Re: [was Re: Linux 2.6.14 ] Revert "x86-64: Avoid unnecessary double bouncing for swiotlb"

On Thu, Nov 03, 2005 at 07:35:55PM +0100, Andi Kleen wrote:

> Anyways, with the dma_ops patch we can probably separate it cleanly
> and avoid the problem.

Hi Andi, Kiran, would something like:

#define PCI_DMA_BUS_IS_PHYS (mapping_ops->bus_is_phys) 

do the job, where mapping_ops->bus_is_phys is set to 0 for gart and
swiotlb, and 1 for nommu?

Cheers,
Muli
-- 
Muli Ben-Yehuda
http://www.mulix.org | http://mulix.livejournal.com/

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• References:
  • Linux 2.6.14
    • From: Linus Torvalds <[email protected]>
  • Re: [was Re: Linux 2.6.14 ] Revert "x86-64: Avoid unnecessary double bouncing for swiotlb"
    • From: Andi Kleen <[email protected]>
  • Re: [was Re: Linux 2.6.14 ] Revert "x86-64: Avoid unnecessary double bouncing for swiotlb"
    • From: Ravikiran G Thirumalai <[email protected]>
  • Re: [was Re: Linux 2.6.14 ] Revert "x86-64: Avoid unnecessary double bouncing for swiotlb"
    • From: Andi Kleen <[email protected]>

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