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* [PATCH] lockdep: require framepointers for x86
@ 2009-03-04 11:48 Peter Zijlstra
  2009-03-04 17:42 ` [tip:core/locking] " Peter Zijlstra
  0 siblings, 1 reply; 2+ messages in thread
From: Peter Zijlstra @ 2009-03-04 11:48 UTC (permalink / raw)
  To: Ingo Molnar; +Cc: lkml, Thomas Gleixner

Subject: lockdep: require framepointers for x86
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Wed Mar 04 12:27:27 CET 2009

Require framepointers for x86, because otherwise we'll be having empty stack
traces, which is useless.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
 lib/Kconfig.debug |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6/lib/Kconfig.debug
===================================================================
--- linux-2.6.orig/lib/Kconfig.debug
+++ linux-2.6/lib/Kconfig.debug
@@ -452,7 +452,7 @@ config LOCKDEP
 	bool
 	depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
 	select STACKTRACE
-	select FRAME_POINTER if !X86 && !MIPS && !PPC
+	select FRAME_POINTER if !MIPS && !PPC
 	select KALLSYMS
 	select KALLSYMS_ALL
 



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2009-03-04 11:48 [PATCH] lockdep: require framepointers for x86 Peter Zijlstra
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