From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH][STABLE] KVM: x86: Fix TSS size check for 16-bit tasks Date: Wed, 21 Apr 2010 12:16:58 +0300 Message-ID: <4BCEC28A.9060309@redhat.com> References: <4BC5D7C7.7090406@siemens.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Cc: Marcelo Tosatti , kvm To: Jan Kiszka Return-path: Received: from mx1.redhat.com ([209.132.183.28]:17678 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752096Ab0DUJRB (ORCPT ); Wed, 21 Apr 2010 05:17:01 -0400 In-Reply-To: <4BC5D7C7.7090406@siemens.com> Sender: kvm-owner@vger.kernel.org List-ID: On 04/14/2010 05:57 PM, Jan Kiszka wrote: > A 16-bit TSS is only 44 bytes long. So make sure to test for the correct > size on task switch. > > Signed-off-by: Jan Kiszka > --- > > This is a backport of 8f2d524 from master. It applies at least down to > 2.6.32 and should be considered for the stable queues. > > This (and the exception thing) does not qualify under the usual stable rules (regression or host security: in, otherwise out). I prefer to delay brining up a new guest for one release rather than risk a regression. If you have a special requirement for it this can be relaxed. -- error compiling committee.c: too many arguments to function