From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Paul Mackerras <paulus@samba.org>
Cc: Keir Fraser <Keir.Fraser@cl.cam.ac.uk>,
Jesse Barnes <jbarnes@engr.sgi.com>,
akpm@osdl.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
riel@redhat.com, Ian.Pratt@cl.cam.ac.uk, kurt@garloff.de,
Christian.Limpach@cl.cam.ac.uk
Subject: Re: [PATCH] Xen/i386 cleanups - AGP bus/phys cleanups
Date: Thu, 17 Mar 2005 13:53:30 +0000 [thread overview]
Message-ID: <1111067594.1213.27.camel@localhost.localdomain> (raw)
In-Reply-To: <16953.20279.77584.501222@cargo.ozlabs.ibm.com>
On Iau, 2005-03-17 at 09:34, Paul Mackerras wrote:
> This code needs real physical addresses, which are not the same things
> as bus addresses.
Not always. The code needs platform specific goodies. We've only never
been burned so far because there isn't a box with an IOMMU and AGPGART
where one maps through the other.
It's probably simplest to have phys_to_agp/agp_to_phys therefore ?
Alan
next prev parent reply other threads:[~2005-03-17 13:56 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-16 11:48 [PATCH] Xen/i386 cleanups - AGP bus/phys cleanups Keir Fraser
2005-03-16 14:31 ` Christoph Hellwig
2005-03-16 14:58 ` Keir Fraser
2005-03-16 15:01 ` Rik van Riel
2005-03-16 18:10 ` Christoph Hellwig
2005-03-16 18:35 ` Keir Fraser
2005-03-16 18:42 ` Jesse Barnes
2005-03-16 19:08 ` Keir Fraser
2005-03-16 19:06 ` Christoph Hellwig
2005-03-16 19:11 ` Keir Fraser
2005-03-16 17:40 ` Alan Cox
2005-03-16 17:54 ` Jesse Barnes
2005-03-16 21:24 ` Paul Mackerras
2005-03-16 22:06 ` Jesse Barnes
2005-03-16 23:55 ` Rik van Riel
2005-03-17 0:39 ` Paul Mackerras
2005-03-17 1:05 ` Tupshin Harper
2005-03-17 3:44 ` Rik van Riel
2005-03-17 4:42 ` Christoph Hellwig
2005-03-17 4:58 ` Rik van Riel
2005-03-17 9:16 ` Keir Fraser
2005-03-17 9:34 ` Paul Mackerras
2005-03-17 10:56 ` Keir Fraser
2005-03-19 10:07 ` Eric W. Biederman
2005-03-19 10:56 ` Christian Limpach
2005-03-19 13:01 ` Keir Fraser
2005-03-17 13:53 ` Alan Cox [this message]
2005-03-18 0:16 ` Paul Mackerras
2005-03-18 4:23 ` Rik van Riel
2005-03-18 9:05 ` Keir Fraser
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