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menu "Kernel hacking" config TRACE_IRQFLAGS_SUPPORT bool default y source "lib/Kconfig.debug" config DEBUG_STACK_USAGE bool "Enable 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 DEBUG_DCFLUSH bool "D-cache flush debugging" depends on SPARC64 && DEBUG_KERNEL config STACK_DEBUG bool "Stack Overflow Detection Support" config MCOUNT bool depends on SPARC64 depends on STACK_DEBUG || FUNCTION_TRACER default y config FRAME_POINTER bool depends on MCOUNT default y config DEBUG_STRICT_USER_COPY_CHECKS bool "Strict copy size checks" depends on DEBUG_KERNEL && !TRACE_BRANCH_PROFILING ---help--- Enabling this option turns a certain set of sanity checks for user copy operations into compile time failures. 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. endmenu |