This is a note to let you know that I've just added the patch titled gve: Recording rx queue before sending to napi to the 5.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: gve-recording-rx-queue-before-sending-to-napi.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 9057e49e9e9d3caf90620f83692593748922b325 Author: Tao Liu <xliutaox@xxxxxxxxxx> Date: Mon Feb 7 09:59:01 2022 -0800 gve: Recording rx queue before sending to napi [ Upstream commit 084cbb2ec3af2d23be9de65fcc9493e21e265859 ] This caused a significant performance degredation when using generic XDP with multiple queues. Fixes: f5cedc84a30d2 ("gve: Add transmit and receive support") Signed-off-by: Tao Liu <xliutaox@xxxxxxxxxx> Link: https://lore.kernel.org/r/20220207175901.2486596-1-jeroendb@xxxxxxxxxx Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/ethernet/google/gve/gve_rx.c b/drivers/net/ethernet/google/gve/gve_rx.c index 629d8ed08fc61..97431969a488f 100644 --- a/drivers/net/ethernet/google/gve/gve_rx.c +++ b/drivers/net/ethernet/google/gve/gve_rx.c @@ -450,6 +450,7 @@ static bool gve_rx(struct gve_rx_ring *rx, struct gve_rx_desc *rx_desc, skb_set_hash(skb, be32_to_cpu(rx_desc->rss_hash), gve_rss_type(rx_desc->flags_seq)); + skb_record_rx_queue(skb, rx->q_num); if (skb_is_nonlinear(skb)) napi_gro_frags(napi); else