1/*
 2 * Per-cpu current frame pointer - the location of the last exception frame on
 3 * the stack, stored in the per-cpu area.
 4 *
 5 * Jeremy Fitzhardinge <jeremy@goop.org>
 6 */
 7#ifndef _ASM_X86_IRQ_REGS_H
 8#define _ASM_X86_IRQ_REGS_H
 9
10#include <asm/percpu.h>
11
12#define ARCH_HAS_OWN_IRQ_REGS
13
14DECLARE_PER_CPU(struct pt_regs *, irq_regs);
15
16static inline struct pt_regs *get_irq_regs(void)
17{
18	return this_cpu_read(irq_regs);
19}
20
21static inline struct pt_regs *set_irq_regs(struct pt_regs *new_regs)
22{
23	struct pt_regs *old_regs;
24
25	old_regs = get_irq_regs();
26	this_cpu_write(irq_regs, new_regs);
27
28	return old_regs;
29}
30
31#endif /* _ASM_X86_IRQ_REGS_32_H */