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| author | Peter Zijlstra <peterz@infradead.org> | 2014-03-26 18:29:28 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-08-14 12:48:13 +0200 |
| commit | 4f3316c2b5fe2062c26c9b66915b5a5c80c60a5c (patch) | |
| tree | 1ed6ef20fc6b7aa7c6b33a4135dc664a0c2901fe /arch/sparc/lib/ksyms.c | |
| parent | c6470150dff9aff682063890c9b8eac71b695def (diff) | |
| download | op-kernel-dev-4f3316c2b5fe2062c26c9b66915b5a5c80c60a5c.zip op-kernel-dev-4f3316c2b5fe2062c26c9b66915b5a5c80c60a5c.tar.gz | |
locking,arch,sparc: Fold atomic_ops
Many of the atomic op implementations are the same except for one
instruction; fold the lot into a few CPP macros and reduce LoC.
This also prepares for easy addition of new ops.
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: David S. Miller <davem@davemloft.net>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Kirill Tkhai <tkhai@yandex.ru>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: sparclinux@vger.kernel.org
Link: http://lkml.kernel.org/r/20140508135852.825281379@infradead.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/sparc/lib/ksyms.c')
| -rw-r--r-- | arch/sparc/lib/ksyms.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/arch/sparc/lib/ksyms.c b/arch/sparc/lib/ksyms.c index 323335b..1d649a9 100644 --- a/arch/sparc/lib/ksyms.c +++ b/arch/sparc/lib/ksyms.c @@ -99,14 +99,23 @@ EXPORT_SYMBOL(___copy_in_user); EXPORT_SYMBOL(__clear_user); /* Atomic counter implementation. */ -EXPORT_SYMBOL(atomic_add); -EXPORT_SYMBOL(atomic_add_ret); -EXPORT_SYMBOL(atomic_sub); -EXPORT_SYMBOL(atomic_sub_ret); -EXPORT_SYMBOL(atomic64_add); -EXPORT_SYMBOL(atomic64_add_ret); -EXPORT_SYMBOL(atomic64_sub); -EXPORT_SYMBOL(atomic64_sub_ret); +#define ATOMIC_OP(op) \ +EXPORT_SYMBOL(atomic_##op); \ +EXPORT_SYMBOL(atomic64_##op); + +#define ATOMIC_OP_RETURN(op) \ +EXPORT_SYMBOL(atomic_##op##_return); \ +EXPORT_SYMBOL(atomic64_##op##_return); + +#define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op) + +ATOMIC_OPS(add) +ATOMIC_OPS(sub) + +#undef ATOMIC_OPS +#undef ATOMIC_OP_RETURN +#undef ATOMIC_OP + EXPORT_SYMBOL(atomic64_dec_if_positive); /* Atomic bit operations. */ |
