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-rw-r--r--arch/alpha/Kconfig1
-rw-r--r--arch/alpha/include/asm/atomic.h88
-rw-r--r--arch/alpha/include/asm/cmpxchg.h12
3 files changed, 54 insertions, 47 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 5998106faa60..7920fc2e2a2a 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -2,6 +2,7 @@
config ALPHA
bool
default y
+ select ARCH_ATOMIC
select ARCH_32BIT_USTAT_F_TINODE
select ARCH_MIGHT_HAVE_PC_PARPORT
select ARCH_MIGHT_HAVE_PC_SERIO
diff --git a/arch/alpha/include/asm/atomic.h b/arch/alpha/include/asm/atomic.h
index e41c113c6688..f2861a43a61e 100644
--- a/arch/alpha/include/asm/atomic.h
+++ b/arch/alpha/include/asm/atomic.h
@@ -26,11 +26,11 @@
#define ATOMIC64_INIT(i) { (i) }
-#define atomic_read(v) READ_ONCE((v)->counter)
-#define atomic64_read(v) READ_ONCE((v)->counter)
+#define arch_atomic_read(v) READ_ONCE((v)->counter)
+#define arch_atomic64_read(v) READ_ONCE((v)->counter)
-#define atomic_set(v,i) WRITE_ONCE((v)->counter, (i))
-#define atomic64_set(v,i) WRITE_ONCE((v)->counter, (i))
+#define arch_atomic_set(v,i) WRITE_ONCE((v)->counter, (i))
+#define arch_atomic64_set(v,i) WRITE_ONCE((v)->counter, (i))
/*
* To get proper branch prediction for the main line, we must branch
@@ -39,7 +39,7 @@
*/
#define ATOMIC_OP(op, asm_op) \
-static __inline__ void atomic_##op(int i, atomic_t * v) \
+static __inline__ void arch_atomic_##op(int i, atomic_t * v) \
{ \
unsigned long temp; \
__asm__ __volatile__( \
@@ -55,7 +55,7 @@ static __inline__ void atomic_##op(int i, atomic_t * v) \
} \
#define ATOMIC_OP_RETURN(op, asm_op) \
-static inline int atomic_##op##_return_relaxed(int i, atomic_t *v) \
+static inline int arch_atomic_##op##_return_relaxed(int i, atomic_t *v) \
{ \
long temp, result; \
__asm__ __volatile__( \
@@ -74,7 +74,7 @@ static inline int atomic_##op##_return_relaxed(int i, atomic_t *v) \
}
#define ATOMIC_FETCH_OP(op, asm_op) \
-static inline int atomic_fetch_##op##_relaxed(int i, atomic_t *v) \
+static inline int arch_atomic_fetch_##op##_relaxed(int i, atomic_t *v) \
{ \
long temp, result; \
__asm__ __volatile__( \
@@ -92,7 +92,7 @@ static inline int atomic_fetch_##op##_relaxed(int i, atomic_t *v) \
}
#define ATOMIC64_OP(op, asm_op) \
-static __inline__ void atomic64_##op(s64 i, atomic64_t * v) \
+static __inline__ void arch_atomic64_##op(s64 i, atomic64_t * v) \
{ \
s64 temp; \
__asm__ __volatile__( \
@@ -108,7 +108,8 @@ static __inline__ void atomic64_##op(s64 i, atomic64_t * v) \
} \
#define ATOMIC64_OP_RETURN(op, asm_op) \
-static __inline__ s64 atomic64_##op##_return_relaxed(s64 i, atomic64_t * v) \
+static __inline__ s64 \
+arch_atomic64_##op##_return_relaxed(s64 i, atomic64_t * v) \
{ \
s64 temp, result; \
__asm__ __volatile__( \
@@ -127,7 +128,8 @@ static __inline__ s64 atomic64_##op##_return_relaxed(s64 i, atomic64_t * v) \
}
#define ATOMIC64_FETCH_OP(op, asm_op) \
-static __inline__ s64 atomic64_fetch_##op##_relaxed(s64 i, atomic64_t * v) \
+static __inline__ s64 \
+arch_atomic64_fetch_##op##_relaxed(s64 i, atomic64_t * v) \
{ \
s64 temp, result; \
__asm__ __volatile__( \
@@ -155,18 +157,18 @@ static __inline__ s64 atomic64_fetch_##op##_relaxed(s64 i, atomic64_t * v) \
ATOMIC_OPS(add)
ATOMIC_OPS(sub)
-#define atomic_add_return_relaxed atomic_add_return_relaxed
