[PATCH] nvme: use __iowrite64_copy for SQs in the CMB

[Christoph Hellwig]

On Mon, Nov 21, 2016 at 10:54:40AM +0200, Saar Gross wrote:
> Hi everyone,
> 
> Any comments on this patch? I didn't receive any so far.

Please explain why we would want to apply the patch, e.g. without
it some devices may be broken, or that on a particular device you
get much better performance (including numbers and an explanation of the
setup).