From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933694AbZHWMAX (ORCPT ); Sun, 23 Aug 2009 08:00:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933561AbZHWMAT (ORCPT ); Sun, 23 Aug 2009 08:00:19 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60138 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933551AbZHWL4u (ORCPT ); Sun, 23 Aug 2009 07:56:50 -0400 From: Avi Kivity To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH 28/46] KVM: Discard unnecessary kvm_mmu_flush_tlb() in kvm_mmu_load() Date: Sun, 23 Aug 2009 14:56:27 +0300 Message-Id: <1251028605-31977-29-git-send-email-avi@redhat.com> In-Reply-To: <1251028605-31977-1-git-send-email-avi@redhat.com> References: <1251028605-31977-1-git-send-email-avi@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sheng Yang set_cr3() should already cover the TLB flushing. Signed-off-by: Sheng Yang Signed-off-by: Marcelo Tosatti --- arch/x86/kvm/mmu.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index f1f0815..87c67f4 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2373,8 +2373,8 @@ int kvm_mmu_load(struct kvm_vcpu *vcpu) spin_unlock(&vcpu->kvm->mmu_lock); if (r) goto out; + /* set_cr3() should ensure TLB has been flushed */ kvm_x86_ops->set_cr3(vcpu, vcpu->arch.mmu.root_hpa); - kvm_mmu_flush_tlb(vcpu); out: return r; } -- 1.6.4.1