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kernel_arpi/kernel
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Jakub Kicinski b92e793bbe locking/static_key: Factor out the fast path of static_key_slow_dec() 
static_key_slow_dec() checks if the atomic enable count is larger
than 1, and if so there decrements it before taking the jump_label_lock.
Move this logic into a helper for reuse in rate limitted keys.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: alexei.starovoitov@gmail.com
Cc: ard.biesheuvel@linaro.org
Cc: oss-drivers@netronome.com
Cc: yamada.masahiro@socionext.com
Link: https://lkml.kernel.org/r/20190330000854.30142-3-jakub.kicinski@netronome.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2019-04-29 08:29:21 +02:00
..
bpf
xdp: fix cpumap redirect SKB creation bug
2019-03-29 12:15:02 -07:00
cgroup
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-03-12 14:08:19 -07:00
configs
kvm_config: add CONFIG_VIRTIO_MENU
2018-10-24 20:55:56 -04:00
debug
kdb: use bool for binary state indicators
2018-12-30 08:31:52 +00:00
dma
memblock: drop memblock_alloc_*_nopanic() variants
2019-03-12 10:04:02 -07:00
events
Merge tag 'perf-core-for-mingo-5.1-20190311' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
2019-03-22 22:50:41 +01:00
gcov
kernel/gcov/gcc_3_4.c: use struct_size() in kzalloc()
2019-03-07 18:32:02 -08:00
irq
genirq: Mark expected switch case fall-through
2019-03-23 12:32:01 +01:00
livepatch
Merge branch 'for-5.1/atomic-replace' into for-linus
2019-03-05 15:56:59 +01:00
locking
locking/lockdep: Test all incompatible scenarios at once in check_irq_usage()
2019-04-29 08:29:20 +02:00
power
treewide: add checks for the return value of memblock_alloc*()
2019-03-12 10:04:02 -07:00
printk
Merge tag 'fbdev-v5.1' of git://github.com/bzolnier/linux
2019-03-15 14:22:59 -07:00
rcu
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-03-06 07:59:36 -08:00
sched
Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-03-24 11:42:10 -07:00
time
time/jiffies: Make refined_jiffies static
2019-03-22 13:38:26 +01:00
trace
syscalls: Remove start and number from syscall_get_arguments() args
2019-04-05 09:26:43 -04:00
.gitignore
kernel/configs: use .incbin directive to embed config_data.gz
2019-03-07 18:32:02 -08:00
acct.c
…
async.c
async: Add support for queueing on specific NUMA node
2019-01-31 14:20:54 +01:00
audit_fsnotify.c
audit: add syscall information to CONFIG_CHANGE records
2019-01-18 17:53:29 -05:00
audit_tree.c
audit: hand taken context to audit_kill_trees for syscall logging
2019-01-14 18:01:05 -05:00
audit_watch.c
audit: add syscall information to CONFIG_CHANGE records
2019-01-18 17:53:29 -05:00
audit.c
audit: remove audit_context when CONFIG_ AUDIT and not AUDITSYSCALL
2019-02-03 17:49:35 -05:00
audit.h
audit: hide auditsc_get_stamp and audit_serial prototypes
2019-02-07 21:44:27 -05:00
auditfilter.c
audit: mark expected switch fall-through
2019-02-12 20:17:13 -05:00
auditsc.c
audit: remove audit_context when CONFIG_ AUDIT and not AUDITSYSCALL
2019-02-03 17:49:35 -05:00
backtracetest.c
…
bounds.c
kbuild: fix kernel/bounds.c 'W=1' warning
2018-10-31 08:54:14 -07:00
capability.c
LSM: add SafeSetID module that gates setid calls
2019-01-25 11:22:43 -08:00
compat.c
time: make adjtime compat handling available for 32 bit
2019-02-07 00:13:27 +01:00
configs.c
kernel/configs: use .incbin directive to embed config_data.gz
2019-03-07 18:32:02 -08:00
context_tracking.c
…
cpu_pm.c
…
cpu.c
cpu/hotplug: Prevent crash when CPU bringup fails on CONFIG_HOTPLUG_CPU=n
2019-03-28 13:34:58 +01:00
crash_core.c
kexec: export PG_offline to VMCOREINFO
2019-03-05 21:07:14 -08:00
crash_dump.c
…
cred.c
SELinux: Remove cred security blob poisoning
2019-01-08 13:18:44 -08:00
delayacct.c
delayacct: track delays from thrashing cache pages
2018-10-26 16:26:32 -07:00
dma.c
…
elfcore.c
…
exec_domain.c
…
exit.c
Merge branch 'for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2019-03-07 10:11:41 -08:00
extable.c
…
fail_function.c
kernel/fail_function.c: remove meaningless null pointer check before debugfs_remove_recursive
2018-10-31 08:54:12 -07:00
fork.c
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
2019-03-09 15:53:03 -08:00
freezer.c
…
futex.c
futex: Ensure that futex address is aligned in handle_futex_death()
2019-03-22 13:05:26 +01:00
groups.c
…
hung_task.c
kernel/hung_task.c: Use continuously blocked time when reporting.
