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| author | travis@sgi.com <travis@sgi.com> | 2008-01-30 23:27:58 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-01-30 23:27:58 +0100 |
| commit | 3afc620229ccc8214ef96fd0e7db26d79f788167 (patch) | |
| tree | 0e41242b3d13f071f5aec29d2da074a1067efa59 /arch/sparc64 | |
| parent | 988c388ad48f790253850e369dd3e6fdf44ef603 (diff) | |
| download | linux-3afc620229ccc8214ef96fd0e7db26d79f788167.tar.gz linux-3afc620229ccc8214ef96fd0e7db26d79f788167.tar.bz2 linux-3afc620229ccc8214ef96fd0e7db26d79f788167.zip | |
SPARC64: use generic percpu
Sparc64 has a way of providing the base address for the per cpu area of the
currently executing processor in a global register.
Sparc64 also provides a way to calculate the address of a per cpu area
from a base address instead of performing an array lookup.
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/sparc64')
| -rw-r--r-- | arch/sparc64/mm/init.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c index fbeb55d71e76..523e993ee90c 100644 --- a/arch/sparc64/mm/init.c +++ b/arch/sparc64/mm/init.c @@ -1328,6 +1328,11 @@ pgd_t swapper_pg_dir[2048]; static void sun4u_pgprot_init(void); static void sun4v_pgprot_init(void); +/* Dummy function */ +void __init setup_per_cpu_areas(void) +{ +} + void __init paging_init(void) { unsigned long end_pfn, pages_avail, shift, phys_base; |