From mboxrd@z Thu Jan 1 00:00:00 1970 From: Xiao Guangrong Subject: [PATCH v2 4/10] KVM: MMU: fix forgot to flush all vcpu's tlb Date: Fri, 25 Jun 2010 20:06:16 +0800 Message-ID: <4C249BB8.1020308@cn.fujitsu.com> References: <4C2498EC.2010006@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: Marcelo Tosatti , LKML , KVM list To: Avi Kivity Return-path: Received: from cn.fujitsu.com ([222.73.24.84]:51427 "EHLO song.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1755233Ab0FYMKA (ORCPT ); Fri, 25 Jun 2010 08:10:00 -0400 In-Reply-To: <4C2498EC.2010006@cn.fujitsu.com> Sender: kvm-owner@vger.kernel.org List-ID: After remove a rmap, we should flush all vcpu's tlb Signed-off-by: Xiao Guangrong --- arch/x86/kvm/mmu.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 0412ba4..f151540 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -1933,6 +1933,8 @@ static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *sptep, pgprintk("hfn old %lx new %lx\n", spte_to_pfn(*sptep), pfn); rmap_remove(vcpu->kvm, sptep); + __set_spte(sptep, shadow_trap_nonpresent_pte); + kvm_flush_remote_tlbs(vcpu->kvm); } else was_rmapped = 1; } -- 1.6.1.2