author: Linus Torvalds <torvalds@linux-foundation.org> 2021-06-28 11:45:29 -0700
committer: Linus Torvalds <torvalds@linux-foundation.org> 2021-06-28 11:45:29 -0700
commit: a15286c63d113d4296c58867994cd266a28f5d6d
parent: b89c07dea16137696d0f2d479ef665ef7c1022ab
Commit Summary:
Diffstat:
3 files changed, 42 insertions, 39 deletions
diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h
index 27ad76791539..95e1f7f3597f 100644
--- a/arch/mips/include/asm/atomic.h
+++ b/arch/mips/include/asm/atomic.h
@@ -25,24 +25,25 @@
#include <asm/war.h>
#define ATOMIC_OPS(pfx, type) \
-static __always_inline type pfx##_read(const pfx##_t *v) \
+static __always_inline type arch_##pfx##_read(const pfx##_t *v) \
{ \
return READ_ONCE(v->counter); \
} \
\
-static __always_inline void pfx##_set(pfx##_t *v, type i) \
+static __always_inline void arch_##pfx##_set(pfx##_t *v, type i) \
{ \
WRITE_ONCE(v->counter, i); \
} \
\
-static __always_inline type pfx##_cmpxchg(pfx##_t *v, type o, type n) \
+static __always_inline type \
+arch_##pfx##_cmpxchg(pfx##_t *v, type o, type n) \
{ \
- return cmpxchg(&v->counter, o, n); \
+ return arch_cmpxchg(&v->counter, o, n); \
} \
\
-static __always_inline type pfx##_xchg(pfx##_t *v, type n) \
+static __always_inline type arch_##pfx##_xchg(pfx##_t *v, type n) \
{ \
- return xchg(&v->counter, n); \
+ return arch_xchg(&v->counter, n); \
}
ATOMIC_OPS(atomic, int)
@@ -53,7 +54,7 @@ ATOMIC_OPS(atomic64, s64)
#endif
#define ATOMIC_OP(pfx, op, type, c_op, asm_op, ll, sc) \
-static __inline__ void pfx##_##op(type i, pfx##_t * v) \
+static __inline__ void arch_##pfx##_##op(type i, pfx##_t * v) \
{ \
type temp; \
\
@@ -80,7 +81,8 @@ static __inline__ void pfx##_##op(type i, pfx##_t * v) \
}
#define ATOMIC_OP_RETURN(pfx, op, type, c_op, asm_op, ll, sc) \
-static __inline__ type pfx##_##op##_return_relaxed(type i, pfx##_t * v) \
+static __inline__ type \
+arch_##pfx##_##op##_return_relaxed(type i, pfx##_t * v) \
{ \
type temp, result; \
\
@@ -113,7 +115,8 @@ static __inline__ type pfx##_##op##_return_relaxed(type i, pfx##_t * v) \
}
#define ATOMIC_FETCH_OP(pfx, op, type, c_op, asm_op, ll, sc) \
-static __inline__ type pfx##_fetch_##op##_relaxed(type i, pfx##_t * v) \
+static __inline__ type \
+arch_##pfx##_fetch_##op##_relaxed(type i, pfx##_t * v) \
{ \
int temp, result; \
\
@@ -153,18 +156,18 @@ static __inline__ type pfx##_fetch_##op##_relaxed(type i, pfx##_t * v) \
ATOMIC_OPS(atomic, add, int, +=, addu, ll, sc)
ATOMIC_OPS(atomic, sub, int, -=, subu, ll, sc)
-#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
#ifdef CONFIG_64BIT
ATOMIC_OPS(atomic64, add, s64, +=, daddu, lld, scd)
ATOMIC_OPS(atomic64, sub, s64, -=, dsubu, lld, scd)
-# 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
#endif /* CONFIG_64BIT */
#undef ATOMIC_OPS
@@ -176,17 +179,17 @@ ATOMIC_OPS(atomic, and, int, &=, and, ll, sc)
ATOMIC_OPS(atomic, or, int, |=, or, ll, sc)
ATOMIC_OPS(atomic, xor, int, ^=, xor, ll, sc)
-#define atomic_fetch_and_relaxed atomic_fetch_and_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_or_relaxed arch_atomic_fetch_or_relaxed
+#define arch_atomic_fetch_xor_relaxed arch_atomic_fetch_xor_relaxed
#ifdef CONFIG_64BIT
ATOMIC_OPS(atomic64, and, s64, &=, and, lld, scd)
ATOMIC_OPS(atomic64, or, s64, |=, or, lld, scd)
ATOMIC_OPS(atomic64, xor, s64, ^=, xor, lld, scd)
-# define atomic64_fetch_and_relaxed atomic64_fetch_and_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_or_relaxed arch_atomic64_fetch_or_relaxed
+# define arch_atomic64_fetch_xor_relaxed arch_atomic64_fetch_xor_relaxed
#endif
#undef ATOMIC_OPS
@@ -203,7 +206,7 @@ ATOMIC_OPS(atomic64, xor, s64, ^=, xor, lld, scd)
* The function returns the old value of @v minus @i.
