x86/apic: Fix 32-bit APIC initialization for extended Intel Families

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 <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Acked-by: Dave Hansen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: sohilmeh

arch/x86/kernel/apic/apic.c

@@ -2011,8 +2011,8 @@ 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: