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-rw-r--r--arch/s390/kernel/topology.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c
index 7370a41948ca..4f8dc942257c 100644
--- a/arch/s390/kernel/topology.c
+++ b/arch/s390/kernel/topology.c
@@ -79,12 +79,12 @@ static struct mask_info *add_cpus_to_mask(struct topology_cpu *tl_cpu,
cpu < TOPOLOGY_CPU_BITS;
cpu = find_next_bit(&tl_cpu->mask[0], TOPOLOGY_CPU_BITS, cpu + 1))
{
- unsigned int rcpu, lcpu;
+ unsigned int rcpu;
+ int lcpu;
rcpu = TOPOLOGY_CPU_BITS - 1 - cpu + tl_cpu->origin;
- for_each_present_cpu(lcpu) {
- if (cpu_logical_map(lcpu) != rcpu)
- continue;
+ lcpu = smp_find_processor_id(rcpu);
+ if (lcpu >= 0) {
cpumask_set_cpu(lcpu, &book->mask);
cpu_book_id[lcpu] = book->id;
cpumask_set_cpu(lcpu, &core->mask);