Re: dma_mapping_ops for i386

[Jeremy Fitzhardinge]

Andi Kleen wrote:
> Ok, if you can do it without ifdefs. 
>   

That should be OK.  All the existing i386 mapping operations would just 
have their own ops structure, right?

> And no swiotlb on i386; that is something that is completely broken
> in upstream Xen and needs to be fixed properly anyways.
>   

Hm, OK.  I'm not really familiar with the issues here.  What are they?  
Looks like Jan has made a number of Xen-ish changes to lib/swiotlb.c; 
are more changes be needed?

   J
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