[PATCH v4, under testing] nvme-rdma: support devices with queue size < 32

[Jason Gunthorpe]

On Wed, May 03, 2017 at 05:19:27PM +0200, Marta Rybczynska wrote:

> > where
> >	queue->sig_limit = max(queue->queue_size / 2, 1);
> 
> I tried to avoid that because this adds a division in the fast path Bart
> was unhappy about in v2.

The compiler switches divide/multiply by powers of two into fast bit shifts.

Jason