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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 71902CA9ED3 for ; Tue, 5 Nov 2019 01:08:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 492FB20848 for ; Tue, 5 Nov 2019 01:08:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729796AbfKEBIn (ORCPT ); Mon, 4 Nov 2019 20:08:43 -0500 Received: from mail-io1-f65.google.com ([209.85.166.65]:42208 "EHLO mail-io1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728602AbfKEBIm (ORCPT ); Mon, 4 Nov 2019 20:08:42 -0500 Received: by mail-io1-f65.google.com with SMTP id k1so20708498iom.9 for ; Mon, 04 Nov 2019 17:08:42 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=3iKTK9NDRXcOl8sogEDKyOwVRxBdTkLL2PgDkaYWwME=; b=IsuJVeEUkSREle8ufiI2DRTQgLxzHJktbRhAy9Cw85+tsTqlsI7enIqKfR3FTsW5xz 5/+abrRt81IOcesFRqh7FvTx+goEnewQ50nTGVO1QGv9f8Cy272s3M+SchqjjMnlCnMB MU4xcsAvR+vczoM17zSXJu2GiyYdHzKaRyEXYCYmS3xQQyY6LO4BvBBjbhjtRmhvixZV wmxBLFmZIAJ5xPdBsyxtzIBXiqzDQqan25leMqodnh0ZCQOtWDgwvxsQ9lvEW60bfFhC ciKKKGsIX8OnSYrmqo/TBkkPMVSFqo7mlza2dfYt0QH+cwvqV6DeswSbyHi6B9Fb6vNG zwlw== X-Gm-Message-State: APjAAAWd357iGxujEJMaCKfYe0mWIHDTUC2dqcAc0xNo3KRJFmuVFWK1 HCh1q4YklX4tjIS8JmzZC0D60013PjxFpxDmGyM= X-Google-Smtp-Source: APXvYqzBYYv65fxO8N5aeRHVeHEu8yJeXGRSJoXCOZBt8mBZOzrrM8tEq6oC3yfr2/+3zX4LCA17avgyu0zHO1Bo/Lo= X-Received: by 2002:a5d:9b0f:: with SMTP id y15mr12428908ion.35.1572916121938; Mon, 04 Nov 2019 17:08:41 -0800 (PST) MIME-Version: 1.0 References: <1572758417-29265-1-git-send-email-chenhc@lemote.com> <20191104190330.hpzuqsyh5j5tkr4p@lantea.localdomain> In-Reply-To: <20191104190330.hpzuqsyh5j5tkr4p@lantea.localdomain> From: Huacai Chen Date: Tue, 5 Nov 2019 09:14:22 +0800 Message-ID: Subject: Re: [PATCH 1/3] MIPS: Loongson: Remove Loongson-2E/2F support To: Paul Burton Cc: Ralf Baechle , James Hogan , Paul Burton , Linux MIPS Mailing List , "open list:MIPS" , Fuxin Zhang , Zhangjin Wu Content-Type: text/plain; charset="UTF-8" Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Hi, Paul On Tue, Nov 5, 2019 at 3:03 AM Paul Burton wrote: > > Hi Huacai, > > On Sun, Nov 03, 2019 at 01:20:15PM +0800, Huacai Chen wrote: > > Loongson-2E/2F is old, inactive and a bit ugly, so let's remove them > > and the world will be more comfortable. > > > > Old: > > Products with Loongson-2E/2F are more than ten years old, there is no > > new products. > > > > Inactive: > > There are not any updates for a long time, and the maintainer (Jiaxun > > Yang) focuses on Loongson-3 now. > > Jiaxun just made changes to the 2E/2F code just a couple of weeks ago to > separate it from other Loongson64 support & clean it up - he also > indicated at the same time that he intends to contiue maintaining this > code [1]. > > > Ugly: > > Loongson-2E/2F are not compatible with regular MIPS, e.g., ebase, cache > > flush method and tlb refill handler. > > Sadly "quirks" like this aren't solely the domain of Loongson 2E/2F > machines, so this isn't an unusual burden. > > > Linux-5.4.x is a LTS release, I think it is the suitable time to remove > > Loongson-2E/2F. > > I disagree - Jiaxun says he's happy to maintain the platform & has > recently been working on it. I'm not going to remove it & deny him that > chance. If it does indeed become unmaintained then sure let's drop it, > but that doesn't seem to be the case here. > OK, I will keep Loongson-2E/2F in the kernel, and please review my other patches. Thanks. Huacai > Thanks, > Paul > > [1] https://lore.kernel.org/linux-mips/AF48876C-308C-46AD-B7B4-77BFA2413EDE@flygoat.com/