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-rw-r--r--sys/powerpc/include/mutex.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/powerpc/include/mutex.h b/sys/powerpc/include/mutex.h
index fd398d7..c8bcbdd 100644
--- a/sys/powerpc/include/mutex.h
+++ b/sys/powerpc/include/mutex.h
@@ -36,6 +36,9 @@
#ifdef _KERNEL
+/* Global locks */
+extern struct mtx clock_lock;
+
#define mtx_intr_enable(mutex) (mutex)->mtx_savecrit = ALPHA_PSL_IPL_0
#endif /* _KERNEL */
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