From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c | 16 +++++++++-------
1 files changed, 9 insertions(+), 7 deletions(-)
diff --git a/kernel/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c b/kernel/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
index d586867..53ac238 100644
--- a/kernel/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
+++ b/kernel/drivers/net/ethernet/mellanox/mlx5/core/en_txrx.c
@@ -137,20 +137,22 @@
for (i = 0; i < c->num_tc; i++)
busy |= mlx5e_poll_tx_cq(&c->sq[i].cq, budget);
+ /* budget=0 means we may be in IRQ context, do as little as possible */
+ if (unlikely(!budget))
+ goto out;
+
busy |= mlx5e_poll_xdpsq_cq(&c->xdpsq.cq);
if (c->xdp)
busy |= mlx5e_poll_xdpsq_cq(&c->rq_xdpsq.cq);
- if (likely(budget)) { /* budget=0 means: don't poll rx rings */
- if (xsk_open)
- work_done = mlx5e_poll_rx_cq(&xskrq->cq, budget);
+ if (xsk_open)
+ work_done = mlx5e_poll_rx_cq(&xskrq->cq, budget);
- if (likely(budget - work_done))
- work_done += mlx5e_poll_rx_cq(&rq->cq, budget - work_done);
+ if (likely(budget - work_done))
+ work_done += mlx5e_poll_rx_cq(&rq->cq, budget - work_done);
- busy |= work_done == budget;
- }
+ busy |= work_done == budget;
mlx5e_poll_ico_cq(&c->icosq.cq);
if (mlx5e_poll_ico_cq(&c->async_icosq.cq))
--
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