mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-27 06:34:11 +08:00
96a388de5d
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>
30 lines
613 B
C
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 */
|