From patchwork Tue Jul 7 02:16:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhang, Cathy" X-Patchwork-Id: 11647349 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7AD79739 for ; Tue, 7 Jul 2020 02:22:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6ADCA20708 for ; Tue, 7 Jul 2020 02:22:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728103AbgGGCWG (ORCPT ); Mon, 6 Jul 2020 22:22:06 -0400 Received: from mga02.intel.com ([134.134.136.20]:6676 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727895AbgGGCWF (ORCPT ); Mon, 6 Jul 2020 22:22:05 -0400 IronPort-SDR: KWQNpV+YPyOvkd5GJ/ywNlCVCMPpKPyNabod2wSfs/2jm+BdXMhItwC7wwMRBi6/rjcqiDV4yZ yUgeciUjVcLQ== X-IronPort-AV: E=McAfee;i="6000,8403,9674"; a="135774264" X-IronPort-AV: E=Sophos;i="5.75,321,1589266800"; d="scan'208";a="135774264" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jul 2020 19:22:04 -0700 IronPort-SDR: tG5JIoIHQkYaGo7vJJHneMnx2pa7q2pA0mgQUuDXtK3T/KKUo9sY+qEe2OhLbrHZbUoidEQRv5 nTvhIqzgjawg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,321,1589266800"; d="scan'208";a="357633804" Received: from unknown (HELO localhost.localdomain.bj.intel.com) ([10.238.156.127]) by orsmga001.jf.intel.com with ESMTP; 06 Jul 2020 19:21:59 -0700 From: Cathy Zhang To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, x86@kernel.org Cc: pbonzini@redhat.com, sean.j.christopherson@intel.com, vkuznets@redhat.com, wanpengli@tencent.com, jmattson@google.com, joro@8bytes.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com, ricardo.neri-calderon@linux.intel.com, kyung.min.park@intel.com, jpoimboe@redhat.com, gregkh@linuxfoundation.org, ak@linux.intel.com, dave.hansen@intel.com, tony.luck@intel.com, ravi.v.shankar@intel.com, Cathy Zhang Subject: [PATCH v2 4/4] x86: Expose TSX Suspend Load Address Tracking Date: Tue, 7 Jul 2020 10:16:23 +0800 Message-Id: <1594088183-7187-5-git-send-email-cathy.zhang@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1594088183-7187-1-git-send-email-cathy.zhang@intel.com> References: <1594088183-7187-1-git-send-email-cathy.zhang@intel.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org TSX Suspend Load Address Tracking is supported by intel processors, like Sapphire Rapids. Expose it in KVM supported cpuid. Signed-off-by: Cathy Zhang --- 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 e603aeb..dcf48cc 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -342,7 +342,7 @@ void kvm_set_cpu_caps(void) F(AVX512_4VNNIW) | F(AVX512_4FMAPS) | F(SPEC_CTRL) | F(SPEC_CTRL_SSBD) | F(ARCH_CAPABILITIES) | F(INTEL_STIBP) | F(MD_CLEAR) | F(AVX512_VP2INTERSECT) | F(FSRM) | - F(SERIALIZE) + F(SERIALIZE) | F(TSX_LDTRK) ); /* TSC_ADJUST and ARCH_CAPABILITIES are emulated in software. */