-21 20:09:20 +02:00
sys.c
Patch series in this pull request:
2025-10-02 18:44:54 -07:00
sysctl-test.c
sysctl: move u8 register test to lib/test_sysctl.c
2025-04-14 14:13:41 +02:00
sysctl.c
sysctl: rename kern_table -> sysctl_subsys_table
2025-07-23 11:56:02 +02:00
task_work.c
…
taskstats.c
…
torture.c
torture: Delay CPU-hotplug operations until boot completes
2025-08-14 15:26:30 -07:00
tracepoint.c
…
tsacct.c
pid: change bacct_add_tsk() to use task_ppid_nr_ns()
2025-08-19 13:38:20 +02:00
ucount.c
ucount: use atomic_long_try_cmpxchg() in atomic_long_inc_below()
2025-08-02 12:01:38 -07:00
uid16.c
…
uid16.h
…
umh.c
…
up.c
…
user_namespace.c
ns: move ns type into struct ns_common
2025-09-25 09:23:54 +02:00
user-return-notifier.c
…
user.c
ns: move ns type into struct ns_common
2025-09-25 09:23:54 +02:00
utsname_sysctl.c
…
utsname.c
namespace-6.18-rc1
2025-09-29 11:20:29 -07:00
vhost_task.c
vhost: Take a reference on the task in struct vhost_task.
2025-09-21 17:44:20 -04:00
vmcore_info.c
crash: export PAGE_UNACCEPTED_MAPCOUNT_VALUE to vmcoreinfo
2025-05-11 17:54:04 -07:00
watch_queue.c
…
watchdog_buddy.c
watchdog: fix opencoded cpumask_next_wrap() in watchdog_next_cpu()
2025-07-31 11:28:03 -04:00
watchdog_perf.c
watchdog: skip checks when panic is in progress
2025-09-13 17:32:53 -07:00
watchdog.c
watchdog: skip checks when panic is in progress
2025-09-13 17:32:53 -07:00
workqueue_internal.h
…
workqueue.c
workqueue: WQ_PERCPU added to alloc_workqueue users
2025-09-16 10:33:53 -10:00