Re: [PATCH net-next 2/2] net: stmmac: fix number of tx queues in stmmac_poll
From: Corentin Labbe <clabbe.montjoie@gmail.com>
Date: 2017-03-25 07:26:28
On Fri, Mar 24, 2017 at 05:16:45PM +0000, Joao Pinto wrote:
quoted hunk ↗ jump to hunk
For cores that have more than 1 TX queue configured, the kernel would crash, since only one TX queue is permitted by default. Signed-off-by: Joao Pinto <redacted> --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 3827952..1eab084 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c@@ -3429,7 +3429,7 @@ static int stmmac_poll(struct napi_struct *napi, int budget) struct stmmac_rx_queue *rx_q = container_of(napi, struct stmmac_rx_queue, napi); struct stmmac_priv *priv = rx_q->priv_data; - u32 tx_count = priv->dma_cap.number_tx_queues; + u32 tx_count = priv->plat->tx_queues_to_use; u32 chan = rx_q->queue_index; u32 work_done = 0; u32 queue = 0;-- 2.9.3
This patch fix the performance issue on dwmac-sun8i only. The dwmac-sunxi is still broken.