6.1-stable review patch. If anyone has any objections, please let me know.
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From: Andy Chiu andy.chiu@sifive.com
[ Upstream commit 799a829507506924add8a7620493adc1c3cfda30 ]
softirq may get lost if an Rx interrupt comes before we call napi_enable. Move napi_enable in front of axienet_setoptions(), which turns on the device, to address the issue.
Link: https://lists.gnu.org/archive/html/qemu-devel/2024-07/msg06160.html Fixes: cc37610caaf8 ("net: axienet: implement NAPI and GRO receive") Signed-off-by: Andy Chiu andy.chiu@sifive.com Reviewed-by: Eric Dumazet edumazet@google.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 5ea9dc251dd9a..ff777735be66b 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -1825,9 +1825,9 @@ static void axienet_dma_err_handler(struct work_struct *work) ~(XAE_OPTION_TXEN | XAE_OPTION_RXEN)); axienet_set_mac_address(ndev, NULL); axienet_set_multicast_list(ndev); - axienet_setoptions(ndev, lp->options); napi_enable(&lp->napi_rx); napi_enable(&lp->napi_tx); + axienet_setoptions(ndev, lp->options); }
/**