[SPARC64]: Do not touch %tick_cmpr on sun4v cpus.

This register is not a part of the sun4v architecture. Niagara 1 and 2 happened to leave it around. Signed-off-by: David S. Miller <davem@davemloft.net>
git-mirror · Aug 16, 2007 · 53140b7 · 53140b7
1 parent cf5adce
commit 53140b7
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S
@@ -715,12 +715,13 @@ setup_trap_table:
 
 	membar	#Sync
 
+	BRANCH_IF_SUN4V(o2, 1f)
+
 	/* Kill PROM timer */
 	sethi	%hi(0x80000000), %o2
 	sllx	%o2, 32, %o2
 	wr	%o2, 0, %tick_cmpr
 
-	BRANCH_IF_SUN4V(o2, 1f)
 	BRANCH_IF_ANY_CHEETAH(o2, o3, 1f)
 
 	ba,pt	%xcc, 2f