From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 16BD828A70F; Mon, 5 May 2025 23:16:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746487021; cv=none; b=mFvvj+OThNo3/epUWtcfpPHkDv9reGUh5slOpTJMmHKZ4+y3KIeGo2nY7L8AtKKpiFMHLv7Hd8TIxVeopSOYzQb10rEkNNlj8UxAgbp4F6/Nj4PPxBZBeRcHC2xPnRs/7jp1EP9FPdNGszQsy28YOpi4Fbf1JqT71qbLDf/gQwI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746487021; c=relaxed/simple; bh=ib1Vrhx+ahc+Vj+0Ro997g+1+fNzOjfu6r3NEqs8MS8=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=ozm2NAbmzz51SvCYXxMEj8kZSXGPD7XL7Nv55M+Gtxyd6wVSu80pCtVeyeGYf912kO2JZ2hXXzwmk6WjgiIP0LpmlDdibbOFjUohzkcL7tSA1gI964JZCVaeyIzhRsuAXDUcdXpHu5TD3qeM/THL7+wcDFi6FRERmXL7b+l6mYo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eDOpt8zo; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="eDOpt8zo" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2269BC4CEEF; Mon, 5 May 2025 23:16:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746487019; bh=ib1Vrhx+ahc+Vj+0Ro997g+1+fNzOjfu6r3NEqs8MS8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eDOpt8zoJA7nYIpA1Bu17Pr41oxLD+KDp9X7yVEELPd+h9aiBB/odBHZdjx9tkLPY fgyXcUGO7wQVptLG4t5WitZE3yqfOy5e/6E8mflM008nuFfEd9FBME2AhTKjPK7Sp1 56Ve0bcyY+WtcIiQuKpKQsU1caL00EwvXNPfk5moeuGis6rSy0DyDvAH4feFixVpL6 LEfDQUnwG4nk7pf0cpteIopcX5q/CXYhNcWwKSomIT44LKpS982CNntX7TrN6JSxhm /W9Lpv7OeBunuwnlTSRh4bEfct7Incwvu6YkOdTeztiqyyCIOGcn3uS1eR1gVwR2tV 1q8OsmTzFqwgA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Shahar Shitrit , Tariq Toukan , Mateusz Polchlopek , Jakub Kicinski , Sasha Levin , saeedm@nvidia.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, netdev@vger.kernel.org, linux-rdma@vger.kernel.org Subject: [PATCH AUTOSEL 5.15 111/153] net/mlx5: Apply rate-limiting to high temperature warning Date: Mon, 5 May 2025 19:12:38 -0400 Message-Id: <20250505231320.2695319-111-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250505231320.2695319-1-sashal@kernel.org> References: <20250505231320.2695319-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.15.181 Content-Transfer-Encoding: 8bit From: Shahar Shitrit [ 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 Signed-off-by: Tariq Toukan Reviewed-by: Mateusz Polchlopek Link: https://patch.msgid.link/20250213094641.226501-2-tariqt@nvidia.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- 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 080aee3e3f9bb..15d90d68b1ffd 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/events.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/events.c @@ -166,9 +166,10 @@ 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