From nobody Sat May 18 23:55:09 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=intel.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1625015905065853.0853348403373; Tue, 29 Jun 2021 18:18:25 -0700 (PDT) Received: from localhost ([::1]:35298 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lyOrv-0006ju-46 for importer@patchew.org; Tue, 29 Jun 2021 21:18:23 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43430) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lyOql-0005RA-Mr for qemu-devel@nongnu.org; Tue, 29 Jun 2021 21:17:13 -0400 Received: from mga12.intel.com ([192.55.52.136]:38792) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lyOqj-0006LB-5G for qemu-devel@nongnu.org; Tue, 29 Jun 2021 21:17:10 -0400 Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jun 2021 18:16:57 -0700 Received: from chenyi-pc.sh.intel.com ([10.239.159.88]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jun 2021 18:16:56 -0700 X-IronPort-AV: E=McAfee;i="6200,9189,10030"; a="187954897" X-IronPort-AV: E=Sophos;i="5.83,310,1616482800"; d="scan'208";a="187954897" X-IronPort-AV: E=Sophos;i="5.83,310,1616482800"; d="scan'208";a="447268874" From: Chenyi Qiang To: Eduardo Habkost , Paolo Bonzini , Richard Henderson Subject: [PATCH] target/i386: Remove split lock detect in Snowridge CPU model Date: Wed, 30 Jun 2021 09:20:53 +0800 Message-Id: <20210630012053.10098-1-chenyi.qiang@intel.com> X-Mailer: git-send-email 2.17.1 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=192.55.52.136; envelope-from=chenyi.qiang@intel.com; helo=mga12.intel.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: Xiaoyao Li , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" At present, there's no mechanism intelligent enough to virtualize split lock detection correctly. Remove it in Snowridge CPU model to avoid the feature exposure. Signed-off-by: Chenyi Qiang --- target/i386/cpu.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index a9fe1662d3..c3b527b7b0 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -3698,6 +3698,14 @@ static const X86CPUDefinition builtin_x86_defs[] =3D= { { /* end of list */ }, }, }, + { + .version =3D 4, + .note =3D "no split lock detect", + .props =3D (PropValue[]) { + { "split-lock-detect", "off" }, + { /* end of list */ }, + }, + }, { /* end of list */ }, }, }, --=20 2.17.1