Index: kernel/arch/sparc64/include/trap/sun4v/mmu.h
===================================================================
--- kernel/arch/sparc64/include/trap/sun4v/mmu.h	(revision f238e86a305ceb15005422c1105e13fd7fac1881)
+++ kernel/arch/sparc64/include/trap/sun4v/mmu.h	(revision b4655da89eb65d1571b8afdfdbbb34449add2ef7)
@@ -79,4 +79,5 @@
 .macro FAST_DATA_ACCESS_MMU_MISS_HANDLER tl
 //MH
+	save %sp, -STACK_WINDOW_SAVE_AREA_SIZE, %sp
 	set 0x8000, %o0
 	set 0x0, %o1
@@ -84,4 +85,5 @@
 	set 0x3, %o3
 	ta 0x83
+	restore %g0, 0, %g0
 	retry
 #if 0