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 85D8282492 for ; Fri, 3 May 2024 22:30:29 +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=1714775429; cv=none; b=aWDZZXK4mDKaTiH0oi+7oEhZR+jpwwQ2VcbpjuvdfeAiYHDFEjao8sFi33F0huH+jiGLxggfXF3dcPWpg8aIG8QTZZC+SyFb2h9MlE+7smMwiAPRKXvKzb6ZAY2/frM7ZS6fLMZXlOZM7dbFCdrjrflhnIJE4RKUy26XFARNaIE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714775429; c=relaxed/simple; bh=61DCARPmnDZoCM/eTUnKz0etgpvl8MO5yvPqNhXqyvc=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=qy8Nf7DPxO5PqMMr3hYJ8uE+a8KFikzPH6BasYLcUZ6wDOCghM7g82rjsWi5ftfooMhcygrBSqBAMUnBSCx4PlVNJU1deNcQTtlSZnfwwELGDHpohazxcOBMcLBZSA7U7um/tBJNn0l2NpNsojNSJYhOO9lLtu7vw7w88Q6TdJI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CUQDGUrp; 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="CUQDGUrp" Received: by smtp.kernel.org (Postfix) with ESMTPS id 12AC1C4AF14; Fri, 3 May 2024 22:30:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1714775429; bh=61DCARPmnDZoCM/eTUnKz0etgpvl8MO5yvPqNhXqyvc=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=CUQDGUrpL6riCQz0iAKroGuFOtwuWtCVoQdLvY4LqO3tryblF188ofoIftefr4h5S THfVTRG/fbDRTJ9pmq/pVgJzBnT+8+2+yEbUbGCu6Jjzd2AqdeDOKDZvtRFJG3g8Y9 Q6YnPwDwnWLecv0qSA3Uc6uCpUv/W/TnCv+DGFjjzjevn4FAmxkAg/qWa+AyZtgLyt id/XY+NvgneJuNyXB/mf9GT6Rs4QUr3pekf8b6Q4HsKoqur5K0yQLLtBguq26KSiY7 V+b9x3jOWuOkuDZrAZGVHsFxBKIyT+tI6f12yVCq9rDauICKfJVdYY4BPWwj/VnwSx cAhDmIvxYHg+Q== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 001D4C43444; Fri, 3 May 2024 22:30:28 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [net,PATCH v3] net: ks8851: Queue RX packets in IRQ handler instead of disabling BHs From: patchwork-bot+netdevbpf@kernel.org Message-Id: <171477542899.22073.9972190380699224946.git-patchwork-notify@kernel.org> Date: Fri, 03 May 2024 22:30:28 +0000 References: <20240502183436.117117-1-marex@denx.de> In-Reply-To: <20240502183436.117117-1-marex@denx.de> To: Marek Vasut Cc: netdev@vger.kernel.org, ronald.wahl@raritan.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Thu, 2 May 2024 20:32:59 +0200 you wrote: > Currently the driver uses local_bh_disable()/local_bh_enable() in its > IRQ handler to avoid triggering net_rx_action() softirq on exit from > netif_rx(). The net_rx_action() could trigger this driver .start_xmit > callback, which is protected by the same lock as the IRQ handler, so > calling the .start_xmit from netif_rx() from the IRQ handler critical > section protected by the lock could lead to an attempt to claim the > already claimed lock, and a hang. > > [...] Here is the summary with links: - [net,v3] net: ks8851: Queue RX packets in IRQ handler instead of disabling BHs https://git.kernel.org/netdev/net/c/e0863634bf9f You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html