From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933054Ab2IGGPR (ORCPT ); Fri, 7 Sep 2012 02:15:17 -0400 Received: from e23smtp06.au.ibm.com ([202.81.31.148]:46610 "EHLO e23smtp06.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932282Ab2IGGPN (ORCPT ); Fri, 7 Sep 2012 02:15:13 -0400 Message-ID: <504990E7.6040604@linux.vnet.ibm.com> Date: Fri, 07 Sep 2012 14:15:03 +0800 From: Xiao Guangrong User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120827 Thunderbird/15.0 MIME-Version: 1.0 To: Xiao Guangrong CC: Avi Kivity , Marcelo Tosatti , LKML , KVM Subject: [PATCH 3/3] KVM: MMU: remove unnecessary check References: <5049908A.7070501@linux.vnet.ibm.com> In-Reply-To: <5049908A.7070501@linux.vnet.ibm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit x-cbid: 12090706-7014-0000-0000-000001DB479F Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Checking the return of kvm_mmu_get_page is unnecessary since it is guaranteed by memory cache Signed-off-by: Xiao Guangrong --- arch/x86/kvm/mmu.c | 5 ----- 1 files changed, 0 insertions(+), 5 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 3c10bca..98cf4bf 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2625,11 +2625,6 @@ static int __direct_map(struct kvm_vcpu *vcpu, gpa_t v, int write, sp = kvm_mmu_get_page(vcpu, pseudo_gfn, iterator.addr, iterator.level - 1, 1, ACC_ALL, iterator.sptep); - if (!sp) { - pgprintk("nonpaging_map: ENOMEM\n"); - mmu_release_pfn_clean(pfn); - return -ENOMEM; - } mmu_spte_set(iterator.sptep, __pa(sp->spt) -- 1.7.7.6