Re: [RFC] Is lib/irq_poll still considered useful?

[Christoph Hellwig]

On Thu, Sep 30, 2021 at 12:56:05PM +0200, Sebastian Andrzej Siewior wrote:
> Is there a reason for the remaining user of irq_poll to keep using it?

At least for RDMA there are workloads where the latency difference
matters.  That's why we added both the irq_poll and workqueue mode
to thew new CQ API a few years ago.