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menu "Kernel hacking"
config TRACE_IRQFLAGS_SUPPORT
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
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.
The copy_from_user() etc checks are there to help test if there
are sufficient security checks on the length argument of
the copy operation, by having gcc prove that the argument is
within bounds.
If unsure, or if you run an older (pre 4.4) gcc, say N.
config DEBUG_SET_MODULE_RONX
def_bool y
depends on MODULES
endmenu
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