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>
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(__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. */