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From:   Arnd Bergmann <arnd@arndb.de>
Date:   Sun, 19 Sep 2021 11:58:59 +0200
Message-ID: <CAK8P3a0xghZKNBWbZ-qUWQVKyus4xqJMhSV_baQO7zKDoTtGQg@mail.gmail.com>
Subject: Re: [PATCH V3 14/22] LoongArch: Add signal handling support
To:     Huacai Chen <chenhuacai@gmail.com>
Cc:     "Eric W. Biederman" <ebiederm@xmission.com>,
        Huacai Chen <chenhuacai@loongson.cn>,
        Arnd Bergmann <arnd@arndb.de>,
        Andy Lutomirski <luto@kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Peter Zijlstra <peterz@infradead.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        David Airlie <airlied@linux.ie>,
        Jonathan Corbet <corbet@lwn.net>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        linux-arch <linux-arch@vger.kernel.org>,
        "open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        Xuefeng Li <lixuefeng@loongson.cn>,
        Yanteng Si <siyanteng@loongson.cn>,
        Jiaxun Yang <jiaxun.yang@flygoat.com>
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On Sat, Sep 18, 2021 at 9:12 AM Huacai Chen <chenhuacai@gmail.com> wrote:
> On Sat, Sep 18, 2021 at 5:10 AM Eric W. Biederman <ebiederm@xmission.com> 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