Gerhard Pircher writes:
> I'm a little bit confused about the hash_native_64.c file, which is compiled
> in the kernel, if PPC_NATIVE is defined. PPC_NATIVE seems to be defined also
> for 32bit platforms (CHRP, PREP, etc.), but the name of the hash_native_64.c
> file and the Makefile suggest that it is for 64bit platforms only.
> What is hash_native_64.c actually good for on 32bit platforms and which cpus
> can make use of it?
It's not included on 32-bit platforms. Here are the relevant lines
from arch/powerpc/mm/Makefile:
hash-$(CONFIG_PPC_NATIVE) := hash_native_64.o
obj-$(CONFIG_PPC64) += hash_utils_64.o \
slb_low.o slb.o stab.o mmap.o $(hash-y)
Note that the first line sets hash-y not obj-y, and $(hash-y) is only
used on 64-bit machines.
Paul.
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