Commit d243769d authored Aug 27, 2007 by Hugh Dickins Committed by Linus Torvalds Aug 27, 2007

fix bogus hotplug cpu warning

Fix bogus DEBUG_PREEMPT warning on x86_64, when cpu brought online after
bootup: current_is_keventd is right to note its use of smp_processor_id
is preempt-safe, but should use raw_smp_processor_id to avoid the warning.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 721ebe00

kernel/workqueue.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -635,7 +635,7 @@ int keventd_up(void)
		int current_is_keventd(void)
		{
		struct cpu_workqueue_struct *cwq;
		int cpu = smp_processor_id(); /* preempt-safe: keventd is per-cpu */
		int cpu = raw_smp_processor_id(); /* preempt-safe: keventd is per-cpu */
		int ret = 0;

		BUG_ON(!keventd_wq);

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