Re: linux-2.6.0-test2: Never using pm_idle (CPU wasting power)

From: Christian Vogel (vogel@skunk.physik.uni-erlangen.de)
Date: Fri Aug 01 2003 - 04:18:15 EST


Hi Andrew,

On Thu, Jul 31, 2003 at 03:59:48PM -0700, Andrew Morton wrote:
> Yes, I assume that need_resched() is always false because kernel preemption
> cuts in first. Can you please confirm that you're using CONFIG_PREEMPT,
> and that the problem goes away if CONFIG_PREEMPT is disabled?

Yes I was using PREEMPT, unfortunately the machine is not here right
now so I can't test without it. Your diff is also exactly what I did and
it helped. (I already wrote that).

        Chris

-- 
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