source "lib/Kconfig.debug"
-config EARLY_PRINTK
- bool "Early printk"
- depends on EMBEDDED && DEBUG_KERNEL
- default n
- help
- Write kernel log output directly into the VGA buffer or to a serial
- port.
-
- This is useful for kernel debugging when your machine crashes very
- early before the console code is initialized. For normal operation
- it is not recommended because it looks ugly and doesn't cooperate
- with klogd/syslogd or the X server. You should normally N here,
- unless you want to debug such a crash.
-
config DEBUG_STACKOVERFLOW
bool "Check for stack overflows"
depends on DEBUG_KERNEL
-config DEBUG_PAGEALLOC
- bool "Page alloc debugging"
- depends on DEBUG_KERNEL
- help
- Unmap pages from the kernel linear mapping after free_pages().
- This results in a large slowdown, but helps to find certain types
- of memory corruptions.
-
config GDBSTUB
bool "Remote GDB kernel debugging"
depends on DEBUG_KERNEL