-#define atomic_sub_return_relaxed atomic_sub_return_relaxed
-#define atomic_fetch_add_relaxed atomic_fetch_add_relaxed
-#define atomic_fetch_sub_relaxed atomic_fetch_sub_relaxed
+#define arch_atomic_add_return_relaxed arch_atomic_add_return_relaxed
+#define arch_atomic_sub_return_relaxed arch_atomic_sub_return_relaxed
+#define arch_atomic_fetch_add_relaxed arch_atomic_fetch_add_relaxed
+#define arch_atomic_fetch_sub_relaxed arch_atomic_fetch_sub_relaxed
-#define atomic64_add_return_relaxed atomic64_add_return_relaxed
-#define atomic64_sub_return_relaxed atomic64_sub_return_relaxed
-#define atomic64_fetch_add_relaxed atomic64_fetch_add_relaxed
-#define atomic64_fetch_sub_relaxed atomic64_fetch_sub_relaxed
+#define arch_atomic64_add_return_relaxed arch_atomic64_add_return_relaxed
+#define arch_atomic64_sub_return_relaxed arch_atomic64_sub_return_relaxed
+#define arch_atomic64_fetch_add_relaxed arch_atomic64_fetch_add_relaxed
+#define arch_atomic64_fetch_sub_relaxed arch_atomic64_fetch_sub_relaxed
-#define atomic_andnot atomic_andnot
-#define atomic64_andnot atomic64_andnot
+#define arch_atomic_andnot arch_atomic_andnot
+#define arch_atomic64_andnot arch_atomic64_andnot
#undef ATOMIC_OPS
#define ATOMIC_OPS(op, asm) \
@@ -180,15 +182,15 @@ ATOMIC_OPS(andnot, bic)
ATOMIC_OPS(or, bis)
ATOMIC_OPS(xor, xor)
-#define atomic_fetch_and_relaxed atomic_fetch_and_relaxed
-#define atomic_fetch_andnot_relaxed atomic_fetch_andnot_relaxed
-#define atomic_fetch_or_relaxed atomic_fetch_or_relaxed
-#define atomic_fetch_xor_relaxed atomic_fetch_xor_relaxed
+#define arch_atomic_fetch_and_relaxed arch_atomic_fetch_and_relaxed
+#define arch_atomic_fetch_andnot_relaxed arch_atomic_fetch_andnot_relaxed
+#define arch_atomic_fetch_or_relaxed arch_atomic_fetch_or_relaxed
+#define arch_atomic_fetch_xor_relaxed arch_atomic_fetch_xor_relaxed
-#define atomic64_fetch_and_relaxed atomic64_fetch_and_relaxed
-#define atomic64_fetch_andnot_relaxed atomic64_fetch_andnot_relaxed
-#define atomic64_fetch_or_relaxed atomic64_fetch_or_relaxed
-#define atomic64_fetch_xor_relaxed atomic64_fetch_xor_relaxed
+#define arch_atomic64_fetch_and_relaxed arch_atomic64_fetch_and_relaxed
+#define arch_atomic64_fetch_andnot_relaxed arch_atomic64_fetch_andnot_relaxed
+#define arch_atomic64_fetch_or_relaxed arch_atomic64_fetch_or_relaxed
+#define arch_atomic64_fetch_xor_relaxed arch_atomic64_fetch_xor_relaxed
#undef ATOMIC_OPS
#undef ATOMIC64_FETCH_OP
@@ -198,14 +200,18 @@ ATOMIC_OPS(xor, xor)
#undef ATOMIC_OP_RETURN
#undef ATOMIC_OP
-#define atomic64_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), old, new))
-#define atomic64_xchg(v, new) (xchg(&((v)->counter), new))
+#define arch_atomic64_cmpxchg(v, old, new) \
+ (arch_cmpxchg(&((v)->counter), old, new))
+#define arch_atomic64_xchg(v, new) \
+ (arch_xchg(&((v)->counter), new))
-#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), old, new))
-#define atomic_xchg(v, new) (xchg(&((v)->counter), new))
+#define arch_atomic_cmpxchg(v, old, new) \
+ (arch_cmpxchg(&((v)->counter), old, new))
+#define arch_atomic_xchg(v, new) \
+ (arch_xchg(&((v)->counter), new))
/**
- * atomic_fetch_add_unless - add unless the number is a given value
+ * arch_atomic_fetch_add_unless - add unless the number is a given value
* @v: pointer of type atomic_t
* @a: the amount to add to v...
