Re: [PATCH V2] nvme-pci: assign separate irq vectors for adminq and ioq0

[jianchao.wang]

Hi Christoph

Thanks for your kindly response and directive

On 03/01/2018 12:47 AM, Christoph Hellwig wrote:
> Note that we originally allocates irqs this way, and Keith changed
> it a while ago for good reasons.  So I'd really like to see good
> reasons for moving away from this, and some heuristics to figure
> out which way to use.  E.g. if the device supports more irqs than
> I/O queues your scheme might always be fine.

maybe we could add a logic that when get enough irq vectors, assign
separate irq vector to adminq, otherwise sharing.

Sincerely
Jianchao