[PATCH v7 01/13] x86/apic: Construct a selector for the interrupt delivery mode

Now, there are many switches in kernel which are used to determine the final interrupt delivery mode, as shown below: 1) kconfig: CONFIG_X86_64; CONFIG_X86_LOCAL_APIC; CONFIG_x86_IO_APIC 2) kernel option: disable_apic; skip_ioapic_setup 3) CPU Capability: boot_cpu_has(X86_FEATURE_APIC) 4) MP

[PATCH v7 01/13] x86/apic: Construct a selector for the interrupt delivery mode

Now, there are many switches in kernel which are used to determine the final interrupt delivery mode, as shown below: 1) kconfig: CONFIG_X86_64; CONFIG_X86_LOCAL_APIC; CONFIG_x86_IO_APIC 2) kernel option: disable_apic; skip_ioapic_setup 3) CPU Capability: boot_cpu_has(X86_FEATURE_APIC) 4) MP