linux-kernel - Re: [patch 02/11] PAT x86: Map only usable memory in x86

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Message-ID: <20080118182727.GB10167@redhat.com>
Date:	Fri, 18 Jan 2008 13:27:27 -0500
From:	Dave Jones <davej@...hat.com>
To:	Valdis.Kletnieks@...edu,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>, ak@....de,
	ebiederm@...ssion.com, rdreier@...co.com, gregkh@...e.de,
	airlied@...net.ie, davej@...hat.com, mingo@...e.hu,
	tglx@...utronix.de, akpm@...ux-foundation.org, arjan@...radead.org,
	"Barnes, Jesse" <jesse.barnes@...el.com>, davem@...emloft.net,
	linux-kernel@...r.kernel.org,
	"Siddha, Suresh B" <suresh.b.siddha@...el.com>
Subject: Re: [patch 02/11] PAT x86: Map only usable memory in x86_64
	identity map and kernel text

On Thu, Jan 10, 2008 at 05:50:41PM -0500, Valdis.Kletnieks@...edu wrote:

 > (Personally, I keep a copy of Arjan's "restrict devmem" patch from Fedora
 > around, so I guess that says which camp I belong in, and the fact it's a Fedora
 > patch and not mainstream says something too...)

The way that patch is right now (and has been for some time) is kind of nasty,
and could use cleaning up.  I made a half-assed attempt at improving it
a little over xmas, but it could rewriting from scratch.
That's the only reason I never bothered pushing it (and I assume, the reason
that Arjan didn't push it when he wrote the original).

     Dave

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