kernel-ark/include/asm-x86/irq_regs_32.h
Thomas Gleixner 96a388de5d i386/x86_64: move headers to include/asm-x86
Move the headers to include/asm-x86 and fixup the
header install make rules

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2007-10-11 11:20:03 +02:00

30 lines
613 B
C

/*
* Per-cpu current frame pointer - the location of the last exception frame on
* the stack, stored in the per-cpu area.
*
* Jeremy Fitzhardinge <jeremy@goop.org>
*/
#ifndef _ASM_I386_IRQ_REGS_H
#define _ASM_I386_IRQ_REGS_H
#include <asm/percpu.h>
DECLARE_PER_CPU(struct pt_regs *, irq_regs);
static inline struct pt_regs *get_irq_regs(void)
{
return x86_read_percpu(irq_regs);
}
static inline struct pt_regs *set_irq_regs(struct pt_regs *new_regs)
{
struct pt_regs *old_regs;
old_regs = get_irq_regs();
x86_write_percpu(irq_regs, new_regs);
return old_regs;
}
#endif /* _ASM_I386_IRQ_REGS_H */