From patchwork Tue Oct 22 07:35:26 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zhang, Cathy" X-Patchwork-Id: 11203849 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 C271114ED for ; Tue, 22 Oct 2019 07:40:14 +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 A2EAE21783 for ; Tue, 22 Oct 2019 07:40:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A2EAE21783 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:51144 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iMom5-0004we-JF for patchwork-qemu-devel@patchwork.kernel.org; Tue, 22 Oct 2019 03:40:13 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40876) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iMol9-0003gh-Sx for qemu-devel@nongnu.org; Tue, 22 Oct 2019 03:39:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iMol8-00049U-34 for qemu-devel@nongnu.org; Tue, 22 Oct 2019 03:39:15 -0400 Received: from mga11.intel.com ([192.55.52.93]:62449) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iMol7-00047q-RZ for qemu-devel@nongnu.org; Tue, 22 Oct 2019 03:39:14 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 22 Oct 2019 00:39:06 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,326,1566889200"; d="scan'208";a="209615697" Received: from unknown (HELO localhost.localdomain.bj.intel.com) ([10.238.156.101]) by fmsmga001.fm.intel.com with ESMTP; 22 Oct 2019 00:39:05 -0700 From: Cathy Zhang To: qemu-devel@nongnu.org Subject: [Resend PATCH 1/3] i386: Add MSR feature bit for MDS-NO Date: Tue, 22 Oct 2019 15:35:26 +0800 Message-Id: <1571729728-23284-2-git-send-email-cathy.zhang@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1571729728-23284-1-git-send-email-cathy.zhang@intel.com> References: <1571729728-23284-1-git-send-email-cathy.zhang@intel.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.93 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: Cathy Zhang , pbonzini@redhat.com, ehabkost@redhat.com, rth@twiddle.net Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.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 Reviewed-by: Xiaoyao Li Reviewed-by: Tao Xu --- 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)