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 9CCF048665F; Thu, 15 Oct 2026 10:10:06 +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=1792059007; cv=none; b=ApdMcS1ehelK5xO8yNwSUM2UY8TvOO/tt5P6EodWYiFjI6RkAHrcKPzJD07qsuF+dxJGGL57PaJLXfkUw2P0E9ZqmxNmZLiJFxX2ipQnQEqt1g4yVeg0fR332yE9ex48Iog2sc/uolfLpnPf/ll0mqR9dhwX4g0d9Z6oTFohV3I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792059007; c=relaxed/simple; bh=WRgzYFOArbXaTYEeFNrGeUiCrAn4QQqyStUy/+BzAZY=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=qloPcncIG6V+HlwZgvMajtbBKtQOS4cj7NOmqauQ53OOgd1yjjIZ/s3+uIeKS1crOyKDCGxMLOT20pakmSZpqJydE7P9M2NQxbJXre5tbZxcqfu/7XbWtoMZr+rWvLOeJm9Wglsf8QxTXT1zo5AlxvsaYmEWCo20a/uP9v4glYs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=hpGQE/J4; 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="hpGQE/J4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 44E1D1F000C4; Thu, 15 Oct 2026 10:10:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792059006; bh=NCYNP9Fi9prxm0OJnfd1ciz/HhBuDQoqjbyYk3JuOoE=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=hpGQE/J4BlXWTO779nvAX1pRfX1xrCbDwDz9tSMxOxX2vp8Me50MBvYneOpCkVx6A i7tkPvte/MTyO4TS9FkZaFZStyvD/5nAn6nQDBMsTEblXOcbmOwxOzWk6H+Be++sJJ 4uUHNcsrbGFc9I5IfjPzSC41r5oImsMBy5qkCOvBZc61psIZ8xyjtui5uE09y5mCsS TSyILHdXUz6RMeTXF/zSUCRp2oeUOe2txmKXXRu3JjWcqDmZciQ3yuqi6tvhrduwsp vRGHjvxxTLCnlH1hVWDcqP95d/ufVekaz63SwJi88LyQbldxZGoC2vXW0ufRkcDcay xDBIpaQkA6Skw== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 3A288392EA50; Thu, 15 Oct 2026 10:10:06 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net] net: bcmgenet: unshare the skb before writing the control block From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179205900502.3330315.1943709997032683206.git-patchwork-notify@kernel.org> Date: Thu, 15 Oct 2026 10:10:05 +0000 References: <20261009-nb-genet-shared-skb-net-v1-1-c6d0a841977d@tipi-net.de> In-Reply-To: <20261009-nb-genet-shared-skb-net-v1-1-c6d0a841977d@tipi-net.de> To: Nicolai Buchwitz Cc: opendmb@gmail.com, florian.fainelli@broadcom.com, bcm-kernel-feedback-list@broadcom.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@kernel.org, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Paolo Abeni : On Fri, 09 Oct 2026 12:10:41 +0200 you wrote: > bcmgenet stores first_cb, last_cb and bytes_sent in the skb control > block and reads them back on completion to free the skb and credit BQL. > ether_setup() leaves IFF_TX_SKB_SHARING set, so the stack can resubmit > a shared skb that is still in the ring. The next transmit overwrites > last_cb, so the earlier slots complete without crediting their bytes > and BQL stalls the queue until the watchdog resets it. > > [...] Here is the summary with links: - [net] net: bcmgenet: unshare the skb before writing the control block https://git.kernel.org/netdev/net/c/89771ce4f8f6 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html