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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
commit8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch)
treee9891aa6c295060d065adffd610c4f49ecf884f3 /arch/sparc/lib
parenta71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff)
Linux-libre 4.3.2-gnu
Diffstat (limited to 'arch/sparc/lib')
-rw-r--r--arch/sparc/lib/atomic32.c22
-rw-r--r--arch/sparc/lib/atomic_64.S6
-rw-r--r--arch/sparc/lib/ksyms.c3
3 files changed, 28 insertions, 3 deletions
diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c
index 71cd65ab2..b9d63c0a7 100644
--- a/arch/sparc/lib/atomic32.c
+++ b/arch/sparc/lib/atomic32.c
@@ -27,22 +27,38 @@ static DEFINE_SPINLOCK(dummy);
#endif /* SMP */
-#define ATOMIC_OP(op, cop) \
+#define ATOMIC_OP_RETURN(op, c_op) \
int atomic_##op##_return(int i, atomic_t *v) \
{ \
int ret; \
unsigned long flags; \
spin_lock_irqsave(ATOMIC_HASH(v), flags); \
\
- ret = (v->counter cop i); \
+ ret = (v->counter c_op i); \
\
spin_unlock_irqrestore(ATOMIC_HASH(v), flags); \
return ret; \
} \
EXPORT_SYMBOL(atomic_##op##_return);
-ATOMIC_OP(add, +=)
+#define ATOMIC_OP(op, c_op) \
+void atomic_##op(int i, atomic_t *v) \
+{ \
+ unsigned long flags; \
+ spin_lock_irqsave(ATOMIC_HASH(v), flags); \
+ \
+ v->counter c_op i; \
+ \
+ spin_unlock_irqrestore(ATOMIC_HASH(v), flags); \
+} \
+EXPORT_SYMBOL(atomic_##op);
+
+ATOMIC_OP_RETURN(add, +=)
+ATOMIC_OP(and, &=)
+ATOMIC_OP(or, |=)
+ATOMIC_OP(xor, ^=)
+#undef ATOMIC_OP_RETURN
#undef ATOMIC_OP
int atomic_xchg(atomic_t *v, int new)
diff --git a/arch/sparc/lib/atomic_64.S b/arch/sparc/lib/atomic_64.S
index 05dac4390..d6b0363f3 100644
--- a/arch/sparc/lib/atomic_64.S
+++ b/arch/sparc/lib/atomic_64.S
@@ -47,6 +47,9 @@ ENDPROC(atomic_##op##_return);
ATOMIC_OPS(add)
ATOMIC_OPS(sub)
+ATOMIC_OP(and)
+ATOMIC_OP(or)
+ATOMIC_OP(xor)
#undef ATOMIC_OPS
#undef ATOMIC_OP_RETURN
@@ -84,6 +87,9 @@ ENDPROC(atomic64_##op##_return);
ATOMIC64_OPS(add)
ATOMIC64_OPS(sub)
+ATOMIC64_OP(and)
+ATOMIC64_OP(or)
+ATOMIC64_OP(xor)
#undef ATOMIC64_OPS
#undef ATOMIC64_OP_RETURN
diff --git a/arch/sparc/lib/ksyms.c b/arch/sparc/lib/ksyms.c
index 8069ce12f..8eb454cfe 100644
--- a/arch/sparc/lib/ksyms.c
+++ b/arch/sparc/lib/ksyms.c
@@ -111,6 +111,9 @@ EXPORT_SYMBOL(atomic64_##op##_return);
ATOMIC_OPS(add)
ATOMIC_OPS(sub)
+ATOMIC_OP(and)
+ATOMIC_OP(or)
+ATOMIC_OP(xor)
#undef ATOMIC_OPS
#undef ATOMIC_OP_RETURN