* @u: ...unless v is equal to u.
@@ -213,7 +219,7 @@ ATOMIC_OPS(xor, xor)
* Atomically adds @a to @v, so long as it was not @u.
* Returns the old value of @v.
*/
-static __inline__ int atomic_fetch_add_unless(atomic_t *v, int a, int u)
+static __inline__ int arch_atomic_fetch_add_unless(atomic_t *v, int a, int u)
{
int c, new, old;
smp_mb();
@@ -234,10 +240,10 @@ static __inline__ int atomic_fetch_add_unless(atomic_t *v, int a, int u)
smp_mb();
return old;
}
-#define atomic_fetch_add_unless atomic_fetch_add_unless
+#define arch_atomic_fetch_add_unless arch_atomic_fetch_add_unless
/**
- * atomic64_fetch_add_unless - add unless the number is a given value
+ * arch_atomic64_fetch_add_unless - add unless the number is a given value
* @v: pointer of type atomic64_t
* @a: the amount to add to v...
* @u: ...unless v is equal to u.
@@ -245,7 +251,7 @@ static __inline__ int atomic_fetch_add_unless(atomic_t *v, int a, int u)
* Atomically adds @a to @v, so long as it was not @u.
* Returns the old value of @v.
*/
-static __inline__ s64 atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u)
+static __inline__ s64 arch_atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u)
{
s64 c, new, old;
smp_mb();
@@ -266,16 +272,16 @@ static __inline__ s64 atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u)
smp_mb();
return old;
}
-#define atomic64_fetch_add_unless atomic64_fetch_add_unless
+#define arch_atomic64_fetch_add_unless arch_atomic64_fetch_add_unless
/*
- * atomic64_dec_if_positive - decrement by 1 if old value positive
+ * arch_atomic64_dec_if_positive - decrement by 1 if old value positive
* @v: pointer of type atomic_t
*
* The function returns the old value of *v minus 1, even if
* the atomic variable, v, was not decremented.
*/
-static inline s64 atomic64_dec_if_positive(atomic64_t *v)
+static inline s64 arch_atomic64_dec_if_positive(atomic64_t *v)
{
s64 old, tmp;
smp_mb();
@@ -295,6 +301,6 @@ static inline s64 atomic64_dec_if_positive(atomic64_t *v)
smp_mb();
return old - 1;
}
-#define atomic64_dec_if_positive atomic64_dec_if_positive
+#define arch_atomic64_dec_if_positive arch_atomic64_dec_if_positive
#endif /* _ALPHA_ATOMIC_H */
diff --git a/arch/alpha/include/asm/cmpxchg.h b/arch/alpha/include/asm/cmpxchg.h
index 6c7c39452471..6e0a850aa9d3 100644
--- a/arch/alpha/include/asm/cmpxchg.h
+++ b/arch/alpha/include/asm/cmpxchg.h
@@ -17,7 +17,7 @@
sizeof(*(ptr))); \
})
-#define cmpxchg_local(ptr, o, n) \
+#define arch_cmpxchg_local(ptr, o, n) \
({ \
__typeof__(*(ptr)) _o_ = (o); \
__typeof__(*(ptr)) _n_ = (n); \
@@ -26,7 +26,7 @@
sizeof(*(ptr))); \
})
-#define cmpxchg64_local(ptr, o, n) \
+#define arch_cmpxchg64_local(ptr, o, n) \
({ \
BUILD_BUG_ON(sizeof(*(ptr)) != 8); \
cmpxchg_local((ptr), (o), (n)); \
@@ -42,7 +42,7 @@
* The leading and the trailing memory barriers guarantee that these
* operations are fully ordered.
*/
-#define xchg(ptr, x) \
+#define arch_xchg(ptr, x) \
({ \
__typeof__(*(ptr)) __ret; \
__typeof__(*(ptr)) _x_ = (x); \
@@ -53,7 +53,7 @@
__ret; \
})
-#define cmpxchg(ptr, o, n) \
+#define arch_cmpxchg(ptr, o, n) \
({ \
__typeof__(*(ptr)) __ret; \
__typeof__(*(ptr)) _o_ = (o); \
@@ -65,10 +65,10 @@
__ret; \
})
-#define cmpxchg64(ptr, o, n) \
+#define arch_cmpxchg64(ptr, o, n) \
({ \
BUILD_BUG_ON(sizeof(*(ptr)) != 8); \
- cmpxchg((ptr), (o), (n)); \
+ arch_cmpxchg((ptr), (o), (n)); \
})
#undef ____cmpxchg