MN10300: And Panasonic AM34 subarch and implement SMP

Implement the Panasonic MN10300 AM34 CPU subarch and implement SMP support for
MN10300.  Also implement support for the MN2WS0060 processor and the ASB2364
evaluation board which are AM34 based.

Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com>
Signed-off-by: Kiyoshi Owada <owada.kiyoshi@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>

arch/mn10300/mm/fault.c

@@ -39,10 +39,6 @@ void bust_spinlocks(int yes)
 {
 	if (yes) {
 		oops_in_progress = 1;
-#ifdef CONFIG_SMP
-		/* Many serial drivers do __global_cli() */
-		global_irq_lock = 0;
-#endif
 	} else {
 		int loglevel_save = console_loglevel;
 #ifdef CONFIG_VT
@@ -334,10 +330,10 @@ no_context:
  */
 out_of_memory:
 	up_read(&mm->mmap_sem);
-	if ((fault_code & MMUFCR_xFC_ACCESS) != MMUFCR_xFC_ACCESS_USR)
-		goto no_context;
-	pagefault_out_of_memory();
-	return;
+	printk(KERN_ALERT "VM: killing process %s\n", tsk->comm);
+	if ((fault_code & MMUFCR_xFC_ACCESS) == MMUFCR_xFC_ACCESS_USR)
+		do_exit(SIGKILL);
+	goto no_context;
 
 do_sigbus:
 	up_read(&mm->mmap_sem);