Commit | Line | Data |
---|---|---|
b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
e360adbe PZ |
2 | /* |
3 | * x86 specific code for irq_work | |
4 | * | |
90eec103 | 5 | * Copyright (C) 2010 Red Hat, Inc., Peter Zijlstra |
e360adbe PZ |
6 | */ |
7 | ||
8 | #include <linux/kernel.h> | |
9 | #include <linux/irq_work.h> | |
10 | #include <linux/hardirq.h> | |
11 | #include <asm/apic.h> | |
cf910e83 | 12 | #include <asm/trace/irq_vectors.h> |
c4158ff5 | 13 | #include <linux/interrupt.h> |
e360adbe | 14 | |
a45525b5 | 15 | #ifdef CONFIG_X86_LOCAL_APIC |
c4158ff5 | 16 | __visible void __irq_entry smp_irq_work_interrupt(struct pt_regs *regs) |
cf910e83 | 17 | { |
6dc17876 | 18 | ipi_entering_ack_irq(); |
cf910e83 | 19 | trace_irq_work_entry(IRQ_WORK_VECTOR); |
daabb8eb TG |
20 | inc_irq_stat(apic_irq_work_irqs); |
21 | irq_work_run(); | |
cf910e83 SA |
22 | trace_irq_work_exit(IRQ_WORK_VECTOR); |
23 | exiting_irq(); | |
24 | } | |
25 | ||
e360adbe PZ |
26 | void arch_irq_work_raise(void) |
27 | { | |
3010279f | 28 | if (!arch_irq_work_has_interrupt()) |
e360adbe PZ |
29 | return; |
30 | ||
31 | apic->send_IPI_self(IRQ_WORK_VECTOR); | |
32 | apic_wait_icr_idle(); | |
e360adbe | 33 | } |
a45525b5 | 34 | #endif |