From: Grant Grundler <grundler@parisc-linux.org>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: "M. Grabert" <xam@cs.ucc.ie>, parisc-linux@lists.parisc-linux.org
Subject: Re: [parisc-linux] C3000 and IDE DMA support
Date: Wed, 27 Aug 2003 15:44:09 -0600 [thread overview]
Message-ID: <20030827214409.GE31311@dsl2.external.hp.com> (raw)
In-Reply-To: <1062019396.23493.8.camel@dhcp23.swansea.linux.org.uk>
On Wed, Aug 27, 2003 at 10:23:17PM +0100, Alan Cox wrote:
> The crash is also curious - I wonder if parisc is either bouncing
> every DMA buffer and copying it for some reason,
c3000 uses sba_iommu.c and AFAIK all DMA goes through the IOMMU.
Would surprise me if the DMA was bounced/copied.
grant
next prev parent reply other threads:[~2003-08-27 21:44 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-26 11:46 [parisc-linux] C3000 and IDE DMA support M. Grabert
2003-08-26 14:52 ` Randolph Chung
2003-08-27 16:30 ` Alan Cox
2003-08-27 17:36 ` M. Grabert
2003-08-27 21:23 ` Alan Cox
2003-08-27 21:44 ` Grant Grundler [this message]
2003-08-27 22:22 ` Alan Cox
2003-08-27 23:09 ` Grant Grundler
2003-08-27 23:19 ` M. Grabert
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