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

[David Vrabel <david.vrabel@xxxxxxxxxx>]

On 02/09/15 18:25, Justin Acker wrote:
> 
> ------------------------------------------------------------------------
> *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?

Both.

David


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