From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 99FE3C5ACC6 for ; Tue, 16 Oct 2018 23:51:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6A2442148D for ; Tue, 16 Oct 2018 23:51:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6A2442148D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727402AbeJQHoX (ORCPT ); Wed, 17 Oct 2018 03:44:23 -0400 Received: from mga12.intel.com ([192.55.52.136]:9920 "EHLO mga12.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727064AbeJQHoX (ORCPT ); Wed, 17 Oct 2018 03:44:23 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga106.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 16 Oct 2018 16:51:34 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,389,1534834800"; d="scan'208";a="241889725" Received: from romley-ivt3.sc.intel.com ([172.25.110.60]) by orsmga004.jf.intel.com with ESMTP; 16 Oct 2018 16:51:33 -0700 Date: Tue, 16 Oct 2018 16:48:08 -0700 From: Fenghua Yu To: "Moger, Babu" Cc: "tglx@linutronix.de" , "mingo@redhat.com" , "hpa@zytor.com" , "reinette.chatre@intel.com" , "fenghua.yu@intel.com" , "james.morse@arm.com" , "tony.luck@intel.com" , "corbet@lwn.net" , "x86@kernel.org" , "peterz@infradead.org" , "pombredanne@nexb.com" , "gregkh@linuxfoundation.org" , "kstewart@linuxfoundation.org" , "bp@suse.de" , "rafael.j.wysocki@intel.com" , "ak@linux.intel.com" , "kirill.shutemov@linux.intel.com" , "xiaochen.shen@intel.com" , "colin.king@canonical.com" , "Hurwitz, Sherry" , "Lendacky, Thomas" , "pbonzini@redhat.com" , "dwmw@amazon.co.uk" , "luto@kernel.org" , "jroedel@suse.de" , "jannh@google.com" , "dima@arista.com" , "jpoimboe@redhat.com" , "vkuznets@redhat.com" , "linux-kernel@vger.kernel.org" , "mchehab+samsung@kernel.org" , "davem@davemloft.net" , "akpm@linux-foundation.org" , "arnd@arndb.de" Subject: Re: [PATCH v4 10/13] arch/x86: Add AMD feature bit X86_FEATURE_MBA in cpuid bits array Message-ID: <20181016234807.GC39177@romley-ivt3.sc.intel.com> References: <20181015205514.25387-1-babu.moger@amd.com> <20181015205514.25387-11-babu.moger@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181015205514.25387-11-babu.moger@amd.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 15, 2018 at 08:55:54PM +0000, Moger, Babu wrote: > From: Sherry Hurwitz > > The feature bit X86_FEATURE_MBA is detected via CPUID leaf 0x80000008 > EBX Bit 06. This bit indicates the support of AMD's MBA feature. > > This feature is supported by both Intel and AMD. But they are detected > different CPUID leaves. Should be "in different..." Thanks. -Fenghua