linux/include/asm-generic/irq_regs.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/* Fallback per-CPU frame pointer holder
 *
 * Copyright (C) 2006 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells ([email protected])
 */

#ifndef _ASM_GENERIC_IRQ_REGS_H
#define _ASM_GENERIC_IRQ_REGS_H

#include <linux/percpu.h>

/*
 * Per-cpu current frame pointer - the location of the last exception frame on
 * the stack
 */
DECLARE_PER_CPU(struct pt_regs *, __irq_regs);

static inline struct pt_regs *get_irq_regs(void)
{ … }

static inline struct pt_regs *set_irq_regs(struct pt_regs *new_regs)
{ … }

#endif /* _ASM_GENERIC_IRQ_REGS_H */