From 5bd236406ede672ca317a21454879abd86c8f897 Mon Sep 17 00:00:00 2001
From: Marcelo Tosatti <mtosatti@redhat.com>
Date: Mon, 15 Jun 2009 18:47:06 -0300
Subject: [PATCH] KVM: Make paravirt tlb flush also reload the PAE PDPTRs

KVM: Make paravirt tlb flush also reload the PAE PDPTRs

The paravirt tlb flush may be used not only to flush TLBs, but also
to reload the four page-directory-pointer-table entries, as it is used
as a replacement for reloading CR3.  Change the code to do the entire
CR3 reloading dance instead of simply flushing the TLB.

Signed-off-by: Avi Kivity <avi@redhat.com>
Message-ID: <20090615214706.GA26899@amt.cnet>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: Avi Kivity <avi@redhat.com>
Acked-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Chris Wright <chrisw@redhat.com>
Bugzilla: 504237
---
 arch/x86/kvm/mmu.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index c36a9d4..d82f9ab 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2993,8 +2993,7 @@ static int kvm_pv_mmu_write(struct kvm_vcpu *vcpu,
 
 static int kvm_pv_mmu_flush_tlb(struct kvm_vcpu *vcpu)
 {
-	kvm_x86_ops->tlb_flush(vcpu);
-	set_bit(KVM_REQ_MMU_SYNC, &vcpu->requests);
+	kvm_set_cr3(vcpu, vcpu->arch.cr3);
 	return 1;
 }
 
-- 
1.6.3.rc4.29.g8146