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-rw-r--r--arch/s390/kernel/topology.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index eb0bc4752ae8..91fb66baa50b 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -351,13 +351,10 @@ static void alloc_masks(struct tl_info *info, struct mask_info *mask, int offset
351 351
352void __init s390_init_cpu_topology(void) 352void __init s390_init_cpu_topology(void)
353{ 353{
354 unsigned long long facility_bits;
355 struct tl_info *info; 354 struct tl_info *info;
356 int i; 355 int i;
357 356
358 if (stfle(&facility_bits, 1) <= 0) 357 if (!test_facility(2) || !test_facility(11))
359 return;
360 if (!(facility_bits & (1ULL << 52)) || !(facility_bits & (1ULL << 61)))
361 return; 358 return;
362 machine_has_topology = 1; 359 machine_has_topology = 1;
363 360