Re: [PATCH V2 2/3] powerpc: Add support for swiotlb on 32-bit

From: Ian Campbell
Date: Wed May 27 2009 - 16:29:33 EST

On Wed, 2009-05-27 at 15:05 -0400, Becky Bruce wrote:
> On May 22, 2009, at 6:11 AM, Ian Campbell wrote:
> >
> >
> > BTW do you need swiotlb_bus_to_virt to be __weak or is the fact that
> > it
> > is implemented in terms of swiotlb_bus_to_phys sufficient?
> The default one in swiotlb calls phys_to_virt on the result of
> swiotlb_bus_to_phys, which only works on lowmem.

Perhaps we can simply enhance the default one to handle highmem instead
of making it arch specific?


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