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 EDC081401C; Tue, 10 Jun 2025 21:40:04 +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=1749591605; cv=none; b=dsoE8qnJtcbKRY2zRiE18qOAs6+lc1BjyrXYw+aekkrpgnKOmqcdC92mMmpJgts/4EI5SaCnTFOkKf/vAFqiGMde9b17i7CiiFhAAMtDslLMJXPYEMOi/Sx/an4RnVZUbNLAK5UQk0FlNu4eI4zp69KHpgPJCI8+4FrP3+wwcWw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749591605; c=relaxed/simple; bh=SInQPZWVlM9qClkL2l+4evH3wQpA7xfOj8AR4ryIGDE=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=vBI5eWrlDOgzNXNyDVKqrlz5xYRwDTKqj0C6h8tbvFoELi2R5XJz9nIjPIXDqGku1v79lM4gHRE0x4w7jKcW1cV8Hv0Rg5GKqZ8KjulHAQGVcka1FG/CLqSqw/a0fzoh+87Aps8Yf5Oj3FPqOKjKUwLMPzV/lJI2BkiqGnNIpbs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HOks81qF; 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="HOks81qF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5EDEDC4CEED; Tue, 10 Jun 2025 21:40:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1749591604; bh=SInQPZWVlM9qClkL2l+4evH3wQpA7xfOj8AR4ryIGDE=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=HOks81qFV1AubezDyY0JRCQQCJw5wvZ+i5xBp66GlwONb8EyPKVF+BWJEjzZqYoJM kJ7UmOPmzwcPKxPWvVLb+t6QepKDJyhUb5m5ky9H2pVTPvmpYaQVNWtOBVfJj8pIFt tepv8s9ejXv+K2hnNDL+iT+I2cqVr03wdj73VAiITruGkqVKtKEkDcNurYGALY4IIu GfuRjp+GUJtuVH3EKHmRttDuNcIvEMjspBQzyWlXmrTmvPRl3P8NKsHdsLTwYlmU/z uE+j07vHg3HVRc5NzpFGvPnEO7ZwloejL68hAyZXWATF/CqLnZsnQA9J+1kMs3WTZi fbNyxHHSFibgg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id EAE2938111E3; Tue, 10 Jun 2025 21:40:35 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next v3 0/4] netconsole: Optimize console registration and improve testing From: patchwork-bot+netdevbpf@kernel.org Message-Id: <174959163475.2619474.7924574005472646166.git-patchwork-notify@kernel.org> Date: Tue, 10 Jun 2025 21:40:34 +0000 References: <20250609-netcons_ext-v3-0-5336fa670326@debian.org> In-Reply-To: <20250609-netcons_ext-v3-0-5336fa670326@debian.org> To: Breno Leitao Cc: andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, tj@kernel.org, akpm@linux-foundation.org, shuah@kernel.org, horms@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, gustavold@gmail.com, usamaarif642@gmail.com, linux-kselftest@vger.kernel.org, kernel-team@meta.com Hello: This series was applied to netdev/net-next.git (main) by Jakub Kicinski : On Mon, 09 Jun 2025 02:46:25 -0700 you wrote: > During performance analysis of console subsystem latency, I discovered that > netconsole registers console handlers even when no active targets exist. > These orphaned console handlers are invoked on every printk() call, get > the lock, iterate through empty target lists, and consume CPU cycles > without performing any useful work. > > This patch series addresses the inefficiency by: > > [...] Here is the summary with links: - [net-next,v3,1/4] netconsole: Only register console drivers when targets are configured https://git.kernel.org/netdev/net-next/c/bc0cb64db1c7 - [net-next,v3,2/4] netconsole: Add automatic console unregistration on target removal https://git.kernel.org/netdev/net-next/c/e99d938f8671 - [net-next,v3,3/4] selftests: netconsole: Do not exit from inside the validation function https://git.kernel.org/netdev/net-next/c/69b25dd20c83 - [net-next,v3,4/4] selftests: netconsole: Add support for basic netconsole target format https://git.kernel.org/netdev/net-next/c/224a6e602fb3 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html