1 # SPDX-License-Identifier: GPL-2.0 !! 1 menu "Kernel hacking"
2 # !! 2
3 config LIGHTWEIGHT_SPINLOCK_CHECK !! 3 source "lib/Kconfig.debug"
4 bool "Enable lightweight spinlock chec !! 4
5 depends on DEBUG_KERNEL && SMP && !DEB !! 5 config BOOTPARAM
6 default y !! 6 bool 'Compiled-in Kernel Boot Parameter'
>> 7
>> 8 config BOOTPARAM_STRING
>> 9 string 'Kernel Boot Parameter'
>> 10 default 'console=ttyS0,19200'
>> 11 depends on BOOTPARAM
>> 12
>> 13 config EARLY_PRINTK
>> 14 bool "Early printk"
>> 15 depends on !(SUN3 || M68000 || COLDFIRE)
7 help 16 help
8 Add checks with low performance impa !! 17 Write kernel log output directly to a serial port.
9 to catch memory overwrites at runtim !! 18 Where implemented, output goes to the framebuffer as well.
10 spinlock debugging you should choose !! 19 PROM console functionality on Sun 3x is not affected by this option.
11 which will detect unitialized spinlo !! 20
12 If unsure say Y here. !! 21 Pass "earlyprintk" on the kernel command line to get a
13 !! 22 boot console.
14 config TLB_PTLOCK !! 23
15 bool "Use page table locks in TLB faul !! 24 This is useful for kernel debugging when your machine crashes very
16 depends on DEBUG_KERNEL && SMP !! 25 early, i.e. before the normal console driver is loaded.
17 default n !! 26 You should normally say N here, unless you want to debug such a crash.
>> 27
>> 28 if !MMU
>> 29
>> 30 config FULLDEBUG
>> 31 bool "Full Symbolic/Source Debugging support"
18 help 32 help
19 Select this option to enable page ta !! 33 Enable debugging symbols on kernel build.
20 fault handler. This ensures that pag !! 34
21 updated consistently on SMP machines !! 35 config HIGHPROFILE
22 loss in performance. !! 36 bool "Use fast second timer for profiling"
>> 37 depends on COLDFIRE
>> 38 help
>> 39 Use a fast secondary clock to produce profiling information.
>> 40
>> 41 config NO_KERNEL_MSG
>> 42 bool "Suppress Kernel BUG Messages"
>> 43 help
>> 44 Do not output any debug BUG messages within the kernel.
>> 45
>> 46 config BDM_DISABLE
>> 47 bool "Disable BDM signals"
>> 48 depends on COLDFIRE
>> 49 help
>> 50 Disable the ColdFire CPU's BDM signals.
>> 51
>> 52 endif
23 53
>> 54 endmenu
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