1 menu "Kernel hacking"
3 config TRACE_IRQFLAGS_SUPPORT
5 default y
7 source "lib/Kconfig.debug"
9 config 4KSTACKS
10 bool "Use 4Kb for kernel stacks instead of 8Kb"
11 depends on DEBUG_KERNEL
13 If you say Y here the kernel will use a 4Kb stacksize for the
14 kernel stack attached to each process/thread. This facilitates
15 running more threads on a system and also reduces the pressure
16 on the VM subsystem for higher order allocations. This option
17 will also use IRQ stacks to compensate for the reduced stackspace.
19 config METAG_FUNCTION_TRACE
20 bool "Output Meta real-time trace data for function entry/exit"
22 If you say Y here the kernel will use the Meta hardware trace
23 unit to output information about function entry and exit that
24 can be used by a debugger for profiling and call-graphs.
26 config METAG_POISON_CATCH_BUFFERS
27 bool "Poison catch buffer contents on kernel entry"
29 If you say Y here the kernel will write poison data to the
30 catch buffer registers on kernel entry. This will make any
31 problem with catch buffer handling much more apparent.
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