From nobody Sun Feb 8 21:29:32 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=1621489681; cv=none; d=zohomail.com; s=zohoarc; b=ZDDGf8ySWkZNyBlgQo4psfqCn421QLIqyhHOqgIqIvwGUxG6k0xVZ0tPjfiQXAic7SmL40wV7jkRgzvSHW5RLk1b1imWSsF8T/jqYBJQVISgb2usIIfRo50nI0wNEDrXIlsAGlFzstJmNos3ngSish+UB1XpxrKBM3v1NnUrtl8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1621489681; 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=zPuebxj+tlKbUV/jjcZeWtTopaO1zMx8a64DUlImxXI=; b=RJX+b4d2H2HC1umMy31OZnW2pYnh6uyi7HyCJSjZMy5pGRihBloJHmv0E9zD+RQJT21ohE6ZexoHu4Twk+t18Bhccd2+7WVyBMT+96P4cWYV0I5UPyYIIMVzwTzylBAt4EvY9GjcMcNPVGKEOLctZgJFel/7bA3fmaPlD0ayA6I= 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 1621489681631102.62554046727803; Wed, 19 May 2021 22:48:01 -0700 (PDT) Received: from localhost ([::1]:59972 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ljbXM-0003nH-CG for importer@patchew.org; Thu, 20 May 2021 01:48:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60770) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ljbTM-0005EL-UT for qemu-devel@nongnu.org; Thu, 20 May 2021 01:43:52 -0400 Received: from mga06.intel.com ([134.134.136.31]:7428) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ljbTJ-0007Ed-VL for qemu-devel@nongnu.org; Thu, 20 May 2021 01:43:52 -0400 Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 May 2021 22:43:49 -0700 Received: from michael-optiplex-9020.sh.intel.com ([10.239.159.172]) by fmsmga008.fm.intel.com with ESMTP; 19 May 2021 22:43:46 -0700 IronPort-SDR: E+Nv6HkK62VuO+3ouN9HIzsALySHqVrO/yHBT5gu/uyhfBDh4/Ne+vco88GGZxcP4hjcXdPkYt kakgQQXgpy+g== X-IronPort-AV: E=McAfee;i="6200,9189,9989"; a="262370953" X-IronPort-AV: E=Sophos;i="5.82,313,1613462400"; d="scan'208";a="262370953" IronPort-SDR: l86XHgvatcBptmpFu20V5aILv2evHBb0zd6N8/ETmsvws9g1pH0G5RhSv3WcxZrVL91D2+7ULl R0J8GxBjTG+g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,313,1613462400"; d="scan'208";a="440160347" From: Yang Weijiang To: pbonzini@redhat.com, ehabkost@redhat.com, mtosatti@redhat.com, seanjc@google.com, richard.henderson@linaro.org, qemu-devel@nongnu.org, kvm@vger.kernel.org Subject: [PATCH v8 6/6] target/i386: Advise CET bits in CPU/MSR feature words Date: Thu, 20 May 2021 13:57:11 +0800 Message-Id: <1621490231-4765-7-git-send-email-weijiang.yang@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1621490231-4765-1-git-send-email-weijiang.yang@intel.com> References: <1621490231-4765-1-git-send-email-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=134.134.136.31; envelope-from=weijiang.yang@intel.com; helo=mga06.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_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 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 bae827c8d5..b432b681d8 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -958,7 +958,7 @@ 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, @@ -981,7 +981,7 @@ 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, "avx512-fp16", + "ibt", NULL, NULL, "avx512-fp16", NULL, NULL, "spec-ctrl", "stibp", NULL, "arch-capabilities", "core-capability", "ssbd", }, @@ -1243,7 +1243,7 @@ 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, "vmx-exit-load-pkrs", NULL, NULL, + "vmx-exit-save-cet-ctl", "vmx-exit-load-pkrs", NULL, NULL, }, .msr =3D { .index =3D MSR_IA32_VMX_TRUE_EXIT_CTLS, @@ -1258,7 +1258,7 @@ 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, "vmx-entry-load-pkrs", NULL, + "vmx-entry-load-cet-ctl", NULL, "vmx-entry-load-pkrs", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, }, --=20 2.26.2