linux/lib/irq_regs.c
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   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/module.h>
  12#include <asm/irq_regs.h>
  13
  14#ifndef ARCH_HAS_OWN_IRQ_REGS
  15DEFINE_PER_CPU(struct pt_regs *, __irq_regs);
  16EXPORT_PER_CPU_SYMBOL(__irq_regs);
  17#endif
  18
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