From nobody Fri Oct 3 20:22:40 2025 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=1565117877; cv=none; d=zoho.com; s=zohoarc; b=SzmmcEKbzBEPEIwtIgvBkWWhYLSbNaKrx326Fabjn/jcvV6SNjhxrhd51jKXQMXNAnVBgrzysqVwS7XbaV8byM8xVHGtRSCH3zNpIAaMcrsiEEkIW1F/O5ZuOnp2m/la+oyRnPXdPh+4bU8gXpA2jL1exDWUJvX1AskaXll7cRQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1565117877; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=bRT89UCfb0h5GGUHNC6mUj7qxTVBfLIcfurbhIej1JY=; b=UYeDbgCqDdziDw/0FSRHT9MIU3bhGwC2M+UpWiS6/Np7gISvC1XNhe8dUzKNd9cwUj92z+PrdzoE9PFRXLExxft8XWNMbP8aEgiGBD7z7tmiwr98Mw7E1IIFy47R5f4jPKN4Mbb+lppv9KdIfYXIyjQXleQWfwURnp5FfLLMyX8= 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 1565117877714152.71679428598873; Tue, 6 Aug 2019 11:57:57 -0700 (PDT) Received: from localhost ([::1]:35680 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hv4ei-00066W-NJ for importer@patchew.org; Tue, 06 Aug 2019 14:57:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41106) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hv4dy-0004OI-8Z for qemu-devel@nongnu.org; Tue, 06 Aug 2019 14:57:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hv4dx-00075o-6C for qemu-devel@nongnu.org; Tue, 06 Aug 2019 14:57:10 -0400 Received: from mga14.intel.com ([192.55.52.115]:31811) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hv4dw-00072G-Rc for qemu-devel@nongnu.org; Tue, 06 Aug 2019 14:57:09 -0400 Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Aug 2019 11:57:00 -0700 Received: from sjchrist-coffee.jf.intel.com ([10.54.74.41]) by orsmga003.jf.intel.com with ESMTP; 06 Aug 2019 11:56:59 -0700 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,353,1559545200"; d="scan'208";a="176715090" From: Sean Christopherson To: Eduardo Habkost , Igor Mammedov , "Michael S. Tsirkin" , Marcel Apfelbaum , Paolo Bonzini , Richard Henderson , Cornelia Huck , Eric Blake , Markus Armbruster , Marcelo Tosatti Date: Tue, 6 Aug 2019 11:56:38 -0700 Message-Id: <20190806185649.2476-10-sean.j.christopherson@intel.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190806185649.2476-1-sean.j.christopherson@intel.com> References: <20190806185649.2476-1-sean.j.christopherson@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.115 Subject: [Qemu-devel] [RFC PATCH 09/20] i386: Add feature control MSR dependency when SGX is enabled 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: qemu-devel@nongnu.org, kvm@vger.kernel.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" SGX adds multiple flags to FEATURE_CONTROL to enable SGX and Flexible Launch Control. Signed-off-by: Sean Christopherson --- target/i386/kvm.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/target/i386/kvm.c b/target/i386/kvm.c index 07565820bd..e40c4fd673 100644 --- a/target/i386/kvm.c +++ b/target/i386/kvm.c @@ -1657,6 +1657,11 @@ int kvm_arch_init_vcpu(CPUState *cs) !!(c->ecx & CPUID_EXT_SMX); } =20 + c =3D cpuid_find_entry(&cpuid_data.cpuid, 7, 0); + if (c && (c->ebx & CPUID_7_0_EBX_SGX)) { + has_msr_feature_control =3D true; + } + if (env->mcg_cap & MCG_LMCE_P) { has_msr_mcg_ext_ctl =3D has_msr_feature_control =3D true; } --=20 2.22.0