Commit 3be5cbcd authored by Changbin Du's avatar Changbin Du Committed by Linus Torvalds
Browse files

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@gmail.com


Signed-off-by: default avatarChangbin Du <changbin.du@gmail.com>
Acked-by: default avatarRandy Dunlap <rdunlap@infradead.org>
Tested-by: default avatarRandy Dunlap <rdunlap@infradead.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent ff600a9a

lib/Kconfig.debug

+14 −10
Original line number Diff line number Diff line
@@ -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