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-rw-r--r--drivers/net/tun.c4
-rw-r--r--net/core/dev.c1
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 42992dcbdda8..425e983bab93 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -833,7 +833,8 @@ static netdev_tx_t tun_net_xmit(struct sk_buff *skb, struct net_device *dev)
if (txq >= numqueues)
goto drop;
- if (numqueues == 1) {
+#ifdef CONFIG_RPS
+ if (numqueues == 1 && static_key_false(&rps_needed)) {
/* Select queue was not called for the skbuff, so we extract the
* RPS hash and save it into the flow_table here.
*/
@@ -848,6 +849,7 @@ static netdev_tx_t tun_net_xmit(struct sk_buff *skb, struct net_device *dev)
tun_flow_save_rps_rxhash(e, rxhash);
}
}
+#endif
tun_debug(KERN_INFO, tun, "tun_net_xmit %d\n", skb->len);
diff --git a/net/core/dev.c b/net/core/dev.c
index e96a3bc2c634..c2f3d5dbde56 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3469,6 +3469,7 @@ u32 rps_cpu_mask __read_mostly;
EXPORT_SYMBOL(rps_cpu_mask);
struct static_key rps_needed __read_mostly;
+EXPORT_SYMBOL(rps_needed);
static struct rps_dev_flow *
set_rps_cpu(struct net_device *dev, struct sk_buff *skb,