blob: 129b8bb73de21c9d7f4c2139690bb9e27ac09c03 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
/*
* 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();
}
#ifndef CONFIG_PREEMPT_RT_FULL
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
}
#endif
|