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 <a...@redhat.com>
---
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 6880a4c..7030b5f 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2927,8 +2927,7 @@ 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;
}
--
1.6.0.6
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