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lockdep: Select frame pointers on x86

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From: Linux Kernel Mailing List
Subject: lockdep: Select frame pointers on x86
Date: Sunday, June 21, 2009 - 1:59 pm

Gitweb:     http://git.kernel.org/linus/00540e5d54be972a94a3b2ce6da8621bebe731a2
Commit:     00540e5d54be972a94a3b2ce6da8621bebe731a2
Parent:     aa010efb7b6cd0dfbea8ecf37a6ab587dc2a8560
Author:     Peter Zijlstra <a.p.zijlstra@chello.nl>
AuthorDate: Fri Jun 12 10:04:01 2009 +0200
Committer:  Ingo Molnar <mingo@elte.hu>
CommitDate: Sun Jun 21 10:14:33 2009 +0200

    lockdep: Select frame pointers on x86
    
    x86 stack traces are a piece of crap without frame pointers, and its not
    like the 'performance gain' of not having stack pointers matters when you
    selected lockdep.
    
    Reported-by: Andrew Morton <akpm@linux-foundation.org>
    LKML-Reference: <new-submission>
    Cc: <stable@kernel.org>
    Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
    Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 lib/Kconfig.debug |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 6cdcf38..3be4b7c 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -440,7 +440,7 @@ config LOCKDEP
 	bool
 	depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
 	select STACKTRACE
-	select FRAME_POINTER if !X86 && !MIPS && !PPC && !ARM_UNWIND && !S390
+	select FRAME_POINTER if !MIPS && !PPC && !ARM_UNWIND && !S390
 	select KALLSYMS
 	select KALLSYMS_ALL
 
--


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