diff --git a/arch/x86/include/asm/intel-family.h b/arch/x86/include/asm/intel-family.h
index cbaf174d8efd9e73ff8b187cfe338fa6cc1b5b41..b3af2d45bbbb58424e2d34b3887d836470d80d21 100644
--- a/arch/x86/include/asm/intel-family.h
+++ b/arch/x86/include/asm/intel-family.h
@@ -125,6 +125,8 @@
 
 #define INTEL_FAM6_LUNARLAKE_M		0xBD
 
+#define INTEL_FAM6_ARROWLAKE		0xC6
+
 /* "Small Core" Processors (Atom/E-Core) */
 
 #define INTEL_FAM6_ATOM_BONNELL		0x1C /* Diamondville, Pineview */
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 1c38174b5f0197355a96135b03858d6bebe3e84a..0dac4ab5b55baeac5d3f29d7e9727d1a30d844f7 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -146,7 +146,11 @@ static int __init acpi_parse_madt(struct acpi_table_header *table)
 
 		pr_debug("Local APIC address 0x%08x\n", madt->address);
 	}
-	if (madt->header.revision >= 5)
+
+	/* ACPI 6.3 and newer support the online capable bit. */
+	if (acpi_gbl_FADT.header.revision > 6 ||
+	    (acpi_gbl_FADT.header.revision == 6 &&
+	     acpi_gbl_FADT.minor_revision >= 3))
 		acpi_support_online_capable = true;
 
 	default_acpi_madt_oem_check(madt->header.oem_id,
@@ -193,7 +197,8 @@ static bool __init acpi_is_processor_usable(u32 lapic_flags)
 	if (lapic_flags & ACPI_MADT_ENABLED)
 		return true;
 
-	if (acpi_support_online_capable && (lapic_flags & ACPI_MADT_ONLINE_CAPABLE))
+	if (!acpi_support_online_capable ||
+	    (lapic_flags & ACPI_MADT_ONLINE_CAPABLE))
 		return true;
 
 	return false;