Merge branches 'core/debug', 'core/futexes', 'core/locking', 'core/rcu', 'core/signal...

[sfrench/cifs-2.6.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index b0f239e443bc0fbb11a27ee98dbaf4e641d21971..1e3fd3e3436abf6e142c9f0b46cc6993cd19ec38 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -545,6 +545,16 @@ config DEBUG_SG
 
          If unsure, say N.
 
+config DEBUG_NOTIFIERS
+       bool "Debug notifier call chains"
+       depends on DEBUG_KERNEL
+       help
+         Enable this to turn on sanity checking for notifier call chains.
+         This is most useful for kernel developers to make sure that
+         modules properly unregister themselves from notifier chains.
+         This is a relatively cheap check but if you care about maximum
+         performance, say N.
+
 config FRAME_POINTER
        bool "Compile the kernel with frame pointers"
        depends on DEBUG_KERNEL && \