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
  16 DEFINE_PER_CPU(struct pt_regs *, __irq_regs);
  17 EXPORT_PER_CPU_SYMBOL(__irq_regs);
  18 #endif