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Message-Id: <20250505230624.2692522-154-sashal@kernel.org>
Date: Mon, 5 May 2025 19:05:26 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
stable@...r.kernel.org
Cc: Shahar Shitrit <shshitrit@...dia.com>,
Tariq Toukan <tariqt@...dia.com>,
Mateusz Polchlopek <mateusz.polchlopek@...el.com>,
Jakub Kicinski <kuba@...nel.org>,
Sasha Levin <sashal@...nel.org>,
saeedm@...dia.com,
andrew+netdev@...n.ch,
davem@...emloft.net,
edumazet@...gle.com,
pabeni@...hat.com,
netdev@...r.kernel.org,
linux-rdma@...r.kernel.org
Subject: [PATCH AUTOSEL 6.1 154/212] net/mlx5: Apply rate-limiting to high temperature warning
From: Shahar Shitrit <shshitrit@...dia.com>
[ Upstream commit 9dd3d5d258aceb37bdf09c8b91fa448f58ea81f0 ]
Wrap the high temperature warning in a temperature event with
a call to net_ratelimit() to prevent flooding the kernel log
with repeated warning messages when temperature exceeds the
threshold multiple times within a short duration.
Signed-off-by: Shahar Shitrit <shshitrit@...dia.com>
Signed-off-by: Tariq Toukan <tariqt@...dia.com>
Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@...el.com>
Link: https://patch.msgid.link/20250213094641.226501-2-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
drivers/net/ethernet/mellanox/mlx5/core/events.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/events.c b/drivers/net/ethernet/mellanox/mlx5/core/events.c
index 68b92927c74e9..6aa96d33c210b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/events.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/events.c
@@ -169,9 +169,10 @@ static int temp_warn(struct notifier_block *nb, unsigned long type, void *data)
value_lsb &= 0x1;
value_msb = be64_to_cpu(eqe->data.temp_warning.sensor_warning_msb);
- mlx5_core_warn(events->dev,
- "High temperature on sensors with bit set %llx %llx",
- value_msb, value_lsb);
+ if (net_ratelimit())
+ mlx5_core_warn(events->dev,
+ "High temperature on sensors with bit set %llx %llx",
+ value_msb, value_lsb);
return NOTIFY_OK;
}
--
2.39.5
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