From 4f3316c2b5fe2062c26c9b66915b5a5c80c60a5c Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Wed, 26 Mar 2014 18:29:28 +0100 Subject: 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 Acked-by: David S. Miller Cc: Bjorn Helgaas Cc: Kirill Tkhai Cc: Linus Torvalds Cc: Paul E. McKenney Cc: Sam Ravnborg Cc: sparclinux@vger.kernel.org Link: http://lkml.kernel.org/r/20140508135852.825281379@infradead.org Signed-off-by: Ingo Molnar --- arch/sparc/lib/ksyms.c | 25 +++++++++++++++++-------- 1 file changed, 17 insertions(+), 8 deletions(-) (limited to 'arch/sparc/lib/ksyms.c') diff --git a/arch/sparc/lib/ksyms.c b/arch/sparc/lib/ksyms.c index 323335b9cd2..1d649a95660 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. */ -- cgit v1.2.3-70-g09d2