Re: [patch 2.6.13 0/6] swiotlb maintenance and x86_64 dma_sync_single_range_for_{cpu,device}

John W. Linville
2005-09-23T18:50:23Z

On Fri, Sep 23, 2005 at 11:27:26AM -0700, Luck, Tony wrote:
> >> It should just go away once the GFP_DMA32 code is merged.
> >
> >Is that the plan? I suppose it makes sense.

> I don't have a good (or in fact any) understanding of the impact
> of GFP_DMA32 on ia64. People tell me it will all be good, but I'd
> like to hear from someone running it.

All the patches I saw were for x86_64. So, the impact on ia64 should
be minimal... :-)

> If it is good, and if it is coming soon, then there is no point
> moving swiotlb. But I don't know the answers to either of those
> questions.

The xen guys have an swiotlb implementation, although theres differs
somewhat. Perhaps if we moved it out from under ia64, the two could
be consolidated?

John
--
John W. Linville
linville@tuxdriver.com