diff options
| author | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-30 08:25:59 +0000 |
| commit | 8e4bff4cab0ddac6060645b0715210484d02ff40 (patch) | |
| tree | 3a5c3024371a04692a3a6d9974d001cdff8ebf84 /lib/irq_regs.c | |
Diffstat (limited to 'lib/irq_regs.c')
| -rw-r--r-- | lib/irq_regs.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/irq_regs.c b/lib/irq_regs.c new file mode 100644 index 00000000..9c0a1d70 --- /dev/null +++ b/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 |