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From: yang.shi@linaro.org (Shi, Yang)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64: add HAVE_LATENCYTOP_SUPPORT config
Date: Mon, 14 Dec 2015 14:02:18 -0800	[thread overview]
Message-ID: <566F3C6A.1070704@linaro.org> (raw)
In-Reply-To: <20151110113408.GF6672@osiris>

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@arm.com>
>> 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@arm.com>
>> ---
>>   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@de.ibm.com>
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>

  reply	other threads:[~2015-12-14 22:02 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-06 15:57 [PATCH] arm64: add HAVE_LATENCYTOP_SUPPORT config yalin wang
2015-11-06 16:05 ` Will Deacon
2015-11-06 16:11   ` yalin wang
2015-11-06 16:21     ` Will Deacon
2015-11-10  7:41       ` Heiko Carstens
2015-11-10 10:05         ` Will Deacon
2015-11-10 11:01           ` Heiko Carstens
2015-11-10 11:18             ` Will Deacon
2015-11-10 11:24               ` yalin wang
2015-11-10 11:34               ` Heiko Carstens
2015-12-14 22:02                 ` Shi, Yang [this message]
2015-12-15  9:48                   ` Will Deacon

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