*/
#define ATOMIC_SIP_OP(pfx, type, op, ll, sc) \
-static __inline__ int pfx##_sub_if_positive(type i, pfx##_t * v) \
+static __inline__ int arch_##pfx##_sub_if_positive(type i, pfx##_t * v) \
{ \
type temp, result; \
\
@@ -255,11 +258,11 @@ static __inline__ int pfx##_sub_if_positive(type i, pfx##_t * v) \
}
ATOMIC_SIP_OP(atomic, int, subu, ll, sc)
-#define atomic_dec_if_positive(v) atomic_sub_if_positive(1, v)
+#define arch_atomic_dec_if_positive(v) arch_atomic_sub_if_positive(1, v)
#ifdef CONFIG_64BIT
ATOMIC_SIP_OP(atomic64, s64, dsubu, lld, scd)
-#define atomic64_dec_if_positive(v) atomic64_sub_if_positive(1, v)
+#define arch_atomic64_dec_if_positive(v) arch_atomic64_sub_if_positive(1, v)
#endif
#undef ATOMIC_SIP_OP
diff --git a/arch/mips/include/asm/cmpxchg.h b/arch/mips/include/asm/cmpxchg.h
index ed8f3f3c4304..0b983800f48b 100644
--- a/arch/mips/include/asm/cmpxchg.h
+++ b/arch/mips/include/asm/cmpxchg.h
@@ -90,7 +90,7 @@ unsigned long __xchg(volatile void *ptr, unsigned long x, int size)
}
}
-#define xchg(ptr, x) \
+#define arch_xchg(ptr, x) \
({ \
__typeof__(*(ptr)) __res; \
\
@@ -175,14 +175,14 @@ unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
}
}
-#define cmpxchg_local(ptr, old, new) \
+#define arch_cmpxchg_local(ptr, old, new) \
((__typeof__(*(ptr))) \
__cmpxchg((ptr), \
(unsigned long)(__typeof__(*(ptr)))(old), \
(unsigned long)(__typeof__(*(ptr)))(new), \
sizeof(*(ptr))))
-#define cmpxchg(ptr, old, new) \
+#define arch_cmpxchg(ptr, old, new) \
({ \
__typeof__(*(ptr)) __res; \
\
@@ -194,7 +194,7 @@ unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
if (__SYNC_loongson3_war == 0) \
smp_mb__before_llsc(); \
\
- __res = cmpxchg_local((ptr), (old), (new)); \
+ __res = arch_cmpxchg_local((ptr), (old), (new)); \
\
/* \
* In the Loongson3 workaround case __cmpxchg_asm() already \
@@ -208,21 +208,21 @@ unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
})
#ifdef CONFIG_64BIT
-#define cmpxchg64_local(ptr, o, n) \
+#define arch_cmpxchg64_local(ptr, o, n) \
({ \
BUILD_BUG_ON(sizeof(*(ptr)) != 8); \
- cmpxchg_local((ptr), (o), (n)); \
+ arch_cmpxchg_local((ptr), (o), (n)); \
})
-#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)); \
})
#else
# include <asm-generic/cmpxchg-local.h>
-# define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n))
+# define arch_cmpxchg64_local(ptr, o, n) __generic_cmpxchg64_local((ptr), (o), (n))
# ifdef CONFIG_SMP
@@ -294,7 +294,7 @@ static inline unsigned long __cmpxchg64(volatile void *ptr,
return ret;
}
-# define cmpxchg64(ptr, o, n) ({ \
+# define arch_cmpxchg64(ptr, o, n) ({ \
unsigned long long __old = (__typeof__(*(ptr)))(o); \
unsigned long long __new = (__typeof__(*(ptr)))(n); \
__typeof__(*(ptr)) __res; \
@@ -317,7 +317,7 @@ static inline unsigned long __cmpxchg64(volatile void *ptr,
})
# else /* !CONFIG_SMP */
-# define cmpxchg64(ptr, o, n) cmpxchg64_local((ptr), (o), (n))
+# define arch_cmpxchg64(ptr, o, n) arch_cmpxchg64_local((ptr), (o), (n))
# endif /* !CONFIG_SMP */
#endif /* !CONFIG_64BIT */
diff --git a/arch/mips/kernel/cmpxchg.c b/arch/mips/kernel/cmpxchg.c
index 89107deb03fc..ac9c8cfb2ba9 100644
--- a/arch/mips/kernel/cmpxchg.c
+++ b/arch/mips/kernel/cmpxchg.c
@@ -41,7 +41,7 @@ unsigned long __xchg_small(volatile void *ptr, unsigned long val, unsigned int s
do {
old32 = load32;
new32 = (load32 & ~mask) | (val << shift);
- load32 = cmpxchg(ptr32, old32, new32);
+ load32 = arch_cmpxchg(ptr32, old32, new32);
} while (load32 != old32);
return (load32 & mask) >> shift;
@@ -97,7 +97,7 @@ unsigned long __cmpxchg_small(volatile void *ptr, unsigned long old,
*/
old32 = (load32 & ~mask) | (old << shift);
new32 = (load32 & ~mask) | (new << shift);
- load32 = cmpxchg(ptr32, old32, new32);
+ load32 = arch_cmpxchg(ptr32, old32, new32);
if (load32 == old32)
return old;
}