From patchwork Fri Aug 21 04:50:04 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiao Guangrong X-Patchwork-Id: 7048011 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id C83E2C05AC for ; Fri, 21 Aug 2015 04:58:31 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id F4201205DF for ; Fri, 21 Aug 2015 04:58:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BDC29205DD for ; Fri, 21 Aug 2015 04:58:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753194AbbHUE4s (ORCPT ); Fri, 21 Aug 2015 00:56:48 -0400 Received: from mga03.intel.com ([134.134.136.65]:7286 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751933AbbHUE4G (ORCPT ); Fri, 21 Aug 2015 00:56:06 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP; 20 Aug 2015 21:56:06 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,719,1432623600"; d="scan'208";a="788212185" Received: from xiao.sh.intel.com ([10.239.159.86]) by orsmga002.jf.intel.com with ESMTP; 20 Aug 2015 21:56:06 -0700 From: Xiao Guangrong To: pbonzini@redhat.com Cc: gleb@kernel.org, mtosatti@redhat.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Xiao Guangrong Subject: [PATCH 2/9] KVM: x86: allow guest to use cflushopt anc clwb Date: Fri, 21 Aug 2015 12:50:04 +0800 Message-Id: <1440132611-26052-3-git-send-email-guangrong.xiao@linux.intel.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1440132611-26052-1-git-send-email-guangrong.xiao@linux.intel.com> References: <1440132611-26052-1-git-send-email-guangrong.xiao@linux.intel.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Spam-Status: No, score=-7.7 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Pass its CPU feature to guest to enable them in guest These are needed by nvdimm drivers The specification locates at: https://software.intel.com/sites/default/files/managed/0d/53/319433-022.pdf Signed-off-by: Xiao Guangrong --- arch/x86/kvm/cpuid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index 2fbea25..962fc7d 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -348,7 +348,7 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, F(FSGSBASE) | F(BMI1) | F(HLE) | F(AVX2) | F(SMEP) | F(BMI2) | F(ERMS) | f_invpcid | F(RTM) | f_mpx | F(RDSEED) | F(ADX) | F(SMAP) | F(AVX512F) | F(AVX512PF) | F(AVX512ER) | - F(AVX512CD); + F(AVX512CD) | F(CLFLUSHOPT) | F(CLWB); /* cpuid 0xD.1.eax */ const u32 kvm_supported_word10_x86_features =