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-rw-r--r--net/core/dev.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 6ca32f6b310..6982bfd6a78 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -134,7 +134,7 @@
134#include <linux/inetdevice.h> 134#include <linux/inetdevice.h>
135#include <linux/cpu_rmap.h> 135#include <linux/cpu_rmap.h>
136#include <linux/net_tstamp.h> 136#include <linux/net_tstamp.h>
137#include <linux/jump_label.h> 137#include <linux/static_key.h>
138#include <net/flow_keys.h> 138#include <net/flow_keys.h>
139 139
140#include "net-sysfs.h" 140#include "net-sysfs.h"
@@ -1441,11 +1441,11 @@ int call_netdevice_notifiers(unsigned long val, struct net_device *dev)
1441} 1441}
1442EXPORT_SYMBOL(call_netdevice_notifiers); 1442EXPORT_SYMBOL(call_netdevice_notifiers);
1443 1443
1444static struct jump_label_key netstamp_needed __read_mostly; 1444static struct static_key netstamp_needed __read_mostly;
1445#ifdef HAVE_JUMP_LABEL 1445#ifdef HAVE_JUMP_LABEL
1446/* We are not allowed to call jump_label_dec() from irq context 1446/* We are not allowed to call static_key_slow_dec() from irq context
1447 * If net_disable_timestamp() is called from irq context, defer the 1447 * If net_disable_timestamp() is called from irq context, defer the
1448 * jump_label_dec() calls. 1448 * static_key_slow_dec() calls.
1449 */ 1449 */
1450static atomic_t netstamp_needed_deferred; 1450static atomic_t netstamp_needed_deferred;
1451#endif 1451#endif
@@ -1457,12 +1457,12 @@ void net_enable_timestamp(void)
1457 1457
1458 if (deferred) { 1458 if (deferred) {
1459 while (--deferred) 1459 while (--deferred)
1460 jump_label_dec(&netstamp_needed); 1460 static_key_slow_dec(&netstamp_needed);
1461 return; 1461 return;
1462 } 1462 }
1463#endif 1463#endif
1464 WARN_ON(in_interrupt()); 1464 WARN_ON(in_interrupt());
1465 jump_label_inc(&netstamp_needed); 1465 static_key_slow_inc(&netstamp_needed);
1466} 1466}
1467EXPORT_SYMBOL(net_enable_timestamp); 1467EXPORT_SYMBOL(net_enable_timestamp);
1468 1468
@@ -1474,19 +1474,19 @@ void net_disable_timestamp(void)
1474 return; 1474 return;
1475 } 1475 }
1476#endif 1476#endif
1477 jump_label_dec(&netstamp_needed); 1477 static_key_slow_dec(&netstamp_needed);
1478} 1478}
1479EXPORT_SYMBOL(net_disable_timestamp); 1479EXPORT_SYMBOL(net_disable_timestamp);
1480 1480
1481static inline void net_timestamp_set(struct sk_buff *skb) 1481static inline void net_timestamp_set(struct sk_buff *skb)
1482{ 1482{
1483 skb->tstamp.tv64 = 0; 1483 skb->tstamp.tv64 = 0;
1484 if (static_branch(&netstamp_needed)) 1484 if (static_key_false(&netstamp_needed))
1485 __net_timestamp(skb); 1485 __net_timestamp(skb);
1486} 1486}
1487 1487
1488#define net_timestamp_check(COND, SKB) \ 1488#define net_timestamp_check(COND, SKB) \
1489 if (static_branch(&netstamp_needed)) { \ 1489 if (static_key_false(&netstamp_needed)) { \
1490 if ((COND) && !(SKB)->tstamp.tv64) \ 1490 if ((COND) && !(SKB)->tstamp.tv64) \
1491 __net_timestamp(SKB); \ 1491 __net_timestamp(SKB); \
1492 } \ 1492 } \
@@ -2660,7 +2660,7 @@ EXPORT_SYMBOL(__skb_get_rxhash);
2660struct rps_sock_flow_table __rcu *rps_sock_flow_table __read_mostly; 2660struct rps_sock_flow_table __rcu *rps_sock_flow_table __read_mostly;
2661EXPORT_SYMBOL(rps_sock_flow_table); 2661EXPORT_SYMBOL(rps_sock_flow_table);
2662 2662
2663struct jump_label_key rps_needed __read_mostly; 2663struct static_key rps_needed __read_mostly;
2664 2664
2665static struct rps_dev_flow * 2665static struct rps_dev_flow *
2666set_rps_cpu(struct net_device *dev, struct sk_buff *skb, 2666set_rps_cpu(struct net_device *dev, struct sk_buff *skb,
@@ -2945,7 +2945,7 @@ int netif_rx(struct sk_buff *skb)
2945 2945
2946 trace_netif_rx(skb); 2946 trace_netif_rx(skb);
2947#ifdef CONFIG_RPS 2947#ifdef CONFIG_RPS
2948 if (static_branch(&rps_needed)) { 2948 if (static_key_false(&rps_needed)) {
2949 struct rps_dev_flow voidflow, *rflow = &voidflow; 2949 struct rps_dev_flow voidflow, *rflow = &voidflow;
2950 int cpu; 2950 int cpu;
2951 2951
@@ -3309,7 +3309,7 @@ int netif_receive_skb(struct sk_buff *skb)
3309 return NET_RX_SUCCESS; 3309 return NET_RX_SUCCESS;
3310 3310
3311#ifdef CONFIG_RPS 3311#ifdef CONFIG_RPS
3312 if (static_branch(&rps_needed)) { 3312 if (static_key_false(&rps_needed)) {
3313 struct rps_dev_flow voidflow, *rflow = &voidflow; 3313 struct rps_dev_flow voidflow, *rflow = &voidflow;
3314 int cpu, ret; 3314 int cpu, ret;
3315 3315