From mboxrd@z Thu Jan 1 00:00:00 1970 From: jbarnes@sgi.com (Jesse Barnes) Date: Fri, 13 Feb 2004 21:30:43 +0000 Subject: Re: mpt sets 64bit consistent mask yet requires mapping in same 4 GB chunk?!? Message-Id: <20040213213043.GB20323@sgi.com> List-Id: References: <0E3FA95632D6D047BA649F95DAB60E5703EF915E@exa-atlanta.se.lsil.com> In-Reply-To: <0E3FA95632D6D047BA649F95DAB60E5703EF915E@exa-atlanta.se.lsil.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: "Moore, Eric Dean" Cc: Alex Williamson , jeremy@sgi.com, linux-scsi@vger.kernel.org, linux-ia64@vger.kernel.org On Fri, Feb 13, 2004 at 04:20:35PM -0500, Moore, Eric Dean wrote: > I added pci_set_consistent_dma_mask() per request from > Jeremy Higdon back on 12/03/03. He > was having problems on a Altix (IA64) system. See > attached email. What is your recommendation? I have a mpt > patch in the queue which doesn't address this. > > On Friday, February 13, 2004 9:12 AM, Alex Williamson wrote: > > These are two perfectly valid consistent mappings as far as the > > platform code is concerned. I think mpt really needs to either set > > a 32bit consistent map of do a single allocation when it requires > > this type of thing. Thanks, I think Alex's second suggestion would be the best--do a single allocation rather than falling back to a 32 bit consistent mask. Jesse