1 files changed, 36 insertions, 0 deletions
diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h
index 92d6f33b6046..b36dd6a1d652 100644
--- a/arch/s390/include/asm/atomic.h
+++ b/arch/s390/include/asm/atomic.h
@@ -57,6 +57,24 @@ static __always_inline void arch_atomic_dec(atomic_t *v)
 }
 #define arch_atomic_dec arch_atomic_dec
 
+static __always_inline bool arch_atomic_sub_and_test(int i, atomic_t *v)
+{
+	return __atomic_add_and_test_barrier(-i, &v->counter);
+}
+#define arch_atomic_sub_and_test arch_atomic_sub_and_test
+
+static __always_inline bool arch_atomic_dec_and_test(atomic_t *v)
+{
+	return __atomic_add_const_and_test_barrier(-1, &v->counter);
+}
+#define arch_atomic_dec_and_test arch_atomic_dec_and_test
+
+static __always_inline bool arch_atomic_inc_and_test(atomic_t *v)
+{
+	return __atomic_add_const_and_test_barrier(1, &v->counter);
+}
+#define arch_atomic_inc_and_test arch_atomic_inc_and_test
+
 #define arch_atomic_sub(_i, _v)		arch_atomic_add(-(int)(_i), _v)
 #define arch_atomic_sub_return(_i, _v)	arch_atomic_add_return(-(int)(_i), _v)
 #define arch_atomic_fetch_sub(_i, _v)	arch_atomic_fetch_add(-(int)(_i), _v)
@@ -146,6 +164,24 @@ static __always_inline void arch_atomic64_dec(atomic64_t *v)
 }
 #define arch_atomic64_dec arch_atomic64_dec
 
+static __always_inline bool arch_atomic64_sub_and_test(s64 i, atomic64_t *v)
+{
+	return __atomic64_add_and_test_barrier(-i, (long *)&v->counter);
+}
+#define arch_atomic64_sub_and_test arch_atomic64_sub_and_test
+
+static __always_inline bool arch_atomic64_dec_and_test(atomic64_t *v)
+{
+	return __atomic64_add_const_and_test_barrier(-1, (long *)&v->counter);
+}
+#define arch_atomic64_dec_and_test arch_atomic64_dec_and_test
+
+static __always_inline bool arch_atomic64_inc_and_test(atomic64_t *v)
+{
+	return __atomic64_add_const_and_test_barrier(1, (long *)&v->counter);
+}
+#define arch_atomic64_inc_and_test arch_atomic64_inc_and_test
+
 static __always_inline s64 arch_atomic64_xchg(atomic64_t *v, s64 new)
 {
 	return arch_xchg(&v->counter, new);