Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757415AbYJIVfu (ORCPT ); Thu, 9 Oct 2008 17:35:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756056AbYJIVfi (ORCPT ); Thu, 9 Oct 2008 17:35:38 -0400 Received: from sous-sol.org ([216.99.217.87]:47612 "EHLO sequoia.sous-sol.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755618AbYJIVfg (ORCPT ); Thu, 9 Oct 2008 17:35:36 -0400 Date: Thu, 9 Oct 2008 14:34:33 -0700 From: Chris Wright To: "Cihula, Joseph" Cc: Chris Wright , Pavel Machek , linux-kernel@vger.kernel.org, "Wang, Shane" , "Wei, Gang" , "Van De Ven, Arjan" , "Mallick, Asit K" , "Nakajima, Jun" , Chris Wright , Jan Beulich , mingo@elte.hu, tytso@mit.edu Subject: Re: [RFC][PATCH 3/3] TXT: Intel(R) TXT and tboot kernel support Message-ID: <20081009213433.GG6912@sequoia.sous-sol.org> References: <20081009130518.GE1623@ucw.cz> <20081009175000.GC6912@sequoia.sous-sol.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 964 Lines: 24 * Cihula, Joseph (joseph.cihula@intel.com) wrote: > > From: Chris Wright [mailto:chrisw@sous-sol.org] > > I asked earlier, I didn't understand why it needs to be 2 fields, since > > it's u32 in both cases and can't both be used at once. > > We will look at seeing if we can make a single entry point that detects > if it was called by 64b code, disable IA32e mode, and then jumps to the > 32b code. Yeah, that's exactly what I was thinking. I assumed I missed a piece... > We did it this way initially because it was easier code to > keep them separate and has been working for some time. We'll also have > to adjust Xen if/when we do this. ...which is just this ease of implementation, thanks. thanks, -chris -- 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/