sfc: When waking a stopped tx_queue, only lock that tx_queue (4f3907e9) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/net/sfc/tx.c

+6 −2

Original line number	Diff line number	Diff line
		@@ -401,6 +401,7 @@ void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index)
		{
		unsigned fill_level;
		struct efx_nic *efx = tx_queue->efx;
		struct netdev_queue *queue;

		EFX_BUG_ON_PARANOID(index > tx_queue->ptr_mask);

		@@ -417,12 +418,15 @@ void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index)

		/* Do this under netif_tx_lock(), to avoid racing
		* with efx_xmit(). */
		netif_tx_lock(efx->net_dev);
		queue = netdev_get_tx_queue(
		efx->net_dev,
		tx_queue->queue / EFX_TXQ_TYPES);
		__netif_tx_lock(queue, smp_processor_id());
		if (tx_queue->stopped) {
		tx_queue->stopped = 0;
		efx_wake_queue(tx_queue->channel);
		}
		netif_tx_unlock(efx->net_dev);
		__netif_tx_unlock(queue);
		}
		}
		}