[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / x86 / kernel / irq_work.c

/*
 * x86 specific code for irq_work
 *
 * Copyright (C) 2010 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com>
 */

#include <linux/kernel.h>
#include <linux/irq_work.h>
#include <linux/hardirq.h>
#include <asm/apic.h>

void smp_irq_work_interrupt(struct pt_regs *regs)
{
	irq_enter();
	ack_APIC_irq();
	inc_irq_stat(apic_irq_work_irqs);
	irq_work_run();
	irq_exit();
}

void arch_irq_work_raise(void)
{
#ifdef CONFIG_X86_LOCAL_APIC
	if (!cpu_has_apic)
		return;

	apic->send_IPI_self(IRQ_WORK_VECTOR);
	apic_wait_icr_idle();
#endif
}
Commit	Line	Data
e360adbe PZ	1	/*
	2	* x86 specific code for irq_work
	3	*
	4	* Copyright (C) 2010 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com>
	5	*/
	6
	7	#include <linux/kernel.h>
	8	#include <linux/irq_work.h>
	9	#include <linux/hardirq.h>
	10	#include <asm/apic.h>
	11
	12	void smp_irq_work_interrupt(struct pt_regs *regs)
	13	{
	14	irq_enter();
	15	ack_APIC_irq();
	16	inc_irq_stat(apic_irq_work_irqs);
	17	irq_work_run();
	18	irq_exit();
	19	}
	20
	21	void arch_irq_work_raise(void)
	22	{
	23	#ifdef CONFIG_X86_LOCAL_APIC
	24	if (!cpu_has_apic)
	25	return;
	26
	27	apic->send_IPI_self(IRQ_WORK_VECTOR);
	28	apic_wait_icr_idle();
	29	#endif
	30	}