From patchwork Tue Oct 22 07:35:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cathy Zhang X-Patchwork-Id: 1181090 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=intel.com 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 ozlabs.org (Postfix) with ESMTPS id 46y54l2XBsz9sPl for ; Tue, 22 Oct 2019 18:39:51 +1100 (AEDT) Received: from localhost ([::1]:51138 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iMolg-0003ig-OK for incoming@patchwork.ozlabs.org; Tue, 22 Oct 2019 03:39:48 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40888) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iMolA-0003gl-1r for qemu-devel@nongnu.org; Tue, 22 Oct 2019 03:39:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iMol8-0004A5-Sa for qemu-devel@nongnu.org; Tue, 22 Oct 2019 03:39:15 -0400 Received: from mga11.intel.com ([192.55.52.93]:62451) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iMol8-000485-L8 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 00:39:07 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,326,1566889200"; d="scan'208";a="209615713" Received: from unknown (HELO localhost.localdomain.bj.intel.com) ([10.238.156.101]) by fmsmga001.fm.intel.com with ESMTP; 22 Oct 2019 00:39:06 -0700 From: Cathy Zhang To: qemu-devel@nongnu.org Subject: [Resend PATCH 2/3] i386: Add macro for stibp Date: Tue, 22 Oct 2019 15:35:27 +0800 Message-Id: <1571729728-23284-3-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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" stibp feature is already added through the following commit. https://github.com/qemu/qemu/commit/0e8916582991b9fd0b94850a8444b8b80d0a0955 Add a macro for it to allow CPU models to report it when host supports. Signed-off-by: Cathy Zhang Reviewed-by: Xiaoyao Li Reviewed-by: Tao Xu --- target/i386/cpu.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target/i386/cpu.h b/target/i386/cpu.h index e757149..8f8efd7 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -717,6 +717,8 @@ typedef uint64_t FeatureWordArray[FEATURE_WORDS]; #define CPUID_7_0_EDX_AVX512_4VNNIW (1U << 2) /* AVX512 Neural Network Instructions */ #define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3) /* AVX512 Multiply Accumulation Single Precision */ #define CPUID_7_0_EDX_SPEC_CTRL (1U << 26) /* Speculation Control */ +/* Single Thread Indirect Branch Predictors */ +#define CPUID_7_0_EDX_STIBP (1U << 27) #define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29) /*Arch Capabilities*/ #define CPUID_7_0_EDX_CORE_CAPABILITY (1U << 30) /*Core Capability*/ #define CPUID_7_0_EDX_SPEC_CTRL_SSBD (1U << 31) /* Speculative Store Bypass Disable */