Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\apic\io_apic.c Create Date:2022-07-28 08:30:15
Last Modify:2020-03-16 21:24:45 Copyright©Brick
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Name:ioapic_configure_entry

Proto:static void ioapic_configure_entry(struct irq_data *irqd)

Type:void

Parameter:

TypeParameterName
struct irq_data *irqd
1867  mpd = chip_data
1868  cfg = irqd_cfg(irqd)
1876  If chip == ioapic_chip Then
1877  dest = dest_apicid
1878  vector = vector
1880  for_each_irq_pin(entry, irq_2_pin)
1881  When we write a new IO APIC routing entry, we need to write the high* word first! If the mask bit in the low word is clear, we will enable* the interrupt, and we need to make sure the entry is fully populated* before that happens.
Caller
NameDescribe
ioapic_set_affinity
mp_irqdomain_activate