Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / lib / irq_regs.c

diff --git a/kernel/lib/irq_regs.c b/kernel/lib/irq_regs.c
new file mode 100644 (file)
index 0000000..9c0a1d7
--- /dev/null
+++ b/kernel/lib/irq_regs.c
@@ -0,0 +1,18 @@
+/* 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 <linux/export.h>
+#include <linux/percpu.h>
+#include <asm/irq_regs.h>
+
+#ifndef ARCH_HAS_OWN_IRQ_REGS
+DEFINE_PER_CPU(struct pt_regs *, __irq_regs);
+EXPORT_PER_CPU_SYMBOL(__irq_regs);
+#endif