linux-kernel - Re: [PATCH v6 9/9] LoongArch: Enable CONFIG_KALLSYMS_ALL and CONFIG_DEBUG

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Message-ID: <CAAhV-H693q0Kdvpu2ACR7nKxN13svLr3Gc0TVhuB+hAh_3eSzQ@mail.gmail.com>
Date:   Tue, 15 Nov 2022 18:56:20 +0800
From:   Huacai Chen <chenhuacai@...nel.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Qing Zhang <zhangqing@...ngson.cn>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ingo Molnar <mingo@...hat.com>, loongarch@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 9/9] LoongArch: Enable CONFIG_KALLSYMS_ALL and CONFIG_DEBUG_FS

On Tue, Nov 15, 2022 at 4:48 PM Arnd Bergmann <arnd@...db.de> wrote:
>
> On Tue, Nov 15, 2022, at 09:31, Huacai Chen wrote:
> >
> > I suggest not enabling debug mechanisms in the default config file,
> > distribution configs can make their own decisions.
>
> CONFIG_KALLSYMS_ALL and CONFIG_DEBUG_FS are rather fundamental, and
> are enabled in most other architectures as well. I would recommend
> everything that is needed to run on the most common hardware
> configurations and that is needed for booting into a general-purpose
> distribution, but not much beyond that.
>
> Other options like CONFIG_DEBUG_INFO and CONFIG_DEBUG_KERNEL (including
> options based on it) are probably better left disabled though, those
> are the ones with a significant runtime or buld-time overhead.
OK, got it.

Huacai
>
>       Arnd