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authorIngo Molnar <mingo@kernel.org>2015-08-12 11:44:30 +0200
committerIngo Molnar <mingo@kernel.org>2015-08-12 11:44:30 +0200
commitf52609fdabb1c726f8b9fdf64df3161781aa186e (patch)
tree3b7d4a47505eddb097bab848a8ffdc4bbbf79bb7 /arch/sparc
parent20f9ed1568c00bbd9e6af31341d25e06bc3d4a16 (diff)
parent41b9e9fcc1c44b84a785115058ce9c703e3fca6e (diff)
Merge branch 'locking/arch-atomic' into locking/core, because it's ready for upstream
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/include/asm/atomic_32.h4
-rw-r--r--arch/sparc/include/asm/atomic_64.h4
-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
5 files changed, 35 insertions, 4 deletions
diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h
index 0e69b7e7a439..7dcbebbcaec6 100644
--- a/arch/sparc/include/asm/atomic_32.h
+++ b/arch/sparc/include/asm/atomic_32.h
@@ -17,10 +17,12 @@
#include <asm/barrier.h>
#include <asm-generic/atomic64.h>
-
#define ATOMIC_INIT(i) { (i) }
int atomic_add_return(int, atomic_t *);
+void atomic_and(int, atomic_t *);
+void atomic_or(int, atomic_t *);
+void atomic_xor(int, atomic_t *);
int atomic_cmpxchg(atomic_t *, int, int);
int atomic_xchg(atomic_t *, int);
int __atomic_add_unless(atomic_t *, int, int);
diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h
index 4082749913ce..917084ace49d 100644
--- a/arch/sparc/include/asm/atomic_64.h
+++ b/arch/sparc/include/asm/atomic_64.h
@@ -33,6 +33,10 @@ long atomic64_##op##_return(long, atomic64_t *);
ATOMIC_OPS(add)
ATOMIC_OPS(sub)
+ATOMIC_OP(and)
+ATOMIC_OP(or)
+ATOMIC_OP(xor)
+
#undef ATOMIC_OPS
#undef ATOMIC_OP_RETURN
#undef ATOMIC_OP
diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c
index 71cd65ab200c..b9d63c0a7aab 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 05dac43907d1..d6b0363f345b 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 1d649a95660c..bb6005997268 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