From nobody Wed Sep 10 01:54:46 2025 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0C062353366; Thu, 21 Aug 2025 13:32:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755783133; cv=none; b=glLAxAUs8IpD+iVQmeyLYBm/QVLyN+xK0QsYyvB6QYvmZ6U6xeOhex5p1JYlymfh9mreg8flZe9vQi79WgoL2Kt/21ZMF20939xuaspBjaNc3BeU3Gh7Y+AbrRv57E8o5bE3iaf4FaobFyHlTfDNpbn+t0yrE3v/b69jh5LRlRE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755783133; c=relaxed/simple; bh=nf0inpYa+sfc44de2O1vh89NSTPegEjMA0E7W8+i5AE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=jEqWsQZSe5OFRY0rYL9feXM2i3ZdgAI++1NqmFpV/sPvVAiTeBw4UP1brqzVlC3rxjmifQZ4WnKIGYIz0JNiMfi3uoq9q2GMWKzvnGStRWchEpVX1KQPhXP38zVak3k6y5Gy7osmJ3v1JFDJSUxtp53HW589kymub4iwfW0QAfI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=AtZksvAI; arc=none smtp.client-ip=192.198.163.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="AtZksvAI" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1755783132; x=1787319132; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=nf0inpYa+sfc44de2O1vh89NSTPegEjMA0E7W8+i5AE=; b=AtZksvAIGNSZtFd9Xi2DqEdvUi33cOrQupSrf3GPpNSVDsf0EmGq15ja HYfRAFfVUyXOYbjanIDxPLZ/BLP7gzksfk1S6hpsZSCXsT6h0iVunVMoW CQrj9tp4cHynd9sAobYJIV4vF7A3LxOp8LFyPy+XffPVCNcwvxARAJZ89 JVVLmbr4n+oGpiqv2Lnk4e/XNu3NCt7rIDtxIE2ATMPTcHNvWd8M0yfMF vzBuaiozcWCUKPuHYb4RbgKFUa7uF3CfPhLZ6oe/UKukTtQsHkFWx0OLg EClpibtZVoGD/fQkOu/ge41MLum1oETy4Q0JEXqdXOXsRMpqHWiqmu9bY g==; X-CSE-ConnectionGUID: X5ik+wptSVC7hoCKu590sQ== X-CSE-MsgGUID: W2/Q6t7fT6KyxkAC8eMrNA== X-IronPort-AV: E=McAfee;i="6800,10657,11529"; a="69446239" X-IronPort-AV: E=Sophos;i="6.17,306,1747724400"; d="scan'208";a="69446239" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Aug 2025 06:32:02 -0700 X-CSE-ConnectionGUID: hR9w0QgeSuCeEL2BVYAH9A== X-CSE-MsgGUID: dLXOcJHETPenMJY/YxIVtg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,306,1747724400"; d="scan'208";a="199285444" Received: from 984fee019967.jf.intel.com ([10.165.54.94]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Aug 2025 06:32:00 -0700 From: Chao Gao To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: chao.gao@intel.com, bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, john.allen@amd.com, mingo@redhat.com, minipli@grsecurity.net, mlevitsk@redhat.com, pbonzini@redhat.com, rick.p.edgecombe@intel.com, seanjc@google.com, tglx@linutronix.de, weijiang.yang@intel.com, x86@kernel.org, xin@zytor.com Subject: [PATCH v13 20/21] KVM: nVMX: Advertise new VM-Entry/Exit control bits for CET state Date: Thu, 21 Aug 2025 06:30:54 -0700 Message-ID: <20250821133132.72322-21-chao.gao@intel.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20250821133132.72322-1-chao.gao@intel.com> References: <20250821133132.72322-1-chao.gao@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Advertise new VM-Entry/Exit control bits as all nested support for CET virtualization, including consistency checks, is in place. Signed-off-by: Chao Gao --- v13: new --- arch/x86/kvm/vmx/nested.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c index edb3b877a0f6..d7e2fb30fc1a 100644 --- a/arch/x86/kvm/vmx/nested.c +++ b/arch/x86/kvm/vmx/nested.c @@ -7176,7 +7176,7 @@ static void nested_vmx_setup_exit_ctls(struct vmcs_co= nfig *vmcs_conf, VM_EXIT_HOST_ADDR_SPACE_SIZE | #endif VM_EXIT_LOAD_IA32_PAT | VM_EXIT_SAVE_IA32_PAT | - VM_EXIT_CLEAR_BNDCFGS; + VM_EXIT_CLEAR_BNDCFGS | VM_EXIT_LOAD_CET_STATE; msrs->exit_ctls_high |=3D VM_EXIT_ALWAYSON_WITHOUT_TRUE_MSR | VM_EXIT_LOAD_IA32_EFER | VM_EXIT_SAVE_IA32_EFER | @@ -7198,7 +7198,8 @@ static void nested_vmx_setup_entry_ctls(struct vmcs_c= onfig *vmcs_conf, #ifdef CONFIG_X86_64 VM_ENTRY_IA32E_MODE | #endif - VM_ENTRY_LOAD_IA32_PAT | VM_ENTRY_LOAD_BNDCFGS; + VM_ENTRY_LOAD_IA32_PAT | VM_ENTRY_LOAD_BNDCFGS | + VM_ENTRY_LOAD_CET_STATE; msrs->entry_ctls_high |=3D (VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR | VM_ENTRY_LOAD_IA32_EFER | VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL); --=20 2.47.3