diff options
Diffstat (limited to 'kernel/lib/irq_regs.c')
| -rw-r--r-- | kernel/lib/irq_regs.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/kernel/lib/irq_regs.c b/kernel/lib/irq_regs.c new file mode 100644 index 000000000..9c0a1d70f --- /dev/null +++ b/kernel/lib/irq_regs.c @@ -0,0 +1,18 @@ +/* saved per-CPU IRQ register pointer + * + * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#include <linux/export.h> +#include <linux/percpu.h> +#include <asm/irq_regs.h> + +#ifndef ARCH_HAS_OWN_IRQ_REGS +DEFINE_PER_CPU(struct pt_regs *, __irq_regs); +EXPORT_PER_CPU_SYMBOL(__irq_regs); +#endif |