5.4-stable review patch. If anyone has any objections, please let me know.
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From: Shahar Shitrit shshitrit@nvidia.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@nvidia.com Signed-off-by: Tariq Toukan tariqt@nvidia.com Reviewed-by: Mateusz Polchlopek mateusz.polchlopek@intel.com Link: https://patch.msgid.link/20250213094641.226501-2-tariqt@nvidia.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.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 9d7b0a4cc48a9..5e8db7a6185a4 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/events.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/events.c @@ -162,9 +162,10 @@ 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; }