2 files changed, 16 insertions, 1 deletions

diff --git a/lib/Makefile b/lib/Makefile
index b0361756e22e..8e6662bb9c37 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -5,7 +5,7 @@
 lib-y := ctype.o string.o vsprintf.o cmdline.o \
          bust_spinlocks.o rbtree.o radix-tree.o dump_stack.o \
          idr.o div64.o int_sqrt.o bitmap.o extable.o prio_tree.o \
-         sha1.o
+         sha1.o irq_regs.o
 
 lib-$(CONFIG_MMU) += ioremap.o
 lib-$(CONFIG_SMP) += cpumask.o
diff --git a/lib/irq_regs.c b/lib/irq_regs.c
new file mode 100644
index 000000000000..101b1a4f9b14
--- /dev/null
+++ b/lib/irq_regs.c
@@ -0,0 +1,15 @@
+/* saved per-CPU IRQ register pointer
+ *
+ * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#include <asm/irq_regs.h>
+
+#ifndef ARCH_HAS_OWN_IRQ_REGS
+DEFINE_PER_CPU(struct pt_regs *, __irq_regs);
+#endif