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-rw-r--r--arch/sparc/include/asm/spinlock_32.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/spinlock_32.h b/arch/sparc/include/asm/spinlock_32.h
index 7f9b9dba38a6..5f5b8bf3f50d 100644
--- a/arch/sparc/include/asm/spinlock_32.h
+++ b/arch/sparc/include/asm/spinlock_32.h
@@ -9,6 +9,7 @@
#ifndef __ASSEMBLY__
#include <asm/psr.h>
+#include <asm/processor.h> /* for cpu_relax */
#define arch_spin_is_locked(lock) (*((volatile unsigned char *)(lock)) != 0)