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SubjectRe: [PATCH v2] lib: fix kconfig dependency on ARCH_WANT_FRAME_POINTERS
Hi Julian,

On Sun, Mar 28, 2021 at 6:14 AM Julian Braha <julianbraha@gmail.com> wrote:
> When LATENCYTOP is enabled and ARCH_WANT_FRAME_POINTERS
> is disabled, Kbuild gives the following warning:
>
> WARNING: unmet direct dependencies detected for FRAME_POINTER
> Depends on [n]: DEBUG_KERNEL [=y] && (M68K || UML || SUPERH) || ARCH_WANT_FRAME_POINTERS [=n] || MCOUNT [=n]
> Selected by [y]:
> - LATENCYTOP [=y] && DEBUG_KERNEL [=y] && STACKTRACE_SUPPORT [=y] && PROC_FS [=y] && !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86
>
> Depending on ARCH_WANT_FRAME_POINTERS causes a
> recursive dependency error.
> ARCH_WANT_FRAME_POINTERS is to be selected by the architecture,
> and is not supposed to be overridden by other config options.
>
> Signed-off-by: Julian Braha <julianbraha@gmail.com>

Thanks for your patch!

> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -1665,7 +1665,7 @@ config LATENCYTOP
> depends on DEBUG_KERNEL
> depends on STACKTRACE_SUPPORT
> depends on PROC_FS
> - select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM && !ARC && !X86
> + select FRAME_POINTER if MIPS || PPC || S390 || MICROBLAZE || ARM || ARC || X86

s/select/depends on/?

> select KALLSYMS
> select KALLSYMS_ALL
> select STACKTRACE

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

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

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