From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756114AbYGKR7U (ORCPT ); Fri, 11 Jul 2008 13:59:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753580AbYGKR7G (ORCPT ); Fri, 11 Jul 2008 13:59:06 -0400 Received: from gw.goop.org ([64.81.55.164]:50456 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752910AbYGKR7F (ORCPT ); Fri, 11 Jul 2008 13:59:05 -0400 Message-ID: <48779F5A.9070502@goop.org> Date: Fri, 11 Jul 2008 10:58:50 -0700 From: Jeremy Fitzhardinge User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Ingo Molnar CC: linux-kernel@vger.kernel.org, the arch/x86 maintainers , Arjan van de Ven Subject: Re: [patch] x86: fix savesegment() bug causing crashes on 64-bit References: <20080711175002.GA32116@elte.hu> In-Reply-To: <20080711175002.GA32116@elte.hu> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ingo Molnar wrote: > > i spent a fair amount of time chasing a 64-bit bootup crash in > tip/master that manifested itself as bootup segfaults: > Crap, I'm sorry. I fixed this locally a couple of days ago, but I hadn't actually observed it causing any problems, so I didn't rush to push it out. > The solution is to only allow segment operands to go to registers. This > fix allows my test-system to boot up without crashing. > > Signed-off-by: Ingo Molnar > Acked-by: Jeremy Fitzhardinge J