Commit-ID: 3c7169a3bf8216a56761a8edf775072dd36a00a0 Gitweb: https://git.kernel.org/tip/3c7169a3bf8216a56761a8edf775072dd36a00a0 Author: Frederic Weisbecker <[email protected]> AuthorDate: Mon, 6 Nov 2017 16:01:26 +0100 Committer: Ingo Molnar <[email protected]> CommitDate: Wed, 8 Nov 2017 11:13:52 +0100
irq_work: 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/irq_work.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/irq_work.c b/kernel/irq_work.c index bcf107c..8995796 100644 --- a/kernel/irq_work.c +++ b/kernel/irq_work.c @@ -188,7 +188,7 @@ void irq_work_tick(void) */ void irq_work_sync(struct irq_work *work) { - WARN_ON_ONCE(irqs_disabled()); + lockdep_assert_irqs_enabled(); while (work->flags & IRQ_WORK_BUSY) cpu_relax();
