Commit a0009652 authored by Andrew Morton's avatar Andrew Morton Committed by Linus Torvalds
Browse files

[PATCH] del_timer_sync(): add cpu_relax() 



Relax the CPU in the del_timer_sync() busywait loop.

Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 52e92e57

kernel/timer.c

+1 −0
Original line number Diff line number Diff line
@@ -374,6 +374,7 @@ int del_timer_sync(struct timer_list *timer) 
		int ret = try_to_del_timer_sync(timer);

		if (ret >= 0)

			return ret;

		cpu_relax();

	}

}