linux-kernel - Re: [PATCH v3 0/9] Clean up write-combining MTRR addition

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Message-ID: <CALCETrXd=6aJwQdDL+XU9x2Pnh0V_9120iw1NHaguN1ahRhhXQ@mail.gmail.com>
Date:	Thu, 23 May 2013 11:35:16 -0700
From:	Andy Lutomirski <luto@...capital.net>
To:	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	linux-fbdev@...r.kernel.org
Cc:	Daniel Vetter <daniel.vetter@...ll.ch>,
	Jerome Glisse <j.glisse@...il.com>,
	Alex Deucher <alexdeucher@...il.com>,
	Dave Airlie <airlied@...il.com>,
	Andy Lutomirski <luto@...capital.net>
Subject: Re: [PATCH v3 0/9] Clean up write-combining MTRR addition

On Mon, May 13, 2013 at 4:58 PM, Andy Lutomirski <luto@...capital.net> 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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