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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-12-18 19:13:38 +0000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-12-21 14:21:16 +1100 |
| commit | f048aace29e007f2b642097e2da8231e0e9cce2d (patch) | |
| tree | 5e99b1d1d37817703132e97388994386a7bee8da /arch/powerpc/mm/Makefile | |
| parent | 7c03d653cd257793dc40520c94e229b5fd0578e7 (diff) | |
| download | blackbird-op-linux-f048aace29e007f2b642097e2da8231e0e9cce2d.tar.gz blackbird-op-linux-f048aace29e007f2b642097e2da8231e0e9cce2d.zip | |
powerpc/mm: Add SMP support to no-hash TLB handling
This commit moves the whole no-hash TLB handling out of line into a
new tlb_nohash.c file, and implements some basic SMP support using
IPIs and/or broadcast tlbivax instructions.
Note that I'm using local invalidations for D->I cache coherency.
At worst, if another processor is trying to execute the same and
has the old entry in its TLB, it will just take a fault and re-do
the TLB flush locally (it won't re-do the cache flush in any case).
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>
Diffstat (limited to 'arch/powerpc/mm/Makefile')
| -rw-r--r-- | arch/powerpc/mm/Makefile | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/mm/Makefile b/arch/powerpc/mm/Makefile index 923bd3fa7d64..af987df8d5a3 100644 --- a/arch/powerpc/mm/Makefile +++ b/arch/powerpc/mm/Makefile @@ -9,7 +9,7 @@ endif obj-y := fault.o mem.o pgtable.o \ init_$(CONFIG_WORD_SIZE).o \ pgtable_$(CONFIG_WORD_SIZE).o -obj-$(CONFIG_PPC_MMU_NOHASH) += mmu_context_nohash.o +obj-$(CONFIG_PPC_MMU_NOHASH) += mmu_context_nohash.o tlb_nohash.o hash-$(CONFIG_PPC_NATIVE) := hash_native_64.o obj-$(CONFIG_PPC64) += hash_utils_64.o \ slb_low.o slb.o stab.o \ |
