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-rw-r--r--arch/s390/kernel/processor.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/s390/kernel/processor.c b/arch/s390/kernel/processor.c
index 39bf777e140e..f36acc8d2631 100644
--- a/arch/s390/kernel/processor.c
+++ b/arch/s390/kernel/processor.c
@@ -188,8 +188,9 @@ static void show_cpu_mhz(struct seq_file *m, unsigned long n)
static int show_cpuinfo(struct seq_file *m, void *v)
{
unsigned long n = (unsigned long) v - 1;
+ unsigned long first = cpumask_first(cpu_online_mask);
- if (!n)
+ if (n == first)
show_cpu_summary(m, v);
if (!machine_has_cpu_mhz)
return 0;
@@ -204,6 +205,8 @@ static inline void *c_update(loff_t *pos)
{
if (*pos)
*pos = cpumask_next(*pos - 1, cpu_online_mask);
+ else
+ *pos = cpumask_first(cpu_online_mask);
return *pos < nr_cpu_ids ? (void *)*pos + 1 : NULL;
}