diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c
index 7fcb88623081..9acaa0f131b9 100644
--- a/arch/powerpc/platforms/powernv/setup.c
+++ b/arch/powerpc/platforms/powernv/setup.c
@@ -130,6 +130,28 @@ static void pnv_setup_rfi_flush(void)
 	setup_count_cache_flush();
 }
 
+static void __init pnv_check_guarded_cores(void)
+{
+	struct device_node *dn;
+	int bad_count = 0;
+
+	for_each_node_by_type(dn, "cpu") {
+		if (of_property_match_string(dn, "status", "bad") >= 0)
+			bad_count++;
+	};
+
+	if (bad_count) {
+		printk("  _     _______________\n");
+		pr_cont(" | |   /               \\\n");
+		pr_cont(" | |   |    WARNING!   |\n");
+		pr_cont(" | |   |               |\n");
+		pr_cont(" | |   | It looks like |\n");
+		pr_cont(" |_|   |  you have %*d |\n", 3, bad_count);
+		pr_cont("  _    | guarded cores |\n");
+		pr_cont(" (_)   \\_______________/\n");
+	}
+}
+
 static void __init pnv_setup_arch(void)
 {
 	set_arch_panic_timeout(10, ARCH_PANIC_TIMEOUT);
@@ -150,6 +172,8 @@ static void __init pnv_setup_arch(void)
 	/* Enable NAP mode */
 	powersave_nap = 1;
 
+	pnv_check_guarded_cores();
+
 	/* XXX PMCS */
 }