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| author | Peter Zijlstra <peterz@infradead.org> | 2017-03-13 13:46:21 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-03-23 07:31:48 +0100 |
| commit | 71fdb70eb48784c1f28cdf2e67c4c587dd7f2594 (patch) | |
| tree | 4df2510a131df21ac31d649fd792b5acae47c78b /arch/x86/include/asm | |
| parent | mm, swap: Remove WARN_ON_ONCE() in free_swap_slot() (diff) | |
| download | linux-71fdb70eb48784c1f28cdf2e67c4c587dd7f2594.tar.xz linux-71fdb70eb48784c1f28cdf2e67c4c587dd7f2594.zip | |
sched/clock: Fix clear_sched_clock_stable() preempt wobbly
Paul reported a problems with clear_sched_clock_stable(). Since we run
all of __clear_sched_clock_stable() from workqueue context, there's a
preempt problem.
Solve it by only running the static_key_disable() from workqueue.
Reported-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: fweisbec@gmail.com
Link: http://lkml.kernel.org/r/20170313124621.GA3328@twins.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm')
0 files changed, 0 insertions, 0 deletions