X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=kernel%2FKconfig.locks;h=e4d30533c562c1eb810d890707d74d332a147aa9;hb=6e7b61dec169561780265d84b5967e93e6206213;hp=44511d100eaa89f73c53f0e16828a9f03d7256ac;hpb=68fe0f0a6dcd2ac1ace5da3647a6d1cf0f4d2fea;p=firefly-linux-kernel-4.4.55.git

diff --git a/kernel/Kconfig.locks b/kernel/Kconfig.locks
index 44511d100eaa..e4d30533c562 100644
--- a/kernel/Kconfig.locks
+++ b/kernel/Kconfig.locks
@@ -220,6 +220,9 @@ 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