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atomic: Add atomic_long_t bitops
authorPeter Zijlstra <peterz@infradead.org>
Fri, 18 Sep 2015 13:04:59 +0000 (15:04 +0200)
committerIngo Molnar <mingo@kernel.org>
Wed, 23 Sep 2015 07:54:28 +0000 (09:54 +0200)
When adding the atomic bitops, I seem to have forgotten about
atomic_long_t, fix this.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
include/asm-generic/atomic-long.h
include/linux/atomic.h

index a94cbeb..c7a5c1a 100644 (file)
@@ -112,19 +112,23 @@ static inline void atomic_long_dec(atomic_long_t *l)
        ATOMIC_LONG_PFX(_dec)(v);
 }
 
-static inline void atomic_long_add(long i, atomic_long_t *l)
-{
-       ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;
-
-       ATOMIC_LONG_PFX(_add)(i, v);
+#define ATOMIC_LONG_OP(op)                                             \
+static inline void                                                     \
+atomic_long_##op(long i, atomic_long_t *l)                             \
+{                                                                      \
+       ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;              \
+                                                                       \
+       ATOMIC_LONG_PFX(_##op)(i, v);                                   \
 }
 
-static inline void atomic_long_sub(long i, atomic_long_t *l)
-{
-       ATOMIC_LONG_PFX(_t) *v = (ATOMIC_LONG_PFX(_t) *)l;
+ATOMIC_LONG_OP(add)
+ATOMIC_LONG_OP(sub)
+ATOMIC_LONG_OP(and)
+ATOMIC_LONG_OP(or)
+ATOMIC_LONG_OP(xor)
+ATOMIC_LONG_OP(andnot)
 
-       ATOMIC_LONG_PFX(_sub)(i, v);
-}
+#undef ATOMIC_LONG_OP
 
 static inline int atomic_long_sub_and_test(long i, atomic_long_t *l)
 {
index 00a5763..29dafa1 100644 (file)
@@ -451,7 +451,6 @@ static inline int atomic_dec_if_positive(atomic_t *v)
 }
 #endif
 
-#include <asm-generic/atomic-long.h>
 #ifdef CONFIG_GENERIC_ATOMIC64
 #include <asm-generic/atomic64.h>
 #endif
@@ -463,4 +462,6 @@ static inline void atomic64_andnot(long long i, atomic64_t *v)
 }
 #endif
 
+#include <asm-generic/atomic-long.h>
+
 #endif /* _LINUX_ATOMIC_H */