linux-kernel - Re: Lots of bugs with current->state = TASK

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Message-ID: <1264071413.4283.1155.camel@laptop>
Date:	Thu, 21 Jan 2010 11:56:53 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Julia Lawall <julia@...u.dk>, Steven Rostedt <rostedt@...dmis.org>,
	LKML <linux-kernel@...r.kernel.org>,
	kernel-janitors <kernel-janitors@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-arch@...r.kernel.org, Greg KH <greg@...ah.com>,
	Andy Whitcroft <apw@...onical.com>
Subject: Re: Lots of bugs with current->state = TASK_*INTERRUPTIBLE

On Thu, 2010-01-21 at 11:53 +0100, Frederic Weisbecker wrote:

> Looks fine as spin_unlock includes a memory barrier, IIRC.

It doesn't actually, see Documentation/memory-barriers.txt

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