diff options
Diffstat (limited to 'arch/s390/kernel/early.c')
| -rw-r--r-- | arch/s390/kernel/early.c | 9 |
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 */ |