xref: /linux/lib/irq_regs.c (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
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