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 655CB78F37; Mon, 24 Feb 2025 08:19:58 +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=1740385199; cv=none; b=eXvSs07LBKhpLjA3VFt6OL+p19KGSJYVSHC7JrbUk8EFYNS6zzt9as8OIPPwCCbQcoiuvCzaus89+mFWIBITM83Ls5xfM8SSONh2bsCfSyGLJJerfDOFjZqt3dGZ/JxIMwrSyDAcOW+Oy6MtAwRE9qxhC2dMAhBeHau5SK2XdpU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740385199; c=relaxed/simple; bh=WRw3GU6KiQoW+w4MXfMGNhDMrQVEmkbV4uPnsG3VKG8=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=UPEM4ftkRXPCAzRsyZKparz2zJNUW7d7nFO4X2YOh8sRUZxDirI3PdybI4gOOYq7dNDS/0A/TllwqOcPHAThvOJd7iF+XHYhvhapgfi13+tBcZaxvNaySWPcQNgUN3BiOWXL06zWnOE4BDoSwKlR1Ag62uIQWbSp3qo4zRgUGmw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KioprYjf; 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="KioprYjf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D20D0C4CED6; Mon, 24 Feb 2025 08:19:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740385198; bh=WRw3GU6KiQoW+w4MXfMGNhDMrQVEmkbV4uPnsG3VKG8=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=KioprYjfkW1/mlNCa+plyyJfoYmYZMq9olgl7Hqj5bx1rryFQT3wpFU60apUe2LrP y1wOYtMuUqP4iW1BPL8AccuOr2jThYxMU/cQHc1IdyGP3SdqxM/B5r1d3+WtChLNZU ewPSBaBDer8cXVPafVza/xCmXW6cMk8k1wi5xr2xje5VwS7ausun7WdfRe9hlAkfQD wrXgAB5RQQOn6bh3h284gRxq/T/3suR9Hd1/KmQtDZQAJkcCBoPzbxLMNwSRmDlYlS dCFJ6C2syMBUyt/MA26gKfQCxemrSrNgWuF48Itt1hzWuXq22W/SUdJ/8vF2ZjgdDU gV8Z9/ilvRvzA== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 70D89380CEE5; Mon, 24 Feb 2025 08:20:31 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next] virtio-net: tweak for better TX performance in NAPI mode From: patchwork-bot+netdevbpf@kernel.org Message-Id: <174038523026.3048719.1870378720430783513.git-patchwork-notify@kernel.org> Date: Mon, 24 Feb 2025 08:20:30 +0000 References: <20250218023908.1755-1-jasowang@redhat.com> In-Reply-To: <20250218023908.1755-1-jasowang@redhat.com> To: Jason Wang Cc: mst@redhat.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, xuanzhuo@linux.alibaba.com, eperezma@redhat.com, virtualization@lists.linux.dev, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (main) by David S. Miller : On Tue, 18 Feb 2025 10:39:08 +0800 you wrote: > There are several issues existed in start_xmit(): > > - Transmitted packets need to be freed before sending a packet, this > introduces delay and increases the average packets transmit > time. This also increase the time that spent in holding the TX lock. > - Notification is enabled after free_old_xmit_skbs() which will > introduce unnecessary interrupts if TX notification happens on the > same CPU that is doing the transmission now (actually, virtio-net > driver are optimized for this case). > > [...] Here is the summary with links: - [net-next] virtio-net: tweak for better TX performance in NAPI mode https://git.kernel.org/netdev/net-next/c/e13b6da7045f You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html