sparc64: Call dump_stack() in die_nmi().

Signed-off-by: NDavid S. Miller <davem@davemloft.net>

arch/sparc/kernel/nmi.c

@@ -70,6 +70,7 @@ static void die_nmi(const char *str, struct pt_regs *regs, int do_panic)
 	printk(" on CPU%d, ip %08lx, registers:\n",
 	       smp_processor_id(), regs->tpc);
 	show_regs(regs);
+	dump_stack();
 
 	bust_spinlocks(0);