linux-kernel - Re: [patch] sched: prevent bound kthreads from changing cpus

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Date:	Tue, 10 Jun 2008 12:28:58 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	David Rientjes <rientjes@...gle.com>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Paul Menage <menage@...gle.com>, Paul Jackson <pj@....com>,
	linux-kernel@...r.kernel.org
Subject: Re: [patch] sched: prevent bound kthreads from changing
	cpus_allowed


* David Rientjes <rientjes@...gle.com> wrote:

> Kthreads that have called kthread_bind() are bound to specific cpus, 
> so other tasks should not be able to change their cpus_allowed from 
> under them.  Otherwise, it is possible to move kthreads, such as the 
> migration or software watchdog threads, so they are not allowed access 
> to the cpu they work on.

applied to tip/sched-devel, thanks David.

	Ingo
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