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=-8.7 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 DFDB8C48BD6 for ; Wed, 26 Jun 2019 16:40:03 +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 B7CF820644 for ; Wed, 26 Jun 2019 16:40:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B7CF820644 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]:41894 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hgAxm-0003DO-Th for qemu-devel@archiver.kernel.org; Wed, 26 Jun 2019 12:40:02 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58994) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hgAsQ-0006XL-St for qemu-devel@nongnu.org; Wed, 26 Jun 2019 12:34:31 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hgAsP-0001XU-Sx for qemu-devel@nongnu.org; Wed, 26 Jun 2019 12:34:30 -0400 Received: from mga02.intel.com ([134.134.136.20]:42189) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hgAsP-0001Tj-KH for qemu-devel@nongnu.org; Wed, 26 Jun 2019 12:34:29 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 26 Jun 2019 09:34:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,420,1557212400"; d="scan'208";a="164012735" Received: from pclaidev.sc.intel.com ([143.183.85.146]) by fmsmga007.fm.intel.com with ESMTP; 26 Jun 2019 09:34:25 -0700 From: Paul Lai To: qemu-devel@nongnu.org Date: Wed, 26 Jun 2019 09:32:32 -0700 Message-Id: <20190626163232.25711-1-paul.c.lai@intel.com> X-Mailer: git-send-email 2.17.2 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 134.134.136.20 Subject: [Qemu-devel] Add SPLIT_LOCK DETECT capability to SnowRidge (SNR) cpu model 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: wei.w.wang@intel.com, luwei.kang@intel.com, tao3.xu@intel.com, paul.c.lai@intel.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" SPLIT_LOCK DETECT is enabled in qemu patch: x86: define a new MSR based feature word -- FEAT_CORE_CAPABILITY and kernel patch series that includes: x86/split_lock: Align x86_capability to unsigned long to avoid split locked access WAITPKG (UMONITOR/UMWAIT/TPAUSE) supplied in: x86/cpu: Add support for UMONITOR/UMWAIT/TPAUSE are turned off by default, so not added to this cpu model. Signed-off-by: Paul Lai Tested-by: Tao3 Xu --- Changes in v4: Add SPLIT_LOCK DETECT capability to SnowRidge (SNR) cpu model --- target/i386/cpu.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index c96f032f03..63d89276fe 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -2739,7 +2739,10 @@ static X86CPUDefinition builtin_x86_defs[] = { CPUID_7_0_ECX_MOVDIR64B, .features[FEAT_7_0_EDX] = CPUID_7_0_EDX_SPEC_CTRL | - CPUID_7_0_EDX_ARCH_CAPABILITIES | CPUID_7_0_EDX_SPEC_CTRL_SSBD, + CPUID_7_0_EDX_ARCH_CAPABILITIES | CPUID_7_0_EDX_SPEC_CTRL_SSBD | + CPUID_7_0_EDX_CORE_CAPABILITY, + .features[FEAT_CORE_CAPABILITY] = + MSR_CORE_CAP_SPLIT_LOCK_DETECT, /* * Missing: XSAVES (not supported by some Linux versions, * including v4.1 to v4.12). -- 2.17.2