2 * x86 specific code for irq_work
4 * Copyright (C) 2010 Red Hat, Inc., Peter Zijlstra
7 #include <linux/kernel.h>
8 #include <linux/irq_work.h>
9 #include <linux/hardirq.h>
11 #include <asm/trace/irq_vectors.h>
12 #include <linux/interrupt.h>
14 static inline void __smp_irq_work_interrupt(void)
16 inc_irq_stat(apic_irq_work_irqs);
20 __visible void __irq_entry smp_irq_work_interrupt(struct pt_regs *regs)
22 ipi_entering_ack_irq();
23 __smp_irq_work_interrupt();
27 __visible void __irq_entry smp_trace_irq_work_interrupt(struct pt_regs *regs)
29 ipi_entering_ack_irq();
30 trace_irq_work_entry(IRQ_WORK_VECTOR);
31 __smp_irq_work_interrupt();
32 trace_irq_work_exit(IRQ_WORK_VECTOR);
36 void arch_irq_work_raise(void)
38 #ifdef CONFIG_X86_LOCAL_APIC
39 if (!arch_irq_work_has_interrupt())
42 apic->send_IPI_self(IRQ_WORK_VECTOR);