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[Xen-devel] At what places is an event handler called besides a hypercall?

  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: Shu Wu <superwushu@xxxxxxxxx>
  • Date: Thu, 22 Oct 2009 15:34:49 +0800
  • Delivery-date: Thu, 22 Oct 2009 00:35:20 -0700
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  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Hi, folks. I'm puzzled when the event handler is called in xen. I've only found a pending check and an upcall at the end of each hypercall. And an event delivery will cause a schedule, but no calling to the handler. So it seems when a domain sends a event to the other, the handler of that domain won't be called until it makes a hypercall or check it itself. That sounds not so reasonable. Could anyone tell me the truth? Thanks!


Wu Shu
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