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 X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 94DEBC10F14 for ; Sat, 12 Oct 2019 12:30:02 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6C8F121850 for ; Sat, 12 Oct 2019 12:30:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6C8F121850 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:32954 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iJGX3-00064m-CF for qemu-devel@archiver.kernel.org; Sat, 12 Oct 2019 08:30:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47893) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iJBRt-0001Gw-Rj for qemu-devel@nongnu.org; Sat, 12 Oct 2019 03:04:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iJBRs-0001yy-AV for qemu-devel@nongnu.org; Sat, 12 Oct 2019 03:04:21 -0400 Received: from mga01.intel.com ([192.55.52.88]:29436) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iJBRs-0001s3-2a for qemu-devel@nongnu.org; Sat, 12 Oct 2019 03:04:20 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Oct 2019 00:04:14 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,286,1566889200"; d="scan'208";a="197802829" Received: from unknown (HELO localhost.localdomain.bj.intel.com) ([10.238.156.101]) by orsmga003.jf.intel.com with ESMTP; 12 Oct 2019 00:04:13 -0700 From: Cathy Zhang To: pbonzini@redhat.com, rth@twiddle.net, ehabkost@redhat.com Subject: [PATCH 1/3] i386: Add MSR feature bit for MDS-NO Date: Sat, 12 Oct 2019 15:00:36 +0800 Message-Id: <1570863638-22272-2-git-send-email-cathy.zhang@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1570863638-22272-1-git-send-email-cathy.zhang@intel.com> References: <1570863638-22272-1-git-send-email-cathy.zhang@intel.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.88 X-Mailman-Approved-At: Sat, 12 Oct 2019 08:24:54 -0400 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-devel@nongnu.org, Cathy Zhang Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Define MSR_ARCH_CAP_MDS_NO in the IA32_ARCH_CAPABILITIES MSR to allow CPU models to report the feature when host supports it. Signed-off-by: Cathy Zhang --- target/i386/cpu.h | 1 + 1 file changed, 1 insertion(+) diff --git a/target/i386/cpu.h b/target/i386/cpu.h index eaa5395..e757149 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -777,6 +777,7 @@ typedef uint64_t FeatureWordArray[FEATURE_WORDS]; #define MSR_ARCH_CAP_RSBA (1U << 2) #define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3) #define MSR_ARCH_CAP_SSB_NO (1U << 4) +#define MSR_ARCH_CAP_MDS_NO (1U << 5) #define MSR_CORE_CAP_SPLIT_LOCK_DETECT (1U << 5) -- 1.8.3.1