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()
Date: Wed, 27 Jan 2016 18:54:27 +0100 [thread overview]
Message-ID: <20160127175427.GW6357@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20160127164154.GB14320@redhat.com>
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 :/
next prev parent reply other threads:[~2016-01-27 17:54 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-25 15:21 Sasha Levin
2016-01-25 19:09 ` Oleg Nesterov
2016-01-25 19:37 ` Peter Zijlstra
2016-02-25 3:18 ` Al Viro
2016-02-25 8:11 ` Peter Zijlstra
2016-02-25 17:34 ` Al Viro
2016-01-25 21:32 ` Andrew Morton
2016-01-26 21:10 ` Oleg Nesterov
2016-01-27 8:44 ` Peter Zijlstra
2016-01-27 16:41 ` Oleg Nesterov
2016-01-27 17:54 ` Peter Zijlstra [this message]
2016-01-27 18:39 ` Andrew Morton
2016-01-27 21:07 ` Oleg Nesterov
2016-01-27 17:24 ` Sasha Levin
2016-01-26 6:44 ` Ingo Molnar
2016-01-26 15:05 ` Oleg Nesterov
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