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From: Huacai Chen <chenhuacai@gmail.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
Huacai Chen <chenhuacai@loongson.cn>,
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>
Subject: Re: [PATCH V3 14/22] LoongArch: Add signal handling support
Date: Mon, 20 Sep 2021 10:36:46 +0800 [thread overview]
Message-ID: <CAAhV-H7A=C3Tujt2YNv1np9pEP_Hxc-chGnOdmDCzx5tUt7F5g@mail.gmail.com> (raw)
In-Reply-To: <CAK8P3a0xghZKNBWbZ-qUWQVKyus4xqJMhSV_baQO7zKDoTtGQg@mail.gmail.com>
Hi, Arnd,
On Sun, Sep 19, 2021 at 5:59 PM Arnd Bergmann <arnd@arndb.de> wrote:
>
> 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?
OK, we will not care no-MMU hardware in Linux, but no-FP and no-SMP
hardware will be supported.
Huacai
>
> Arnd
next prev parent reply other threads:[~2021-09-20 2:37 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-17 3:57 [PATCH V3 00/22] arch: Add basic LoongArch support Huacai Chen
2021-09-17 3:57 ` [PATCH V3 01/22] Documentation: LoongArch: Add basic documentations Huacai Chen
2021-09-23 20:37 ` Pavel Machek
2021-09-24 4:07 ` Huacai Chen
2021-09-23 20:59 ` Pavel Machek
2021-09-24 4:10 ` Huacai Chen
2021-09-24 6:58 ` Pavel Machek
2021-09-24 7:31 ` Huacai Chen
2021-09-17 3:57 ` [PATCH V3 02/22] Documentation/zh_CN: Add basic LoongArch documentations Huacai Chen
2021-09-17 3:57 ` [PATCH V3 03/22] LoongArch: Add elf-related definitions Huacai Chen
2021-09-17 3:57 ` [PATCH V3 04/22] LoongArch: Add writecombine support for drm Huacai Chen
2021-09-17 3:57 ` [PATCH V3 05/22] LoongArch: Add build infrastructure Huacai Chen
2021-09-17 7:53 ` Arnd Bergmann
2021-09-18 4:35 ` Huacai Chen
2021-09-17 3:57 ` [PATCH V3 06/22] LoongArch: Add CPU definition headers Huacai Chen
2021-09-17 3:57 ` [PATCH V3 07/22] LoongArch: Add atomic/locking headers Huacai Chen
2021-09-17 3:57 ` [PATCH V3 08/22] LoongArch: Add other common headers Huacai Chen
2021-09-17 3:57 ` [PATCH V3 09/22] LoongArch: Add boot and setup routines Huacai Chen
2021-09-17 8:11 ` Arnd Bergmann
2021-09-18 4:54 ` Huacai Chen
2021-09-17 3:57 ` [PATCH V3 10/22] LoongArch: Add exception/interrupt handling Huacai Chen
2021-09-17 3:57 ` [PATCH V3 11/22] LoongArch: Add process management Huacai Chen
2021-09-17 3:57 ` [PATCH V3 12/22] LoongArch: Add memory management Huacai Chen
2021-09-17 3:57 ` [PATCH V3 13/22] LoongArch: Add system call support Huacai Chen
2021-09-17 8:24 ` Arnd Bergmann
2021-09-18 6:55 ` Huacai Chen
2021-09-17 3:57 ` [PATCH V3 14/22] LoongArch: Add signal handling support Huacai Chen
2021-09-17 8:26 ` Arnd Bergmann
2021-09-17 21:10 ` Eric W. Biederman
2021-09-18 7:12 ` Huacai Chen
2021-09-19 9:58 ` Arnd Bergmann
2021-09-20 2:36 ` Huacai Chen [this message]
2021-09-20 21:14 ` Richard Henderson
2021-09-22 2:43 ` Huacai Chen
2021-09-17 3:57 ` [PATCH V3 15/22] LoongArch: Add elf and module support Huacai Chen
2021-09-17 8:28 ` Arnd Bergmann
2021-09-18 7:14 ` Huacai Chen
2021-09-17 3:57 ` [PATCH V3 16/22] LoongArch: Add misc common routines Huacai Chen
2021-09-17 6:10 ` Christoph Hellwig
2021-09-17 6:36 ` Huacai Chen
2021-09-17 3:57 ` [PATCH V3 17/22] LoongArch: Add some library functions Huacai Chen
2021-09-17 8:33 ` Arnd Bergmann
2021-09-18 7:16 ` Huacai Chen
2021-09-17 3:57 ` [PATCH V3 18/22] LoongArch: Add PCI controller support Huacai Chen
2021-09-17 9:02 ` Arnd Bergmann
2021-09-18 7:36 ` Huacai Chen
2021-09-21 22:36 ` Bjorn Helgaas
2021-09-22 15:33 ` Arnd Bergmann
2021-09-17 3:57 ` [PATCH V3 19/22] LoongArch: Add VDSO and VSYSCALL support Huacai Chen
2021-09-17 3:57 ` [PATCH V3 20/22] LoongArch: Add multi-processor (SMP) support Huacai Chen
2021-09-17 9:57 ` Arnd Bergmann
2021-09-18 7:22 ` Huacai Chen
2021-09-17 3:57 ` [PATCH V3 21/22] LoongArch: Add Non-Uniform Memory Access (NUMA) support Huacai Chen
2021-09-17 6:15 ` Christoph Hellwig
2021-09-17 6:40 ` Huacai Chen
2021-09-17 3:57 ` [PATCH V3 22/22] LoongArch: Add Loongson-3 default config file Huacai Chen
2021-09-17 9:59 ` [PATCH V3 00/22] arch: Add basic LoongArch support Arnd Bergmann
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