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authorPeter Zijlstra <peterz@infradead.org>2016-08-23 13:45:15 +0200
committerIngo Molnar <mingo@kernel.org>2016-10-25 11:31:51 +0200
commita3ea3d9b865c2a8f7fe455c7fa26db4b6fd066e3 (patch)
tree8da272debf67e0a9e562d8520187345c37eeca9f /kernel/Kconfig.locks
parent890658b7ab48d1362a0362df842cecc73c83146f (diff)
locking/mutex: Allow MUTEX_SPIN_ON_OWNER when DEBUG_MUTEXES
Now that mutex::count and mutex::owner are the same field, we can allow SPIN_ON_OWNER while DEBUG_MUTEX. Tested-by: Jason Low <jason.low2@hpe.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/Kconfig.locks')
-rw-r--r--kernel/Kconfig.locks2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/Kconfig.locks b/kernel/Kconfig.locks
index ebdb0043203a..84d882f3e299 100644
--- a/kernel/Kconfig.locks
+++ b/kernel/Kconfig.locks
@@ -225,7 +225,7 @@ config ARCH_SUPPORTS_ATOMIC_RMW
config MUTEX_SPIN_ON_OWNER
def_bool y
- depends on SMP && !DEBUG_MUTEXES && ARCH_SUPPORTS_ATOMIC_RMW
+ depends on SMP && ARCH_SUPPORTS_ATOMIC_RMW
config RWSEM_SPIN_ON_OWNER
def_bool y

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