Messages in this thread | | | Subject | Re: [PATCH 2/5] dma_map_sg_ring() helper | From | FUJITA Tomonori <> | Date | Fri, 21 Dec 2007 11:22:56 +0900 |
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On Thu, 20 Dec 2007 16:40:00 -0800 (PST) David Miller <davem@davemloft.net> wrote:
> From: Rusty Russell <rusty@rustcorp.com.au> > Date: Fri, 21 Dec 2007 11:35:12 +1100 > > > On Friday 21 December 2007 11:00:27 FUJITA Tomonori wrote: > > > We need to pass the whole sg entries to the IOMMUs at a time. > > > > Hi Fujita, > > > > OK, it's certainly possible to have an arch override. For which > > architecture is this BTW? > > SPARC64, POWERPC, maybe IA-64 etc.
And x86_64, Alpha, and PARISC.
> Basically any platform that potentially does virtual > remamping and thus linearization. > > I think it should always be provided, the new APIs give > less information to the implementation and that's a step > backwards.
Agreed.
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