[PATCH] del_timer_sync(): add cpu_relax() · a0009652af - Gogs

[PATCH] del_timer_sync(): add cpu_relax()

Relax the CPU in the del_timer_sync() busywait loop.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

Andrew Morton 19 years ago

parent

52e92e5788

commit

a0009652af

1 changed files with 1 additions and 0 deletions

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							+ 1
							
							- 0
						
kernel/timer.c
							 
								View File
							
				@@ -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();
			
				 	}
			
				 }