linux-kernel - [PATCH][GIT PULL][v2.6.39] ftrace: Build without frame pointers on Microblaze

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Message-ID: <1303395443.7181.121.camel@gandalf.stny.rr.com>
Date:	Thu, 21 Apr 2011 10:17:23 -0400
From:	Steven Rostedt <rostedt@...dmis.org>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Michal Simek <monstr@...str.eu>, Ingo Molnar <mingo@...e.hu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: [PATCH][GIT PULL][v2.6.39] ftrace: Build without frame pointers on
 Microblaze


Ingo,

Please pull the latest tip/perf/urgent tree, which can be found at:

  git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace.git
tip/perf/urgent


Michal Simek (1):
      ftrace: Build without frame pointers on Microblaze

----
 kernel/trace/Kconfig |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---------------------------
commit d20ac252821ab9780ddf00b95629547d3cebc857
Author: Michal Simek <monstr@...str.eu>
Date:   Mon Apr 4 11:20:12 2011 +0200

    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>

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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