Messages in this thread Patch in this message | | | Date | Mon, 14 Jul 2014 15:24:16 -0400 | From | Dave Jones <> | Subject | lib: turn CONFIG_STACKTRACE into an actual option. |
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I was puzzled why /proc/$$/stack had disappeared, until I figured out I had disabled the last debug option that did a 'select STACKTRACE'. This patch makes the option show up at config time, so it can be enabled without enabling any of the more heavyweight debug options.
Signed-off-by: Dave Jones <davej@redhat.com>
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 7a638aa3545b..96c64beac12a 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1008,8 +1008,13 @@ config TRACE_IRQFLAGS either tracing or lock debugging. config STACKTRACE - bool + bool "Stack backtrace support" depends on STACKTRACE_SUPPORT + help + This option causes the kernel to create a /proc/pid/stack for + every process, showing its current stack trace. + It is also used by various kernel debugging features that require + stack trace generation. config DEBUG_KOBJECT bool "kobject debugging"
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