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Date: Thu, 20 Dec 2007 16:40:00 -0800 (PST) From: David Miller <davem@...emloft.net> To: rusty@...tcorp.com.au Cc: fujita.tomonori@....ntt.co.jp, linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org, jens.axboe@...cle.com Subject: Re: [PATCH 2/5] dma_map_sg_ring() helper From: Rusty Russell <rusty@...tcorp.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. 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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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