From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753021Ab3H0Iby (ORCPT ); Tue, 27 Aug 2013 04:31:54 -0400 Received: from kiruna.synopsys.com ([198.182.44.80]:58852 "EHLO kiruna.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752798Ab3H0Ibw (ORCPT ); Tue, 27 Aug 2013 04:31:52 -0400 From: Vineet Gupta To: CC: Vineet Gupta , Dave Hansen , Andrew Morton , "Paul E. McKenney" , Catalin Marinas , Michel Lespinasse Subject: [PATCH] Kconfig.debug: Add FRAME_POINTER anti-dependency for ARC Date: Tue, 27 Aug 2013 14:01:25 +0530 Message-ID: <1377592285-21148-1-git-send-email-vgupta@synopsys.com> X-Mailer: git-send-email 1.8.1.2 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.12.197.132] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Frame pointer on ARC doesn't serve the conventional purpose of stack unwinding due to the typical way ABI designates it's usage. Thus it's explicit usage on ARC is discouraged (gcc is free to use it, for some tricky stack frames even if -fomit-frame-pointer). Hence no point enabling it for ARC. Signed-off-by: Vineet Gupta Cc: Dave Hansen Cc: Andrew Morton Cc: "Paul E. McKenney" Cc: Catalin Marinas Cc: Michel Lespinasse Cc: linux-kernel@vger.kernel.org --- lib/Kconfig.debug | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 1501aa5..c971f3a 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -908,7 +908,7 @@ config LOCKDEP bool depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT select STACKTRACE - select FRAME_POINTER if !MIPS && !PPC && !ARM_UNWIND && !S390 && !MICROBLAZE + select FRAME_POINTER if !MIPS && !PPC && !ARM_UNWIND && !S390 && !MICROBLAZE && !ARC select KALLSYMS select KALLSYMS_ALL @@ -1347,7 +1347,7 @@ config FAULT_INJECTION_STACKTRACE_FILTER depends on FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT depends on !X86_64 select STACKTRACE - select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM_UNWIND + select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM_UNWIND && !ARC help Provide stacktrace filter for fault-injection capabilities @@ -1357,7 +1357,7 @@ config LATENCYTOP depends on DEBUG_KERNEL depends on STACKTRACE_SUPPORT depends on PROC_FS - select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM_UNWIND + select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM_UNWIND && !ARC select KALLSYMS select KALLSYMS_ALL select STACKTRACE -- 1.8.1.2