Messages in this thread | | | From | "Elliott, Robert (Servers)" <> | Subject | RE: [PATCH v2 01/10] x86/Kconfig: enable X86_X2APIC by default and improve help text | Date | Thu, 27 Oct 2022 14:45:54 +0000 |
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> As many current platforms (most modern Intel CPUs and QEMU) have x2APIC > present, enable CONFIG_X86_X2APIC by default as it gives performance > and functionality benefits. Additionally, if the BIOS has already > switched APIC to x2APIC mode, but CONFIG_X86_X2APIC is disabled, the > kernel will panic in arch/x86/kernel/apic/apic.c . > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > @@ -440,15 +440,27 @@ config X86_FEATURE_NAMES > If in doubt, say Y. > > config X86_X2APIC > - bool "Support x2apic" > + bool "x2APIC interrupt controller architecture support" > depends on X86_LOCAL_APIC && X86_64 && (IRQ_REMAP || > HYPERVISOR_GUEST) > + default y
Could this option be added to arch/x86/configs/x86_64_defconfig
so defconfig builds don't crash on current platforms?
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