From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755344AbYGXK3h (ORCPT ); Thu, 24 Jul 2008 06:29:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754701AbYGXK30 (ORCPT ); Thu, 24 Jul 2008 06:29:26 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:57938 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754197AbYGXK3Z (ORCPT ); Thu, 24 Jul 2008 06:29:25 -0400 Date: Thu, 24 Jul 2008 12:29:11 +0200 From: Ingo Molnar To: Jeremy Fitzhardinge Cc: Mark McLoughlin , Eduardo Habkost , Linux Kernel Mailing List Subject: Re: [PATCH 2/2] xen: don't use sysret for sysexit32 Message-ID: <20080724102911.GC28817@elte.hu> References: <488520A6.8000303@goop.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <488520A6.8000303@goop.org> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -0.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-0.5 required=5.9 tests=BAYES_20 autolearn=no SpamAssassin version=3.2.3 -0.5 BAYES_20 BODY: Bayesian spam probability is 5 to 20% [score: 0.0578] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Jeremy Fitzhardinge wrote: > When implementing sysexit32, don't let Xen use sysret to return to > userspace. That results in usermode register state being trashed. applied to tip/x86/urgent, thanks Jeremy. Ingo