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-rw-r--r--arch/powerpc/include/asm/spinlock.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h
new file mode 100644
index 000000000..bd75872a6
--- /dev/null
+++ b/arch/powerpc/include/asm/spinlock.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef __ASM_SPINLOCK_H
+#define __ASM_SPINLOCK_H
+#ifdef __KERNEL__
+
+#ifdef CONFIG_PPC_QUEUED_SPINLOCKS
+#include <asm/qspinlock.h>
+#include <asm/qrwlock.h>
+#else
+#include <asm/simple_spinlock.h>
+#endif
+
+/* See include/linux/spinlock.h */
+#define smp_mb__after_spinlock() smp_mb()
+
+#ifndef CONFIG_PARAVIRT_SPINLOCKS
+static inline void pv_spinlocks_init(void) { }
+#endif
+
+#endif /* __KERNEL__ */
+#endif /* __ASM_SPINLOCK_H */