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Edit File: irq.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_IRQ_H
#define _ASM_X86_IRQ_H
/*
 *	(C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
 *
 *	IRQ/IPI changes taken from work by Thomas Radke
 *	<tomsoft@informatik.tu-chemnitz.de>
 */

#include <asm/apicdef.h>
#include <asm/irq_vectors.h>

/*
 * The irq entry code is in the noinstr section and the start/end of
 * __irqentry_text is emitted via labels. Make the build fail if
 * something moves a C function into the __irq_entry section.
 */
#define __irq_entry __invalid_section

static inline int irq_canonicalize(int irq)
{
	return ((irq == 2) ? 9 : irq);
}

extern int irq_init_percpu_irqstack(unsigned int cpu);

struct irq_desc;

extern void fixup_irqs(void);

#ifdef CONFIG_HAVE_KVM
extern void kvm_set_posted_intr_wakeup_handler(void (*handler)(void));
#endif

extern void (*x86_platform_ipi_callback)(void);
extern void native_init_IRQ(void);

extern void __handle_irq(struct irq_desc *desc, struct pt_regs *regs);

extern void init_ISA_irqs(void);

extern void __init init_IRQ(void);

#ifdef CONFIG_X86_LOCAL_APIC
void arch_trigger_cpumask_backtrace(const struct cpumask *mask,
				    bool exclude_self);

#define arch_trigger_cpumask_backtrace arch_trigger_cpumask_backtrace
#endif

#endif /* _ASM_X86_IRQ_H */