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 A4A84C4332F for ; Mon, 17 Oct 2022 07:05:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230110AbiJQHFw (ORCPT ); Mon, 17 Oct 2022 03:05:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35402 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230135AbiJQHFt (ORCPT ); Mon, 17 Oct 2022 03:05:49 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 985EA45062 for ; Mon, 17 Oct 2022 00:05:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1665990346; x=1697526346; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=99ZJJ5HzQnjNx0/bsTWN33j47deBGn1IFbZmaJKs6hQ=; b=bJsFEmq/ZO63MCDJ8xf3kdQu8kCNOjS71HThKTBGPfQkH5dgzMQnL3UK N9ElPJQvdkegBAl1KEc0b22zdQVXps/ozXlt2pFylKl0Urt/PfxtQOKHN nbKLkz3IgDbjMJ60ORpGpWHP7PVvs6ZIhyhHWZHgf5hvfjV2rmH6E+9MB 0i4ADlIIM03dqvw23wWLdZ1X6C/HMYM2ik5uD779HqPlIuxXK7QvwqVCq PMXIs1OCxZZsFPlLRHAt4fpiBEe5sjueGgztz6tIWBVPZ6HhgCVu+0iCB WU0kLx6NaPQb/OdZwKGOtgQ0lRQQ2BVttqYZi1+WlR1cjRx9hCreogIgq Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10502"; a="392031207" X-IronPort-AV: E=Sophos;i="5.95,190,1661842800"; d="scan'208";a="392031207" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Oct 2022 00:05:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10502"; a="579271491" X-IronPort-AV: E=Sophos;i="5.95,190,1661842800"; d="scan'208";a="579271491" Received: from sqa-gate.sh.intel.com (HELO robert-clx2.tsp.org) ([10.239.48.212]) by orsmga003.jf.intel.com with ESMTP; 17 Oct 2022 00:05:27 -0700 From: Robert Hoo To: seanjc@google.com, pbonzini@redhat.com Cc: kvm@vger.kernel.org, Robert Hoo , Jingqi Liu Subject: [PATCH 9/9] KVM: x86: LAM: Expose LAM CPUID to user space VMM Date: Mon, 17 Oct 2022 15:04:50 +0800 Message-Id: <20221017070450.23031-10-robert.hu@linux.intel.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20221017070450.23031-1-robert.hu@linux.intel.com> References: <20221017070450.23031-1-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 b935b3b04a7e..89bcac3e4ac4 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -636,7 +636,7 @@ 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