Commit-ID: 53bef3fd47f69e40b52c9f9acd3551dfff9f8702 Gitweb: https://git.kernel.org/tip/53bef3fd47f69e40b52c9f9acd3551dfff9f8702 Author: Frederic Weisbecker <frede...@kernel.org> AuthorDate: Mon, 6 Nov 2017 16:01:21 +0100 Committer: Ingo Molnar <mi...@kernel.org> 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 <frede...@kernel.org> Acked-by: Thomas Gleixner <t...@linutronix.de> Cc: David S . Miller <da...@davemloft.net> Cc: Lai Jiangshan <jiangshan...@gmail.com> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Paul E. McKenney <paul...@linux.vnet.ibm.com> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Tejun Heo <t...@kernel.org> Link: http://lkml.kernel.org/r/1509980490-4285-6-git-send-email-frede...@kernel.org Signed-off-by: Ingo Molnar <mi...@kernel.org> --- 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 */
