From: Ingo Molnar enable LOCKDEP_SUPPORT on x86_64. Signed-off-by: Ingo Molnar Cc: Andi Kleen Signed-off-by: Andrew Morton --- arch/x86_64/Kconfig | 4 ++++ 1 file changed, 4 insertions(+) diff -puN arch/x86_64/Kconfig~lockdep-enable-on-x86_64 arch/x86_64/Kconfig --- a/arch/x86_64/Kconfig~lockdep-enable-on-x86_64 +++ a/arch/x86_64/Kconfig @@ -24,6 +24,10 @@ config X86 bool default y +config LOCKDEP_SUPPORT + bool + default y + config STACKTRACE_SUPPORT bool default y _