From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Vrabel Subject: Re: xhci_hcd intterrupt affinity in Dom0/DomU limited to single interrupt Date: Wed, 2 Sep 2015 18:35:14 +0100 Message-ID: <55E73352.8040008@citrix.com> References: <55E6FDD9.1090301@citrix.com> <940090229.496270.1441214720241.JavaMail.yahoo@mail.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <940090229.496270.1441214720241.JavaMail.yahoo@mail.yahoo.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Justin Acker , "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org On 02/09/15 18:25, Justin Acker wrote: > > ------------------------------------------------------------------------ > *From:* David Vrabel > *To:* Justin Acker ; "xen-devel@lists.xen.org" > > *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