diff --git a/headers/private/system/arch/arm/arch_cpu_defs.h b/headers/private/system/arch/arm/arch_cpu_defs.h
new file mode 100644
index 0000000000..180ef73edf
--- /dev/null
+++ b/headers/private/system/arch/arm/arch_cpu_defs.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright 2010, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _SYSTEM_ARCH_ARM_DEFS_H
+#define _SYSTEM_ARCH_ARM_DEFS_H
+
+
+#define SPINLOCK_PAUSE()	do {} while (false)
+
+
+#endif	/* _SYSTEM_ARCH_ARM_DEFS_H */
diff --git a/headers/private/system/arch/m68k/arch_cpu_defs.h b/headers/private/system/arch/m68k/arch_cpu_defs.h
new file mode 100644
index 0000000000..c3ddb13811
--- /dev/null
+++ b/headers/private/system/arch/m68k/arch_cpu_defs.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright 2010, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _SYSTEM_ARCH_M68K_DEFS_H
+#define _SYSTEM_ARCH_M68K_DEFS_H
+
+
+#define SPINLOCK_PAUSE()	do {} while (false)
+
+
+#endif	/* _SYSTEM_ARCH_M68K_DEFS_H */
diff --git a/headers/private/system/arch/mipsel/arch_cpu_defs.h b/headers/private/system/arch/mipsel/arch_cpu_defs.h
new file mode 100644
index 0000000000..97d2477c07
--- /dev/null
+++ b/headers/private/system/arch/mipsel/arch_cpu_defs.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright 2010, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _SYSTEM_ARCH_MIPSEL_DEFS_H
+#define _SYSTEM_ARCH_MIPSEL_DEFS_H
+
+
+#define SPINLOCK_PAUSE()	do {} while (false)
+
+
+#endif	/* _SYSTEM_ARCH_MIPSEL_DEFS_H */
diff --git a/headers/private/system/arch/ppc/arch_cpu_defs.h b/headers/private/system/arch/ppc/arch_cpu_defs.h
new file mode 100644
index 0000000000..7191a7bb8a
--- /dev/null
+++ b/headers/private/system/arch/ppc/arch_cpu_defs.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright 2010, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _SYSTEM_ARCH_PPC_DEFS_H
+#define _SYSTEM_ARCH_PPC_DEFS_H
+
+
+#define SPINLOCK_PAUSE()	do {} while (false)
+
+
+#endif	/* _SYSTEM_ARCH_PPC_DEFS_H */
diff --git a/headers/private/system/arch/x86/arch_cpu_defs.h b/headers/private/system/arch/x86/arch_cpu_defs.h
new file mode 100644
index 0000000000..e10ef985d4
--- /dev/null
+++ b/headers/private/system/arch/x86/arch_cpu_defs.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright 2010, Ingo Weinhold, ingo_weinhold@gmx.de.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _SYSTEM_ARCH_X86_DEFS_H
+#define _SYSTEM_ARCH_X86_DEFS_H
+
+
+#define SPINLOCK_PAUSE()	asm volatile("pause;")
+
+
+#endif	/* _SYSTEM_ARCH_X86_DEFS_H */