On Mon, May 13, 2013 at 4:58 PM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
> A fair number of drivers (mostly graphics) add write-combining MTRRs.
> Most ignore errors and most add the MTRR even on PAT systems which don't
> need to use MTRRs.
>
> This series adds new functions arch_phys_wc_{add,del} that, on PAT-less
> x86 systems with MTRRs, add MTRRs and report errors, and that do nothing
> otherwise. (Other architectures, if any, with a similar mechanism could
> implement them.)
That's the path to upstream for this? Should it go through drm-next?
(Sorry for possible noob question -- I've never sent in anything other
than trivial fixes to drm stuff before.)
--Andy
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