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Re: [Xen-devel] [RFC PATCH v2 13/22] xen/arm: its: Add virtual ITS command support

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?


Julien Grall

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