diff options
| author |   Frederic Weisbecker <frederic@kernel.org> | 2017-11-06 16:01:27 +0100 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2017-11-08 11:13:53 +0100 |
| commit | 2c11dba00a39007b457c7607c1b1a4db95ca04bc (patch) | |
| tree | 52bda95ce839c83afad41125a5bf9fc2e1b2712e /kernel/sched/clock.c | |
| parent | irq_work: Use lockdep to assert IRQs are disabled/enabled (diff) | |
| download | linux-dev-2c11dba00a39007b457c7607c1b1a4db95ca04bc.tar.xz linux-dev-2c11dba00a39007b457c7607c1b1a4db95ca04bc.zip | |
sched/clock, sched/cputime: Use lockdep to assert IRQs are disabled/enabled
Use lockdep to check that IRQs are enabled or disabled as expected. This
way the sanity check only shows overhead when concurrency correctness
debug code is enabled.
Signed-off-by: Frederic Weisbecker <frederic@kernel.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: David S . Miller <davem@davemloft.net>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tejun Heo <tj@kernel.org>
Link: http://lkml.kernel.org/r/1509980490-4285-12-git-send-email-frederic@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/sched/clock.c')
| -rw-r--r-- | kernel/sched/clock.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/clock.c b/kernel/sched/clock.c index ca0f8fc945c6..e086babe6c61 100644 --- a/kernel/sched/clock.c +++ b/kernel/sched/clock.c @@ -388,7 +388,7 @@ void sched_clock_tick(void) if (unlikely(!sched_clock_running)) return; - WARN_ON_ONCE(!irqs_disabled()); + lockdep_assert_irqs_disabled(); scd = this_scd(); __scd_stamp(scd); |