1 files changed, 18 insertions, 0 deletions

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 2a9a8759752b..7396f5044397 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1091,6 +1091,8 @@ config PROVE_LOCKING
         select DEBUG_MUTEXES
         select DEBUG_RT_MUTEXES if RT_MUTEXES
         select DEBUG_LOCK_ALLOC
+        select LOCKDEP_CROSSRELEASE
+        select LOCKDEP_COMPLETIONS
         select TRACE_IRQFLAGS
         default n
         help
@@ -1160,6 +1162,22 @@ config LOCK_STAT
          CONFIG_LOCK_STAT defines "contended" and "acquired" lock events.
          (CONFIG_LOCKDEP defines "acquire" and "release" events.)
 
+config LOCKDEP_CROSSRELEASE
+        bool
+        help
+         This makes lockdep work for crosslock which is a lock allowed to
+         be released in a different context from the acquisition context.
+         Normally a lock must be released in the context acquiring the lock.
+         However, relexing this constraint helps synchronization primitives
+         such as page locks or completions can use the lock correctness
+         detector, lockdep.
+
+config LOCKDEP_COMPLETIONS
+        bool
+        help
+         A deadlock caused by wait_for_completion() and complete() can be
+         detected by lockdep using crossrelease feature.
+
 config DEBUG_LOCKDEP
         bool "Lock dependency engine debugging"
         depends on DEBUG_KERNEL && LOCKDEP