menu "Kernel hacking"
+config TRACE_IRQFLAGS_SUPPORT
+ bool
+ default y
+
source "lib/Kconfig.debug"
config EARLY_PRINTK
This option will slow down process creation somewhat.
-config STACK_BACKTRACE_COLS
- int "Stack backtraces per line" if DEBUG_KERNEL
- range 1 3
- default 2
- help
- Selects how many stack backtrace entries per line to display.
-
- This can save screen space when displaying traces.
-
comment "Page alloc debug is incompatible with Software Suspend on i386"
depends on DEBUG_KERNEL && SOFTWARE_SUSPEND
option saves about 4k and might cause you much additional grey
hair.
+config DEBUG_PARAVIRT
+ bool "Enable some paravirtualization debugging"
+ default y
+ depends on PARAVIRT && DEBUG_KERNEL
+ help
+ Currently deliberately clobbers regs which are allowed to be
+ clobbered in inlined paravirt hooks, even in native mode.
+ If turning this off solves a problem, then DISABLE_INTERRUPTS() or
+ ENABLE_INTERRUPTS() is lying about what registers can be clobbered.
+
endmenu