lockdep: Select frame pointers on x86

commit 00540e5d54be972a94a3b2ce6da8621bebe731a2 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 1bcf9cd4baa08a85633e5758721b7ef21f4df787..a0879b2e8b6bf216c9d25ebbb5a772bc543fb4c7 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -402,7 +402,7 @@ 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