[PATCH 28/46] KVM: Discard unnecessary kvm_mmu_flush_tlb() in kvm_mmu_load()

[Avi Kivity]

From: Sheng Yang <sheng@xxxxxxxxxxxxxxx>

set_cr3() should already cover the TLB flushing.

Signed-off-by: Sheng Yang <sheng@xxxxxxxxxxxxxxx>
Signed-off-by: Marcelo Tosatti <mtosatti@xxxxxxxxxx>
---
 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

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