Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\apic\apic.c Create Date:2022-07-28 08:27:01
Last Modify:2020-03-16 21:21:31 Copyright©Brick
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Name:apic_soft_disable - Clears and software disables the local APIC on hotplug* Contrary to disable_local_APIC() this does not touch the enable bit in* MSR_IA32_APICBASE

Proto:void apic_soft_disable(void)

Type:void

Parameter:Nothing

1250  lear_local_APIC - shutdown the local APIC* This is called, when a CPU is disabled and before rebooting, so the state of* the local APIC has no dangling leftovers. Also used to cleanout any BIOS* leftovers during boot.
1253  value = apic_read(APIC_SPIV)
1254  value &= ~APIC_SPIV_APIC_ENABLED
1255  apic_write(APIC_SPIV, value)
Caller
NameDescribe
disable_local_APICdisable_local_APIC - clear and disable the local APIC