Re: [Xen-devel] xhci_hcd intterrupt affinity in Dom0/DomU limited to single interrupt

[Justin Acker <ackerj67@xxxxxxxxx>]

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From: David Vrabel <david.vrabel@xxxxxxxxxx>
To: Justin Acker <ackerj67@xxxxxxxxx>; "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>
Sent: Wednesday, September 2, 2015 9:47 AM
Subject: Re: [Xen-devel] xhci_hcd intterrupt affinity in Dom0/DomU limited to single interrupt

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.

Thanks David. This applies to Dom0 or Dom0/DomU?

David

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