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-rw-r--r--arch/sh/kernel/semaphore.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/sh/kernel/semaphore.c b/arch/sh/kernel/semaphore.c
index c958745b5..f733501c1 100644
--- a/arch/sh/kernel/semaphore.c
+++ b/arch/sh/kernel/semaphore.c
@@ -12,6 +12,8 @@
#include <asm/semaphore.h>
#include <asm/semaphore-helper.h>
+spinlock_t semaphore_wake_lock;
+
/*
* Semaphores are implemented using a two-way counter:
* The "count" variable is decremented for each process