Re: [PATCH] arm64: add HAVE_LATENCYTOP_SUPPORT config

[Shi, Yang]

Hi folks,

I tried to enable latencytop for arm64 and came across this discussion, 
so any plan about when this will get merged into mainline? 4.5 merge window?

Thanks,
Yang


On 11/10/2015 3:34 AM, Heiko Carstens wrote:
> > 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>
>
>
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