提交 45bd07b9 编写于 作者: A Avi Kivity

KVM: MMU: make kvm_mmu_reset_context() flush the guest TLB

kvm_set_cr0() and kvm_set_cr4(), and possible other functions,
assume that kvm_mmu_reset_context() flushes the guest TLB.  However,
it does not.

Fix by flushing the tlb (and syncing the new root as well).
Signed-off-by: NAvi Kivity <avi@redhat.com>
上级 411c588d
......@@ -3054,8 +3054,18 @@ static void destroy_kvm_mmu(struct kvm_vcpu *vcpu)
int kvm_mmu_reset_context(struct kvm_vcpu *vcpu)
{
int r;
destroy_kvm_mmu(vcpu);
return init_kvm_mmu(vcpu);
r = init_kvm_mmu(vcpu);
if (r)
goto err;
kvm_mmu_sync_roots(vcpu);
kvm_mmu_flush_tlb(vcpu);
err:
return r;
}
EXPORT_SYMBOL_GPL(kvm_mmu_reset_context);
......
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