From: Christoph Hellwig <hch@infradead.org>
To: linux-ia64@vger.kernel.org
Subject: Re: [PATCH 2.6.11-rc2 0/3] altix: AGP bridge support for tioca chip
Date: Mon, 07 Feb 2005 10:07:59 +0000 [thread overview]
Message-ID: <20050207100759.GA11949@infradead.org> (raw)
In-Reply-To: <20050204213158.16671.87679.94380@attica.americas.sgi.com>
On Fri, Feb 04, 2005 at 03:31:58PM -0600, Mark Maule wrote:
> This patchset provides new hardware support for the SGI TIOCA agp chip.
>
> In order to stitch this into the SGI sn2 pci dma layer, it is necessary
> to add an abstraction which is implmented by PATCH 1/3
> (sn2-pci-dma-abstraction.patch).
>
> Additionally, a couple of header files were moved out of arch/ia64/sn
> and into include/asm-ia64/sn. I also took the opportunity to kill some
> unused macros. This is done by PATCH 2/3 (sn2-move-pci-headers.patch).
>
> The TIOCA driver is implemented as an sn2 pci provider with hooks
> externalized for an upcoming agpgart backend. The TIOCA kernel driver is
> provided with PATCH 3/3 (sn2-tioca-driver.patch).
Wouldn't it be better to allow pluggable IOMMUs at the ia64 architecture
level, replacing the machvecs?
zx1 already has a switch to use swiotl for devices with too small dma
masks (and altix would need that one aswell if it tried to support such
devices).
next prev parent reply other threads:[~2005-02-07 10:07 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-04 21:31 [PATCH 2.6.11-rc2 0/3] altix: AGP bridge support for tioca chip Mark Maule
2005-02-07 10:07 ` Christoph Hellwig [this message]
2005-02-07 16:51 ` Jesse Barnes
2005-02-08 0:08 ` Mark Maule
2005-02-08 18:05 ` Jesse Barnes
2005-02-08 18:15 ` Luck, Tony
2005-03-10 21:55 ` Mark Maule
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