Re: Re-implement MCE log ring buffer as per-CPU ring buffer

Ingo Molnar
2009-04-22T10:19:49Z

* Robert Richter <robert.richter@amd.com> wrote:

> On 22.04.09 11:22:59, Ingo Molnar wrote:
> >
> > * Huang Ying <ying.huang@intel.com> wrote:
> >
> > > Re-implement MCE log ring buffer as per-CPU ring buffer for better
> > > scalability. Basic design is as follow:
> >
> > Before changing anything substantial in the MCE code it would be
> > necessary to clean up and then unify the 32-bit and 64-bit side
> > of the MCE code first. (Which essentially means extending the
> > 64-bit-only code to 32-bit)
>
> You may also want to consider to use the in-kernel ring_buffer api
> (include/linux/ring_buffer.h).

Yeah. I'd have suggested that once cleanups and unification is done
(which is still a long way out :-).

Ingo