From patchwork Fri Sep 10 15:31:05 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joerg Roedel X-Patchwork-Id: 169622 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id o8AFdcOF003840 for ; Fri, 10 Sep 2010 15:39:38 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754499Ab0IJPck (ORCPT ); Fri, 10 Sep 2010 11:32:40 -0400 Received: from tx2ehsobe003.messaging.microsoft.com ([65.55.88.13]:35420 "EHLO TX2EHSOBE006.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753114Ab0IJPci (ORCPT ); Fri, 10 Sep 2010 11:32:38 -0400 Received: from mail186-tx2-R.bigfish.com (10.9.14.252) by TX2EHSOBE006.bigfish.com (10.9.40.26) with Microsoft SMTP Server id 8.1.340.0; Fri, 10 Sep 2010 15:32:38 +0000 Received: from mail186-tx2 (localhost.localdomain [127.0.0.1]) by mail186-tx2-R.bigfish.com (Postfix) with ESMTP id 7CF645C850C; Fri, 10 Sep 2010 15:32:38 +0000 (UTC) X-SpamScore: 1 X-BigFish: VS1(zzzz1202hzz8275bhz32i2a8h87h61h) X-Spam-TCS-SCL: 0:0 X-FB-DOMAIN-IP-MATCH: fail Received: from mail186-tx2 (localhost.localdomain [127.0.0.1]) by mail186-tx2 (MessageSwitch) id 1284132757517201_4999; Fri, 10 Sep 2010 15:32:37 +0000 (UTC) Received: from TX2EHSMHS041.bigfish.com (unknown [10.9.14.236]) by mail186-tx2.bigfish.com (Postfix) with ESMTP id 6E0B79F0053; Fri, 10 Sep 2010 15:32:37 +0000 (UTC) Received: from ausb3extmailp02.amd.com (163.181.251.22) by TX2EHSMHS041.bigfish.com (10.9.99.141) with Microsoft SMTP Server (TLS) id 14.0.482.44; Fri, 10 Sep 2010 15:32:22 +0000 Received: from ausb3twp01.amd.com (ausb3twp01.amd.com [163.181.250.37]) by ausb3extmailp02.amd.com (Switch-3.2.7/Switch-3.2.7) with SMTP id o8AFXjKi025688; Fri, 10 Sep 2010 10:34:34 -0500 X-WSS-ID: 0L8JF43-01-7OX-02 X-M-MSG: Received: from sausexhtp01.amd.com (sausexhtp01.amd.com [163.181.3.165]) (using TLSv1 with cipher RC4-MD5 (128/128 bits)) (No client certificate requested) by ausb3twp01.amd.com (Tumbleweed MailGate 3.7.2) with ESMTP id 29C7810286F9; Fri, 10 Sep 2010 10:31:15 -0500 (CDT) Received: from storexhtp01.amd.com (172.24.4.3) by sausexhtp01.amd.com (163.181.3.165) with Microsoft SMTP Server (TLS) id 8.3.83.0; Fri, 10 Sep 2010 10:31:18 -0500 Received: from gwo.osrc.amd.com (165.204.16.204) by storexhtp01.amd.com (172.24.4.3) with Microsoft SMTP Server id 8.3.83.0; Fri, 10 Sep 2010 11:31:18 -0400 Received: from lemmy.osrc.amd.com (lemmy.osrc.amd.com [165.204.15.93]) by gwo.osrc.amd.com (Postfix) with ESMTP id 1AB3549C2BE; Fri, 10 Sep 2010 16:31:17 +0100 (BST) Received: by lemmy.osrc.amd.com (Postfix, from userid 1000) id 4B9A1A0500; Fri, 10 Sep 2010 17:31:36 +0200 (CEST) From: Joerg Roedel To: Avi Kivity , Marcelo Tosatti CC: , , Joerg Roedel Subject: [PATCH 28/29] KVM: SVM: Report Nested Paging support to userspace Date: Fri, 10 Sep 2010 17:31:05 +0200 Message-ID: <1284132667-18620-29-git-send-email-joerg.roedel@amd.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1284132667-18620-1-git-send-email-joerg.roedel@amd.com> References: <1284132667-18620-1-git-send-email-joerg.roedel@amd.com> MIME-Version: 1.0 X-Reverse-DNS: ausb3extmailp02.amd.com Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Fri, 10 Sep 2010 15:39:39 +0000 (UTC) diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index ede95e0..678602e 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -3476,6 +3476,10 @@ static void svm_set_supported_cpuid(u32 func, struct kvm_cpuid_entry2 *entry) if (svm_has(SVM_FEATURE_NRIP)) entry->edx |= SVM_FEATURE_NRIP; + /* Support NPT for the guest if enabled */ + if (npt_enabled) + entry->edx |= SVM_FEATURE_NPT; + break; } }