linux-kernel - Re: [PATCH 0/2] sched/wait: abort_exclusive_wait() should pass TASK_NORMAL to wake

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Message-ID: <20160901110319.GH10138@twins.programming.kicks-ass.net>
Date:   Thu, 1 Sep 2016 13:03:19 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Oleg Nesterov <oleg@...hat.com>
Cc:     Ingo Molnar <mingo@...nel.org>, Al Viro <viro@...IV.linux.org.uk>,
        Bart Van Assche <bvanassche@....org>,
        Johannes Weiner <hannes@...xchg.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Neil Brown <neilb@...e.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/2] sched/wait: abort_exclusive_wait() should pass
 TASK_NORMAL to wake_up()

On Fri, Aug 26, 2016 at 02:44:53PM +0200, Oleg Nesterov wrote:
> And this reminds me... I still fail to understand why/how the commit
> 68985633bccb60 "sched/wait: Fix signal handling in bit wait helpers"
> can help. Apart from s/return 1/return -EINTR/. Peter, do you have any
> theory?

No, I was (and still am) completely puzzled by that one.