diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h
index a0f147893a041..fc25c88c7ff29 100644
--- a/arch/x86/include/asm/mce.h
+++ b/arch/x86/include/asm/mce.h
@@ -177,7 +177,8 @@ enum mce_notifier_prios {
 	MCE_PRIO_EXTLOG,
 	MCE_PRIO_UC,
 	MCE_PRIO_EARLY,
-	MCE_PRIO_CEC
+	MCE_PRIO_CEC,
+	MCE_PRIO_HIGHEST = MCE_PRIO_CEC
 };
 
 struct notifier_block;
diff --git a/arch/x86/kernel/cpu/mce/core.c b/arch/x86/kernel/cpu/mce/core.c
index 32b7099e35111..311688202ea51 100644
--- a/arch/x86/kernel/cpu/mce/core.c
+++ b/arch/x86/kernel/cpu/mce/core.c
@@ -162,7 +162,8 @@ EXPORT_SYMBOL_GPL(mce_log);
 
 void mce_register_decode_chain(struct notifier_block *nb)
 {
-	if (WARN_ON(nb->priority > MCE_PRIO_MCELOG && nb->priority < MCE_PRIO_EDAC))
+	if (WARN_ON(nb->priority < MCE_PRIO_LOWEST ||
+		    nb->priority > MCE_PRIO_HIGHEST))
 		return;
 
 	blocking_notifier_chain_register(&x86_mce_decoder_chain, nb);