From: Changbin Du <changbin.du@xxxxxxxxx> Subject: kernel-hacking: group kernel data structures debugging together Group these similar runtime data structures verification options together. Link: http://lkml.kernel.org/r/20190909144453.3520-4-changbin.du@xxxxxxxxx Signed-off-by: Changbin Du <changbin.du@xxxxxxxxx> Acked-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Tested-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- lib/Kconfig.debug | 24 ++++++++++++++---------- 1 file changed, 14 insertions(+), 10 deletions(-) --- a/lib/Kconfig.debug~hacking-group-kernel-data-structures-debugging-together +++ a/lib/Kconfig.debug @@ -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 _
