From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752218AbbGaDQI (ORCPT ); Thu, 30 Jul 2015 23:16:08 -0400 Received: from mail-la0-f48.google.com ([209.85.215.48]:34579 "EHLO mail-la0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750933AbbGaDQG (ORCPT ); Thu, 30 Jul 2015 23:16:06 -0400 MIME-Version: 1.0 In-Reply-To: <55BAAA46.20802@citrix.com> References: <4c6978476782160600471bd865b318db34c7b628.1438291540.git.luto@kernel.org> <55BAAA46.20802@citrix.com> From: Andy Lutomirski Date: Thu, 30 Jul 2015 20:15:44 -0700 Message-ID: Subject: Re: [PATCH v6 2/4] x86/ldt: Make modify_ldt synchronous To: Andrew Cooper Cc: Andy Lutomirski , X86 ML , Borislav Petkov , "linux-kernel@vger.kernel.org" , Peter Zijlstra , Steven Rostedt , "security@kernel.org" , Sasha Levin , Konrad Rzeszutek Wilk , Boris Ostrovsky , Jan Beulich , xen-devel , stable Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 30, 2015 at 3:50 PM, Andrew Cooper wrote: > On 30/07/2015 22:31, Andy Lutomirski wrote: >> Note to -stable maintainers: by itself, this patch makes a >> pre-existing Xen bug much easier to trigger; on a 32-bit Xen guest, >> the new ldt_gdt selftest is likely to OOPS. Even without this >> patch, the test can OOPS, but it's much less likely to happen. The >> Xen maintainers should have a fix for that issue shortly. > > All Xen issues should be fixed by patch 1 now. > Whoops, right. That paragraph in the changelog can be deleted. > ~Andrew -- Andy Lutomirski AMA Capital Management, LLC