From nobody Tue May 7 09:38:35 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; spf=pass (zoho.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 ARC-Seal: i=1; a=rsa-sha256; t=1561567209; cv=none; d=zoho.com; s=zohoarc; b=nNahD0VuK1QvF0D+2c5x6/DqoSprgho8Ph3aEOUNImr0opOfG4slglM463ey9mwlEP7CXMfLaIAuugdyL/QV6yH2HrAV7IeaKOOjr0CCvzINFvVOrDTjB3fR0daMyj7VDrEp9dGHC/uz0mCFBbvoQIMDb2JkBwEZYtcl0QsaI0c= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1561567209; h=Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:Sender:Subject:To:ARC-Authentication-Results; bh=omh9HUDNIEdVHaZyCcE7xBR5dVjfqN2GB1JNHTYpGUA=; b=eftSLfdIuBDabCdh3skKnMtc0ccaPWxF5A94++DP+NgoKcdH8FckePJIa5OTPzULxkBkUZj2bbUw+eqASiYXS3DZhWBWLqCqtd/STMvYRMOe4eB14AbtWjT+KTdL4L+wsbVVnpZaY79NA4IM6z17FmeZ6kGBfTXT6PxD3FT9aFE= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.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 header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1561567209173436.84766710022643; Wed, 26 Jun 2019 09:40:09 -0700 (PDT) Received: from localhost ([::1]:41894 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hgAxq-0003DO-4l for importer@patchew.org; Wed, 26 Jun 2019 12:40:06 -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 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 Received: from pclaidev.sc.intel.com ([143.183.85.146]) by fmsmga007.fm.intel.com with ESMTP; 26 Jun 2019 09:34:25 -0700 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,420,1557212400"; d="scan'208";a="164012735" 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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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 lock= ed 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[] =3D { CPUID_7_0_ECX_MOVDIR64B, .features[FEAT_7_0_EDX] =3D 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] =3D + MSR_CORE_CAP_SPLIT_LOCK_DETECT, /* * Missing: XSAVES (not supported by some Linux versions, * including v4.1 to v4.12). --=20 2.17.2