linux-kernel - [tip:perf/urgent] ftrace: Build without frame pointers on Microblaze

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Message-ID: <tip-d20ac252821ab9780ddf00b95629547d3cebc857@git.kernel.org>
Date:	Wed, 27 Apr 2011 15:57:47 GMT
From:	tip-bot for Michal Simek <monstr@...str.eu>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	fweisbec@...il.com, rostedt@...dmis.org, monstr@...str.eu,
	tglx@...utronix.de
Subject: [tip:perf/urgent] ftrace: Build without frame pointers on Microblaze

Commit-ID:  d20ac252821ab9780ddf00b95629547d3cebc857
Gitweb:     http://git.kernel.org/tip/d20ac252821ab9780ddf00b95629547d3cebc857
Author:     Michal Simek <monstr@...str.eu>
AuthorDate: Mon, 4 Apr 2011 11:20:12 +0200
Committer:  Steven Rostedt <rostedt@...dmis.org>
CommitDate: Thu, 21 Apr 2011 09:06:24 -0400

ftrace: Build without frame pointers on Microblaze

Microblaze doesn't need/support FRAME_POINTERS in order to have a working
function tracer.

The patch remove Kconfig warning.

Warning log:
warning: (LOCKDEP && FAULT_INJECTION_STACKTRACE_FILTER && LATENCYTOP &&
FUNCTION_TRACER && KMEMCHECK) selects FRAME_POINTER which has unmet direct
dependencies (DEBUG_KERNEL && (CRIS || M68K || FRV || UML || AVR32 ||
SUPERH || BLACKFIN || MN10300) || ARCH_WANT_FRAME_POINTERS)

Signed-off-by: Michal Simek <monstr@...str.eu>
Link: http://lkml.kernel.org/r/1301908812-8119-2-git-send-email-monstr@monstr.eu
CC: Frederic Weisbecker <fweisbec@...il.com>
CC: Ingo Molnar <mingo@...hat.com>
Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
---
 kernel/trace/Kconfig |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 61d7d59f..2ad39e5 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -141,7 +141,7 @@ if FTRACE
 config FUNCTION_TRACER
 	bool "Kernel Function Tracer"
 	depends on HAVE_FUNCTION_TRACER
-	select FRAME_POINTER if !ARM_UNWIND && !S390
+	select FRAME_POINTER if !ARM_UNWIND && !S390 && !MICROBLAZE
 	select KALLSYMS
 	select GENERIC_TRACER
 	select CONTEXT_SWITCH_TRACER
--
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