Cregit: Linux 5.8: irq

Contributors: 6
Author	Tokens	Token Proportion	Commits	Commit Proportion
Peter Zijlstra	35	44.30%	2	20.00%
Thomas Gleixner	19	24.05%	3	30.00%
Seiji Aguchi	19	24.05%	2	20.00%
Daniel Bristot de Oliveira	3	3.80%	1	10.00%
Frédéric Weisbecker	2	2.53%	1	10.00%
Greg Kroah-Hartman	1	1.27%	1	10.00%
Total	79		10

// SPDX-License-Identifier: GPL-2.0
/*
 * x86 specific code for irq_work
 *
 * Copyright (C) 2010 Red Hat, Inc., Peter Zijlstra
 */

#include <linux/kernel.h>
#include <linux/irq_work.h>
#include <linux/hardirq.h>
#include <asm/apic.h>
#include <asm/idtentry.h>
#include <asm/trace/irq_vectors.h>
#include <linux/interrupt.h>

#ifdef CONFIG_X86_LOCAL_APIC
DEFINE_IDTENTRY_SYSVEC(sysvec_irq_work)
{
	ack_APIC_irq();
	trace_irq_work_entry(IRQ_WORK_VECTOR);
	inc_irq_stat(apic_irq_work_irqs);
	irq_work_run();
	trace_irq_work_exit(IRQ_WORK_VECTOR);
}

void arch_irq_work_raise(void)
{
	if (!arch_irq_work_has_interrupt())
		return;

	apic->send_IPI_self(IRQ_WORK_VECTOR);
	apic_wait_icr_idle();
}
#endif

irq_work.c