From patchwork Tue Aug 7 09:52:13 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiao Guangrong X-Patchwork-Id: 1284791 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 1AB8CDF280 for ; Tue, 7 Aug 2012 09:52:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754029Ab2HGJwX (ORCPT ); Tue, 7 Aug 2012 05:52:23 -0400 Received: from e28smtp01.in.ibm.com ([122.248.162.1]:35260 "EHLO e28smtp01.in.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753651Ab2HGJwV (ORCPT ); Tue, 7 Aug 2012 05:52:21 -0400 Received: from /spool/local by e28smtp01.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 7 Aug 2012 15:22:19 +0530 Received: from d28relay03.in.ibm.com (9.184.220.60) by e28smtp01.in.ibm.com (192.168.1.131) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Tue, 7 Aug 2012 15:22:17 +0530 Received: from d28av03.in.ibm.com (d28av03.in.ibm.com [9.184.220.65]) by d28relay03.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q779qGJu28573732; Tue, 7 Aug 2012 15:22:16 +0530 Received: from d28av03.in.ibm.com (loopback [127.0.0.1]) by d28av03.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q779qG9Q016867; Tue, 7 Aug 2012 19:52:16 +1000 Received: from localhost.localdomain ([9.123.236.99]) by d28av03.in.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id q779qEXY016707; Tue, 7 Aug 2012 19:52:14 +1000 Message-ID: <5020E54D.9060004@linux.vnet.ibm.com> Date: Tue, 07 Aug 2012 17:52:13 +0800 From: Xiao Guangrong User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:14.0) Gecko/20120717 Thunderbird/14.0 MIME-Version: 1.0 To: Xiao Guangrong CC: Avi Kivity , Marcelo Tosatti , LKML , KVM Subject: [PATCH v5 07/12] KVM: introduce KVM_PFN_ERR_RO_FAULT References: <5020E423.9080004@linux.vnet.ibm.com> In-Reply-To: <5020E423.9080004@linux.vnet.ibm.com> x-cbid: 12080709-4790-0000-0000-00000407037C Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org In the later patch, it indicates failure when we try to get a writable pfn from the readonly memslot Signed-off-by: Xiao Guangrong --- include/linux/kvm_host.h | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 187c9c8..8306f24 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -60,6 +60,7 @@ #define KVM_PFN_ERR_FAULT (KVM_PFN_ERR_MASK) #define KVM_PFN_ERR_HWPOISON (KVM_PFN_ERR_MASK + 1) #define KVM_PFN_ERR_BAD (KVM_PFN_ERR_MASK + 2) +#define KVM_PFN_ERR_RO_FAULT (KVM_PFN_ERR_MASK + 3) static inline bool is_error_pfn(pfn_t pfn) {