From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752129AbeC0VjG (ORCPT ); Tue, 27 Mar 2018 17:39:06 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:41626 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751220AbeC0Vio (ORCPT ); Tue, 27 Mar 2018 17:38:44 -0400 From: Waiman Long To: Ingo Molnar , Peter Zijlstra , Thomas Gleixner Cc: linux-kernel@vger.kernel.org, Davidlohr Bueso , Waiman Long Subject: [PATCH v3 2/2] locking/debug: Add a master lock debugging switch Date: Tue, 27 Mar 2018 17:38:10 -0400 Message-Id: <1522186690-10526-3-git-send-email-longman@redhat.com> In-Reply-To: <1522186690-10526-1-git-send-email-longman@redhat.com> References: <1522186690-10526-1-git-send-email-longman@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a new master LOCK_DEBUGGING Kconfig option to turn on all the lock debugging options except the selftests and the torture tests. Signed-off-by: Waiman Long --- lib/Kconfig.debug | 32 +++++++++++++++++++++++++++----- 1 file changed, 27 insertions(+), 5 deletions(-) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 0958192..817d78d 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1034,6 +1034,28 @@ config DEBUG_PREEMPT menu "Lock Debugging (spinlocks, mutexes, etc...)" +config LOCK_DEBUGGING_SUPPORT + bool + depends on TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT + default y + +config LOCK_DEBUGGING + bool "Turn on all lock debugging" + depends on DEBUG_KERNEL + select DEBUG_SPINLOCK + select DEBUG_MUTEXES + select DEBUG_RT_MUTEXES if RT_MUTEXES + select DEBUG_RWSEMS if RWSEM_SPIN_ON_OWNER + select DEBUG_WW_MUTEX_SLOWPATH if LOCK_DEBUGGING_SUPPORT + select DEBUG_LOCK_ALLOC if LOCK_DEBUGGING_SUPPORT + select PROVE_LOCKING if LOCK_DEBUGGING_SUPPORT + select LOCK_STAT if LOCK_DEBUGGING_SUPPORT + select DEBUG_LOCKDEP if LOCK_DEBUGGING_SUPPORT + select DEBUG_ATOMIC_SLEEP + help + This turns on all the lock debugging code in the kernel except + the selftests and the torture tests. + config DEBUG_RT_MUTEXES bool "RT Mutex debugging, deadlock detection" depends on DEBUG_KERNEL && RT_MUTEXES @@ -1060,7 +1082,7 @@ config DEBUG_MUTEXES config DEBUG_WW_MUTEX_SLOWPATH bool "Wait/wound mutex debugging: Slowpath testing" - depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT + depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT select DEBUG_LOCK_ALLOC select DEBUG_SPINLOCK select DEBUG_MUTEXES @@ -1084,7 +1106,7 @@ config DEBUG_RWSEMS config DEBUG_LOCK_ALLOC bool "Lock debugging: detect incorrect freeing of live locks" - depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT + depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT select DEBUG_SPINLOCK select DEBUG_MUTEXES select DEBUG_RT_MUTEXES if RT_MUTEXES @@ -1099,7 +1121,7 @@ config DEBUG_LOCK_ALLOC config PROVE_LOCKING bool "Lock debugging: prove locking correctness" - depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT + depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT select LOCKDEP select DEBUG_SPINLOCK select DEBUG_MUTEXES @@ -1143,7 +1165,7 @@ config PROVE_LOCKING config LOCKDEP bool - depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT + depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT select STACKTRACE select FRAME_POINTER if !MIPS && !PPC && !ARM_UNWIND && !S390 && !MICROBLAZE && !ARC && !SCORE && !X86 select KALLSYMS @@ -1154,7 +1176,7 @@ config LOCKDEP_SMALL config LOCK_STAT bool "Lock usage statistics" - depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT + depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT select LOCKDEP select DEBUG_SPINLOCK select DEBUG_MUTEXES -- 1.8.3.1