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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 212F3C5AD05 for ; Sat, 8 Aug 2026 01:41:01 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3943710E49C; Sat, 8 Aug 2026 01:41:01 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="joAKtJ9a"; dkim-atps=neutral Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1D31710E491 for ; Sat, 8 Aug 2026 01:40:59 +0000 (UTC) Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id D370341A3F; Sat, 8 Aug 2026 01:40:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B3E051F000E9; Sat, 8 Aug 2026 01:40:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786153257; bh=NXm/SsYiv4ju2Xo/fyAJbZ1/yajU4AJnu1Qr1d7j8WA=; h=Subject:From:Date:References:In-Reply-To:To:Cc; b=joAKtJ9aDWLRW8g60N7rTz7Fk3n3zBec23EWuWHUcWd5HRqJVBkyk5WzNKzjUm85d 9lsGEGYAKdlvH34Iw4D0SJhzT+OSm4I97ZiogX8In8C3QDlPx4sL/bJHQX8+z9I/xL llWdFb+5gWtBqCI6caipTdq3EJ5h0snCEe5r3v584ZLlC4dIbfsFFuGlNZ1gWMXXjG gPJYFRkePsgxKXugp6MgsJ6jx2YB/CLH5jYGJREspbCKJ7wNR1g4fjFpD2B6OMjnJi 76Cubw0CLs7D2krtwFJV7n8r/JTSsAZEjTiFhC2xcn67UHTA3CEZG4Jtgx1r3vW0f4 mcuseiKZ7WFJg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 5696B380CEE4; Sat, 8 Aug 2026 01:40:17 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next v8 0/3] net: devmem: allow rx-buf-size > PAGE_SIZE per binding From: patchwork-bot+netdevbpf@kernel.org Message-Id: <178615321588.2493713.16495466969438230257.git-patchwork-notify@kernel.org> Date: Sat, 08 Aug 2026 01:40:15 +0000 References: <20260805-tcpdm-large-niovs-v8-0-3e0225e2808c@meta.com> In-Reply-To: <20260805-tcpdm-large-niovs-v8-0-3e0225e2808c@meta.com> To: Bobby Eshleman Cc: donald.hunter@gmail.com, kuba@kernel.org, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, horms@kernel.org, andrew+netdev@lunn.ch, kraxel@redhat.com, vivek.kasireddy@intel.com, sumit.semwal@linaro.org, christian.koenig@amd.com, shuah@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org, linux-kselftest@vger.kernel.org, sdf@fomichev.me, razor@blackwall.org, daniel@iogearbox.net, almasrymina@google.com, matttbe@kernel.org, skhawaja@google.com, dw@davidwei.uk, joe@dama.to, bobbyeshleman@meta.com X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hello: This series was applied to netdev/net-next.git (main) by Jakub Kicinski : On Wed, 05 Aug 2026 13:42:42 -0700 you wrote: > Every devmem dmabuf binding hands the page_pool PAGE_SIZE niovs today. > On NICs that consume one descriptor per netmem, this caps a single RX > descriptor at PAGE_SIZE and burns CPU on buffer churn. > > In this series, we add a bind-time netlink attribute, > NETDEV_A_DMABUF_RX_BUF_SIZE, that lets userspace request a larger niov > size (power of two >= PAGE_SIZE). Drivers must opt in via > queue_mgmt_ops.QCFG_RX_PAGE_SIZE. > > [...] Here is the summary with links: - [net-next,v8,1/3] net: devmem: allow rx-page-size > PAGE_SIZE per dmabuf binding https://git.kernel.org/netdev/net-next/c/b27a8560eec9 - [net-next,v8,2/3] selftests/net: ncdevmem: add -b option to set rx-page-size on bind https://git.kernel.org/netdev/net-next/c/3e8c9ec4eb75 - [net-next,v8,3/3] selftests/net: devmem.py: add check_rx_large_niov https://git.kernel.org/netdev/net-next/c/8ac4255c1e0c You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html