Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / include / asm-m68knommu / atomic.h

diff --git a/include/asm-m68knommu/atomic.h b/include/asm-m68knommu/atomic.h
index b1957fb..6c4e4b6 100644 (file)
--- a/include/asm-m68knommu/atomic.h
+++ b/include/asm-m68knommu/atomic.h
@@ -100,7 +100,7 @@ static __inline__ void atomic_set_mask(unsigned long mask, unsigned long *v)
 #define smp_mb__before_atomic_inc()    barrier()
 #define smp_mb__after_atomic_inc() barrier()
 
-extern __inline__ int atomic_add_return(int i, atomic_t * v)
+static inline int atomic_add_return(int i, atomic_t * v)
 {
        unsigned long temp, flags;
 
@@ -115,7 +115,7 @@ extern __inline__ int atomic_add_return(int i, atomic_t * v)
 
 #define atomic_add_negative(a, v)      (atomic_add_return((a), (v)) < 0)
 
-extern __inline__ int atomic_sub_return(int i, atomic_t * v)
+static inline int atomic_sub_return(int i, atomic_t * v)
 {
        unsigned long temp, flags;
 
@@ -128,7 +128,21 @@ extern __inline__ int atomic_sub_return(int i, atomic_t * v)
        return temp;
 }
 
+#define atomic_cmpxchg(v, o, n) ((int)cmpxchg(&((v)->counter), (o), (n)))
+#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
+
+#define atomic_add_unless(v, a, u)                             \
+({                                                             \
+       int c, old;                                             \
+       c = atomic_read(v);                                     \
+       while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \
+               c = old;                                        \
+       c != (u);                                               \
+})
+#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
+
 #define atomic_dec_return(v) atomic_sub_return(1,(v))
 #define atomic_inc_return(v) atomic_add_return(1,(v))
 
+#include <asm-generic/atomic.h>
 #endif /* __ARCH_M68KNOMMU_ATOMIC __ */