linux-kernel - [PATCH v2] lockdep: Make LOCKDEP_CROSSRELEASE configs all part of PROVE

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Message-Id: <1502957199-12156-1-git-send-email-byungchul.park@lge.com>
Date:   Thu, 17 Aug 2017 17:06:39 +0900
From:   Byungchul Park <byungchul.park@....com>
To:     peterz@...radead.org, mingo@...nel.org
Cc:     linux-kernel@...r.kernel.org, kernel-team@....com
Subject: [PATCH v2] lockdep: Make LOCKDEP_CROSSRELEASE configs all part of PROVE_LOCKING

Crossrelease added LOCKDEP_CROSSRELEASE and LOCKDEP_COMPLETE configs. It
makes little sense to enable them when PROVE_LOCKING is disabled.

Make them non-interative option and all part of PROVE_LOCKING.

Signed-off-by: Byungchul Park <byungchul.park@....com>
---
 lib/Kconfig.debug | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index ee9e534..84bb4c5 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1084,6 +1084,8 @@ config PROVE_LOCKING
 	select DEBUG_MUTEXES
 	select DEBUG_RT_MUTEXES if RT_MUTEXES
 	select DEBUG_LOCK_ALLOC
+	select LOCKDEP_CROSSRELEASE
+	select LOCKDEP_COMPLETE
 	select TRACE_IRQFLAGS
 	default n
 	help
@@ -1155,8 +1157,6 @@ config LOCK_STAT
 
 config LOCKDEP_CROSSRELEASE
 	bool "Lock debugging: make lockdep work for crosslocks"
-	depends on PROVE_LOCKING
-	default n
 	help
 	 This makes lockdep work for crosslock which is a lock allowed to
 	 be released in a different context from the acquisition context.
@@ -1167,9 +1167,6 @@ config LOCKDEP_CROSSRELEASE
 
 config LOCKDEP_COMPLETE
 	bool "Lock debugging: allow completions to use deadlock detector"
-	depends on PROVE_LOCKING
-	select LOCKDEP_CROSSRELEASE
-	default n
 	help
 	 A deadlock caused by wait_for_completion() and complete() can be
 	 detected by lockdep using crossrelease feature.
-- 
1.9.1