From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932567AbbLNWCW (ORCPT ); Mon, 14 Dec 2015 17:02:22 -0500 Received: from mail-pf0-f176.google.com ([209.85.192.176]:35911 "EHLO mail-pf0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932292AbbLNWCU (ORCPT ); Mon, 14 Dec 2015 17:02:20 -0500 Subject: Re: [PATCH] arm64: add HAVE_LATENCYTOP_SUPPORT config To: Heiko Carstens , Will Deacon References: <1446825478-24824-1-git-send-email-yalin.wang2010@gmail.com> <20151106160501.GR6087@arm.com> <247F438B-3EEA-4550-970E-A649D0E604ED@gmail.com> <20151106162109.GT6087@arm.com> <20151110074124.GB6672@osiris> <20151110100547.GC31947@arm.com> <20151110110145.GE6672@osiris> <20151110111829.GD31947@arm.com> <20151110113408.GF6672@osiris> Cc: Catalin Marinas , yalin wang , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org From: "Shi, Yang" Message-ID: <566F3C6A.1070704@linaro.org> Date: Mon, 14 Dec 2015 14:02:18 -0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 MIME-Version: 1.0 In-Reply-To: <20151110113408.GF6672@osiris> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 >> 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 >> --- >> 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 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > From mboxrd@z Thu Jan 1 00:00:00 1970 From: yang.shi@linaro.org (Shi, Yang) Date: Mon, 14 Dec 2015 14:02:18 -0800 Subject: [PATCH] arm64: add HAVE_LATENCYTOP_SUPPORT config In-Reply-To: <20151110113408.GF6672@osiris> References: <1446825478-24824-1-git-send-email-yalin.wang2010@gmail.com> <20151106160501.GR6087@arm.com> <247F438B-3EEA-4550-970E-A649D0E604ED@gmail.com> <20151106162109.GT6087@arm.com> <20151110074124.GB6672@osiris> <20151110100547.GC31947@arm.com> <20151110110145.GE6672@osiris> <20151110111829.GD31947@arm.com> <20151110113408.GF6672@osiris> Message-ID: <566F3C6A.1070704@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 >> 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 >> --- >> 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 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >