set_irq_msi 2577 arch/x86/kernel/io_apic_32.c set_irq_msi(irq, desc); set_irq_msi 2526 arch/x86/kernel/io_apic_64.c set_irq_msi(irq, desc); set_irq_msi 375 include/linux/irq.h extern int set_irq_msi(unsigned int irq, struct msi_desc *entry);