Re: [PATCH 3/3] ring-buffer: add design document

H. Peter Anvin
2009-06-12T03:55:40Z

Huang Ying wrote:
>
> Yes. It seems that ARM is OK after FIQ save/restore issue is fixed.
> Another machine with NMI but no NMI-safe cmpxchg is "real" 386. That is
> very old machine, does that matter?
>

Well, we still support it (UP only, though.) It all depends on if there
is a fallback that is good enough.

-hpa

--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.