linux-kernel - [RESEND PATCH v3 3/9] hacking: Group kernel data structures debugging together

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Message-Id: <20191004012010.11287-4-changbin.du@gmail.com>
Date:   Fri,  4 Oct 2019 09:20:04 +0800
From:   Changbin Du <changbin.du@...il.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        linux-kernel@...r.kernel.org, Changbin Du <changbin.du@...il.com>
Subject: [RESEND PATCH v3 3/9] hacking: Group kernel data structures debugging together

Group these similar runtime data structures verification options together.

Signed-off-by: Changbin Du <changbin.du@...il.com>
Acked-by: Randy Dunlap <rdunlap@...radead.org>
Tested-by: Randy Dunlap <rdunlap@...radead.org>
---
 lib/Kconfig.debug | 24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index b29a486db38b..f1de5e79573b 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1357,6 +1357,8 @@ 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
@@ -1396,6 +1398,18 @@ 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
@@ -2091,16 +2105,6 @@ 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
-- 
2.20.1