Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752821AbZKQQSN (ORCPT ); Tue, 17 Nov 2009 11:18:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752278AbZKQQSM (ORCPT ); Tue, 17 Nov 2009 11:18:12 -0500 Received: from hera.kernel.org ([140.211.167.34]:39316 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752130AbZKQQSK (ORCPT ); Tue, 17 Nov 2009 11:18:10 -0500 Message-ID: <4B02CC4B.9060800@kernel.org> Date: Wed, 18 Nov 2009 01:16:11 +0900 From: Tejun Heo User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; ko-KR; rv:1.9.1.4pre) Gecko/20090915 SUSE/3.0b4-3.6 Thunderbird/3.0b4 MIME-Version: 1.0 To: Avi Kivity CC: Frederic Weisbecker , linux-kernel@vger.kernel.org, jeff@garzik.org, mingo@elte.hu, akpm@linux-foundation.org, jens.axboe@oracle.com, rusty@rustcorp.com.au, cl@linux-foundation.org, dhowells@redhat.com, arjan@linux.intel.com, torvalds@linux-foundation.org, peterz@infradead.org, andi@firstfloor.org, Andi Kleen , Oleg Nesterov Subject: Re: [PATCH 01/21] workqueue: fix race condition in schedule_on_each_cpu() References: <1258391726-30264-1-git-send-email-tj@kernel.org> <1258391726-30264-2-git-send-email-tj@kernel.org> <20091116230427.GD5293@nowhere> <4B024B18.40604@redhat.com> In-Reply-To: <4B024B18.40604@redhat.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 505 Lines: 15 11/17/2009 04:04 PM, Avi Kivity wrote: >> Shouldn't this patch go to .32 ? >> This looks like an important fix. > > Is anything using preeempt notifier on affected architectures? Checking... yeap, ia64 has both __ARCH_WANT_UNLOCKED_CTXSW and KVM. -- tejun -- 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/