From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 36904CA5FAB for ; Tue, 29 Sep 2026 01:40:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Date:Message-Id:From:Subject:Content-Transfer-Encoding:MIME-Version: Content-Type:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=5GXLsHRwa/uiWR9gXSCFqUPaVMTCXPSoRNkmYXel1pM=; b=wwA45DI08ybV+nxd6XFZ4W4HDT WPYe6BQZFUsGpRmnRbtkmvttBj61QeIOH09TbMVdGZs63TGUL2Ym6tVTxrSBiK/mZZYfvej3L3BSg ymwUYaHH2nmc5L9k+4qhud5Qn1wN1+YmfRDpvJ2mxyqh6SSDXnWyZtUky3iJ+rjkGZ6WYDDDHQF0y v6Oaqa8fJ9QUu4M9SeAu9aFAxxB3jTdrx5qYji0hD5/dxmg4V/cuAWNp/OiAUgqLdaE7mCD/OjKyh PggaP+HmM+jfRwBxmOAZ2cfkXXnVUcUwoz2jQPeItEvxR41DeJDzyWGft+A5C8mmSNHX5fcv2FlMd 2Na2I+kg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xBMpJ-0000000241J-2uT4; Tue, 29 Sep 2026 01:40:13 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xBMpI-00000002412-3q1K for linux-arm-kernel@lists.infradead.org; Tue, 29 Sep 2026 01:40:12 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 9B2DA60216; Tue, 29 Sep 2026 01:40:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4D4201F00893; Tue, 29 Sep 2026 01:40:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790646011; bh=5GXLsHRwa/uiWR9gXSCFqUPaVMTCXPSoRNkmYXel1pM=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=kseBpQH1sZvpnkpmUR0DGwExC4M9xjqzM7cQCjYitlnkM8Hvu1sQJ0jAe+Gf9/dF0 ZP+qO183z9k6HINhMuzgRTtVOV6pBTqZan94OG81h2FIKIbPKTu3+aR4VIQG7fE6Qq 0Q1sEl5tov9BbgfU63TFPIG7+lQbZ3HEZCrTv4coucO8HO1+mLcYgBPYCkmjMOTPUz HMyG29BZNNK32GOdwQxs7vWjAySivARUxZ+zSUjZVian1aBffgFzsOSHLYwPL15Huu +G7NHOJqJxURngR2SJqvg0kCTp7bKgGn+oNvpJ3njQMidNBU54f7t10FDighUj4DVh 2Ll4DdjZBgZ6g== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 3A46D3924FED; Tue, 29 Sep 2026 01:40:11 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v3] net: stmmac: fix rx Scatter-Gather support From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179064600978.210624.11551401846700650328.git-patchwork-notify@kernel.org> Date: Tue, 29 Sep 2026 01:40:09 +0000 References: <20260923-stmmac-rx-sg-fix-v3-1-ed26fea7180d@oss.qualcomm.com> In-Reply-To: <20260923-stmmac-rx-sg-fix-v3-1-ed26fea7180d@oss.qualcomm.com> To: Lorenzo Bianconi Cc: maxime.chevallier@bootlin.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, mcoquelin.stm32@gmail.com, alexandre.torgue@foss.st.com, Jose.Abreu@synopsys.com, ast@kernel.org, daniel@iogearbox.net, hawk@kernel.org, john.fastabend@gmail.com, sdf@fomichev.me, netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, bpf@vger.kernel.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hello: This patch was applied to netdev/net.git (main) by Jakub Kicinski : On Wed, 23 Sep 2026 11:14:28 +0200 you wrote: > When a received frame is larger than dma_buf_sz, the DMA scatters it > across multiple RX descriptors (rx Scatter-Gather). The secondary RX > buffer (sec_page) was only allocated and programmed when split-header > (SPH) was active, so for regular frames buffer2 was neither allocated > nor backed by a valid mapping. As soon as an incoming frame overflowed > buffer1, the DMA wrote the overflow into the unmapped secondary-buffer > address, triggering an SMMU translation fault on IOMMU-based platforms: > > [...] Here is the summary with links: - [net,v3] net: stmmac: fix rx Scatter-Gather support https://git.kernel.org/netdev/net/c/88095728511e You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html