From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 83E082222CC for ; Tue, 8 Jul 2025 10:03:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751969016; cv=none; b=ouTK/1fl+Fniksnwu8PjUdUOQytjmwBtGe1OGY7hD96ue+FkfKQPeCdjrZ43jIPO+/E99KVcuej7UzsMm3uZFqSFSxIvfw5fruxfUeMFFciJxSJbA75MjQkrCl9Nq9H9jvhVG60GQ8LZ80xFKPvXvRlF5h+dInOSMpb32tADZGY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751969016; c=relaxed/simple; bh=J8x/CPUWA0HL/cid4XRRf2yJGc3d9K5BSR2KvtLBWhc=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ujLOCR7fngq8gRx+4FkbmgiHZi8vqX1LCm5Pospsrexo8y+Gi8egzkI8OPivwvp+R5T4VTDLFmqQgII2Vd2Zsz2LzMk0dxayNwulCFkYfrPoJHPLys033j0JiduRZTG17N9hLjdmHVX+iq3UQN5elBggANV3rE0zoqBBYHnsmNU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=V6LkYvGT; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="V6LkYvGT" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1751969013; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5YHab4xqAP2Akdg2G04m0t1Le3rHcVZpLaQPZJUOZ1g=; b=V6LkYvGTE6pn07RAvUL5Fx1HtVgO77Fgo8kv8Rm78GVrhQ1PwpBMKi7zNb+f6d+Q4WXarM 01re35gRccT+vnASoZrum+Hqtbxd8pVS7yDNXvU3HRj8DEYah9Zi87uMc9mJ28wfFpvYTx loza9DCppkRwI43MvZze3S/NhmdQXco= Received: from mail-wr1-f72.google.com (mail-wr1-f72.google.com [209.85.221.72]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-372-5gHXo-u6OROyVN_alddfBw-1; Tue, 08 Jul 2025 06:03:32 -0400 X-MC-Unique: 5gHXo-u6OROyVN_alddfBw-1 X-Mimecast-MFC-AGG-ID: 5gHXo-u6OROyVN_alddfBw_1751969011 Received: by mail-wr1-f72.google.com with SMTP id ffacd0b85a97d-3a6d90929d6so1775149f8f.2 for ; Tue, 08 Jul 2025 03:03:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751969011; x=1752573811; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=5YHab4xqAP2Akdg2G04m0t1Le3rHcVZpLaQPZJUOZ1g=; b=pGJHJ45yffXpXPmptKRs6ZMwpcfCknRtK55u6DDqGvtnoMn6/OpCqlT1xXG8VCZQf1 bFR53bFkBv7k/h8FTAVsFGFJc9YtiE5XTAmQlYq/cnANpBRmw8YJUftBiT5k0ChYuXkJ /LNm7541l7miZcYgx53UawFdc+XMPBRd8j0L+YK9qO2WB4NkifC9cZRmHAzZzyedkfyb KjtwFC8cZ2gNL4KptGaTr0ggSGdHMoaLiDhIVSP0i/lpOi1RBEyJ5ALc4H3xMMg9fcGR i7hWi1LiEd+nerkP529n38F5/Qx8Hv01NXn3+19C/RcoMfdD0YmyHeCUqnT/O2eRKuew YZTA== X-Forwarded-Encrypted: i=1; AJvYcCUiQOzZ5RG+yBN8FUOvHY8M08gwotoWeo2+fkzJs9W5aR8S4MZbA5WvFnpdI214c1N8+xf4ajKEIsDe@vger.kernel.org X-Gm-Message-State: AOJu0Yxzfd/un8ymZvaMZCQ2hKz/H8UC+mxgrsWhUGhax+CSnyyxmwsB g7nspzW9kKW/7ryrPSIue/vOd2fUdoILHI04gQpY/IpGkg7tlGLzyBWetYgJBrlVwARVKVPZUQ0 WzZRmXTtf5uVbpKFhMIdoSiB6/0WvwTugFsKVpzDvMxiFuVK/WXSoGWqBAsziuus= X-Gm-Gg: ASbGncvDPyIo4/pWglA8STIWIvHaSlPGDfQOD0MrlVHi/Sbdv83htUL/0RgXtulz3rO FXbYLvRtvp/gGCTCeyt8GV3S2m7oGPL6eMQeaKdHki6adU2HkMnP162VsADWluoab05fdEt4zg5 VgBLuye6FE5I+qbeq2N+kAlXRf91BrgUYTM3ByJFIKHxwfhXiefd2U29gEbmtz1gpFvayrcVvSf hEwXFsm+Dgqe5ngHbkLP7e8RM5aTMv7itiQpFDOumdqG5sxE1/DJNlGyj3Ti4GcxsJcqGRQDjR7 6ynCCVbzH0hrRZn/gi/hl51gL+LPsXmTmVWIMI8NQ3c3+jgzuJF0/QryR+/6PwwYFpuIxA== X-Received: by 2002:a05:6000:1787:b0:3a4:f72a:b19d with SMTP id ffacd0b85a97d-3b49701198dmr10216091f8f.8.1751969010551; Tue, 08 Jul 2025 03:03:30 -0700 (PDT) X-Google-Smtp-Source: AGHT+IH1SvwWcO9VGXYTPULjJBC0m6vJeUr2jVKEuOXwryHw29XUGkc++r6gFKLLfQS8l/e7j3Mcpw== X-Received: by 2002:a05:6000:1787:b0:3a4:f72a:b19d with SMTP id ffacd0b85a97d-3b49701198dmr10216057f8f.8.1751969010016; Tue, 08 Jul 2025 03:03:30 -0700 (PDT) Received: from ?IPV6:2a0d:3344:2717:8910:b663:3b86:247e:dba2? ([2a0d:3344:2717:8910:b663:3b86:247e:dba2]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b47030ba48sm12695745f8f.13.2025.07.08.03.03.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 08 Jul 2025 03:03:29 -0700 (PDT) Message-ID: Date: Tue, 8 Jul 2025 12:03:27 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [net-next v14 06/12] net: mtip: Add net_device_ops functions to the L2 switch driver To: Lukasz Majewski , Andrew Lunn , davem@davemloft.net, Eric Dumazet , Jakub Kicinski , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo Cc: Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Richard Cochran , netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Stefan Wahren , Simon Horman References: <20250701114957.2492486-1-lukma@denx.de> <20250701114957.2492486-7-lukma@denx.de> Content-Language: en-US From: Paolo Abeni In-Reply-To: <20250701114957.2492486-7-lukma@denx.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 7/1/25 1:49 PM, Lukasz Majewski wrote: > +static netdev_tx_t mtip_start_xmit_port(struct sk_buff *skb, > + struct net_device *dev, int port) > +{ > + struct mtip_ndev_priv *priv = netdev_priv(dev); > + struct switch_enet_private *fep = priv->fep; > + unsigned short status; > + struct cbd_t *bdp; > + void *bufaddr; > + > + spin_lock(&fep->hw_lock); mtip_start_xmit_port() runs with BH disabled. The above lock variant is inconsistent with what you use in patch 4. Please be sure to run tests vs the next iteration with CONFIG_PROVE_LOCKING enabled. /P