From patchwork Fri Feb 21 17:36:12 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Liu, Jinsong" X-Patchwork-Id: 322964 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id A9F502C0236 for ; Sat, 22 Feb 2014 04:37:08 +1100 (EST) Received: from localhost ([::1]:46075 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WGu26-0008N0-F5 for incoming@patchwork.ozlabs.org; Fri, 21 Feb 2014 12:37:06 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51087) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WGu1m-0008IU-Fw for qemu-devel@nongnu.org; Fri, 21 Feb 2014 12:36:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WGu1h-0004nY-Fy for qemu-devel@nongnu.org; Fri, 21 Feb 2014 12:36:46 -0500 Received: from mga09.intel.com ([134.134.136.24]:6354) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WGu1h-0004nU-9a for qemu-devel@nongnu.org; Fri, 21 Feb 2014 12:36:41 -0500 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP; 21 Feb 2014 09:32:19 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,520,1389772800"; d="scan'208,223";a="487301496" Received: from fmsmsx105.amr.corp.intel.com ([10.19.9.36]) by orsmga002.jf.intel.com with ESMTP; 21 Feb 2014 09:36:15 -0800 Received: from fmsmsx116.amr.corp.intel.com (10.18.116.20) by FMSMSX105.amr.corp.intel.com (10.19.9.36) with Microsoft SMTP Server (TLS) id 14.3.123.3; Fri, 21 Feb 2014 09:36:15 -0800 Received: from shsmsx151.ccr.corp.intel.com (10.239.6.50) by fmsmsx116.amr.corp.intel.com (10.18.116.20) with Microsoft SMTP Server (TLS) id 14.3.123.3; Fri, 21 Feb 2014 09:36:15 -0800 Received: from shsmsx101.ccr.corp.intel.com ([169.254.1.26]) by SHSMSX151.ccr.corp.intel.com ([169.254.3.127]) with mapi id 14.03.0123.003; Sat, 22 Feb 2014 01:36:12 +0800 From: "Liu, Jinsong" To: Paolo Bonzini Thread-Topic: [PATCH] KVM: x86: expose ADX feature to guest Thread-Index: Ac8vK2my5KNlzGauQ0KFfJzcg9es4w== Date: Fri, 21 Feb 2014 17:36:12 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 134.134.136.24 Cc: "qemu-devel@nongnu.org" , "kvm@vger.kernel.org" , "gleb@redhat.com" , "linux-kernel@vger.kernel.org" Subject: [Qemu-devel] [PATCH] KVM: x86: expose ADX feature to guest X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From 0750e335eb5860b0b483e217e8a08bd743cbba16 Mon Sep 17 00:00:00 2001 From: Liu Jinsong Date: Thu, 20 Feb 2014 17:39:32 +0800 Subject: [PATCH] KVM: x86: expose ADX feature to guest ADCX and ADOX instructions perform an unsigned addition with Carry flag and Overflow flag respectively. Signed-off-by: Xudong Hao Signed-off-by: Liu Jinsong --- arch/x86/kvm/cpuid.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index abe18b4..a951ae4 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -303,7 +303,8 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, /* cpuid 7.0.ebx */ const u32 kvm_supported_word9_x86_features = F(FSGSBASE) | F(BMI1) | F(HLE) | F(AVX2) | F(SMEP) | - F(BMI2) | F(ERMS) | f_invpcid | F(RTM) | F(RDSEED); + F(BMI2) | F(ERMS) | f_invpcid | F(RTM) | F(RDSEED) | + F(ADX); /* all calls to cpuid_count() should be made on the same cpu */ get_cpu();