On Thu, 2008-07-31 at 18:48 +1000, Nick Piggin wrote:
quoted text
> > If we do this then corresponding changes should be made to the powerpc
> > patch upon which Ben presently sits.
> 
> Powerpc will still use the CONFIG symbol for the moment because 32-bit TLB
> flushing has not been verified to work, so we don't want to pull in the
> 64-bit gup. There is some discussion going on, but they probably need at
> least to implement pte_special, and then also do RCU freeing of page tables.

It's just a matter of building gup.c or not .. as long as it's
in the makefile as obj-$(CONFIG_PPC64) (as I put it in the merged
version of the patch), the weak symbol should work.

Ben.


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