KVM: Discard unnecessary kvm_mmu_flush_tlb() in kvm_mmu_load()

set_cr3() should already cover the TLB flushing.

Signed-off-by: Sheng Yang <sheng@linux.intel.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index f1f0815..87c67f4 100644 (file)
--- 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;
 }