1 files changed, 5 insertions, 2 deletions

diff --git a/arch/s390/kernel/cache.c b/arch/s390/kernel/cache.c
index fe21f074cf9f..632fa06ea162 100644
--- a/arch/s390/kernel/cache.c
+++ b/arch/s390/kernel/cache.c
@@ -66,10 +66,12 @@ static const enum cache_type cache_type_map[] = {
 
 void show_cacheinfo(struct seq_file *m)
 {
-        int cpu = smp_processor_id(), idx;
-        struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
+        struct cpu_cacheinfo *this_cpu_ci;
         struct cacheinfo *cache;
+        int idx;
 
+        get_online_cpus();
+        this_cpu_ci = get_cpu_cacheinfo(cpumask_any(cpu_online_mask));
         for (idx = 0; idx < this_cpu_ci->num_leaves; idx++) {
                 cache = this_cpu_ci->info_list + idx;
                 seq_printf(m, "cache%-11d: ", idx);
@@ -82,6 +84,7 @@ void show_cacheinfo(struct seq_file *m)
                 seq_printf(m, "associativity=%d", cache->ways_of_associativity);
                 seq_puts(m, "\n");
         }
+        put_online_cpus();
 }
 
 static inline enum cache_type get_cache_type(struct cache_info *ci, int level)