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 5D0D3CA5FE5 for ; Fri, 2 Oct 2026 20:10:24 +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=jxjwPiIKbDU6MasNt4osX21VBe+cd6oHzOjlTu73SmI=; b=cNARyFjgcQk6+A3EqyuWneq8CX NOiDpHt2Arh87ddgSy5XDlCXCJXleBEJDtcDf4AtInMwWInCQXYYZR2lYnoVOLO3GWAE5mdcIHOUF 5oP8/ckAUDPu6G7Gl9JMjEmJroJB9kMURAKfekyxqDR4mpP1HfhIK+mi3cUSSeI0PEFzGo2qOh3qS LsItJyJdkl8qlq/Z0dLlZfA3mfOWbBoDNvj06ZAHuchq1G1FnbhXSXPkLc5IsmCYJMS/uQfcBf2Z5 lYdOjwnJhdzj51u7RRGXLUlYPKjDkdHXRvs6I6tV5FTCPQHfbhJ+qM/Wp0vHh6hgVA2RMYCofwsZx ixgB3rsg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1xCja7-0000000CST0-2Qlf; Fri, 02 Oct 2026 20:10:11 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1xCja6-0000000CSSc-3Wq7 for linux-arm-kernel@lists.infradead.org; Fri, 02 Oct 2026 20:10:10 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 6315D41A37; Fri, 2 Oct 2026 20:10:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 442651F00893; Fri, 2 Oct 2026 20:10:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790971808; bh=jxjwPiIKbDU6MasNt4osX21VBe+cd6oHzOjlTu73SmI=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=Hjuwagk9La0PlJpyZlFaaLG/EPnfiL5Om9kQFRXuOpENKWtvlydE+l54pbq1e8tAr m5T4DYAkPWbNsihZdAnQifeDv30oDgqgYPfOFQOBhnYr2NuOX8jbI43RKcFF4DZ1kU e45gv0Z1tzsDmAAjvHs+POd4VDgrr9bJ/P8+ROSs3WiKUe/+oia367/AIGSE0bLJGa +7jHzRgH5/SfWSam0ky2sK6uGXU/k6I/5jnWGH8xIPNsm10vHUB4gdVv1EqZ924bsU l6sVvwJffF0zf/CtSH7l5QEJO27ouGPSe688DYesO9gLVHuEcaIXb9W9QFd0/3mCVn 9bzb+L9pMcxBg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 3A3AF3811A72; Fri, 2 Oct 2026 20:10:08 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v4] net: xilinx: axienet: Free outstanding DMA buffers on dmaengine stop From: patchwork-bot+netdevbpf@kernel.org Message-Id: <179097180677.3568371.6111049801339254960.git-patchwork-notify@kernel.org> Date: Fri, 02 Oct 2026 20:10:06 +0000 References: <20260928184207.2361931-1-suraj.gupta2@amd.com> In-Reply-To: <20260928184207.2361931-1-suraj.gupta2@amd.com> To: Gupta@aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org, Suraj Cc: radhey.shyam.pandey@amd.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, michal.simek@amd.com, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@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 Tue, 29 Sep 2026 00:12:07 +0530 you wrote: > In the dmaengine path the driver pre-submits RX buffers and holds > in-flight TX buffers whose SKBs are DMA-mapped by the driver and freed > only in the completion callbacks. On ndo_stop() dmaengine_terminate_sync() > aborts these descriptors without running their callbacks, and the driver > then frees only the ring shells, leaking every SKB still owned by the > engine and its DMA mapping on each ifdown. With 128 RX buffers pre-posted > per channel, the mapping leak can eventually exhaust a limited IOMMU > aperture. > > [...] Here is the summary with links: - [net,v4] net: xilinx: axienet: Free outstanding DMA buffers on dmaengine stop https://git.kernel.org/netdev/net/c/bcf2573a68a8 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html