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-rw-r--r--lib/Kconfig7
-rw-r--r--lib/Kconfig.debug10
2 files changed, 17 insertions, 0 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index 85cf7ea978a..7823f8342ab 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -157,4 +157,11 @@ config CHECK_SIGNATURE
config HAVE_LMB
boolean
+config CPUMASK_OFFSTACK
+ bool "Force CPU masks off stack" if DEBUG_PER_CPU_MAPS
+ help
+ Use dynamic allocation for cpumask_var_t, instead of putting
+ them on the stack. This is a bit more expensive, but avoids
+ stack overflow.
+
endmenu
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index b0f239e443b..1e3fd3e3436 100644
--- 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 && \