linux-kernel - [PATCH 5/7] group locking debugging options

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Message-Id: <20130507204649.0188E6DB@viggo.jf.intel.com>
Date:	Tue, 07 May 2013 13:46:49 -0700
From:	Dave Hansen <dave@...1.net>
To:	mmarek@...e.cz
Cc:	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
	Dave Hansen <dave@...1.net>
Subject: [PATCH 5/7] group locking debugging options


From: Dave Hansen <dave@...ux.vnet.ibm.com>

There are quite a few of these, and we want to make sure that
there is one-stop-shopping for lock debugging.

Signed-off-by: Dave Hansen <dave@...ux.vnet.ibm.com>
Signed-off-by: Dave Hansen <dave.hansen@...ux.intel.com>
---

 linux.git-davehans/lib/Kconfig.debug |   16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff -puN lib/Kconfig.debug~order-lock-debugging-options lib/Kconfig.debug
--- linux.git/lib/Kconfig.debug~order-lock-debugging-options	2013-05-07 13:41:38.156522402 -0700
+++ linux.git-davehans/lib/Kconfig.debug	2013-05-07 13:41:38.160522578 -0700
@@ -703,6 +703,8 @@ config DEBUG_PREEMPT
 	  if kernel code uses it in a preemption-unsafe way. Also, the kernel
 	  will detect preemption count underflows.
 
+menu "Lock Debugging (spinlocks, mutexes, etc...)"
+
 config DEBUG_RT_MUTEXES
 	bool "RT Mutex debugging, deadlock detection"
 	depends on DEBUG_KERNEL && RT_MUTEXES
@@ -832,12 +834,6 @@ config DEBUG_LOCKDEP
 	  additional runtime checks to debug itself, at the price
 	  of more runtime overhead.
 
-config TRACE_IRQFLAGS
-	bool
-	help
-	  Enables hooks to interrupt enabling and disabling for
-	  either tracing or lock debugging.
-
 config DEBUG_ATOMIC_SLEEP
 	bool "Sleep inside atomic section checking"
 	select PREEMPT_COUNT
@@ -859,6 +855,14 @@ config DEBUG_LOCKING_API_SELFTESTS
 	  The following locking APIs are covered: spinlocks, rwlocks,
 	  mutexes and rwsems.
 
+endmenu # lock debugging
+
+config TRACE_IRQFLAGS
+	bool
+	help
+	  Enables hooks to interrupt enabling and disabling for
+	  either tracing or lock debugging.
+
 config STACKTRACE
 	bool
 	depends on STACKTRACE_SUPPORT
_
--
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