linux-kernel - Re: [RFC PATCH 00/12] PAT 64b: PAT support for X86

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Message-ID: <21d7e9970712141437r1b85bb12t6fca34ad62950cb3@mail.gmail.com>
Date:	Sat, 15 Dec 2007 08:37:13 +1000
From:	"Dave Airlie" <airlied@...il.com>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	"Siddha, Suresh B" <suresh.b.siddha@...el.com>,
	"Dave Airlie" <airlied@...net.ie>, venkatesh.pallipadi@...el.com,
	ak@....de, ebiederm@...ssion.com, rdreier@...co.com,
	torvalds@...ux-foundation.org, gregkh@...e.de, davej@...hat.com,
	mingo@...e.hu, tglx@...utronix.de, akpm@...ux-foundation.org,
	arjan@...radead.org, jesse.barnes@...el.com,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 00/12] PAT 64b: PAT support for X86_64

> > It doesn't work really, which is mostly the problem :)
> >
> > We mostly use UC on these pages, or WB within cache coherent domains.
> > mtrrs are totally useless in this situation.
> >
>
> In what sense does it not work?

oh I was mostly joking hence the smily.. really it just means thing
run slower than they need to..

Dave.
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