Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\vm86_32.c Create Date:2022-07-28 08:41:52
Last Modify:2022-05-22 10:11:03 Copyright©Brick
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Name:irq_handler

Proto:static irqreturn_t irq_handler(int intno, void *dev_id)

Type:irqreturn_t

Parameter:

TypeParameterName
intintno
void *dev_id
779  spin_lock_irqsave( & irqbits_lock, flags)
780  irq_bit = 1 << intno
781  If irqbits & irq_bit || Not tsk Then Go to out
783  irqbits |= irq_bit
784  If sig Then send_sig(sig, tsk, 1)
790  disable_irq_nosync(intno)
791  spin_unlock_irqrestore( & irqbits_lock, flags)
792  Return IRQ_HANDLED
794  out :
795  spin_unlock_irqrestore( & irqbits_lock, flags)
796  Return IRQ_NONE