APIC detection is currently limited to a few specific Families and will not match the upcoming Families >=18. Extend the check to include all Families 6 or greater. Also convert it to a VFM check to make it simpler. Signed-off-by: Sohil Mehta <sohil.mehta@xxxxxxxxx> Acked-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> --- v2: Update commit message to make it more precise --- arch/x86/kernel/apic/apic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index e893dc6f11c1..4d99bd65faf5 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -2014,8 +2014,8 @@ static bool __init detect_init_APIC(void) case X86_VENDOR_HYGON: break; case X86_VENDOR_INTEL: - if (boot_cpu_data.x86 == 6 || boot_cpu_data.x86 == 15 || - (boot_cpu_data.x86 == 5 && boot_cpu_has(X86_FEATURE_APIC))) + if ((boot_cpu_data.x86 == 5 && boot_cpu_has(X86_FEATURE_APIC)) || + boot_cpu_data.x86_vfm >= INTEL_PENTIUM_PRO) break; goto no_apic; default: -- 2.43.0