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Date: Thu, 28 Nov 2013 14:41:24 +0100
From: Peter Zijlstra <peterz@infradead.org>
To: Oleg Nesterov <oleg@redhat.com>
Cc: Tejun Heo <htejun@gmail.com>, zhang.yi20@zte.com.cn,
        lkml <linux-kernel@vger.kernel.org>,
        Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
        Ingo Molnar <mingo@redhat.com>
Subject: Re: [PATCH]: exec: avoid propagating PF_NO_SETAFFINITY into
 userspace child
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On Thu, Nov 28, 2013 at 02:31:52PM +0100, Oleg Nesterov wrote:
> I _guess_ usermodehelper_init() should use WQ_SYSFS then, and in this case
> the user can write to wq_cpumask_store somewhere in /sys/.

WTF is that and why are we creating alternative affinity interfaces when
sched_setaffinity() is a prefectly fine one?