Re: [RFC PATCH 1/2] lib, stackdepot: Add input prompt for STACKDEPOT option.

From: Geert Uytterhoeven
Date: Tue Aug 31 2021 - 11:55:09 EST


Hi Imran,

On Tue, Aug 31, 2021 at 8:28 AM Imran Khan <imran.f.khan@xxxxxxxxxx> wrote:
> So far CONFIG_STACKDEPOT option was being selected by
> features that need STACKDEPOT support for their operations,
> for example KASAN.
> Since next patch makes use of STACKDEPOT to store user tracking
> information for slub debugger and since user tracking info may
> or may not store stack trace for allocating and freeing contexts,
> make STACKDEPOT explicitly configurable.
>
> Signed-off-by: Imran Khan <imran.f.khan@xxxxxxxxxx>

Thanks for your patch!

> ---
> lib/Kconfig | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/lib/Kconfig b/lib/Kconfig
> index 6a6ae5312fa0..7e4b54f48af7 100644
> --- a/lib/Kconfig
> +++ b/lib/Kconfig
> @@ -665,8 +665,9 @@ config ARCH_STACKWALK
> bool
>
> config STACKDEPOT
> - bool
> + def_bool n

Why this change? "n" is the default anyway.

> select STACKTRACE
> + prompt "Enable stackdepot support"
>
> config STACK_HASH_ORDER
> int "stack depot hash size (12 => 4KB, 20 => 1024KB)"

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds