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RE: [Xen-devel] driver domains

  • To: "Mike D. Day" <ncmike@xxxxxxxxxx>, "Xen Mailing List" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx>
  • Date: Tue, 18 Jul 2006 23:42:25 +0100
  • Delivery-date: Tue, 18 Jul 2006 15:42:52 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcaqmK9z/I5dggr4QRGp1kKFQbpP/gAImwLw
  • Thread-topic: [Xen-devel] driver domains

> For a driver domain, do interrupts for the devices that service that
> domain get handled by the driver domain itself, or by domain 0 first?

They are fielded by Xen then passed on as events direct to the domain.
If the line is shared, it will send events to both domains (though
interrupt sharing should be avoided).

Dom0 is only involved with the interrupt 'plumbing', when the interrupt
is first configured.


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