1 files changed, 6 insertions, 3 deletions

diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c
index e49e9e0c69fd..02e45861b55b 100644
--- a/arch/s390/kernel/early.c
+++ b/arch/s390/kernel/early.c
@@ -214,10 +214,13 @@ static __initdata struct sysinfo_3_2_2 vmms __aligned(PAGE_SIZE);
 
 static noinline __init void detect_machine_type(void)
 {
-        /* No VM information? Looks like LPAR */
-        if (stsi(&vmms, 3, 2, 2) == -ENOSYS)
+        /* Check current-configuration-level */
+        if ((stsi(NULL, 0, 0, 0) >> 28) <= 2) {
+                S390_lowcore.machine_flags |= MACHINE_FLAG_LPAR;
                 return;
-        if (!vmms.count)
+        }
+        /* Get virtual-machine cpu information. */
+        if (stsi(&vmms, 3, 2, 2) == -ENOSYS || !vmms.count)
                 return;
 
         /* Running under KVM? If not we assume z/VM */