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From: Kirill Tkhai <ktkhai@parallels.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Kirill Tkhai <tkhai@yandex.ru>, Oleg Nesterov <oleg@redhat.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@redhat.com>,
	Vladimir Davydov <vdavydov@parallels.com>
Subject: Re: [PATCH] sched/numa: fix unsafe get_task_struct() in task_numa_assign()
Date: Mon, 20 Oct 2014 12:56:32 +0400	[thread overview]
Message-ID: <1413795392.19914.14.camel@tkhai> (raw)
In-Reply-To: <20141019213821.GH23531@worktop.programming.kicks-ass.net>

В Вс, 19/10/2014 в 23:38 +0200, Peter Zijlstra пишет:
> On Sun, Oct 19, 2014 at 03:13:31AM +0400, Kirill Tkhai wrote:
> 
> I'm too tired for all this, but:
> 
> > +	smp_rmb(); /* Pairs with dst_rq->lock unlocking which implies smp_wmb */
> 
> RELEASE does not imply a WMB.

Thanks, please see, I've sent new version.


      reply	other threads:[~2014-10-20  8:56 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-15 12:31 [PATCH RFC] sched: Revert delayed_put_task_struct() and fix use after free Kirill Tkhai
2014-10-15 15:06 ` Oleg Nesterov
2014-10-15 19:40   ` Oleg Nesterov
2014-10-15 21:46     ` Kirill Tkhai
2014-10-15 22:02       ` Kirill Tkhai
2014-10-16  7:59       ` Peter Zijlstra
2014-10-16  8:16         ` Kirill Tkhai
2014-10-16  9:43           ` Peter Zijlstra
2014-10-16  9:50             ` Kirill Tkhai
2014-10-16  9:51               ` Kirill Tkhai
2014-10-16 10:04                 ` Kirill Tkhai
2014-10-17 21:34       ` Oleg Nesterov
2014-10-16  7:56     ` Peter Zijlstra
2014-10-16  8:01   ` Peter Zijlstra
2014-10-16 22:05     ` Oleg Nesterov
2014-10-17 21:36 ` [PATCH] sched/numa: fix unsafe get_task_struct() in task_numa_assign() Oleg Nesterov
2014-10-18  8:15   ` Kirill Tkhai
2014-10-18  8:33     ` Kirill Tkhai
2014-10-18 19:36       ` Peter Zijlstra
2014-10-18 21:18         ` Oleg Nesterov
2014-10-19  8:20         ` Kirill Tkhai
2014-10-18 20:56     ` Oleg Nesterov
2014-10-18 23:13       ` Kirill Tkhai
2014-10-19 19:24         ` Oleg Nesterov
2014-10-19 19:37           ` Oleg Nesterov
2014-10-19 19:43             ` Oleg Nesterov
2014-10-20  9:03               ` Kirill Tkhai
2014-10-20  9:13             ` Peter Zijlstra
2014-10-20 10:36               ` Kirill Tkhai
2014-10-20  9:00           ` Kirill Tkhai
2014-10-19 21:38         ` Peter Zijlstra
2014-10-20  8:56           ` Kirill Tkhai [this message]

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