Re: [PATCH] arm64: add HAVE_LATENCYTOP_SUPPORT config

From: Heiko Carstens
Date: Tue Nov 10 2015 - 06:34:19 EST


> From: Will Deacon <will.deacon@xxxxxxx>
> Date: Tue, 10 Nov 2015 11:10:04 +0000
> Subject: [PATCH] Kconfig: remove HAVE_LATENCYTOP_SUPPORT
>
> As illustrated by a3afe70b83fd ("[S390] latencytop s390 support."),
> HAVE_LATENCYTOP_SUPPORT is defined by an architecture to advertise an
> implementation of save_stack_trace_tsk.
>
> However, as of 9212ddb5eada ("stacktrace: provide save_stack_trace_tsk()
> weak alias") a dummy implementation is provided if STACKTRACE=y.
> Given that LATENCYTOP already depends on STACKTRACE_SUPPORT and selects
> STACKTRACE, we can remove HAVE_LATENCYTOP_SUPPORT altogether.
>
> Signed-off-by: Will Deacon <will.deacon@xxxxxxx>
> ---
> arch/arc/Kconfig | 3 ---
> arch/arm/Kconfig | 5 -----
> arch/metag/Kconfig | 3 ---
> arch/microblaze/Kconfig | 3 ---
> arch/parisc/Kconfig | 3 ---
> arch/powerpc/Kconfig | 3 ---
> arch/s390/Kconfig | 3 ---
> arch/sh/Kconfig | 3 ---
> arch/sparc/Kconfig | 4 ----
> arch/unicore32/Kconfig | 3 ---
> arch/x86/Kconfig | 3 ---
> lib/Kconfig.debug | 1 -
> 12 files changed, 37 deletions(-)

Acked-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/