diff options
Diffstat (limited to 'arch/s390/Kconfig.debug')
| -rw-r--r-- | arch/s390/Kconfig.debug | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/arch/s390/Kconfig.debug b/arch/s390/Kconfig.debug index 45e0c6199f36..2b380df95606 100644 --- a/arch/s390/Kconfig.debug +++ b/arch/s390/Kconfig.debug @@ -1,13 +1,25 @@ menu "Kernel hacking" config TRACE_IRQFLAGS_SUPPORT - bool - default y + def_bool y source "lib/Kconfig.debug" +config STRICT_DEVMEM + def_bool y + prompt "Filter access to /dev/mem" + ---help--- + This option restricts access to /dev/mem. If this option is + disabled, you allow userspace access to all memory, including + kernel and userspace memory. Accidental memory access is likely + to be disastrous. + Memory access is required for experts who want to debug the kernel. + + If you are unsure, say Y. + config DEBUG_STRICT_USER_COPY_CHECKS - bool "Strict user copy size checks" + def_bool n + prompt "Strict user copy size checks" ---help--- Enabling this option turns a certain set of sanity checks for user copy operations into compile time warnings. |