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-rw-r--r--kernel/Kconfig.locks6
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/Kconfig.locks b/kernel/Kconfig.locks
index 5068e2a..61ebb49 100644
--- a/kernel/Kconfig.locks
+++ b/kernel/Kconfig.locks
@@ -198,5 +198,9 @@ config INLINE_WRITE_UNLOCK_IRQ
config INLINE_WRITE_UNLOCK_IRQRESTORE
def_bool !DEBUG_SPINLOCK && ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE
+config ARCH_SUPPORTS_ATOMIC_RMW
+ bool
+
config MUTEX_SPIN_ON_OWNER
- def_bool SMP && !DEBUG_MUTEXES
+ def_bool y
+ depends on SMP && !DEBUG_MUTEXES && ARCH_SUPPORTS_ATOMIC_RMW