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authorChangbin Du <changbin.du@gmail.com>2019-12-06 17:03:48 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-12-07 11:00:19 -0800
commit3be5cbcde916de526bb3f5ef93f3197e976d3245 (patch)
treeb84366eb805fef06850446890f5644757a43c624
parentff600a9a69be3733718dd9a126437631b7d31252 (diff)
downloadlinux-3be5cbcde916de526bb3f5ef93f3197e976d3245.tar.bz2
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: 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>
-rw-r--r--lib/Kconfig.debug24
1 files changed, 14 insertions, 10 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 2493a03da33b..8526397f0688 100644
--- a/lib/Kconfig.debug
+++ b/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