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 X-Spam-Level: X-Spam-Status: No, score=-11.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0EE70C433F5 for ; Sun, 5 Sep 2021 12:10:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F022B61039 for ; Sun, 5 Sep 2021 12:10:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237917AbhIEMLI (ORCPT ); Sun, 5 Sep 2021 08:11:08 -0400 Received: from mail.kernel.org ([198.145.29.99]:40512 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234382AbhIEMLI (ORCPT ); Sun, 5 Sep 2021 08:11:08 -0400 Received: by mail.kernel.org (Postfix) with ESMTPS id 12B1E61027; Sun, 5 Sep 2021 12:10:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1630843805; bh=eCRJ5yerTqnwpninFmP8ox7avYfWeyLMV+GF7C/+Qeo=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=r/2NdhEgwfZyWmgwck6pDPlE3YfRHGouCoinG/kXJiNkVA2/8QsW4TOtWUgmb0W0P 2NHojWpuV9UmIm7b3fiVhGqhLgnAekojXaXjqNDEhzIH6/62qx2/37ymITpc4VMXQ8 pTXCtdbQ4DTkv9bg/rOkyh193O4/puCb7XtresP6VVfsTLeh9hnRQFHKXyMvddbObW sxztyekScWwws0qwYD0zuhhoEzn6oG0MujXw+f3XpIMNeeLPgVMGLexr5D52cwNRwr IFJhsfahVCBrYC2G3yl8bVZkdJydM5f6o8du6ul2o979SYvCtCEYD2K+ShVa59wVip 3zrm4p2WDmB6Q== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net 1/1] net: stmmac: Fix overall budget calculation for rxtx_napi From: patchwork-bot+netdevbpf@kernel.org Message-Id: <163084380500.2594.10060610886272582296.git-patchwork-notify@kernel.org> Date: Sun, 05 Sep 2021 12:10:05 +0000 References: <20210903020026.1381962-1-yoong.siang.song@intel.com> In-Reply-To: <20210903020026.1381962-1-yoong.siang.song@intel.com> To: Song Yoong Siang Cc: peppe.cavallaro@st.com, alexandre.torgue@st.com, joabreu@synopsys.com, davem@davemloft.net, kuba@kernel.org, mcoquelin.stm32@gmail.com, ast@kernel.org, daniel@iogearbox.net, hawk@kernel.org, john.fastabend@gmail.com, boon.leong.ong@intel.com, netdev@vger.kernel.org, bpf@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Hello: This patch was applied to netdev/net.git (refs/heads/master): On Fri, 3 Sep 2021 10:00:26 +0800 you wrote: > tx_done is not used for napi_complete_done(). Thus, NAPI busy polling > mechanism by gro_flush_timeout and napi_defer_hard_irqs will not able > be triggered after a packet is transmitted when there is no receive > packet. > > Fix this by taking the maximum value between tx_done and rx_done as > overall budget completed by the rxtx NAPI poll to ensure XDP Tx ZC > operation is continuously polling for next Tx frame. This gives > benefit of lower packet submission processing latency and jitter > under XDP Tx ZC mode. > > [...] Here is the summary with links: - [net,1/1] net: stmmac: Fix overall budget calculation for rxtx_napi https://git.kernel.org/netdev/net/c/81d0885d68ec You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html