[Xen-devel] wierd behavior of notify_via_evtchn

[Xin Zhao <zhaoxin@xxxxxxxxxxxxxx>]

Sorry if this question is dumb.

I am wrting a splitting driver. But when the backend issues a
notify_via_evtchn call, the frontend's irq handler was triggered twice
instead of one! Why? Anyone run into similar issue before?

Thanks,
-x

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