Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:arch\x86\kernel\apic\x2apic_uv_x.c Create Date:2022-07-28 08:33:41
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:Add an extra bit as dictated by bios to the destination apicid of* interrupts potentially passing through the UV HUB. This prevents* a deadlock between interrupts and IO port operations.

Proto:static void __init uv_set_apicid_hibit(void)

Type:void

Parameter:Nothing

252  If WARNING: UVx_HUB_IS_SUPPORTED defines are deprecated and will be removed Then
253  v = uv_early_read_mmr(UV1H_LB_TARGET_PHYSICAL_APIC_ID_MASK )
254  uv_apicid_hibits = RW & UV_APICID_HIBIT_MASK
Caller
NameDescribe
uv_acpi_madt_oem_check