Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753894Ab0AaSCn (ORCPT ); Sun, 31 Jan 2010 13:02:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753734Ab0AaSCm (ORCPT ); Sun, 31 Jan 2010 13:02:42 -0500 Received: from vpn.id2.novell.com ([195.33.99.129]:7743 "EHLO vpn.id2.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753480Ab0AaSCl convert rfc822-to-8bit (ORCPT ); Sun, 31 Jan 2010 13:02:41 -0500 Message-Id: <4B65C5BE02000078000584B5@vpn.id2.novell.com> X-Mailer: Novell GroupWise Internet Agent 8.0.1 Date: Sun, 31 Jan 2010 18:02:38 +0000 From: "Jan Beulich" To: Cc: , , , Subject: Re: [PATCH 0/3] x86: enlightenment for ticket spinlocks 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 Content-Length: 896 Lines: 23 >>> "H. Peter Anvin" 01/31/10 2:42 AM >>> >+ * EBX-EDX: "XenVMMXenVMM" signature, allowing positive identification >+ * of a Xen host. >+ */ >+#define XEN_CPUID_SIGNATURE_EBX 0x566e6558 /* "XenV" */ >+#define XEN_CPUID_SIGNATURE_ECX 0x65584d4d /* "MMXe" */ >+#define XEN_CPUID_SIGNATURE_EDX 0x4d4d566e /* "nVMM" */ > >I hope you know this spells "MMXenVMMXenV". The ordering is ecx-edx-ebx >(register numbers 1, 2, 3). According to the documentation I have, the ordering is EBX-EDX-ECX, so indeed the spelling would seem broken, but since this is an interface header taken directly from Xen, it's got to be (and it works) that way. Odd. 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/