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Paul E. McKenney faa059c397 rcu: Optimize and protect atomic_cmpxchg() loop 
This commit reworks the atomic_cmpxchg() loop in rcu_eqs_special_set()
to do only the initial read from the current CPU's rcu_data structure's
->dynticks field explicitly.  On subsequent passes, this value is instead
retained from the failing atomic_cmpxchg() operation.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
2020-02-20 15:58:23 -08:00
..
bpf
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-02-08 17:15:08 -08:00
cgroup
Merge branch 'merge.nfs-fs_parse.1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-02-08 13:26:41 -08:00
configs
…
debug
Revert "kdb: Get rid of confusing diag msg from "rd" if current task has no regs"
2020-02-06 11:40:09 +00:00
dma
lib/genalloc.c: rename addr_in_gen_pool to gen_pool_has_addr
2019-12-04 19:44:13 -08:00
events
Merge tag 'perf-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-02-09 12:04:09 -08:00
gcov
Revert "um: Enable CONFIG_CONSTRUCTORS"
2020-01-19 22:42:06 +01:00
irq
Merge tag 'x86-urgent-2020-02-09' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-02-09 12:11:12 -08:00
livepatch
Merge tag 'trace-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
2019-11-27 11:42:01 -08:00
locking
locking/rtmutex: rcu: Add WRITE_ONCE() to rt_mutex ->owner
2020-02-20 15:58:22 -08:00
power
Merge back new material related to system-wide PM for v5.6.
2020-01-23 16:00:56 +01:00
printk
printk: fix exclusive_console replaying
2020-01-02 16:15:04 +01:00
rcu
rcu: Optimize and protect atomic_cmpxchg() loop
2020-02-20 15:58:23 -08:00
sched
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
time
timer: Use hlist_unhashed_lockless() in timer_pending()
2020-02-20 15:58:22 -08:00
trace
Merge tag 'trace-v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
2020-02-06 07:12:11 +00:00
.gitignore
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acct.c
acct: stop using get_seconds()
2019-12-18 18:07:31 +01:00
async.c
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audit_fsnotify.c
…
audit_tree.c
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audit_watch.c
audit_get_nd(): don't unlock parent too early
2019-11-10 11:56:55 -05:00
audit.c
audit: Add __rcu annotation to RCU pointer
2019-12-09 15:19:03 -05:00
audit.h
…
auditfilter.c
…
auditsc.c
Revert "bpf: Emit audit messages upon successful prog load and unload"
2019-11-23 09:56:02 -08:00
backtracetest.c
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bounds.c
…
capability.c
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compat.c
y2038: itimer: compat handling to itimer.c
2019-11-15 14:38:30 +01:00
configs.c
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
context_tracking.c
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cpu_pm.c
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cpu.c
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-01-28 10:07:09 -08:00
crash_core.c
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crash_dump.c
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cred.c
Merge branch 'dhowells' (patches from DavidH)
2020-01-14 09:56:31 -08:00
delayacct.c
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dma.c
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elfcore.c
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exec_domain.c
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exit.c
Merge tag 'for-linus-2020-01-03' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
2020-01-03 11:17:14 -08:00
extable.c
bpf: Allow to resolve bpf trampoline and dispatcher in unwind
2020-01-25 07:12:40 -08:00
fail_function.c
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fork.c
Merge tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
2020-01-29 19:56:50 -08:00
freezer.c
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futex.c
futex: Fix kernel-doc notation warning
2020-01-09 13:23:40 +01:00
gen_kheaders.sh
kheaders: explain why include/config/autoconf.h is excluded from md5sum
2019-11-11 20:10:01 +09:00
groups.c
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hung_task.c
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iomem.c
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irq_work.c
irq_work: Fix IRQ_WORK_BUSY bit clearing
2019-11-15 10:48:37 +01:00
jump_label.c
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kallsyms.c
Merge tag 'kbuild-v5.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2020-02-09 16:05:50 -08:00
kcmp.c
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Kconfig.freezer
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Kconfig.hz
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Kconfig.locks
sched/rt, locking: Use CONFIG_PREEMPTION
2019-12-08 14:37:36 +01:00
Kconfig.preempt
sched/Kconfig: Fix spelling mistake in user-visible help text
