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Re: [Xen-devel] Re: [XenPPC] Re: IRQs delivery.

from [Jimi Xenidis] [Permanent Link][Original]
To: Tristan Gingold <Tristan.Gingold@xxxxxxxx>
Subject: Re: [Xen-devel] Re: [XenPPC] Re: IRQs delivery.
From: Jimi Xenidis <jimix@xxxxxxxxxxxxxx>
Date: Mon, 13 Mar 2006 15:44:31 -0500
Cc: Olof Johansson <olof@xxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Hollis Blanchard <hollisb@xxxxxxxxxx>, xen-ppc-devel@xxxxxxxxxxxxxxxxxxx
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On Mar 13, 2006, at 3:41 AM, Tristan Gingold wrote:
I don't see any fairness or latency problems [except when we are dealing with 
event channel].


Problem exists:
If you defer the delivery of an IO interrupt because the VCPU is masking them 
--and--
If the domain can unmask interrupts without the hypervisor knowing

-JX

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