root/lib/irq_regs.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /* saved per-CPU IRQ register pointer
   3  *
   4  * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
   5  * Written by David Howells (dhowells@redhat.com)
   6  */
   7 #include <linux/export.h>
   8 #include <linux/percpu.h>
   9 #include <asm/irq_regs.h>
  10 
  11 #ifndef ARCH_HAS_OWN_IRQ_REGS
  12 DEFINE_PER_CPU(struct pt_regs *, __irq_regs);
  13 EXPORT_PER_CPU_SYMBOL(__irq_regs);
  14 #endif