2019-11-12 11:35:32 +01:00
kcov.c
kcov: remote coverage support
2019-12-04 19:44:14 -08:00
kexec_core.c
kexec: add machine_kexec_post_load()
2020-01-08 16:32:55 +00:00
kexec_elf.c
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kexec_file.c
kexec: add machine_kexec_post_load()
2020-01-08 16:32:55 +00:00
kexec_internal.h
kexec: add machine_kexec_post_load()
2020-01-08 16:32:55 +00:00
kexec.c
kexec: add machine_kexec_post_load()
2020-01-08 16:32:55 +00:00
kheaders.c
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kmod.c
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kprobes.c
kprobes: Fix optimize_kprobe()/unoptimize_kprobe() cancellation logic
2020-01-09 12:40:13 +01:00
ksysfs.c
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kthread.c
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latencytop.c
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
Makefile
kcov: ignore fault-inject and stacktrace
2020-01-31 10:30:41 -08:00
module_signature.c
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module_signing.c
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module-internal.h
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module.c
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
notifier.c
kernel/notifier.c: remove blocking_notifier_chain_cond_register()
2019-12-04 19:44:12 -08:00
nsproxy.c
ns: Introduce Time Namespace
2020-01-14 12:20:48 +01:00
padata.c
padata: update documentation
2019-12-11 16:37:02 +08:00
panic.c
locking/refcount: Remove unused 'refcount_error_report()' function
2019-11-25 09:15:42 +01:00
params.c
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pid_namespace.c
fork: extend clone3() to support setting a PID
2019-11-15 23:49:22 +01:00
pid.c
pid: Implement pidfd_getfd syscall
2020-01-13 21:49:36 +01:00
profile.c
proc: convert everything to "struct proc_ops"
2020-02-04 03:05:26 +00:00
ptrace.c
ptrace: reintroduce usage of subjective credentials in ptrace_has_cap()
2020-01-18 13:51:39 +01:00
range.c
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reboot.c
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relay.c
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resource.c
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rseq.c
rseq: Reject unknown flags on rseq unregister
2019-12-25 10:41:20 +01:00
seccomp.c
seccomp: Check that seccomp_notif is zeroed out by the user
2020-01-02 13:03:45 -08:00
signal.c
sched.h: Annotate sighand_struct with __rcu
2020-01-26 10:54:47 +01:00
smp.c
smp: Remove superfluous cond_func check in smp_call_function_many_cond()
2020-01-28 15:43:00 +01:00
smpboot.c
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smpboot.h
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softirq.c
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stackleak.c
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stacktrace.c
stacktrace: Get rid of unneeded '!!' pattern
2019-11-11 10:30:59 +01:00
stop_machine.c
stop_machine: Make stop_cpus() static
2020-01-17 10:19:21 +01:00
sys_ni.c
y2038: allow disabling time32 system calls
2019-11-15 14:38:30 +01:00
sys.c
prctl: PR_{G,S}ET_IO_FLUSHER to support controlling memory reclaim
2020-01-28 10:09:51 +01:00
sysctl_binary.c
sysctl: Remove the sysctl system call
2019-11-26 13:03:56 -06:00
sysctl-test.c
kunit: allow kunit tests to be loaded as a module
2020-01-09 16:42:29 -07:00
sysctl.c
rcu: Make PREEMPT_RCU be a modifier to TREE_RCU
2019-12-09 12:37:51 -08:00
task_work.c
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taskstats.c
taskstats: fix data-race
2019-12-04 15:18:39 +01:00
test_kprobes.c
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torture.c
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tracepoint.c
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tsacct.c
tsacct: add 64-bit btime field
2019-12-18 18:07:31 +01:00
ucount.c
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uid16.c
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uid16.h
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umh.c
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up.c
smp/up: Make smp_call_function_single() match SMP semantics
2020-02-07 15:34:12 +01:00
user_namespace.c
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user-return-notifier.c
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user.c
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utsname_sysctl.c
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utsname.c
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watchdog_hld.c
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watchdog.c
watchdog/softlockup: Enforce that timestamp is valid on boot
2020-01-17 11:19:22 +01:00
workqueue_internal.h
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workqueue.c
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-01-28 10:07:09 -08:00