Commit-ID: 83efcbd028ad3aec36b5a3882cfa32490c135df7 Gitweb: https://git.kernel.org/tip/83efcbd028ad3aec36b5a3882cfa32490c135df7 Author: Frederic Weisbecker <frederic@xxxxxxxxxx> AuthorDate: Mon, 6 Nov 2017 16:01:22 +0100 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitDate: Wed, 8 Nov 2017 11:13:50 +0100 smp/core: 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@xxxxxxxxxx> Acked-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: David S . Miller <davem@xxxxxxxxxxxxx> Cc: Lai Jiangshan <jiangshanlai@xxxxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Cc: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Tejun Heo <tj@xxxxxxxxxx> Link: http://lkml.kernel.org/r/1509980490-4285-7-git-send-email-frederic@xxxxxxxxxx Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- kernel/smp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/smp.c b/kernel/smp.c index c94dd85..084c8b3 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -213,7 +213,7 @@ static void flush_smp_call_function_queue(bool warn_cpu_offline) call_single_data_t *csd, *csd_next; static bool warned; - WARN_ON(!irqs_disabled()); + lockdep_assert_irqs_disabled(); head = this_cpu_ptr(&call_single_queue); entry = llist_del_all(head); -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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