From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiao Guangrong Subject: Re: [PATCH 1/2] KVM MMU: fix for forgot mark parent->unsync_children bit Date: Wed, 05 May 2010 20:35:21 +0800 Message-ID: <4BE16609.1030705@cn.fujitsu.com> References: <4BE16265.7060004@cn.fujitsu.com> <4BE164D9.2030301@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: Marcelo Tosatti , KVM list , LKML To: Avi Kivity Return-path: Received: from cn.fujitsu.com ([222.73.24.84]:64048 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S934492Ab0EEMic (ORCPT ); Wed, 5 May 2010 08:38:32 -0400 In-Reply-To: <4BE164D9.2030301@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Avi Kivity wrote: > On 05/05/2010 03:19 PM, Xiao Guangrong wrote: >> When mapping a new parent to unsync shadow page, we should mark >> parent's unsync_children bit >> >> Reported-by: Marcelo Tosatti >> Signed-off-by: Xiao Guangrong >> --- >> arch/x86/kvm/mmu.c | 4 +++- >> 1 files changed, 3 insertions(+), 1 deletions(-) >> >> 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; >> } >> > > > Which patch does this fix? If it wasn't merge yet, please repost with > the fix included. Oh, OK, i'll sent the previous pathset that are reverted by Marcelo. Thanks, Xiao