+ } else {
+ /*
+ * Set ar.k3 so that assembly code in MCA handler can compute
+ * physical addresses of per cpu variables with a simple:
+ * phys = ar.k3 + &per_cpu_var
+ * and the alt-dtlb-miss handler can set per-cpu mapping into
+ * the TLB when needed. head.S already did this for cpu0.
+ */
+ ia64_set_kr(IA64_KR_PER_CPU_DATA,
+ ia64_tpa(cpu_data) - (long) __per_cpu_start);