linux-kernel - Re: [PATCH V4 8/8] riscv: Add config of thread stack size

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Message-Id: <5f6e6c39-b846-4392-b468-02202404de28@www.fastmail.com>
Date:   Thu, 22 Sep 2022 07:55:29 +0200
From:   "Arnd Bergmann" <arnd@...db.de>
To:     guoren <guoren@...nel.org>
Cc:     "Palmer Dabbelt" <palmer@...osinc.com>,
        "Thomas Gleixner" <tglx@...utronix.de>,
        "Peter Zijlstra" <peterz@...radead.org>,
        "Andy Lutomirski" <luto@...nel.org>,
        "Conor.Dooley" <conor.dooley@...rochip.com>,
        Heiko Stübner <heiko@...ech.de>,
        "Jisheng Zhang" <jszhang@...nel.org>, lazyparser@...il.com,
        falcon@...ylab.org, "Huacai Chen" <chenhuacai@...nel.org>,
        "Anup Patel" <apatel@...tanamicro.com>,
        "Atish Patra" <atishp@...shpatra.org>,
        "Palmer Dabbelt" <palmer@...belt.com>,
        "Paul Walmsley" <paul.walmsley@...ive.com>,
        "Sebastian Andrzej Siewior" <bigeasy@...utronix.de>,
        Linux-Arch <linux-arch@...r.kernel.org>,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org,
        "Guo Ren" <guoren@...ux.alibaba.com>,
        "Andreas Schwab" <schwab@...e.de>
Subject: Re: [PATCH V4 8/8] riscv: Add config of thread stack size

On Wed, Sep 21, 2022, at 12:46 PM, Guo Ren wrote:
> Hi Arnd,
>
> No more coding conventions for the patch, THREAD_ALIGN &
> THREAD_SIZE_ORDER are used by vmlinux.lds.S and common code. So here
> is my considerable version:
>

That's fine with me, it should get the job done.

I still think a way to use 12KB stacks with VMAP_STACK
would be a good addition, but that can come later, and we
may want to do this in an architecture-independent way
when we get there.

    Arnd