From 0aa031d9e047f22679e5ad4069667ec1d22b39dc Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@sunset.davemloft.net>
Date: Sat, 27 Oct 2007 00:23:22 -0700
Subject: [PATCH] [SPARC64]: Fix BACKOFF_SPIN on non-SMP.

It can't be just empty, it has to at least branch
back to 'label'.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/asm-sparc64/backoff.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/asm-sparc64/backoff.h b/include/asm-sparc64/backoff.h
index 0e32f8b62fd..dadd6c385c6 100644
--- a/include/asm-sparc64/backoff.h
+++ b/include/asm-sparc64/backoff.h
@@ -21,7 +21,9 @@
 #else
 
 #define BACKOFF_SETUP(reg)
-#define BACKOFF_SPIN(reg, tmp, label)
+#define BACKOFF_SPIN(reg, tmp, label) \
+	ba,pt	%xcc, label; \
+	 nop;
 
 #endif
 
-- 
2.41.1