Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\irq\manage.c Create Date:2022-07-28 10:10:01
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:free_nmi

Proto:const void *free_nmi(unsigned int irq, void *dev_id)

Type:void

Parameter:

TypeParameterName
unsigned intirq
void *dev_id
1894  desc = Interrupt to descriptor
1898  If Not desc || WARN_ON(!(istate & IRQS_NMI)) Then Return NULL
1901  If WARN_ON(irq_settings_is_per_cpu_devid(desc)) Then Return NULL
1905  If WARN_ON( nested irq disables == 0) Then disable_nmi_nosync - disable an nmi without waiting*@irq: Interrupt to disable* Disable the selected interrupt line
1908  raw_spin_lock_irqsave( & lock, flags)
1910  irq_nmi_teardown(desc)
1911  devname = This function must be called with desc->lock held
1913  raw_spin_unlock_irqrestore( & lock, flags)
1915  Return devname