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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Per-cpu current frame pointer - the location of the last exception frame on
* the stack, stored in the per-cpu area.
*
* Jeremy Fitzhardinge <[email protected]>
*/
#ifndef _ASM_X86_IRQ_REGS_H
#define _ASM_X86_IRQ_REGS_H
#include <asm/percpu.h>
#define ARCH_HAS_OWN_IRQ_REGS
DECLARE_PER_CPU(struct pt_regs *, irq_regs);
static inline struct pt_regs *get_irq_regs(void)
{
return __this_cpu_read(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();
__this_cpu_write(irq_regs, new_regs);
return old_regs;
}
#endif /* _ASM_X86_IRQ_REGS_32_H */