Re: 2.6.8.1-mm2
From: Ingo Molnar (mingo_at_elte.hu)
Date: 08/20/04
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Date: Fri, 20 Aug 2004 10:59:23 +0200 To: Srivatsa Vaddagiri <vatsa@in.ibm.com>
* Srivatsa Vaddagiri <vatsa@in.ibm.com> wrote:
> Is it possible to modify release_task to not remove self-reaping tasks
> from the list (and possibly have it removed during
> finish_task_switch)?
>
> This should solve the hotplug race as well as keep the current
> optimization?
see the patch i just sent - it disables hotplug in that critical
self-reap section.
(another solution would be for the hotplug code to also look into the
local runqueue for tasks to migrate, not only the tasklist.)
Ingo
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