From: Marcelo Tosatti <mtosatti@redhat.com>
Date: Wed, 15 Oct 2008 09:45:08 +0000 (-0200)
Subject: KVM: MMU: sync root on paravirt TLB flush
X-Git-Tag: v2.6.28-rc3~87^2~4
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=6ad9f15c94822c3f067a7d443f3b414e08b34460;p=linux-2.6-omap-h63xx.git

KVM: MMU: sync root on paravirt TLB flush

The pvmmu TLB flush handler should request a root sync, similarly to
a native read-write CR3.

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 99c239c5c0a..2a5e64881d9 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2634,6 +2634,7 @@ 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);
 	return 1;
 }