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Date:	Thu, 01 Jul 2010 14:46:35 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Sridhar Samudrala <sri@...ibm.com>,
	Tejun Heo <tj@...nel.org>, Oleg Nesterov <oleg@...hat.com>,
	netdev <netdev@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>,
	"kvm@...r.kernel.org" <kvm@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Dmitri Vorobiev <dmitri.vorobiev@...ial.com>,
	Jiri Kosina <jkosina@...e.cz>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH repost] sched: export sched_set/getaffinity to modules

On Thu, 2010-07-01 at 14:34 +0200, Peter Zijlstra wrote:
> On Thu, 2010-07-01 at 15:23 +0300, Michael S. Tsirkin wrote:
> > 
> > The patch using this is here:
> > http://www.mail-archive.com/kvm@vger.kernel.org/msg35411.html
> > 
> > It simply copies the affinity from the parent when thread is created.
> 
> Sounds like policy, not something the kernel should do..

The alternative would be using clone() instead of thread_create() and
inherit everything from the creating task. Inheriting from kthreadd and
then undoing some aspects just sounds like daft policy that really ought
to be in userspace.
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