kernelversion:
stable - 6.2.8
mainline - 5.4.238
mainline - 5.15.104
mainline - 4.14.311
mainline - 4.19.279
mainline - 6.1.21
mainline - 5.10.176
mainline - 6.3-rc4
6.0-rc7
[click here for custom version]
architecture:
>
x86
arm
arm64
powerpc
mips
sparc
ia64
arc
riscv
nds32
m68k
microblaze
alpha
unicore32
parisc
blackfin
CONFIG_IRQ_REMAP is not available for the default architecture x86.
Result is shown for architecture 64BIT
selects
CONFIG_DMAR_TABLE
depends
CONFIG_ACPI
CONFIG_IOMMU_SUPPORT
CONFIG_PCI_MSI
CONFIG_X86_64
CONFIG_X86_IO_APIC
Support for Interrupt Remapping
modulename: irq_remapping.ko
configname: CONFIG_IRQ_REMAP
Linux Kernel Configuration
└─> Device Drivers
└─> IOMMU Hardware Support
└─> Support for Interrupt Remapping
Supports Interrupt remapping for IO-APIC and MSI devices.
To use x2apic mode in the CPU's which support x2APIC enhancements or
to support platforms with CPU's having > 8 bit APIC ID, say Y.
source code:
drivers/iommu/intel//irq_remapping.c
To use x2apic mode in the CPU's which support x2APIC enhancements or
to support platforms with CPU's having > 8 bit APIC ID, say Y.