objtool: Add CONFIG_STACK_VALIDATION option

[linux-2.6-block.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 8bfd1aca7a3d01a9887700b3f90d1d5697a9dab4..855265621863d8503653fd6d7472511e5d64b8e2 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -342,6 +342,18 @@ config FRAME_POINTER
          larger and slower, but it gives very useful debugging information
          in case of kernel bugs. (precise oopses/stacktraces/warnings)
 
+config STACK_VALIDATION
+       bool "Compile-time stack metadata validation"
+       depends on HAVE_STACK_VALIDATION
+       default n
+       help
+         Add compile-time checks to validate stack metadata, including frame
+         pointers (if CONFIG_FRAME_POINTER is enabled).  This helps ensure
+         that runtime stack traces are more reliable.
+
+         For more information, see
+         tools/objtool/Documentation/stack-validation.txt.
+
 config DEBUG_FORCE_WEAK_PER_CPU
        bool "Force weak per-cpu definitions"
        depends on DEBUG_KERNEL