Received: by 2002:a25:c593:0:0:0:0:0 with SMTP id v141csp2033395ybe; Tue, 3 Sep 2019 07:06:23 -0700 (PDT) X-Google-Smtp-Source: APXvYqzTf7rZQ/Zu8SPFIwYNTfyxVAaeTuDeLlv0iRYijAnH57bOblqSZV7owSI99BiTw+fEwbRn X-Received: by 2002:a17:90a:8d0c:: with SMTP id c12mr148138pjo.133.1567519583119; Tue, 03 Sep 2019 07:06:23 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1567519583; cv=none; d=google.com; s=arc-20160816; b=mcG33c0p7ESrDP1DJhskqTaYsMyoXFAJ67aCgwrL6SNX/hvpx8B3Zew1KFJ2nn3Wi4 EZ/JfVvQHK8ENnDEWVFXWGsifiPgfl8RUtiQ47Erfqmq8J3ajNncp19AVHcIrnMtdjVz O/3JesajvnZEPhnv7tm43+KdUJYuxufRxIbYaTCc3akM0sEGeNeHjpAH4tjNKwV7jxUP G0BWXNEUWatGtcsOcm0FyM5et3EZUHkRVxGwVpUuOdP+JLbRAvENaza+vv65XglAiHp5 ollHi7cAYpiqbXdeQKQnzrWGXC+ClGl3JczXZm3qlG8TshXck3EhV2TOUrid18VQFRkw MJhQ== 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 :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:to:subject; bh=xKOLrbL6uf9oFPtTbYnx1Ezrldd53+9PvZ82ddLBglI=; b=VMuJKhKYuhmRQQtA+aa6TbLOrysGKoQnW8CHlme5SzSs7vLyIdeCNKn8JpJDM0w/6x 4eeE/9ewTF8CH+nLkDOAdhMQE/Jj8sJQGTihVChLifsAyzpYCCZl7cuk2818UWL7LWHu SJO8GFbh7srMkgkLxWK2i/uwP28lWJR6Iuld3sK9qxyLPt2pUfY5tBnbQL5gqJvjv4Uc vjfy9pPj11Ubn4P2Pr3oHLpRar0k3nl6Zi+SWGbw0XT9Gmkwivia/ae+LCTIggv0W//f rAl+j94Fa55DZ/dAEsBeUyBPMmKIS1V434VjYGgaeKSKkOzI3apd2WaEIFMP0i8qT3wZ rpHg== 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 124si14729849pgg.581.2019.09.03.07.06.06; Tue, 03 Sep 2019 07:06:23 -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 S1729272AbfICOFI (ORCPT + 99 others); Tue, 3 Sep 2019 10:05:08 -0400 Received: from www62.your-server.de ([213.133.104.62]:51478 "EHLO www62.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725782AbfICOFI (ORCPT ); Tue, 3 Sep 2019 10:05:08 -0400 Received: from sslproxy05.your-server.de ([78.46.172.2]) by www62.your-server.de with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89_1) (envelope-from ) id 1i59Qf-0004U9-TM; Tue, 03 Sep 2019 16:05:05 +0200 Received: from [178.197.249.19] (helo=pc-63.home) by sslproxy05.your-server.de with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1i59Qf-000CjB-Mh; Tue, 03 Sep 2019 16:05:05 +0200 Subject: Re: [PATCH bpf-next] arm64: bpf: optimize modulo operation To: jerinj@marvell.com, netdev@vger.kernel.org, Alexei Starovoitov , Zi Shen Lim , Catalin Marinas , Will Deacon , Martin KaFai Lau , Song Liu , Yonghong Song , "open list:BPF JIT for ARM64" , "moderated list:ARM64 PORT (AARCH64 ARCHITECTURE)" , open list References: <20190902061448.28252-1-jerinj@marvell.com> From: Daniel Borkmann Message-ID: <4da4bb59-5578-6981-55b7-5dbc4f0a8254@iogearbox.net> Date: Tue, 3 Sep 2019 16:05:04 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <20190902061448.28252-1-jerinj@marvell.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Authenticated-Sender: daniel@iogearbox.net X-Virus-Scanned: Clear (ClamAV 0.100.3/25561/Tue Sep 3 10:24:26 2019) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/2/19 8:14 AM, jerinj@marvell.com wrote: > From: Jerin Jacob > > Optimize modulo operation instruction generation by > using single MSUB instruction vs MUL followed by SUB > instruction scheme. > > Signed-off-by: Jerin Jacob Applied, thanks!