From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: Linux 2.6.39-rc3
Date: Thu, 14 Apr 2011 09:09:14 +0100
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To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, "dri-devel@lists.freedesktop.org" <dri-devel@lists.freedesktop.org>, Tejun Heo <tj@kernel.org>, Joerg@freedesktop.org, "H. Peter Anvin" <hpa@zytor.com>, Yinghai Lu <yinghai@kernel.org>, Thomas Gleixner <tglx@linutronix.de>
List-Id: dri-devel@lists.freedesktop.org

On Wed, 13 Apr 2011 19:33:40 -0700
Linus Torvalds <torvalds@linux-foundation.org> wrote:

> On Wednesday, April 13, 2011, Linus Torvalds
> <torvalds@linux-foundation.org> wrote:
> > On Wednesday, April 13, 2011, H. Peter Anvin <hpa@zytor.com> wrote:
> >>
> >> Yes. =A0However, even if we *do* revert (and the time is running short=
 on
> >> not reverting) I would like to understand this particular one, simply
> >> because I think it may very well be a problem that is manifesting itse=
lf
> >> in other ways on other systems.
> =

>  sorry, fingerfart. Anyway, I agree 100%.
> =

>  we definitely want to also understand the reason for things not
> working, even if we do revert..

Definitely because if it fails when the "magic" involves the GART base it
starts to sound like something may be hitting the wrong address space or
not flushing properly.