From patchwork series 431867

https://patchwork.ozlabs.org//project/linuxppc-dev/list/?series=431867

arch/powerpc/kernel/setup_64.c

@@ -920,6 +920,7 @@ static int __init disable_hardlockup_detector(void)
 	hardlockup_detector_disable();
 #else
 	if (firmware_has_feature(FW_FEATURE_LPAR)) {
+		check_kvm_guest();
 		if (is_kvm_guest())
 			hardlockup_detector_disable();
 	}