Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752001AbaBXHKg (ORCPT ); Mon, 24 Feb 2014 02:10:36 -0500 Received: from merlin.infradead.org ([205.233.59.134]:56012 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750786AbaBXHKe (ORCPT ); Mon, 24 Feb 2014 02:10:34 -0500 Date: Mon, 24 Feb 2014 08:10:28 +0100 From: Peter Zijlstra To: Michael wang Cc: Sasha Levin , Ingo Molnar , LKML Subject: Re: sched: hang in migrate_swap Message-ID: <20140224071028.GW9987@twins.programming.kicks-ass.net> References: <5304F32A.4040907@oracle.com> <5305856F.3000109@linux.vnet.ibm.com> <53078241.3060201@oracle.com> <53080122.609@linux.vnet.ibm.com> <530ABB44.5000601@oracle.com> <530AD653.3000808@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <530AD653.3000808@linux.vnet.ibm.com> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 24, 2014 at 01:19:15PM +0800, Michael wang wrote: > Peter, do we accidentally missed this commit? > > http://git.kernel.org/tip/477af336ba06ef4c32e97892bb0d2027ce30f466 Ingo dropped it on Saturday because it makes locking_selftest() unhappy. That is because we call locking_selftest() way before we're ready to call schedule() and guess what it does :-/ I'm not entirely sure what to do.. ideally I'd shoot locking_selftest in the head, but clearly that's not entirely desired either. -- 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/