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-rw-r--r--arch/ia64/include/asm/cmpxchg.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/cmpxchg.h b/arch/ia64/include/asm/cmpxchg.h
new file mode 100644
index 000000000000..94ef84429843
--- /dev/null
+++ b/arch/ia64/include/asm/cmpxchg.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_IA64_CMPXCHG_H
+#define _ASM_IA64_CMPXCHG_H
+
+#include <uapi/asm/cmpxchg.h>
+
+#define arch_xchg(ptr, x) \
+({(__typeof__(*(ptr))) __xchg((unsigned long) (x), (ptr), sizeof(*(ptr)));})
+
+#define arch_cmpxchg(ptr, o, n) cmpxchg_acq((ptr), (o), (n))
+#define arch_cmpxchg64(ptr, o, n) cmpxchg_acq((ptr), (o), (n))
+
+#define arch_cmpxchg_local arch_cmpxchg
+#define arch_cmpxchg64_local arch_cmpxchg64
+
+#endif /* _ASM_IA64_CMPXCHG_H */