xref: /linux/lib/irq_regs.c (revision ab52c59103002b49f2455371e4b9c56ba3ef1781)
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
15