Received: by 2002:a25:8b12:0:0:0:0:0 with SMTP id i18csp482248ybl; Thu, 15 Aug 2019 22:18:47 -0700 (PDT) X-Google-Smtp-Source: APXvYqy2ARBv657Y8wDxryeVOCHsZjNgaRlrMBnW8WFB8sYJEcFvkgrfqBoq2S9W9+LhwwRDU9js X-Received: by 2002:aa7:92d2:: with SMTP id k18mr9016234pfa.153.1565932727523; Thu, 15 Aug 2019 22:18:47 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1565932727; cv=none; d=google.com; s=arc-20160816; b=beHGJKNiVGeB43atCnAERwsMQiDKb7Dozv9spFFzDv/ziFHvUr7QUZnYuilmthjIAl 84/e/o/2M0awCIRMONsvBT/cZOmXCSVnxeLdNoZViH5AZF4YyHTjD4FJx8gjTQ0KUqrM o01HxCVa80AQpHLRTPy3h9luKtdbHu6rK4KUpLjC/aIHoyOBsqIOqNjXQ1h3wdlbn/wE iJMC0PXUjQgRBSdvZP/3SVyATMR38LxiLbTiSifuLLVxAvnYswUbZAQo4G/peKMEDWKx qjPOvT5qakeZuPnVNld5cedVMuUO2njbXbpXSoCfQsBeBa6eGH8PPTLuG+09e+CRoT8v Uf6A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:from:subject:cc:to:message-id:date; bh=zNuZNlLxgp8VawxdIA7t9yD7/WOzKhtb3d4Jrh44eT0=; b=HiTCDNT0bumbXbz2IqFtQgy11KySRpEPS5BbhMAZXZBxjVT43IAvVFlxkNtmoveh+P vHLq5E+gu0cpvR/DtJDYFtUFVSSqbHllg3C0ELR8wPxE5tr/UVN38CHP79uV2ekiuNxI fo8WDHI24TOit1QvGUrZ8So5oteNePWfxVnlnFJaHImaPy+0WFRAoduLIA9Lm++LSn5l P8EGsVKLNFoF8OyHCHyBiF7dD49HYFBxOms7Qjjczwk4iFDRJWinsd5vXz68Kel6RyDs jvpIX+dtcc3ncSXuzgxQwVbAYK6iroFApT3e2enN2cBRdoUa7SzGODPGKc0tCU2F45S6 9q1Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id d9si3119759pgo.355.2019.08.15.22.18.29; Thu, 15 Aug 2019 22:18:47 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726627AbfHPFRx (ORCPT + 99 others); Fri, 16 Aug 2019 01:17:53 -0400 Received: from shards.monkeyblade.net ([23.128.96.9]:55940 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726371AbfHPFRw (ORCPT ); Fri, 16 Aug 2019 01:17:52 -0400 Received: from localhost (unknown [IPv6:2601:601:9f80:35cd::d71]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 319A5133F18A3; Thu, 15 Aug 2019 22:17:52 -0700 (PDT) Date: Thu, 15 Aug 2019 22:17:49 -0700 (PDT) Message-Id: <20190815.221749.1827065487915332350.davem@davemloft.net> To: hayeswang@realtek.com Cc: netdev@vger.kernel.org, nic_swsd@realtek.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next] r8152: divide the tx and rx bottom functions From: David Miller In-Reply-To: <0835B3720019904CB8F7AA43166CEEB2F18D43A3@RTITMBSVM03.realtek.com.tw> References: <1394712342-15778-301-Taiwan-albertk@realtek.com> <20190815.135851.1942927063321516679.davem@davemloft.net> <0835B3720019904CB8F7AA43166CEEB2F18D43A3@RTITMBSVM03.realtek.com.tw> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Thu, 15 Aug 2019 22:17:52 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Hayes Wang Date: Fri, 16 Aug 2019 02:59:16 +0000 > David Miller [mailto:davem@davemloft.net] >> Sent: Friday, August 16, 2019 4:59 AM > [...] >> Theoretically, yes. >> >> But do you have actual performance numbers showing this to be worth >> the change? >> >> Always provide performance numbers with changes that are supposed to >> improve performance. > > On x86, they are almost the same. > Tx/Rx: 943/943 Mbits/sec -> 945/944 > > For arm platform, > Tx/Rx: 917/917 Mbits/sec -> 933/933 > Improve about 1.74%. Belongs in the commit message.