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Re: [Xen-devel] [PATCH v4 05/17] xen/arm: ITS: implement hw_irq_controller for LPIs
- To: Marc Zyngier <marc.zyngier@xxxxxxx>
- From: Ian Campbell <ian.campbell@xxxxxxxxxx>
- Date: Thu, 16 Jul 2015 17:18:22 +0100
- Cc: Vijay Kilari <vijay.kilari@xxxxxxxxx>, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>, "Prasun.Kapoor@xxxxxxxxxxxxxxxxxx" <Prasun.Kapoor@xxxxxxxxxxxxxxxxxx>, Vijaya Kumar K <vijaya.kumar@xxxxxxxxxxxxxxxxxx>, Tim Deegan <tim@xxxxxxx>, "xen-devel@xxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxx>, Julien Grall <julien.grall@xxxxxxxxxx>, "stefano.stabellini@xxxxxxxxxx" <stefano.stabellini@xxxxxxxxxx>, "manish.jaggi@xxxxxxxxxxxxxxxxxx" <manish.jaggi@xxxxxxxxxxxxxxxxxx>
- Delivery-date: Thu, 16 Jul 2015 16:20:29 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On Thu, 2015-07-16 at 16:21 +0100, Marc Zyngier wrote:
> Hope this helps,
It, plus the chat we had on IRC did, yes, thanks.
In summary:
I was very confusedly talking about INV when I meant SYNC.
There is a real issue with the update of its_dev->collection in
its_set_affinity since it will result in the wrong collection being used
for subsequent affinity operations.
Marc is intending to replace its_dev->collection with an array
(presumably dynamically allocated) in its_dev mapping eventid to a
collection.
I think that is probably the right answer for Xen too.
Ian.
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