Change comments incorrectly mentioning dev_base_lock.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Context: process
ndo_get_stats:
- Synchronization: rtnl_lock() semaphore, dev_base_lock rwlock, or RCU.
- Context: atomic (can't sleep under rwlock or RCU)
+ Synchronization: rtnl_lock() semaphore, or RCU.
+ Context: atomic (can't sleep under RCU)
ndo_start_xmit:
Synchronization: __netif_tx_lock spinlock.
return NETDEV_TX_OK;
}
-/* dev_base_lock rwlock held, nominally process context */
+/* rcu_read_lock potentially held, nominally process context */
static void enic_get_stats(struct net_device *netdev,
struct rtnl_link_stats64 *net_stats)
{
/*
* nv_get_stats64: dev->ndo_get_stats64 function
* Get latest stats value from the nic.
- * Called with read_lock(&dev_base_lock) held for read -
+ * Called with rcu_read_lock() held -
* only synchronized against unregister_netdevice.
*/
static void
/*
* nv_change_mtu: dev->change_mtu function
- * Called with dev_base_lock held for read.
+ * Called with RTNL held for read.
*/
static int nv_change_mtu(struct net_device *dev, int new_mtu)
{
efx_stop_datapath(efx);
}
-/* Context: process, dev_base_lock or RTNL held, non-blocking. */
+/* Context: process, rcu_read_lock or RTNL held, non-blocking. */
void efx_net_stats(struct net_device *net_dev, struct rtnl_link_stats64 *stats)
{
struct efx_nic *efx = efx_netdev_priv(net_dev);
return 0;
}
-/* Context: process, dev_base_lock or RTNL held, non-blocking. */
+/* Context: process, rcu_read_lock or RTNL held, non-blocking. */
static void ef4_net_stats(struct net_device *net_dev,
struct rtnl_link_stats64 *stats)
{
return efx->type->update_stats(efx, full_stats, core_stats);
}
-/* Context: process, dev_base_lock or RTNL held, non-blocking. */
+/* Context: process, rcu_read_lock or RTNL held, non-blocking. */
void efx_siena_net_stats(struct net_device *net_dev,
struct rtnl_link_stats64 *stats)
{