powerpc/mm: Split low level tlb invalidate for nohash processors

Currently, the various forms of low level TLB invalidations are all
implemented in misc_32.S for 32-bit processors, in a fairly scary
mess of #ifdef's and with interesting duplication such as a whole
bunch of code for FSL _tlbie and _tlbia which are no longer used.

This moves things around such that _tlbie is now defined in
hash_low_32.S and is only used by the 32-bit hash code, and all
nohash CPUs use the various _tlbil_* forms that are now moved to
a new file, tlb_nohash_low.S.

I moved all the definitions for that stuff out of
include/asm/tlbflush.h as they are really internal mm stuff, into
mm/mmu_decl.h

The code should have no functional changes.  I kept some variants
inline for trivial forms on things like 40x and 8xx.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/arch/powerpc/mm/Makefile b/arch/powerpc/mm/Makefile
index af987df8d5a3..953cc4a1cde5 100644
--- a/arch/powerpc/mm/Makefile
+++ b/arch/powerpc/mm/Makefile
@@ -9,7 +9,8 @@ endif
 obj-y                           := fault.o mem.o pgtable.o \
                                    init_$(CONFIG_WORD_SIZE).o \
                                    pgtable_$(CONFIG_WORD_SIZE).o
-obj-$(CONFIG_PPC_MMU_NOHASH)    += mmu_context_nohash.o tlb_nohash.o
+obj-$(CONFIG_PPC_MMU_NOHASH)    += mmu_context_nohash.o tlb_nohash.o \
+                                   tlb_nohash_low.o
 hash-$(CONFIG_PPC_NATIVE)       := hash_native_64.o
 obj-$(CONFIG_PPC64)             += hash_utils_64.o \
                                    slb_low.o slb.o stab.o \