menu "Kernel hacking" source "lib/Kconfig.debug" config DEBUG_STACKOVERFLOW bool "Check for stack overflows" depends on DEBUG_KERNEL help This option will cause messages to be printed if free stack space drops below a certain limit. config KPROBES bool "Kprobes" depends on DEBUG_KERNEL help Kprobes allows you to trap at almost any kernel address and execute a callback function. register_kprobe() establishes a probepoint and specifies the callback. Kprobes is useful for kernel debugging, non-intrusive instrumentation and testing. If in doubt, say "N". config DEBUG_STACK_USAGE bool "Stack utilization instrumentation" depends on DEBUG_KERNEL help Enables the display of the minimum amount of free stack which each task has ever had available in the sysrq-T and sysrq-P debug output. This option will slow down process creation somewhat. config DEBUGGER bool "Enable debugger hooks" depends on DEBUG_KERNEL help Include in-kernel hooks for kernel debuggers. Unless you are intending to debug the kernel, say N here. config XMON bool "Include xmon kernel debugger" depends on DEBUGGER && !PPC_ISERIES help Include in-kernel hooks for the xmon kernel monitor/debugger. Unless you are intending to debug the kernel, say N here. config XMON_DEFAULT bool "Enable xmon by default" depends on XMON config PPCDBG bool "Include PPCDBG realtime debugging" depends on DEBUG_KERNEL config IRQSTACKS bool "Use separate kernel stacks when processing interrupts" help If you say Y here the kernel will use separate kernel stacks for handling hard and soft interrupts. This can help avoid overflowing the process kernel stacks. endmenu