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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8ED5CC4332F for ; Fri, 9 Dec 2022 04:46:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229755AbiLIEq1 (ORCPT ); Thu, 8 Dec 2022 23:46:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33744 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229810AbiLIEqV (ORCPT ); Thu, 8 Dec 2022 23:46:21 -0500 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5790D7D08B for ; Thu, 8 Dec 2022 20:46:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1670561180; x=1702097180; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=IomsSGrJshpyZeGMJa1RixcPcuVZZpmDUTNciq4wUeg=; b=PwS07cjKScrPApUjzetWMsT1VQMcglT+ExiW1tfXSctM3dsnvCqsKs+P IgTkuzK7Z2pNznPQDHPdz5RsY1CN77NIVrESwkAR4WCSA+XOH9ayHbiSX IW7LFCF9j3NcGONdm5Z21jzsW9VKfqvxi/QlZa/tcsFDuzSLCwqq/um0k AaDQ1IUMQ8B8KdpqPaArUG1499JHNy50R6nTYedcT4sbBc837pWb07FDv IUz5/S4c+g3/qtgiVw93St7c5FRyLl4Dmna/OqHmiJoGNW4MNYs5Ee42p cMmsf1LrJVB0Lh3HsWRm6sh7pqeKJi4RrrQD58chXTAZlNqMQLXyUmxd8 w==; X-IronPort-AV: E=McAfee;i="6500,9779,10555"; a="318530875" X-IronPort-AV: E=Sophos;i="5.96,230,1665471600"; d="scan'208";a="318530875" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 Dec 2022 20:46:20 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10555"; a="892524491" X-IronPort-AV: E=Sophos;i="5.96,230,1665471600"; d="scan'208";a="892524491" Received: from sqa-gate.sh.intel.com (HELO robert-clx2.tsp.org) ([10.239.48.212]) by fmsmga006.fm.intel.com with ESMTP; 08 Dec 2022 20:46:18 -0800 From: Robert Hoo To: pbonzini@redhat.com, seanjc@google.com, kirill.shutemov@linux.intel.com, kvm@vger.kernel.org Cc: Robert Hoo , Jingqi Liu Subject: [PATCH v3 9/9] KVM: x86: LAM: Expose LAM CPUID to user space VMM Date: Fri, 9 Dec 2022 12:45:57 +0800 Message-Id: <20221209044557.1496580-10-robert.hu@linux.intel.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20221209044557.1496580-1-robert.hu@linux.intel.com> References: <20221209044557.1496580-1-robert.hu@linux.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org LAM feature is enumerated by (EAX=07H, ECX=01H):EAX.LAM[bit26]. Signed-off-by: Robert Hoo Reviewed-by: Jingqi Liu --- 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 01e2b93ef563..1e7c7f9d756b 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -657,7 +657,7 @@ void kvm_set_cpu_caps(void) kvm_cpu_cap_set(X86_FEATURE_SPEC_CTRL_SSBD); kvm_cpu_cap_mask(CPUID_7_1_EAX, - F(AVX_VNNI) | F(AVX512_BF16) + F(AVX_VNNI) | F(AVX512_BF16) | F(LAM) ); kvm_cpu_cap_mask(CPUID_D_1_EAX, -- 2.31.1