diff options
| author | Frederic Weisbecker <[email protected]> | 2017-11-06 16:01:25 +0100 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2017-11-08 11:13:52 +0100 |
| commit | a934d4d15f040cdd254350e7270b35cc7521e12e (patch) | |
| tree | 365b9f6d5c6b381734c756a6c7ab4957094241f1 | |
| parent | 164446455a5d3f1402b5a0ea42acce33fd576ed7 (diff) | |
irq/timings: 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 <[email protected]>
Acked-by: Thomas Gleixner <[email protected]>
Cc: David S . Miller <[email protected]>
Cc: Lai Jiangshan <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Paul E. McKenney <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Tejun Heo <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | kernel/irq/timings.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/irq/timings.c b/kernel/irq/timings.c index c8c1d073fbf1..e0923fa4927a 100644 --- a/kernel/irq/timings.c +++ b/kernel/irq/timings.c @@ -264,7 +264,7 @@ u64 irq_timings_next_event(u64 now) * order to prevent the timings circular buffer to be updated * while we are reading it. */ - WARN_ON_ONCE(!irqs_disabled()); + lockdep_assert_irqs_disabled(); /* * Number of elements in the circular buffer: If it happens it |