ftrace: add quick function trace stop

[firefly-linux-kernel-4.4.55.git] / kernel / trace / Kconfig

diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 33dbefd471e88f9571f299f92b433188dd6697de..fc4febc3334a5c7f013985cf2db13b7ba3db4387 100644 (file)
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -9,6 +9,13 @@ config NOP_TRACER
 config HAVE_FUNCTION_TRACER
        bool
 
+config HAVE_FUNCTION_TRACE_MCOUNT_TEST
+       bool
+       help
+        This gets selected when the arch tests the function_trace_stop
+        variable at the mcount call site. Otherwise, this variable
+        is tested by the called function.
+
 config HAVE_DYNAMIC_FTRACE
        bool