[RFC][PATCH] ring-buffer: Replace this_cpu_{read,write} with this_cpu_ptr()

[Christoph Lameter]

On Tue, 17 Mar 2015, Steven Rostedt wrote:

> I test this out with __this_cpu_* versions and see if that solves it
> too. If it does, I'll use that version instead.

Yeah that may be best. Sorry for the delay. Stuck at yet another
conference.