X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=kernel%2FKconfig.locks;h=76768ee812b27b7a48e13710ec23326af9b828af;hb=970fd3f04d5949a4b5f6d0a5fea8e4b6797a5992;hp=35536d9c096420f3718b93e583c10d5fdfc07cec;hpb=cf6f3976045468049038cfc45586b8b16c33dd05;p=firefly-linux-kernel-4.4.55.git

diff --git a/kernel/Kconfig.locks b/kernel/Kconfig.locks
index 35536d9c0964..76768ee812b2 100644
--- a/kernel/Kconfig.locks
+++ b/kernel/Kconfig.locks
@@ -220,9 +220,16 @@ config INLINE_WRITE_UNLOCK_IRQRESTORE
 
 endif
 
+config ARCH_SUPPORTS_ATOMIC_RMW
+	bool
+
 config MUTEX_SPIN_ON_OWNER
 	def_bool y
-	depends on SMP && !DEBUG_MUTEXES
+	depends on SMP && !DEBUG_MUTEXES && ARCH_SUPPORTS_ATOMIC_RMW
+
+config RWSEM_SPIN_ON_OWNER
+       def_bool y
+       depends on SMP && RWSEM_XCHGADD_ALGORITHM && ARCH_SUPPORTS_ATOMIC_RMW
 
 config ARCH_USE_QUEUE_RWLOCK
 	bool