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-rw-r--r--include/asm-x86_64/spinlock.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-x86_64/spinlock.h b/include/asm-x86_64/spinlock.h
index be7a9e629fb2..3daf5b005905 100644
--- a/include/asm-x86_64/spinlock.h
+++ b/include/asm-x86_64/spinlock.h
@@ -4,6 +4,7 @@
#include <asm/atomic.h>
#include <asm/rwlock.h>
#include <asm/page.h>
+#include <asm/processor.h>
/*
* Your basic SMP spinlocks, allowing only a single CPU anywhere