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| author | Frederic Weisbecker <frederic@kernel.org> | 2017-11-06 18:01:25 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-11-08 13:13:52 +0300 |
| commit | a934d4d15f040cdd254350e7270b35cc7521e12e (patch) | |
| tree | 365b9f6d5c6b381734c756a6c7ab4957094241f1 /kernel/irq/timings.c | |
| parent | 164446455a5d3f1402b5a0ea42acce33fd576ed7 (diff) | |
| download | linux-a934d4d15f040cdd254350e7270b35cc7521e12e.tar.xz | |
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 <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/1509980490-4285-10-git-send-email-frederic@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/irq/timings.c')
| -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 |