From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Vrabel <david.vrabel@citrix.com>
Subject: Re: xhci_hcd intterrupt affinity in Dom0/DomU limited
 to single interrupt
Date: Wed, 2 Sep 2015 14:47:05 +0100
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To: Justin Acker <ackerj67@yahoo.com>, "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
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On 01/09/15 18:39, Justin Acker wrote:
> Taking this to the dev list from users.
> 
> Is there a way to force or enable pirq delivery to a set of cpus as
> opposed to single device from being a assigned a single pirq so that its
> interrupt can be distributed across multiple cpus?

No.

PIRQs are delivered via event channels and these can only be bound to
one VCPU at a time.

David