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 F413A2E5430; Tue, 14 Oct 2025 01:10:58 +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=1760404259; cv=none; b=q7C1jrl3FET3enSKSLVrckeSiY/eVvyPscnWUW2E27uPadK1tECpu52+4i4EHGZ6aYAvsD0Bo0qT8DHumc7gbwMFlDZ7fkOXcGcepXGKZIU/yQ6Kz/GaW0ToYNigjuun/mxLcRbyBAyRjAFqeCyBMlXb+rOaRV9EuCiZphVwmxU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760404259; c=relaxed/simple; bh=yatIg3t1WqJConxyQytL7RSrVAlOOfgGztRq+a10wpo=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=jPpf+V6EeDN6CVTMPfKbihXr/Y+En18WFjh0+tj8ssshFQZsnv/ZvPbXK+nid0jeAjjGvPIWtdnrq8nPfl1f8lLTvvb7tFmceP10ajonJWYL7XoBqHyqKRhDI05zAl5PQP6NVNZh4WGTho9t7HIdlHEn5h1TPih/VuL+EuJGw48= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BgYV8pE2; 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="BgYV8pE2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8CD36C4CEE7; Tue, 14 Oct 2025 01:10:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760404258; bh=yatIg3t1WqJConxyQytL7RSrVAlOOfgGztRq+a10wpo=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=BgYV8pE2DRDIhOqLzfK6uCWhsPOCVibhzP2mhldSqg6oLanX7PzsQ2y0/U0Rm3gX4 K2oeL/USsw3Wd0NU4fJoW8dxlsfeHvlrH/TnM+X3kYgnmOUcMUnBy1INlsrpB4VQ6A 6yz9kj/NP6hSmObPvFv+3GwTZortn01KjBJb+iTfTuwTUUDKP42bBhd/94alJMyxxc 82sHbrZgetS7+POqGbp1h36Qv7C0RzZL2hJhsDJaXpDs4sqG3+rkry3KIFf2XuYR+X 51G8YQ2OxCn8TiYedfaY5j9BL0JPNozkGvEMWhZFfQN35l/L5TF6OFgXAkqXldwQ/4 QfHjHHo/06umA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 713B6380A962; Tue, 14 Oct 2025 01:10:45 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-rt-devel@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] net: gro_cells: Use nested-BH locking for gro_cell From: patchwork-bot+netdevbpf@kernel.org Message-Id: <176040424399.3390136.8061166550868756938.git-patchwork-notify@kernel.org> Date: Tue, 14 Oct 2025 01:10:43 +0000 References: <20251009094338.j1jyKfjR@linutronix.de> In-Reply-To: <20251009094338.j1jyKfjR@linutronix.de> To: Sebastian Andrzej Siewior Cc: netdev@vger.kernel.org, linux-rt-devel@lists.linux.dev, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, clrkwllms@kernel.org, rostedt@goodmis.org, syzbot+8715dd783e9b0bef43b1@syzkaller.appspotmail.com Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Thu, 9 Oct 2025 11:43:38 +0200 you wrote: > The gro_cell data structure is per-CPU variable and relies on disabled > BH for its locking. Without per-CPU locking in local_bh_disable() on > PREEMPT_RT this data structure requires explicit locking. > > Add a local_lock_t to the data structure and use > local_lock_nested_bh() for locking. This change adds only lockdep > coverage and does not alter the functional behaviour for !PREEMPT_RT. > > [...] Here is the summary with links: - [net] net: gro_cells: Use nested-BH locking for gro_cell https://git.kernel.org/netdev/net/c/25718fdcbdd2 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html