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Re: [Xen-devel] [PATCH] xen: add support for MSI message groups

On 26/02/14 16:24, Roger Pau Monne wrote:
> Add support for MSI message groups for Xen Dom0 using the
> MAP_PIRQ_TYPE_MULTI_MSI pirq map type.
> In order to keep track of which pirq is the first one in the group all
> pirqs in the MSI group except for the first one have the newly
> introduced PIRQ_MSI_GROUP flag set. This prevents calling
> PHYSDEVOP_unmap_pirq on them, since the unmap must be done with the
> first pirq in the group.

Reviewed-by: David Vrabel <david.vrabel@xxxxxxxxxx>


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