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 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" if EMBEDDED
>> 15 depends on MVME16x || MAC
6 default y 16 default y
7 help 17 help
8 Add checks with low performance impa !! 18 Write kernel log output directly to a serial port.
9 to catch memory overwrites at runtim !! 19
10 spinlock debugging you should choose !! 20 This is useful for kernel debugging when your machine crashes very
11 which will detect unitialized spinlo !! 21 early before the console code is initialized.
12 If unsure say Y here. !! 22 You should normally say N here, unless you want to debug such a crash.
13 !! 23
14 config TLB_PTLOCK !! 24 if !MMU
15 bool "Use page table locks in TLB faul !! 25
16 depends on DEBUG_KERNEL && SMP !! 26 config FULLDEBUG
17 default n !! 27 bool "Full Symbolic/Source Debugging support"
>> 28 help
>> 29 Enable debugging symbols on kernel build.
>> 30
>> 31 config HIGHPROFILE
>> 32 bool "Use fast second timer for profiling"
>> 33 depends on COLDFIRE
>> 34 help
>> 35 Use a fast secondary clock to produce profiling information.
>> 36
>> 37 config NO_KERNEL_MSG
>> 38 bool "Suppress Kernel BUG Messages"
18 help 39 help
19 Select this option to enable page ta !! 40 Do not output any debug BUG messages within the kernel.
20 fault handler. This ensures that pag !! 41
21 updated consistently on SMP machines !! 42 config BDM_DISABLE
22 loss in performance. !! 43 bool "Disable BDM signals"
>> 44 depends on COLDFIRE
>> 45 help
>> 46 Disable the ColdFire CPU's BDM signals.
>> 47
>> 48 endif
23 49
>> 50 endmenu
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