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Date: Wed, 27 Jan 2016 18:54:27 +0100
From: Peter Zijlstra <peterz@infradead.org>
To: Oleg Nesterov <oleg@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
        Sasha Levin <sasha.levin@oracle.com>, linux-kernel@vger.kernel.org,
        mingo@kernel.org
Subject: Re: [PATCH] signals: work around random wakeups in sigsuspend()
Message-ID: <20160127175427.GW6357@twins.programming.kicks-ass.net>
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On Wed, Jan 27, 2016 at 05:41:54PM +0100, Oleg Nesterov wrote:
> Why? It should work either way. Yes, signal_wakeup() can come right before
> __set_current_state(TASK_INTERRUPTIBLE) but this is fine, __schedule() must not
> sleep if signal_pending() == T,


Urgh yes, I always forget this :/