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Subject: Re: [BUG] Race condition with it_real_fn in kernel/itimer.c
From: Steven Rostedt <rostedt@goodmis.org>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>, Andrew Morton <akpm@osdl.org>
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Organization: Kihon Technologies
Date: Wed, 15 Jun 2005 13:35:23 -0400
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On Wed, 2005-06-15 at 12:23 -0400, Steven Rostedt wrote:

> 
> 	for_each_online_cpu(i) {
> 		base = &per_cpu(tvec_bases, i);
> 		if (base->running_timer == timer) {
> 			while (base->running_timer == timer) {
> 				cpu_relax();
> 				preempt_check_resched();
> 			}
> 			break;
> 		}
> 	}
> 
> If the timer hasn't gone off yet on another cpu, it will spin until it
> is finished. Now here's the problem:

This was suppose to say...

If the timer is currently going off on another cpu.


-- Steve