From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) by sourceware.org (Postfix) with ESMTPS id 285F83858C83 for ; Sat, 29 Oct 2022 03:18:23 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 285F83858C83 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-pj1-x102f.google.com with SMTP id o7so2973314pjj.1 for ; Fri, 28 Oct 2022 20:18:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=erV0+F3fTNsK1PNtG1nRbkemw+GeZw5XitlHE3zXWcI=; b=EO8SiALIXjPvRN/FLon/tI16SR0zv7gHzyUUzo89C0vuhyDoJfEHO0ZiqKXsBcjM1/ h7G8Svmd5qRmLpVnnB51TNBqNxTSV7deWTTVVhfjawrkPljtcIWe6WmAHp1uHeT41Kne LpCuHfhqIEghNdU1+0dHq2Z7xkjlB5IyA+gubzRjxsncwggM4fV7d0yG5IqxjPxCvGeB f18sq6dA33KMJOLgorxp1ERAADE1o4qKiMJCSERTNglGbFyM+VEulOMn5Z5pRIjNv3NE ndKM/LUGuoQKNVP/Aa43E1V9dOlwqkTZCak0XBURq69fPSEVFLN0fYlYgt7COQBCXCdD nitA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=erV0+F3fTNsK1PNtG1nRbkemw+GeZw5XitlHE3zXWcI=; b=XM5bU4YG5meqhcRVwHPQtPWxWpqLkMAJTQ8ISwAtOJExOVc7GSNhDrCVovzNMPHHEb bQkDKz7HSicj0HfvOT/JuEj5WmxVrcSEcXXtQx7ifweO7COKIhGrZFGq5cajxfI2ucnv up4M+b+ddgmJFi/z4EOyvzbmMmt8vfWGRnwt2eDdKXDUFKK710SywdNDkbk/8eTZYpYF jh2ZsIZrd8lqTu19UTIMRoMuj2HsGrEkFibxjL27lOm4rgBDOwBvs1hDArdhgNMnmeE7 yFukKj+AhlSRHjarc2y0dQavIadnMUq9TIPq+Bkxkk5SbbLYk6hAAI/bmR7F2soe4sJU /CAg== X-Gm-Message-State: ACrzQf0w1yWWSXnwLu3ftZnUwcReGs/9Tm6K9LZ2oadsR5gVNTHe9qBF fIE3FqbgKKcCP66bWvm25YQ= X-Google-Smtp-Source: AMsMyM5WBRnHnhlnD1c7p6xpHRm+8Z0Zht3eAhbA/MJLPibAYfD4O1zuoGXiQX6Ha54BmEiXLjtbGw== X-Received: by 2002:a17:902:8542:b0:179:eb8d:f41d with SMTP id d2-20020a170902854200b00179eb8df41dmr2330909plo.62.1667013502013; Fri, 28 Oct 2022 20:18:22 -0700 (PDT) Received: from ?IPV6:2601:681:8600:13d0::f0a? ([2601:681:8600:13d0::f0a]) by smtp.gmail.com with ESMTPSA id z14-20020aa79f8e000000b0056b95260b91sm191670pfr.67.2022.10.28.20.18.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 28 Oct 2022 20:18:21 -0700 (PDT) Message-ID: <429f5e99-249b-28fa-5652-21c0b59c8e00@gmail.com> Date: Fri, 28 Oct 2022 21:18:20 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.3.1 Subject: Re: [PATCH v2] RISC-V: Libitm add RISC-V support. Content-Language: en-US To: Xi Ruoyao , Palmer Dabbelt , gcc-patches@gcc.gnu.org Cc: fantasquex@gmail.com, Andrew Waterman References: From: Jeff Law In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On 10/27/22 22:23, Xi Ruoyao via Gcc-patches wrote: > On Thu, 2022-10-27 at 17:44 -0700, Palmer Dabbelt wrote: >> though I don't have an opinion on whether libitm should be taking ports >> to new targets, I'd never even heard of it before. > I asked this question to myself when I reviewed LoongArch libitm port. > But I remember one maintainer of Deepin (a distro) has complained that > some packages were depending on libitm (and/or libvtv).+++ I thought libitm had generic code to work if the target didn't provide an implementation.  But looking more closely I see that is not the case.  So yea, I guess cobbling together the most straightforward implementation as possible makes sense. Jeff