[PATCH 0/1] nvme: Export CSTS register via sysfs

[Christoph Hellwig]

On Wed, Mar 17, 2021 at 04:46:14PM -0400, Alan Adamson wrote:
> This patch exports the NVMe Controller CSTS register via sysfs.  This
> feature can be used by userland executables that accessed CSTS and
> possibly other registers by mapping them into user space.  Since this ability
> may not always available, exporting certain registers via sysfs provides
> a safe/read-only way to access registers from outside the kernel.

So what is this application doings with it?  Should we just have a
ready attribute instead of exporting a raw register encoding?