From mboxrd@z Thu Jan  1 00:00:00 1970
From: Julien Grall <julien.grall@citrix.com>
Subject: Re: [RFC PATCH v2 13/22] xen/arm: its: Add virtual ITS
 command support
Date: Tue, 5 May 2015 12:47:17 +0100
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To: Vijay Kilari <vijay.kilari@gmail.com>, Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Cc: Ian Campbell <ian.campbell@citrix.com>, Prasun Kapoor <Prasun.Kapoor@caviumnetworks.com>, Vijaya Kumar K <vijaya.kumar@caviumnetworks.com>, Julien Grall <julien.grall@linaro.org>, Tim Deegan <tim@xen.org>, "xen-devel@lists.xen.org" <xen-devel@lists.xen.org>, Julien Grall <julien.grall@citrix.com>, Stefano Stabellini <stefano.stabellini@citrix.com>, manish.jaggi@caviumnetworks.com
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On 05/05/15 12:06, Vijay Kilari wrote:
>    One MSI per domain is always consumed because each domain during
> ITS initialization creates Virtual ITS and sends basic initialization
> commands (MAPC)

AFAICT, MAPC won't be translated to a physical command. So not interrupt
completion is necessary.

Couldn't we defer the interrupt completion allocation until a PCI device
is passthrough or a command requiring physical command is sent?

Regards,

-- 
Julien Grall