From patchwork Wed May 5 12:19:49 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiao Guangrong X-Patchwork-Id: 97065 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o45CNMsM007906 for ; Wed, 5 May 2010 12:23:22 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934114Ab0EEMW6 (ORCPT ); Wed, 5 May 2010 08:22:58 -0400 Received: from cn.fujitsu.com ([222.73.24.84]:49862 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S932090Ab0EEMW6 (ORCPT ); Wed, 5 May 2010 08:22:58 -0400 Received: from tang.cn.fujitsu.com (tang.cn.fujitsu.com [10.167.250.3]) by song.cn.fujitsu.com (Postfix) with ESMTP id 0683C170128; Wed, 5 May 2010 20:22:56 +0800 (CST) Received: from fnst.cn.fujitsu.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id o45CL5av007178; Wed, 5 May 2010 20:21:05 +0800 Received: from [10.167.141.99] (unknown [10.167.141.99]) by fnst.cn.fujitsu.com (Postfix) with ESMTPA id D39F4DC2FF; Wed, 5 May 2010 20:26:13 +0800 (CST) Message-ID: <4BE16265.7060004@cn.fujitsu.com> Date: Wed, 05 May 2010 20:19:49 +0800 From: Xiao Guangrong User-Agent: Thunderbird 2.0.0.24 (Windows/20100228) MIME-Version: 1.0 To: Avi Kivity CC: Marcelo Tosatti , KVM list , LKML Subject: [PATCH 1/2] KVM MMU: fix for forgot mark parent->unsync_children bit 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 (demeter.kernel.org [140.211.167.41]); Wed, 05 May 2010 12:23:22 +0000 (UTC) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 97f2ea0..bf35a2f 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1374,7 +1374,9 @@ static struct kvm_mmu_page *kvm_mmu_get_page(struct kvm_vcpu *vcpu, if (sp->unsync_children) { set_bit(KVM_REQ_MMU_SYNC, &vcpu->requests); kvm_mmu_mark_parents_unsync(sp); - } + } else if (sp->unsync) + kvm_mmu_mark_parents_unsync(sp); + trace_kvm_mmu_get_page(sp, false); return sp; }