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 CEDAF1A83E2; Thu, 3 Apr 2025 22:20:00 +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=1743718800; cv=none; b=imgxVrqfzXBd5hpgO1sVSfHuE4xMu3UISmpV4S6EOUEuPCdIvQxfTnmWwuUnNJr1IUUO9Q/6oZuVU+RRngHQ8wBZeP0OtLP3dL7m36sWMX6vQfdu05SzYe0CpsH3F1j52A8Pgu9z3iB0/r+u7hg2cAptW0q47ZuEtsMrxNs137A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743718800; c=relaxed/simple; bh=0sWnk2DoVQ9pROgDQR4uYnx/4NK2XpAdbm+4WZXb+bY=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=W+XnztxSnYfhMnWuhq+tbeflkigQc4DrTseXPbZj5gDyn4DMRZ5Asy1vJnz5noOwTLXWXb52N65KdJkdhtwPThXcvuz4QsJZsEsiK4pUJctJa57g+5of5OvgXEDtLmjB+mRwSGuMzmRJjHbJx5glpB08FPzeodJRgDa6kvJmqvA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=h443Jxbq; 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="h443Jxbq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 401A0C4CEE3; Thu, 3 Apr 2025 22:20:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1743718800; bh=0sWnk2DoVQ9pROgDQR4uYnx/4NK2XpAdbm+4WZXb+bY=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=h443JxbqzTgsJsQFLPGnG9pi185gCsCb89dlP+56JGSRXIclGrVKzTunLjaxrsVA5 Pkj6YbCTDvYabqmZbi0HbvwV/DiJM9pWvVCRAR35zw/GgM5sauyNr98L/0F5umEDPA 5QbcadhTEogR2LMFfaFZoqE8p56lmpRg6nMocGRRTLD7cYP4JBVEVDFU1Hyto05ol8 k/azFVSEA3li8635eKebNmWGxf3xm3Jnp5iPpVOumdnQbaZOA/Ci+xYvQ+V/FPex3c d2X4YK80Cf9yFVVo1TKQpkaPl55q1AJPgyoAFxdYO2YfcWuqrnp/Tyn959zvCEJOC1 9KVv9NN4u4B6w== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 70D2E380664C; Thu, 3 Apr 2025 22:20:38 +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 v4] net: dsa: mv88e6xxx: propperly shutdown PPU re-enable timer on destroy From: patchwork-bot+netdevbpf@kernel.org Message-Id: <174371883723.2702664.483595535919896131.git-patchwork-notify@kernel.org> Date: Thu, 03 Apr 2025 22:20:37 +0000 References: <20250401135705.92760-1-david.oberhollenzer@sigma-star.at> In-Reply-To: <20250401135705.92760-1-david.oberhollenzer@sigma-star.at> To: David Oberhollenzer Cc: netdev@vger.kernel.org, andrew@lunn.ch, Julian.FRIEDRICH@frequentis.com, f.fainelli@gmail.com, olteanv@gmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, linux-kernel@vger.kernel.org, upstream+netdev@sigma-star.at Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Tue, 1 Apr 2025 15:56:37 +0200 you wrote: > The mv88e6xxx has an internal PPU that polls PHY state. If we want to > access the internal PHYs, we need to disable the PPU first. Because > that is a slow operation, a 10ms timer is used to re-enable it, > canceled with every access, so bulk operations effectively only > disable it once and re-enable it some 10ms after the last access. > > If a PHY is accessed and then the mv88e6xxx module is removed before > the 10ms are up, the PPU re-enable ends up accessing a dangling pointer. > > [...] Here is the summary with links: - [v4] net: dsa: mv88e6xxx: propperly shutdown PPU re-enable timer on destroy https://git.kernel.org/netdev/net/c/a58d882841a0 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html