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authorDan Streetman <ddstreet@ieee.org>2014-06-04 16:11:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-04 16:54:18 -0700
commitb8cfff68ea9cd7b25f07c1d5bb42567d084fcba3 (patch)
treee0488ef414797332041c857e56a150a69a067c5a /lib
parentc75b53af2f0043aff500af0a6f878497bef41bca (diff)
downloadlinux-b8cfff68ea9cd7b25f07c1d5bb42567d084fcba3.tar.gz
lib/plist.c: make CONFIG_DEBUG_PI_LIST selectable
Change CONFIG_DEBUG_PI_LIST to be user-selectable, and add a title and
description.  Remove the dependency on DEBUG_RT_MUTEXES since they were
changed to use rbtrees, and there are other users of plists now.

Signed-off-by: Dan Streetman <ddstreet@ieee.org>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib')
-rw-r--r--lib/Kconfig.debug15
1 files changed, 10 insertions, 5 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index c2de65045a40..ccca32264748 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -833,11 +833,6 @@ config DEBUG_RT_MUTEXES
 	 This allows rt mutex semantics violations and rt mutex related
 	 deadlocks (lockups) to be detected and reported automatically.
 
-config DEBUG_PI_LIST
-	bool
-	default y
-	depends on DEBUG_RT_MUTEXES
-
 config RT_MUTEX_TESTER
 	bool "Built-in scriptable tester for rt-mutexes"
 	depends on DEBUG_KERNEL && RT_MUTEXES
@@ -1063,6 +1058,16 @@ config DEBUG_LIST
 
 	  If unsure, say N.
 
+config DEBUG_PI_LIST
+	bool "Debug priority linked list manipulation"
+	depends on DEBUG_KERNEL
+	help
+	  Enable this to turn on extended checks in the priority-ordered
+	  linked-list (plist) walking routines.  This checks the entire
+	  list multiple times during each manipulation.
+
+	  If unsure, say N.
+
 config DEBUG_SG
 	bool "Debug SG table operations"
 	depends on DEBUG_KERNEL