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SubjectRe: [PATCH] sched: fix need_resched() when checking peempt
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On Tue, May 24, 2011 at 9:39 PM, Steven Rostedt <rostedt@goodmis.org> wrote:
> On Tue, 2011-05-24 at 21:27 +0800, Hillf Danton wrote:
>> When checking if current task could be preempted by a newly woken task,
>> further check could be bypassed if the current thread is different from
>> the current task of run-queue, and it is corrected accordingly.
>
> Ug, that change log is an obfuscated mess. But looking at the actual
> patch, I figured what you wanted to say. How about this:
>
> ----
> The RT preempt check tests the wrong task if NEED_RESCHED is set. It
> currently checks the local CPU task. It is suppose to check the task
> that is running on the run queue we are about to wake another task on.
> ----
>
Thanks, it is great changelog:)

Hillf


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