accessing a PCIe register from userspace through kmem or other ways ?

[Ryan Stone]

On Tue, Apr 5, 2016 at 2:10 AM, Konstantin Belousov <kostikbel at gmail.com>
wrote:

> The mmap(2) interface to /dev/mem did not have the issue ever.  The problem
> was only with the read(2)/write(2) accesses.
>

I mis-remembered my situation.  I was performing a read on /dev/mem rather
than reading through a mmap.  Thanks for clearing this up.