2017-06-08 19:52 GMT+08:00 Paolo Bonzini <pbonzini@xxxxxxxxxx>: > > 3) add an async_page_fault member to vcpu->arch.exception Do you think we should also add an async_page_fault field to x86_exception, then pass down to kvm_inject_page_fault() through x86_exception? Maybe we should modify kvm_queue_exception_e/kvm_multiple_exception etc to add an function parameter for async_page_fault. Regards, Wanpeng Li