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kernel-hacking: group kernel data structures debugging together

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Group these similar runtime data structures verification options
together.

Link: http://lkml.kernel.org/r/20190909144453.3520-4-changbin.du@gmail.com
Signed-off-by: Changbin Du <changbin.du@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Changbin Du 2019-12-06 17:03:48 -08:00 committed by Linus Torvalds
parent ff600a9a69
commit 3be5cbcde9
1 changed files with 14 additions and 10 deletions
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24
lib/Kconfig.debug
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@ -1355,6 +1355,8 @@ config DEBUG_BUGVERBOSE
of the BUG call as well as the EIP and oops trace. This aids
debugging but costs about 70-100K of memory.
menu "Debug kernel data structures"
config DEBUG_LIST
bool "Debug linked list manipulation"
depends on DEBUG_KERNEL || BUG_ON_DATA_CORRUPTION
@ -1394,6 +1396,18 @@ config DEBUG_NOTIFIERS
This is a relatively cheap check but if you care about maximum
performance, say N.
config BUG_ON_DATA_CORRUPTION
bool "Trigger a BUG when data corruption is detected"
select DEBUG_LIST
help
Select this option if the kernel should BUG when it encounters
data corruption in kernel memory structures when they get checked
for validity.
If unsure, say N.
endmenu
config DEBUG_CREDENTIALS
bool "Debug credential management"
depends on DEBUG_KERNEL
@ -2107,16 +2121,6 @@ config MEMTEST
memtest=17, mean do 17 test patterns.
If you are unsure how to answer this question, answer N.
config BUG_ON_DATA_CORRUPTION
bool "Trigger a BUG when data corruption is detected"
select DEBUG_LIST
help
Select this option if the kernel should BUG when it encounters
data corruption in kernel memory structures when they get checked
for validity.
If unsure, say N.
source "samples/Kconfig"
config ARCH_HAS_DEVMEM_IS_ALLOWED