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 E8B893002D7 for ; Sun, 25 Jan 2026 23:00:19 +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=1769382020; cv=none; b=uzN3aRLE82oyzHpymvu78pcvMEoc0mrRHp7/X+szq+8imepDIKFtDlRaxhxUJi59C0EHxpumr3sdyAo4vIHCdRM4tyL/2otGgIQQ4efBmljBVv4CW2moxmhW+ZocqaRIRbI63qnc6b+hWaIULpt0mccxzB2B8xmZyWpdd0DCW6s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769382020; c=relaxed/simple; bh=+pMTxU9PLeec8dePK+bSPagbWIqbm31Kr9bbPzDyD1k=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=Cl5eqUnXQyPG66eVk2NRpUlDApxbQ8Dc+hE0tS/OvIeo2qKCVLSpyi8PWdnH9yMSTR59OyaQfamw9P0f3SG7XQCCE3RuH2wAe32Ww29iFCIbsVedealNM2lu0+P6M6UeGkGRuKCCq1E4MItANSFGr7f9L9VPB0PiqeoInTMlboo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mhZvEa6m; 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="mhZvEa6m" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 84624C4CEF1; Sun, 25 Jan 2026 23:00:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769382019; bh=+pMTxU9PLeec8dePK+bSPagbWIqbm31Kr9bbPzDyD1k=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=mhZvEa6mECDhdfDgPOV6WZD2VNdxkjtf7JZAsA9eAo5JDq03vuEk6WCaiH7nJY/kF p+xUWbI0a27ieywIY+P2BWknRzSZ16sDPkWGt5MiGeXUsKspgiZE4hDzALQIUSSEtf oU3Vfx6bB4adMSmvieuUAgdF9bcAYSJcg2rNTQTWQdTv0+wznEdT7lCj3i4pVYA2f/ WSEGtxLEvz6f0ZXBsSDQ07+nbtd27jC3QzS1Z3LPKhTGXWNRyG2ms3NswOLzkfM/+/ sWFWkUkqQFjTbcr1SZjQKKkdwyc3WAk8P9j0kKz67B4Lji5OcFrS2JKudm1MnM3FyI aPFVX9uPDWSrg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 8BBA83809A15; Sun, 25 Jan 2026 23:00:15 +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: [PATCH net-next v2 0/8] net: neighbour: Notify changes atomically From: patchwork-bot+netdevbpf@kernel.org Message-Id: <176938201436.4007016.15562827652330249798.git-patchwork-notify@kernel.org> Date: Sun, 25 Jan 2026 23:00:14 +0000 References: In-Reply-To: To: Petr Machata Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, netdev@vger.kernel.org, idosch@nvidia.com, kuniyu@google.com, leitao@debian.org, aroulin@nvidia.com, fruggeri@arista.com, stephen@networkplumber.org, mlxsw@nvidia.com Hello: This series was applied to netdev/net-next.git (main) by Jakub Kicinski : On Wed, 21 Jan 2026 17:43:34 +0100 you wrote: > Andy Roulin and Francesco Ruggeri have apparently independently both hit an > issue with the current neighbor notification scheme. Francesco reported the > issue in [1]. In a response[2] to that report, Andy said: > > neigh_update sends a rtnl notification if an update, e.g., > nud_state change, was done but there is no guarantee of > ordering of the rtnl notifications. Consider the following > scenario: > > [...] Here is the summary with links: - [net-next,v2,1/8] net: core: neighbour: Add a neigh_fill_info() helper for when lock not held https://git.kernel.org/netdev/net-next/c/77fa50dcb987 - [net-next,v2,2/8] net: core: neighbour: Call __neigh_notify() under a lock https://git.kernel.org/netdev/net-next/c/0ecdccb8a455 - [net-next,v2,3/8] net: core: neighbour: Extract ARP queue processing to a helper function https://git.kernel.org/netdev/net-next/c/705ef89ac986 - [net-next,v2,4/8] net: core: neighbour: Process ARP queue later https://git.kernel.org/netdev/net-next/c/89246ef82d79 - [net-next,v2,5/8] net: core: neighbour: Inline neigh_update_notify() calls https://git.kernel.org/netdev/net-next/c/a228a7e681b8 - [net-next,v2,6/8] net: core: neighbour: Reorder netlink & internal notification https://git.kernel.org/netdev/net-next/c/795258891c94 - [net-next,v2,7/8] net: core: neighbour: Make one netlink notification atomically https://git.kernel.org/netdev/net-next/c/d0887dc8b2d0 - [net-next,v2,8/8] net: core: neighbour: Make another netlink notification atomically https://git.kernel.org/netdev/net-next/c/a00266969c8e You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html