diff options
author | Frederic Weisbecker <[email protected]> | 2017-11-06 16:01:22 +0100 |
---|---|---|
committer | Ingo Molnar <[email protected]> | 2017-11-08 11:13:50 +0100 |
commit | 83efcbd028ad3aec36b5a3882cfa32490c135df7 (patch) | |
tree | 069ac8a7cf900c5e1ea53e3a4ed89258cddb148b | |
parent | 53bef3fd47f69e40b52c9f9acd3551dfff9f8702 (diff) |
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 <[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]>
-rw-r--r-- | kernel/smp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/smp.c b/kernel/smp.c index c94dd85c8d41..084c8b3a2681 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); |