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=-3.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 DDBB8C433EF for ; Sun, 19 Sep 2021 09:59:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BFD9661212 for ; Sun, 19 Sep 2021 09:59:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229867AbhISKAp (ORCPT ); Sun, 19 Sep 2021 06:00:45 -0400 Received: from mout.kundenserver.de ([212.227.126.134]:47209 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229570AbhISKAm (ORCPT ); Sun, 19 Sep 2021 06:00:42 -0400 Received: from mail-wm1-f51.google.com ([209.85.128.51]) by mrelayeu.kundenserver.de (mreue009 [213.165.67.97]) with ESMTPSA (Nemesis) id 1MqatE-1nETsx2yie-00md1Y; Sun, 19 Sep 2021 11:59:15 +0200 Received: by mail-wm1-f51.google.com with SMTP id g19-20020a1c9d13000000b003075062d4daso9982029wme.0; Sun, 19 Sep 2021 02:59:15 -0700 (PDT) X-Gm-Message-State: AOAM533g+/02eU1o8+gb4tNdwD8H+eKMXk/Y2iZLPcR+gcrqFJopemw2 SiChCP+gb2R8rGmhneNkkdp5Z/1dnLawqOaj0ow= X-Google-Smtp-Source: ABdhPJxsiYpMBTO/1b42xob7UzIfMzCj3uxlTG5GOgHmI4N1kFt2G98bvOPQDObG3ehhWKsZ603sNzoyOe6YsUGyCWE= X-Received: by 2002:a1c:4c14:: with SMTP id z20mr24216482wmf.82.1632045555252; Sun, 19 Sep 2021 02:59:15 -0700 (PDT) MIME-Version: 1.0 References: <20210917035736.3934017-1-chenhuacai@loongson.cn> <20210917035736.3934017-15-chenhuacai@loongson.cn> <87tuii52o2.fsf@disp2133> In-Reply-To: From: Arnd Bergmann Date: Sun, 19 Sep 2021 11:58:59 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH V3 14/22] LoongArch: Add signal handling support To: Huacai Chen Cc: "Eric W. Biederman" , Huacai Chen , Arnd Bergmann , Andy Lutomirski , Thomas Gleixner , Peter Zijlstra , Andrew Morton , David Airlie , Jonathan Corbet , Linus Torvalds , linux-arch , "open list:DOCUMENTATION" , LKML , Xuefeng Li , Yanteng Si , Jiaxun Yang Content-Type: text/plain; charset="UTF-8" X-Provags-ID: V03:K1:M4QGaLW8sGv+N9ZkG7UZScaavewX/4WPGr5MLrAfJ/9mLxZlhvP /qLs60mD2YPTJGM0PPMme9qZ1i8t97oT8Z3bguvoG3nA4vXDleImDCuZsTwAZHiJEpaswbm 6fCvyoGbHqCr1fCb+iOyiw3sG/i62VJiGGfjSJbRa9o2zSgCeyVAKCMpFP2u8GbyKOEUXZt WVY/7ZHKhwqxZ5/S1s38w== X-UI-Out-Filterresults: notjunk:1;V03:K0:UdY+7XsgiCY=:9nblT3GytNvc6W8RBaQgSX KAiz9+1nOU5HIoutns4ursP8ZjHftD2nWm+wEMCJhphdSMW+0W7tcweJ3dL4mPGH5Kfl8ciDe VXTeEAdPvLV9X+xtMAwF1hwxs/9cbqNiZeethLCpbfqziR2um3lvVHHlzC3nTQ6aSu/ScVvvb AFWyv74mzzTWVKCiURdq8xEX4m7nX5mS+I3ykiXWQTujTfrL70UPwGDoKMuOBSax1jzmBckth LwflU6KY6CoSSaJn7a4Lrf4BIDt4nLEP8+GU018t5kUhCtPYSTir7Nw5srTfpTUpdh7eH4y3Y HaWkyomq57rcmQTHuKnQA7pJgIaXCkisN5lFaex4P0rZg+fo5kQRcwysIf+kRVY3CAKMDQX4J 3sRAUd7+oCqLILj6KtqkSrPaJvgLBb999dD1Nawpuu2DXpHTHKQ/zr2xm7kIZB62l8Qs7YgPH Rls4kkxrXVXHETxOTz7+cTaaLDU2JV/GLXcAyiIPBuVLgTcsFhINFBVmASom0DzIxTPylrnzN yDoKIxpERHzn97ojBQ5I9oIlypWt5oPT+xa6qzDO5AEEIeMTrFq+5pMG3ywTIg2M9eZwala3M 6NzGfdJUeoiANjQF8hYRT0Lrrlln+9vduF7LGTZvXeNSS75dsiAdJjxtSEIz++YgAnWRI9TOF UBQI20yDKkpyv12SUI0yFAr6M8bST0Ia7tsI+k9bMPThwYrGfVKm7cJoyfmObK9/Qk7pHpHmy 90STlJgvQvDEKUlVQOZdGjBlUJcaC9x6LiNwtkaidp6ejfqLJB9XjPU9LUueG/e/q6L99+Z+S a+muqJJxJVmOlIV27/3I+oCw9MHVX1DEAuTHPG95HUnsrop3VDhnMxu3gdcRU3Jz9ZOJSWNkc TdBXB3V7g7c7RrraGuhw== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Sep 18, 2021 at 9:12 AM Huacai Chen wrote: > On Sat, Sep 18, 2021 at 5:10 AM Eric W. Biederman wrote: > > For example does LoongArch have a version without built in floating > > point support? > > Some of these structures seems need rethinking, But we really have > LoongArch-based MCUs now (no FP, no SMP, and even no MMU). NOMMU Linux is kind-of on the way out as interest is fading, so I hope you don't plan on supporting this in the future. Do you expect to see future products with MMU but no FP or no SMP? Arnd