From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793290809; b=wZ9IDakaTLgKgSj+yqQbZSRWlUP4T1CQeK9sHn575W/vdoFnSX0OLdVP7bEtQnaN1iV2 wV2OYTcvQF0HWsBWmQRtVuKyls0WzZt4d6shL6LtqzfALs9bN8j1/lRuj9Gkw7OJi7BJg LTf//k73TZ5INbqkzqvy3Myz8CIBt63ond8mm2IyVpTqqQOwzb4kJ1dEjZ4B6Xwd7e2o4 zfo6GnbBLiRVX3cB4eYHGpbwC+izP5LA8azUmTv8QO9O80H16xS0PHhmWi0uWI7n0x6hZ w3GxZpvrIBgYGUpHhbzWwhvzMtcN3kD4/8jHc8SL5edMqGjQBWf25fTyUEGtPsLCEZg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793290809; h=Received:DKIM-Signature:Received:Content-Type:MIME-Version: Content-Transfer-Encoding:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; bh=hKYbUX0m3eC9JH25HJcu05nZz+GxdZO7J7DWby07hG8=; b=jxl2YoxoAVBY4TDb3wZBN11RwmrhnWstSbfJZK0oQa+iLB4BgKVP0EY9WB7H6e//CTfM Pd83mKOZwcbaWfvvEthnDLcFoBVhr6mAtsle496+AYhfIKhWJK3FaB9BBgR81grxYHldo RnczRmnBeZZ2EE8AxVODgiqIqJLI0akEbhCY3X+TWlsRoR2u4izfTLu0IWxem0+ho6bID hc30+KoafQ4OYSPz3TnUwhIv+QfgIPMYmZBKsQms4GCEjs4eu9CLpx3fqWH2Tyt5SaoPR 6hgKXrUkWpsowDgdyRmm0+iHNf6hA+KT5xer5yaPFaNzMV5o6D7vW3b6o9WF2eZ8MWQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=kg+3MJDy; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 35899606A32A; Thu, 29 Oct 2026 16:20:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=kg+3MJDy Received: by smtp.kernel.org (Postfix) with ESMTPSA id C41721F01824; Thu, 29 Oct 2026 16:20:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793290808; bh=hKYbUX0m3eC9JH25HJcu05nZz+GxdZO7J7DWby07hG8=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=kg+3MJDyS0tZPESfY4OqGHmKXizUIxNCz4FEGcfH/fQgES5Bv+RImq5OmGdd0NI9l RlN+9qizMApN8RhCLgdlA0/Gsv/LWUhgo/WwFbmje7QzK2mdTs8gpGpOA/x84moGpj lkoE6L8geXfJtnFvvk5T8jJKvK8rHof4mXcLbiDaUMLO4v/ZoQhxAq2aLwuik2etla e0vP9lntqeRi9tFTEjwY/gGZH1M3tlvAK/MlX/5n9PMBoI9sxRQjl4Esep9w1cKyh2 sXuEZ81gppmw3YNYO0uQG6xOb5nd2LFfFINElJYsVBwSZKDxQKN0qKITiBdL6FIine 3QWh3we+tvVVA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id BA2C53808221; Thu, 29 Oct 2026 16:20:08 +0000 (UTC) Content-Type: text/plain; charset="utf-8" X-Mailing-List: netdev@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v4] net: bgmac: fix TX DMA unmapping and slot cleanup From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179329080729.553408.1898969797486604719.git-patchwork-notify@kernel.org> Date: Thu, 29 Oct 2026 16:20:07 +0000 References: <20261028164839.28605-1-rosenp@gmail.com> In-Reply-To: <20261028164839.28605-1-rosenp@gmail.com> To: Rosen Penev Cc: netdev@vger.kernel.org, rafal@milecki.pl, bcm-kernel-feedback-list@broadcom.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@kernel.org, kuba@kernel.org, pabeni@redhat.com, nbd@openwrt.org, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Wed, 28 Oct 2026 09:48:39 -0700 you wrote: > When mapping a fragment fails, bgmac_dma_tx_add() unwinds with the > wrong slots. It passes the failed fragment's slot->dma_addr, which > holds the mapping error, to dma_unmap_single() for the head. The > fragment loop indexes from ring->end instead of ring->end + 1, so it > unmaps the head a second time as a page and leaves the last mapped > fragment mapped. None of the affected slots get their dma_addr cleared > either, which includes the head slot when mapping the head fails. > > [...] Here is the summary with links: - [v4] net: bgmac: fix TX DMA unmapping and slot cleanup https://git.kernel.org/netdev/net/c/4f45e97b3aac You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html