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| author | Frederic Weisbecker <frederic@kernel.org> | 2017-11-06 16:01:22 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-11-08 11:13:50 +0100 |
| commit | 83efcbd028ad3aec36b5a3882cfa32490c135df7 (patch) | |
| tree | 069ac8a7cf900c5e1ea53e3a4ed89258cddb148b /kernel | |
| parent | timers/hrtimer: Use lockdep to assert IRQs are disabled/enabled (diff) | |
| download | linux-83efcbd028ad3aec36b5a3882cfa32490c135df7.tar.xz linux-83efcbd028ad3aec36b5a3882cfa32490c135df7.zip | |
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@kernel.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: David S . Miller <davem@davemloft.net>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tejun Heo <tj@kernel.org>
Link: http://lkml.kernel.org/r/1509980490-4285-7-git-send-email-frederic@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel')
| -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); |