[openib-general] [PATCH] ib_mad: PCI mapping/unmapping and some buffering fixes

Hal Rosenstock halr at voltaire.com
Wed Sep 15 09:02:47 PDT 2004


On Wed, 2004-09-15 at 11:48, Hal Rosenstock wrote:
> On Wed, 2004-09-15 at 11:44, Roland Dreier wrote:
> > I thought we said the consumer was responsible for PCI mapping in the
> > send path?
> 
> I don't recall but in any case...
> 
> Is that the best choice ? Is there an advantage to the client doing this
> over the MAD layer ? 

Never mind. I found your response on this:
"it makes sense for the consumer to do the PCI mapping
since that allows consumers to do thinks like allocate MADs with
pci_pool_alloc() and avoid calling pci_map at all."

-- Hal




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