[PATCH 1/2] PCI: Provide sensible irq vector alloc/free routines

[Christoph Hellwig]

On Thu, May 12, 2016 at 01:04:58PM +0200, Alexander Gordeev wrote:
> Because MSI vectors are allocated sequentially we do not really
> need pdev->irqs[] for MSI. It is 32 items at most, but still.

The allocator itself doesn't "need" it.  Any driver that doesn't want
to special case MSI vs MSI-X all through the code needs it, though.


(oh, and please don't full quote the whole email, thank you!)