Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755278Ab0AUK5H (ORCPT ); Thu, 21 Jan 2010 05:57:07 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755060Ab0AUK5D (ORCPT ); Thu, 21 Jan 2010 05:57:03 -0500 Received: from casper.infradead.org ([85.118.1.10]:40679 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754484Ab0AUK47 (ORCPT ); Thu, 21 Jan 2010 05:56:59 -0500 Subject: Re: Lots of bugs with current->state = TASK_*INTERRUPTIBLE From: Peter Zijlstra To: Frederic Weisbecker Cc: Julia Lawall , Steven Rostedt , LKML , kernel-janitors , Andrew Morton , linux-arch@vger.kernel.org, Greg KH , Andy Whitcroft In-Reply-To: <20100121105311.GB5017@nowhere> References: <1263932978.31321.53.camel@gandalf.stny.rr.com> <1263935333.4561.26.camel@frodo> <20100121105311.GB5017@nowhere> Content-Type: text/plain; charset="UTF-8" Date: Thu, 21 Jan 2010 11:56:53 +0100 Message-ID: <1264071413.4283.1155.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 430 Lines: 11 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/