Re: [PATCH 11/14] irq: add support for allocating (and affinitizing) sets of IRQs

From: Jens Axboe
Date: Tue Oct 30 2018 - 13:33:56 EST


On 10/30/18 11:22 AM, Keith Busch wrote:
> On Tue, Oct 30, 2018 at 11:09:04AM -0600, Jens Axboe wrote:
>> Pretty trivial, below. This also keeps the queue mapping calculations
>> more clean, as we don't have to do one after we're done allocating
>> IRQs.
>
> Yep, this addresses my concern. It less efficient than PCI since PCI
> can usually jump straight to a valid vector count in a single iteration
> where this only subtracts by 1. I really can't be bothered to care for
> optimizing that, so this works for me! :)

It definitely is less efficient than just getting the count that we
can support, but it's at probe time so I could not really be bothered
either.

Can I add your reviewed-by?

--
Jens Axboe