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

From: John W. Linville <>
Date: 2005-09-24 04:50:23
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 W. Linville
To unsubscribe from this list: send the line "unsubscribe linux-ia64" in
the body of a message to
More majordomo info at
Received on Sat Sep 24 04:52:03 2005

This archive was generated by hypermail 2.1.8 : 2005-09-24 04:52:10 EST