From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44676) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YfnJM-0002UX-69 for qemu-devel@nongnu.org; Wed, 08 Apr 2015 06:34:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YfnJI-0003Gb-Jz for qemu-devel@nongnu.org; Wed, 08 Apr 2015 06:34:20 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33613) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YfnJI-0003FU-D0 for qemu-devel@nongnu.org; Wed, 08 Apr 2015 06:34:16 -0400 Message-ID: <55250423.6050107@redhat.com> Date: Wed, 08 Apr 2015 12:34:11 +0200 From: Laszlo Ersek MIME-Version: 1.0 References: <1428419779-26062-1-git-send-email-pbonzini@redhat.com> <20150408101502.GA10777@redhat.com> In-Reply-To: <20150408101502.GA10777@redhat.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH] aio: strengthen memory barriers for bottom half scheduling List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Richard W.M. Jones" , Paolo Bonzini Cc: Paul.Leveille@stratus.com, qemu-devel@nongnu.org, stefanha@redhat.com On 04/08/15 12:15, Richard W.M. Jones wrote: > On Tue, Apr 07, 2015 at 05:16:19PM +0200, Paolo Bonzini wrote: >> This bug is, most likely, also the cause of failures in the libguestfs >> testsuite on AArch64. > > I'm afraid I have to agree with Laszlo, that this patch unfortunately > does not cure the aarch64 race. > > The test case I'm using is: > http://git.annexia.org/?p=rhbz1184405.git;a=tree > > Note: This does not mean this patch is bad! Just that it doesn't cure > the long-standing aarch64 race that we've been trying to fix forever, > which is what we were hoping. Precisely. I meant the same; sorry if I wasn't clear about it. Laszlo