31 строка
538 B
C
31 строка
538 B
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
|
||
|
}
|