2019-03-07 18:31:59 -08:00
iomem.c
…
irq_work.c
…
jump_label.c
locking/static_key: Factor out the fast path of static_key_slow_dec()
2019-04-29 08:29:21 +02:00
kallsyms.c
bpf: Add module name [bpf] to ksymbols for bpf programs
2019-01-21 17:38:56 -03:00
kcmp.c
…
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
locking/rwsem: Remove rwsem-spinlock.c & use rwsem-xadd.c for all archs
2019-04-03 14:50:52 +02:00
Kconfig.preempt
kconfig: warn no new line at end of file
2018-12-15 17:44:35 +09:00
kcov.c
kcov: convert kcov.refcount to refcount_t
2019-03-07 18:32:02 -08:00
kexec_core.c
mm: convert totalram_pages and totalhigh_pages variables to atomic
2018-12-28 12:11:47 -08:00
kexec_file.c
kexec_file: kexec_walk_memblock() only walks a dedicated region at kdump
2018-12-06 14:38:50 +00:00
kexec_internal.h
…
kexec.c
…
kmod.c
…
kprobes.c
kprobes: Search non-suffixed symbol in blacklist
2019-02-13 08:16:40 +01:00
ksysfs.c
…
kthread.c
Merge branch 'akpm' (patches from Andrew)
2019-03-06 10:31:36 -08:00
latencytop.c
…
Makefile
kernel/configs: use .incbin directive to embed config_data.gz
2019-03-07 18:32:02 -08:00
memremap.c
mm/hmm: fix memremap.h, move dev_page_fault_t callback to hmm
2018-12-28 12:11:52 -08:00
module_signing.c
modsign: use all trusted keys to verify module signature
2018-11-07 14:41:41 +01:00
module-internal.h
…
module.c
dynamic_debug: add static inline stub for ddebug_add_module
2019-03-07 18:32:00 -08:00
notifier.c
…
nsproxy.c
…
padata.c
padata: clean an indentation issue, remove extraneous space
2018-11-16 14:11:04 +08:00
panic.c
kernel/panic.c: taint: fix debugfs_simple_attr.cocci warnings
2019-03-07 18:31:59 -08:00
params.c
…
pid_namespace.c
signal: Use group_send_sig_info to kill all processes in a pid namespace
2018-09-16 16:08:25 +02:00
pid.c
Fix failure path in alloc_pid()
2018-12-28 12:42:30 -08:00
profile.c
mm: remove include/linux/bootmem.h
2018-10-31 08:54:16 -07:00
ptrace.c
ptrace: take into account saved_sigmask in PTRACE{GET,SET}SIGMASK
2019-03-29 10:01:37 -07:00
range.c
…
reboot.c
kernel/reboot.c: export pm_power_off_prepare
2018-09-11 16:13:24 +01:00
relay.c
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2019-03-12 13:27:20 -07:00
resource.c
Merge tag 'devdax-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2019-03-16 13:05:32 -07:00
rseq.c
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
seccomp.c
syscalls: Remove start and number from syscall_get_arguments() args
2019-04-05 09:26:43 -04:00
signal.c
signal: don't silently convert SI_USER signals to non-current pidfd
2019-04-01 23:03:18 +02:00
smp.c
cpu/hotplug: Fix "SMT disabled by BIOS" detection for KVM
2019-01-30 19:27:00 +01:00
smpboot.c
…
smpboot.h
…
softirq.c
softirq: Don't skip softirq execution when softirq thread is parking
2019-02-10 21:51:39 +01:00
stackleak.c
stackleak: Mark stackleak_track_stack() as notrace
2018-12-05 19:31:44 -08:00
stacktrace.c
…
stop_machine.c
…
sys_ni.c
Merge tag 'pidfd-v5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
2019-03-16 13:47:14 -07:00
sys.c
Merge branch 'akpm' (patches from Andrew)
2019-03-07 19:25:37 -08:00
sysctl_binary.c
kernel/sysctl: add panic_print into sysctl
2019-01-04 13:13:47 -08:00
sysctl.c
kernel/sysctl.c: fix out-of-bounds access when setting file-max
2019-04-05 16:02:31 -10:00
task_work.c
…
taskstats.c
…
test_kprobes.c
…
torture.c
Merge branches 'doc.2019.01.26a', 'fixes.2019.01.26a', 'sil.2019.01.26a', 'spdx.2019.02.09a', 'srcu.2019.01.26a' and 'torture.2019.01.26a' into HEAD
2019-02-09 08:47:52 -08:00
tracepoint.c
tracing: Replace synchronize_sched() and call_rcu_sched()
2018-11-27 09:21:41 -08:00
tsacct.c
…
ucount.c
…
uid16.c
…
uid16.h
…
umh.c
umh: add exit routine for UMH process
2019-01-11 18:05:40 -08:00
up.c
smp,cpumask: introduce on_each_cpu_cond_mask
2018-10-09 16:51:11 +02:00
user_namespace.c
userns: also map extents in the reverse map to kernel IDs
2018-11-07 23:51:16 -06:00
user-return-notifier.c
…
user.c
userns: use irqsave variant of refcount_dec_and_lock()
2018-08-22 10:52:47 -07:00
utsname_sysctl.c
…
utsname.c
…
watchdog_hld.c
watchdog: Mark watchdog touch functions as notrace
2018-08-30 12:56:40 +02:00
watchdog.c
watchdog: Respect watchdog cpumask on CPU hotplug
2019-03-28 13:32:01 +01:00
workqueue_internal.h
psi: fix aggregation idle shut-off
2019-02-01 15:46:23 -08:00
workqueue.c
workqueue: Only unregister a registered lockdep key
2019-03-21 12:00:18 +01:00