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Diffstat (limited to 'arch/arc/include/asm/atomic64-arcv2.h')
-rw-r--r--arch/arc/include/asm/atomic64-arcv2.h24
1 files changed, 13 insertions, 11 deletions
diff --git a/arch/arc/include/asm/atomic64-arcv2.h b/arch/arc/include/asm/atomic64-arcv2.h
index 22ef1cbb94e2..c5a8010fdc97 100644
--- a/arch/arc/include/asm/atomic64-arcv2.h
+++ b/arch/arc/include/asm/atomic64-arcv2.h
@@ -64,12 +64,10 @@ static inline void arch_atomic64_##op(s64 a, atomic64_t *v) \
} \
#define ATOMIC64_OP_RETURN(op, op1, op2) \
-static inline s64 arch_atomic64_##op##_return(s64 a, atomic64_t *v) \
+static inline s64 arch_atomic64_##op##_return_relaxed(s64 a, atomic64_t *v) \
{ \
s64 val; \
\
- smp_mb(); \
- \
__asm__ __volatile__( \
"1: \n" \
" llockd %0, [%1] \n" \
@@ -81,18 +79,17 @@ static inline s64 arch_atomic64_##op##_return(s64 a, atomic64_t *v) \
: "r"(&v->counter), "ir"(a) \
: "cc"); /* memory clobber comes from smp_mb() */ \
\
- smp_mb(); \
- \
return val; \
}
+#define arch_atomic64_add_return_relaxed arch_atomic64_add_return_relaxed
+#define arch_atomic64_sub_return_relaxed arch_atomic64_sub_return_relaxed
+
#define ATOMIC64_FETCH_OP(op, op1, op2) \
-static inline s64 arch_atomic64_fetch_##op(s64 a, atomic64_t *v) \
+static inline s64 arch_atomic64_fetch_##op##_relaxed(s64 a, atomic64_t *v) \
{ \
s64 val, orig; \
\
- smp_mb(); \
- \
__asm__ __volatile__( \
"1: \n" \
" llockd %0, [%2] \n" \
@@ -104,11 +101,17 @@ static inline s64 arch_atomic64_fetch_##op(s64 a, atomic64_t *v) \
: "r"(&v->counter), "ir"(a) \
: "cc"); /* memory clobber comes from smp_mb() */ \
\
- smp_mb(); \
- \
return orig; \
}
+#define arch_atomic64_fetch_add_relaxed arch_atomic64_fetch_add_relaxed
+#define arch_atomic64_fetch_sub_relaxed arch_atomic64_fetch_sub_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
+
#define ATOMIC64_OPS(op, op1, op2) \
ATOMIC64_OP(op, op1, op2) \
ATOMIC64_OP_RETURN(op, op1, op2) \
@@ -128,7 +131,6 @@ ATOMIC64_OPS(or, or, or)
ATOMIC64_OPS(xor, xor, xor)
#define arch_atomic64_andnot arch_atomic64_andnot
-#define arch_atomic64_fetch_andnot arch_atomic64_fetch_andnot
#undef ATOMIC64_OPS
#undef ATOMIC64_FETCH_OP