Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752737AbcD2UME (ORCPT ); Fri, 29 Apr 2016 16:12:04 -0400 Received: from mga14.intel.com ([192.55.52.115]:53699 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752379AbcD2UMC (ORCPT ); Fri, 29 Apr 2016 16:12:02 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.24,553,1455004800"; d="scan'208";a="943088527" Subject: Re: [PATCH v4 05/10] x86/xsaves: Align xstate components according to CPUID To: Yu-cheng Yu , x86@kernel.org, "H. Peter Anvin" , Thomas Gleixner , Ingo Molnar , linux-kernel@vger.kernel.org References: Cc: Andy Lutomirski , Borislav Petkov , Sai Praneeth Prakhya , "Ravi V. Shankar" , Fenghua Yu From: Dave Hansen Message-ID: <5723C00A.3090903@linux.intel.com> Date: Fri, 29 Apr 2016 13:11:54 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 434 Lines: 9 On 03/04/2016 10:12 AM, Yu-cheng Yu wrote: > CPUID function 0x0d, sub function (i, i > 1) returns in ecx[1] the > alignment requirement of component i when the compacted format is used. > > If ecx[1] is 0, component i is located immediately following the preceding > component. If ecx[1] is 1, component i is located on the next 64-byte > boundary following the preceding component. Reviewed-by: Dave Hansen