KVM: MMU: delay flush all tlbs on sync_page path
Quote from Avi: | I don't think we need to flush immediately; set a "tlb dirty" bit somewhere | that is cleareded when we flush the tlb. kvm_mmu_notifier_invalidate_page() | can consult the bit and force a flush if set. Signed-off-by:Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> Signed-off-by:
Marcelo Tosatti <mtosatti@redhat.com>
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