From nobody Mon Feb 9 03:12:48 2026 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 ARC-Seal: i=1; a=rsa-sha256; t=1602566170; cv=none; d=zohomail.com; s=zohoarc; b=ZEAfaZxPb5TihXZErNya4IbYwW5dyHTcBJHjbTcNJcDSko1/8var1SnsmPHUS0CJ0hDNQ1ruUTDfW6GbHBMBd5Xy2DcyAuAzKQ70+QkY7KkQaXsOj+IYT4cQXDg7vvKkT8+1n8nh2w8oq7uOjv1Ngv1aCZW6g4rEwZ9RpgP7QgU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1602566170; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=ERdlGfqpRNxAWe5JrRa39VFo5VJ8Z6mTf1Wc74Nb6y8=; b=F4NjBCn+xAG+w9U+GxnWrbjLkHrqIAzTcJ0OpOAecJsEKqFk9WDk1hemwnVsvXsuA3FScIJ35oVj2bAL0fWPO7l7CBo1D5dRpwkvGBiXX8xCrZMc4FN2uEUZdUWm2d+tu3o9GIKhuu/IjNVnJ+FbU2mH3UXE0L71UW2p2WXtdVA= ARC-Authentication-Results: i=1; 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 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 1602566170768398.8098779463811; Mon, 12 Oct 2020 22:16:10 -0700 (PDT) Received: from localhost ([::1]:51570 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kSCfR-0007vk-LX for importer@patchew.org; Tue, 13 Oct 2020 01:16:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44564) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kSCa9-0001yF-HY for qemu-devel@nongnu.org; Tue, 13 Oct 2020 01:10:41 -0400 Received: from mga11.intel.com ([192.55.52.93]:57355) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kSCa7-0006bT-LC for qemu-devel@nongnu.org; Tue, 13 Oct 2020 01:10:41 -0400 Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Oct 2020 22:10:38 -0700 Received: from unknown (HELO local-michael-cet-test.sh.intel.com) ([10.239.159.128]) by fmsmga001.fm.intel.com with ESMTP; 12 Oct 2020 22:10:36 -0700 IronPort-SDR: ZDUrle0MO2D/+wJRqfrsjHnB/Ur3vweJhAQepoaWw/R7rz43HwDKzC49UeIYe36cGw2R2ERWC8 YP10bORfbHKA== X-IronPort-AV: E=McAfee;i="6000,8403,9772"; a="162385628" X-IronPort-AV: E=Sophos;i="5.77,369,1596524400"; d="scan'208";a="162385628" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False IronPort-SDR: F11YT0Q2xbpycPdedWPh7jUu6EgnjR+AGAvLe3WCvq6dI2hT/FUKNBB1JB8QiPeWs8+4ohux7F mZE0aujyF0/w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,369,1596524400"; d="scan'208";a="420427137" From: Yang Weijiang To: pbonzini@redhat.com, mtosatti@redhat.com, rth@twiddle.net, ehabkost@redhat.com, sean.j.christopherson@intel.com, qemu-devel@nongnu.org Subject: [Qemu-devel][PATCH v6 6/6] x86/cpu: Advise CET bits in CPU/MSR feature words Date: Tue, 13 Oct 2020 13:19:35 +0800 Message-Id: <20201013051935.6052-7-weijiang.yang@intel.com> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20201013051935.6052-1-weijiang.yang@intel.com> References: <20201013051935.6052-1-weijiang.yang@intel.com> 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=192.55.52.93; envelope-from=weijiang.yang@intel.com; helo=mga11.intel.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/13 01:10:25 X-ACL-Warn: Detected OS = FreeBSD 9.x or newer [fuzzy] X-Spam_score_int: -68 X-Spam_score: -6.9 X-Spam_bar: ------ X-Spam_report: (-6.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=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: Yang Weijiang , hao.wu@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" CET SHSTK and IBT feature are enumerated via CPUID.(EAX=3D07H,ECX=3D0H):ECX= [bit 7] and EDX[bit 20]. CET state load/restore at vmentry/vmexit are enabled via VMX_ENTRY_CTLS[bit 20] and VMX_EXIT_CTLS[bit 28]. Signed-off-by: Yang Weijiang --- target/i386/cpu.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 5496fd68d4..904bf1d4b6 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -965,7 +965,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS]= =3D { .type =3D CPUID_FEATURE_WORD, .feat_names =3D { NULL, "avx512vbmi", "umip", "pku", - NULL /* ospke */, "waitpkg", "avx512vbmi2", NULL, + NULL /* ospke */, "waitpkg", "avx512vbmi2", "shstk", "gfni", "vaes", "vpclmulqdq", "avx512vnni", "avx512bitalg", NULL, "avx512-vpopcntdq", NULL, "la57", NULL, NULL, NULL, @@ -988,7 +988,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORDS]= =3D { "avx512-vp2intersect", NULL, "md-clear", NULL, NULL, NULL, "serialize", NULL, "tsx-ldtrk", NULL, NULL /* pconfig */, NULL, - NULL, NULL, NULL, NULL, + "ibt", NULL, NULL, NULL, NULL, NULL, "spec-ctrl", "stibp", NULL, "arch-capabilities", "core-capability", "ssbd", }, @@ -1250,7 +1250,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORD= S] =3D { "vmx-exit-save-efer", "vmx-exit-load-efer", "vmx-exit-save-preemption-timer", "vmx-exit-clear-bndcfgs", NULL, "vmx-exit-clear-rtit-ctl", NULL, NULL, - NULL, NULL, NULL, NULL, + "vmx-exit-save-cet-ctl", NULL, NULL, NULL, }, .msr =3D { .index =3D MSR_IA32_VMX_TRUE_EXIT_CTLS, @@ -1265,7 +1265,7 @@ static FeatureWordInfo feature_word_info[FEATURE_WORD= S] =3D { NULL, "vmx-entry-ia32e-mode", NULL, NULL, NULL, "vmx-entry-load-perf-global-ctrl", "vmx-entry-load-pat",= "vmx-entry-load-efer", "vmx-entry-load-bndcfgs", NULL, "vmx-entry-load-rtit-ctl", NUL= L, - NULL, NULL, NULL, NULL, + "vmx-entry-load-cet-ctl", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, }, --=20 2.26.2