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34 lines
701 B
34 lines
701 B
// SPDX-License-Identifier: GPL-2.0 |
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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 |
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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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#include <asm/idtentry.h> |
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#include <asm/trace/irq_vectors.h> |
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#include <linux/interrupt.h> |
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#ifdef CONFIG_X86_LOCAL_APIC |
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DEFINE_IDTENTRY_SYSVEC(sysvec_irq_work) |
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{ |
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ack_APIC_irq(); |
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trace_irq_work_entry(IRQ_WORK_VECTOR); |
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inc_irq_stat(apic_irq_work_irqs); |
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irq_work_run(); |
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trace_irq_work_exit(IRQ_WORK_VECTOR); |
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} |
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void arch_irq_work_raise(void) |
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{ |
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if (!arch_irq_work_has_interrupt()) |
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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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} |
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#endif
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