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Linux/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
 19 

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