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path: root/drivers/net/wireguard/queueing.h
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Diffstat (limited to 'drivers/net/wireguard/queueing.h')
-rw-r--r--drivers/net/wireguard/queueing.h13
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/net/wireguard/queueing.h b/drivers/net/wireguard/queueing.h
index 7eb76724b3ed..56314f98b6ba 100644
--- a/drivers/net/wireguard/queueing.h
+++ b/drivers/net/wireguard/queueing.h
@@ -104,16 +104,11 @@ static inline void wg_reset_packet(struct sk_buff *skb, bool encapsulating)
static inline int wg_cpumask_choose_online(int *stored_cpu, unsigned int id)
{
- unsigned int cpu = *stored_cpu, cpu_index, i;
+ unsigned int cpu = *stored_cpu;
+
+ if (unlikely(cpu >= nr_cpu_ids || !cpu_online(cpu)))
+ cpu = *stored_cpu = cpumask_nth(id % num_online_cpus(), cpu_online_mask);
- if (unlikely(cpu >= nr_cpu_ids ||
- !cpumask_test_cpu(cpu, cpu_online_mask))) {
- cpu_index = id % cpumask_weight(cpu_online_mask);
- cpu = cpumask_first(cpu_online_mask);
- for (i = 0; i < cpu_index; ++i)
- cpu = cpumask_next(cpu, cpu_online_mask);
- *stored_cpu = cpu;
- }
return cpu;
}