From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 AE009296BD1; Fri, 6 Feb 2026 02:50:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770346210; cv=none; b=uLKZvjSo1EnLc9r4Rkd6MTXKKvrWaIs6woFMXffPICZCadSzqMZC8IYTGsXVGphW3V1CNVL9RGfbVSOHx3wKnEpjw+C9+elKO6fxnT9HI4tGsYUIqgIsqlxpiaNOZxAufGjmn2Abs+yXgM94FCGe91HTQuDeIl/ZznRf98WqHBI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770346210; c=relaxed/simple; bh=IKqatH5kV7eJzphFpYS2pLpw0eu1bizRSPviTdXrV9U=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=EtnV8ZNDch3y8cp76Cu9nKlK4Z+eux1DSkLVowQywqBgbb/TmwLsNxu3L/hN95Hqp0khQKloQ1d/IFOHqZ+HyB3DZjwrAdu0xZTdm5z/aucboTzx4hAATnCaAa1TNplz1nkTOTNYUDb2rb1QnUXgYW1ovjIcEXXNPO5zGbvOuMI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ham0/mMO; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Ham0/mMO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 86B82C19423; Fri, 6 Feb 2026 02:50:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770346210; bh=IKqatH5kV7eJzphFpYS2pLpw0eu1bizRSPviTdXrV9U=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=Ham0/mMOyxWGoj1xC6QhxAw92XqPpC7GQGF8wlGHB9XaJ0v0gU1FojKU4BACGIY6X fr2u3s1PgMuDS4YUaQmh6hVTpT1dJOniQUgvqMuPq0XiY5UAY7nKW6t/3tgqQDqv7L YsKR3TIHsrDJkz2089TOugAN0oxJZBylc2hFOOP4bI9laKITssVrHqk8AJXjUSBdwC xDGoiKHS5gslAgFQOrV9M75cxLAwKbyQFM+JO3EOV1wrxKCDN3ZWbrrJp26pO14/SM heY1F5MBQujBdk6Y9vHshmzS6uyAv4JhOVXLjCut5AIFQIoEtrBLZoIFHoIprGHlBt AyeaRuKjUiJcg== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 480BC3808200; Fri, 6 Feb 2026 02:50:09 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next V2] net/mlx5e: SHAMPO, Switch to header memcpy From: patchwork-bot+netdevbpf@kernel.org Message-Id: <177034620808.657894.1041994885546152344.git-patchwork-notify@kernel.org> Date: Fri, 06 Feb 2026 02:50:08 +0000 References: <20260204200345.1724098-1-tariqt@nvidia.com> In-Reply-To: <20260204200345.1724098-1-tariqt@nvidia.com> To: Tariq Toukan Cc: edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, andrew+netdev@lunn.ch, davem@davemloft.net, saeedm@nvidia.com, leon@kernel.org, mbloch@nvidia.com, netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, gal@nvidia.com, moshe@nvidia.com, dtatulea@nvidia.com Hello: This patch was applied to netdev/net-next.git (main) by Jakub Kicinski : On Wed, 4 Feb 2026 22:03:45 +0200 you wrote: > From: Dragos Tatulea > > Previously the HW-GRO code was using a separate page_pool for the header > buffer. The pages of the header buffer were replenished via UMR. This > mechanism has some drawbacks: > - Reference counting on the page_pool page frags is not cheap. > - UMRs have HW overhead for updating and also for access. Especially for > the KLM type which was previously used. > - UMR code for headers is complex. > > [...] Here is the summary with links: - [net-next,V2] net/mlx5e: SHAMPO, Switch to header memcpy https://git.kernel.org/netdev/net-next/c/24cf78c73831 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html