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From:   Huacai Chen <chenhuacai@kernel.org>
Date:   Tue, 15 Nov 2022 18:56:20 +0800
Message-ID: <CAAhV-H693q0Kdvpu2ACR7nKxN13svLr3Gc0TVhuB+hAh_3eSzQ@mail.gmail.com>
Subject: Re: [PATCH v6 9/9] LoongArch: Enable CONFIG_KALLSYMS_ALL and CONFIG_DEBUG_FS
To:     Arnd Bergmann <arnd@arndb.de>
Cc:     Qing Zhang <zhangqing@loongson.cn>,
        Steven Rostedt <rostedt@goodmis.org>,
        Ingo Molnar <mingo@redhat.com>, loongarch@lists.linux.dev,
        linux-kernel@vger.kernel.org
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On Tue, Nov 15, 2022 at 4:48 PM Arnd Bergmann <arnd@arndb.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