mirror of https://gitee.com/openkylin/linux.git
31 lines
538 B
C
31 lines
538 B
C
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/*
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* x86 specific code for irq_work
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*
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* Copyright (C) 2010 Red Hat, Inc., Peter Zijlstra <pzijlstr@redhat.com>
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*/
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#include <linux/kernel.h>
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#include <linux/irq_work.h>
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#include <linux/hardirq.h>
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#include <asm/apic.h>
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void smp_irq_work_interrupt(struct pt_regs *regs)
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{
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irq_enter();
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ack_APIC_irq();
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inc_irq_stat(apic_irq_work_irqs);
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irq_work_run();
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irq_exit();
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}
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void arch_irq_work_raise(void)
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{
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#ifdef CONFIG_X86_LOCAL_APIC
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if (!cpu_has_apic)
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return;
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apic->send_IPI_self(IRQ_WORK_VECTOR);
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apic_wait_icr_idle();
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#endif
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}
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