Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933972AbaDIPkh (ORCPT ); Wed, 9 Apr 2014 11:40:37 -0400 Received: from nat28.tlf.novell.com ([130.57.49.28]:38929 "EHLO nat28.tlf.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933477AbaDIPkc convert rfc822-to-8bit (ORCPT ); Wed, 9 Apr 2014 11:40:32 -0400 Message-Id: <5345860D02000078000074FE@nat28.tlf.novell.com> X-Mailer: Novell GroupWise Internet Agent 14.0.0 Date: Wed, 09 Apr 2014 16:40:29 +0100 From: "Jan Beulich" To: "Boris Ostrovsky" Cc: "Andrew Cooper" , "David Vrabel" , , , Subject: Re: [Xen-devel] [PATCH] x86/xen: Fix 32-bit PV guests's usage of kernel_stack References: <1397052401-20220-1-git-send-email-boris.ostrovsky@oracle.com> <5345739202000078000073EA@nat28.tlf.novell.com> <53455933.2060406@citrix.com> <53455C21.6000408@citrix.com> <53457CDD0200007800007483@nat28.tlf.novell.com> <5345695A.3020303@oracle.com> In-Reply-To: <5345695A.3020303@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8BIT Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>> On 09.04.14 at 17:38, wrote: > On 04/09/2014 11:01 AM, Jan Beulich wrote: >>>>> On 09.04.14 at 16:41, wrote: >>> The latter load however can easy fault; The arguments for %ds in >>> XSA-42/ CVE-2013-0228 applies to %{e,f,g}s as well. >> And it was only that latter operation that I pointed at. > > We don't seem to reference %fs after the pop so doing the fixup (as > David suggested) should be enough? Of course. Jan -- 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/