KVM: X86: Don't reset mmu context when X86_CR4_PCIDE 1->0
X86_CR4_PCIDE doesn't participate in kvm_mmu_role, so the mmu context doesn't need to be reset. It is only required to flush all the guest tlb. Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com> Reviewed-by: Sean Christopherson <seanjc@google.com> Message-Id: <20210919024246.89230-2-jiangshanlai@gmail.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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