Root/lib/irq_regs.c

1/* saved per-CPU IRQ register pointer
2 *
3 * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11#include <linux/export.h>
12#include <linux/percpu.h>
13#include <asm/irq_regs.h>
14
15#ifndef ARCH_HAS_OWN_IRQ_REGS
16DEFINE_PER_CPU(struct pt_regs *, __irq_regs);
17EXPORT_PER_CPU_SYMBOL(__irq_regs);
18#endif
19

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