From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 10DE541E6A3; Tue, 15 Sep 2026 10:31:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789468271; cv=none; b=gjgc4B3KyJk8DGq8IJzVQf0yofLcdmiBC78amWehQ4eAkXrJfRjvJMMfSonqoYx71xQB3dxmfqCikX27emcV+hciKU9nE52VujyDGeGUADurISnI8qLQWtn/G/lHSCkdozB+o8Ptp5KPJdfqanAeE4pzZN+81w4KwL22GkJKRq4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789468271; c=relaxed/simple; bh=UV8zIL0jIGWxIDxyW9zzPpN7KJxmnLtDGqX6LEpo1Jg=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=LTowrvyhnyZsd/3R8NAyeOl2zXGGEOACfHOXn47hD4PAAtg9pUK9G+SOKLtbOiDcbAD8ki49LKTKr5xt8Km24aZEuC6M5XBidm22Fklxgps313ES9qASpulvWCz8gP7nO/BGsjm6/VhlxqMJ9BJwJEvXwGOblCu/x/c3KEosZyQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lYs2ogqT; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lYs2ogqT" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A1EF61F00893; Tue, 15 Sep 2026 10:31:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789468269; bh=tyIhaFqbO5Rrgoqc8j2a2TZiij+LXpf2mkoczxbWT2E=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=lYs2ogqTC5rqkbvkFkhDR5sLB26sFm4+9U+TgqARKwaVogSmaR++UkWQkFTbacfCZ aVotGn+I0NYrAoKgK6yVm854z6s5fGEoPmpUztoLxgmert5YLW2rxreiht1kNObOwk Ae8itbpQm8lvnbvtUUc3NPK3NXfRaQbbffjm3OV5KKT3uBgQoVrB1CyKppAB2EnSz0 6a628zr4hSZD1PHny5pAR1R/A4L59N4wIBD3khnfH7UOPlrmaA7HCOCxrUtTMQm71R 31xrND5iOu6tcc+W7MbAAtYwIDZ8W2y+ojpkWNjRmj7JPCDp8rTVj+uG2/4+EAgkxC 5hMr8+7zxsZ8w== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 939633926265; Tue, 15 Sep 2026 10:30:05 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: bridge@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] net: bridge: mst: move switchdev call outside rcu From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178946820438.1502971.5687704154883281434.git-patchwork-notify@kernel.org> Date: Tue, 15 Sep 2026 10:30:04 +0000 References: <20260911105021.1385934-1-razor@blackwall.org> In-Reply-To: <20260911105021.1385934-1-razor@blackwall.org> To: Nikolay Aleksandrov Cc: netdev@vger.kernel.org, idosch@nvidia.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, tobias@waldekranz.com, bridge@lists.linux.dev Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni : On Fri, 11 Sep 2026 13:50:21 +0300 you wrote: > This is a follow-up of one of sashiko's pre-existing bug reports. > br_mst_set_state() calls switchdev_port_attr_set() for nonzero MSTIs > while holding rcu_read_lock() which invokes the blocking switchdev > notifier chain and may sleep. Nonzero MSTI changes come from netlink > with rtnl held. Move the switchdev call before entering the rcu section and > assert that rtnl is held. > > [...] Here is the summary with links: - [net] net: bridge: mst: move switchdev call outside rcu https://git.kernel.org/netdev/net/c/18a6fe05fb6e You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html