On Fri, Sep 23, 2005 at 02:50:23PM -0400, John W. Linville wrote:
> 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... :-)
impact to arch/ia64 might be minimal. My understanding was
all the drivers that support 32-bit devices would need tweaks
to use GFP_DMA32 flag. Is this still the plan?
http://www.ussg.iu.edu/hypermail/linux/kernel/9901.3/0323.html
Most of what I've read in Andi's patch otherwise makes sense:
http://lwn.net/Articles/152337/
But I didn't see Andi suggest that swiotlb should go completely away.
thanks,
grant
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