[tip:core/urgent] lockdep: Select frame pointers on x86

tip-bot for Peter Zijlstra
2009-06-12T12:43:19Z

Commit-ID: cac455509f22fede26b04889a8d2199af694a903
Gitweb: http://git.kernel.org/tip/cac455509f22fede26b04889a8d2199af694a903
Author: Peter Zijlstra <a.p.zijlstra@chello.nl>
AuthorDate: Fri, 12 Jun 2009 10:04:01 +0200
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Fri, 12 Jun 2009 14:25:00 +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>
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