diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig | 7 | ||||
| -rw-r--r-- | lib/Kconfig.debug | 10 |
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 && \ |