From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C375AF327C8 for ; Tue, 21 Apr 2026 09:03:05 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 6EF2E612B4; Tue, 21 Apr 2026 09:03:05 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id 30YcXuqhHdiE; Tue, 21 Apr 2026 09:03:04 +0000 (UTC) X-Comment: SPF check N/A for local connections - client-ip=140.211.166.142; helo=lists1.osuosl.org; envelope-from=intel-wired-lan-bounces@osuosl.org; receiver= DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org A08AB612B1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=osuosl.org; s=default; t=1776762184; bh=1kyyDE5e21bYjmPhVqkHNcLYxbJ0U27DltQ/VHT5LJQ=; h=Date:From:To:Cc:References:In-Reply-To:Subject:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=0LGsSdycmzXXYPg/cl0ROXp461/zhlRFg+2OIwwUfydbZNGxSHnlqYUfDFxSISNYX d2zex9lYk5dgoqvIbtUy1gpvcwQyiWd+tP/WQaewDXQBxs7v3t0vf9s+l0bfQ8bgxX yCDpyA0qDaDXHrybN9kjjSXo5Os6XX5UQDUp7E1x3JPuHCn0L9WaEMwH/qH/dhzy1E y7B08Xa+K5LuND060+g/mhZ58If0e4+hHow/ztssz8a84qvwC3QnnDcSgq9Hj1I3KC VuDqTYfH+Uxe+86SX9f6GzNrriX3EY1yl2IasWy/uYgF+kZ9KMSUEM5mE4dOj8lm03 V1AafDXyvRNAA== Received: from lists1.osuosl.org (lists1.osuosl.org [140.211.166.142]) by smtp3.osuosl.org (Postfix) with ESMTP id A08AB612B1; Tue, 21 Apr 2026 09:03:04 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) by lists1.osuosl.org (Postfix) with ESMTP id 97FFF24D for ; Tue, 21 Apr 2026 09:03:03 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 8640183DCD for ; Tue, 21 Apr 2026 09:03:03 +0000 (UTC) X-Virus-Scanned: amavis at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavis, port 10024) with ESMTP id fQZgHZDVh_uj for ; Tue, 21 Apr 2026 09:03:03 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=172.234.252.31; helo=sea.source.kernel.org; envelope-from=horms@kernel.org; receiver= DMARC-Filter: OpenDMARC Filter v1.4.2 smtp1.osuosl.org E370783DCC DKIM-Filter: OpenDKIM Filter v2.11.0 smtp1.osuosl.org E370783DCC Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by smtp1.osuosl.org (Postfix) with ESMTPS id E370783DCC for ; Tue, 21 Apr 2026 09:03:02 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 5B02F44116; Tue, 21 Apr 2026 09:03:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 765E9C2BCB0; Tue, 21 Apr 2026 09:02:58 +0000 (UTC) Date: Tue, 21 Apr 2026 10:02:54 +0100 From: Simon Horman To: Petr Oros Cc: netdev@vger.kernel.org, Tony Nguyen , Przemek Kitszel , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Jesse Brandeburg , Mitch Williams , Aaron Brown , Przemyslaw Patynowski , Jedrzej Jagielski , intel-wired-lan@lists.osuosl.org, linux-kernel@vger.kernel.org, jacob.e.keller@intel.com Message-ID: <20260421090254.GW280379@horms.kernel.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776762182; bh=IEJ6LJnEjNWGmodZMyE/CMbkC0WeFWjPZXCMP+gk6s4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=bnewWg7W3/r/Kjb34Nql+lE28RpJVx1afI7U0D99UBjTN1wp2NN30jql1O0453c0D NFoVBA6S7RvR9pGxh/77ExoEs9T1sLUBbMxLW+MPc36qXBw31iC1waBnKSAWgyDViQ HtEByGWAc+9Aen/GA5IkIZkcXc39d+M4QALGaDyyTf4Rynqhj7/ycvzjbYliZWhWZL zGiEiICZt8crX+5PUdCd4qp4N2tPvAYdT1MY59PcVJyPmtpUHWAhfx0Gq4fG4SurWD yUPSIaQimQ0io9qZkpvYxqYa1dQ+SpcqGe5O5vIyNzdPvjRJYPRvM4HmmH9Jdc8uYY Iqu6m77CV2iug== X-Mailman-Original-Authentication-Results: smtp1.osuosl.org; dmarc=pass (p=quarantine dis=none) header.from=kernel.org X-Mailman-Original-Authentication-Results: smtp1.osuosl.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=bnewWg7W Subject: Re: [Intel-wired-lan] [PATCH iwl-net v2 0/4] iavf: fix VLAN filter state machine races X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" On Fri, Apr 17, 2026 at 04:29:41PM +0200, Petr Oros wrote: > The iavf VLAN filter state machine has several design issues that lead > to race conditions between userspace add/del calls and the watchdog > task's virtchnl processing. Filters can get lost or leak HW resources, > especially during interface down/up cycles and namespace moves. ... Hi Petr, Sashiko has a bit to say about this patch. I'd appreciate it if you could look over that. In particular, the feedback on patches 2 and 3 may warrant some updates to this patchset, while I think 4 is more in the realm of possible future work.