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 08:29:22
Last Modify:2020-03-16 21:24:45 Copyright©Brick
home page Tree
Annotation kernel can get tool activityDownload SCCTChinese

Name:ioapic_read_entry

Proto:static struct IO_APIC_route_entry ioapic_read_entry(int apic, int pin)

Type:struct IO_APIC_route_entry

Parameter:

TypeParameterName
intapic
intpin
322  raw_spin_lock_irqsave( & ioapic_lock, flags)
323  entry = __ioapic_read_entry(apic, pin)
324  raw_spin_unlock_irqrestore( & ioapic_lock, flags)
326  Return entry
Caller
NameDescribe
clear_IO_APIC_pin
save_ioapic_entriesSaves all the IO-APIC RTE's
io_apic_print_entries
enable_IO_APIC
unlock_ExtINT_logicThis looks a bit hackish but it's about the only one way of sending* a few INTA cycles to 8259As and any associated glue logic