Re: [PATCH 1/7] genirq/affinity: Introduce struct irq_affinity

[Johannes Thumshirn]

On Mon, Nov 07, 2016 at 10:47:36AM -0800, Christoph Hellwig wrote:
> From: Christogh Hellwig <hch@xxxxxx>
> 
> Some drivers (various network and RDMA adapter for example) have a MSI-X
> vector layout where most of the vectors are used for I/O queues and should
> have CPU affinity assigned to them, but some (usually 1 but sometimes more)
> at the beginning or end are used for low-performance admin or configuration
> work and should not have any explicit affinity assigned to them.
> 
> This adds a new irq_affinity structure, which will be passed through a
> variant of pci_irq_alloc_vectors that allows to specify these
> requirements (and is extensible to any future quirks in that area) so that
> the core IRQ affinity algorithm can take this quirks into account.
> 
> Signed-off-by: Christogh Hellwig <hch@xxxxxx>
> ---

Looks good,
Reviewed-by: Johannes Thumshirn <jthumshirn@xxxxxxx>

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