From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763256AbYEWAgj (ORCPT ); Thu, 22 May 2008 20:36:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759252AbYEWAg3 (ORCPT ); Thu, 22 May 2008 20:36:29 -0400 Received: from terminus.zytor.com ([198.137.202.10]:49964 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755327AbYEWAg2 (ORCPT ); Thu, 22 May 2008 20:36:28 -0400 Message-ID: <48361080.7020007@zytor.com> Date: Thu, 22 May 2008 17:32:00 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Chris Wright CC: Mikael Pettersson , Suresh Siddha , Andi Kleen , mingo@elte.hu, tglx@linutronix.de, torvalds@linux-foundation.org, akpm@linux-foundation.org, roland@redhat.com, drepper@redhat.com, Hongjiu.lu@intel.com, linux-kernel@vger.kernel.org, arjan@linux.intel.com, rmk+lkml@arm.linux.org.uk, dan@debian.org, asit.k.mallick@intel.com Subject: Re: [RFC] x86: xsave/xrstor support, ucontext_t extensions References: <18482.53246.642835.894623@harpo.it.uu.se> <4832E705.2010900@zytor.com> <18482.60491.764019.292031@harpo.it.uu.se> <20080520175325.GE30034@linux-os.sc.intel.com> <4834BE39.2000904@zytor.com> <18485.13663.51624.694435@harpo.it.uu.se> <20080522205619.GB7998@linux-os.sc.intel.com> <4835DF64.6080104@zytor.com> <20080522213201.GF4018@sequoia.sous-sol.org> <18485.61551.199984.949174@harpo.it.uu.se> <20080522222913.GC30402@sequoia.sous-sol.org> In-Reply-To: <20080522222913.GC30402@sequoia.sous-sol.org> 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 Chris Wright wrote: > * Mikael Pettersson (mikpe@it.uu.se) wrote: >> Chris Wright writes: >>> hmm, what implications? cpuid is dealt with already. >> By whom? > > I was thinking specifically vmx non-root. You're assuming the presence *and use* of VMX. -hpa