linux-kernel - Re: [PATCH v2 05/19] lib/stackdepot: use fixed-sized slots for stack records

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Date:   Fri, 15 Sep 2023 18:46:26 +0200
From:   Andrey Konovalov <andreyknvl@...il.com>
To:     Marco Elver <elver@...gle.com>
Cc:     andrey.konovalov@...ux.dev,
        Alexander Potapenko <glider@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Vlastimil Babka <vbabka@...e.cz>, kasan-dev@...glegroups.com,
        Evgenii Stepanov <eugenis@...gle.com>,
        Oscar Salvador <osalvador@...e.de>,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Andrey Konovalov <andreyknvl@...gle.com>
Subject: Re: [PATCH v2 05/19] lib/stackdepot: use fixed-sized slots for stack records

On Fri, Sep 15, 2023 at 10:56 AM Marco Elver <elver@...gle.com> wrote:
> > --- a/lib/Kconfig
> > +++ b/lib/Kconfig
> > @@ -708,13 +708,19 @@ config ARCH_STACKWALK
> >         bool
> >
> >  config STACKDEPOT
> > -       bool
> > +       bool "Stack depot: stack trace storage that avoids duplication"
> >         select STACKTRACE
> >
> >  config STACKDEPOT_ALWAYS_INIT
> > -       bool
> > +       bool "Always initialize stack depot during early boot"
> >         select STACKDEPOT
>
> This makes both STACKDEPOT and STACKDEPOT_ALWAYS_INIT configurable by
> users: https://www.kernel.org/doc/html/next/kbuild/kconfig-language.html#menu-attributes
>
> Usually the way to add documentation for non-user-configurable options
> is to add text in the "help" section of the config.
>
> I think the change here is not what was intended.

Ah, didn't know about that. Will fix in v3. Thanks!