Commit-ID: 53bef3fd47f69e40b52c9f9acd3551dfff9f8702 Gitweb: https://git.kernel.org/tip/53bef3fd47f69e40b52c9f9acd3551dfff9f8702 Author: Frederic Weisbecker <[email protected]> AuthorDate: Mon, 6 Nov 2017 16:01:21 +0100 Committer: Ingo Molnar <[email protected]> CommitDate: Wed, 8 Nov 2017 11:13:49 +0100
timers/hrtimer: 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]> --- kernel/time/hrtimer.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c index 88f75f9..d325208 100644 --- a/kernel/time/hrtimer.c +++ b/kernel/time/hrtimer.c @@ -758,9 +758,7 @@ void clock_was_set(void) */ void hrtimers_resume(void) { - WARN_ONCE(!irqs_disabled(), - KERN_INFO "hrtimers_resume() called with IRQs enabled!"); - + lockdep_assert_irqs_disabled(); /* Retrigger on the local CPU */ retrigger_next_event(NULL); /* And schedule a retrigger for all others */
