um: pull interrupt_end() into userspace()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>

arch/um/kernel/process.c

@@ -151,12 +151,10 @@ void new_thread_handler(void)
 	 * 0 if it just exits
 	 */
 	n = run_kernel_thread(fn, arg, &current->thread.exec_buf);
-	if (n == 1) {
-		/* Handle any immediate reschedules or signals */
-		interrupt_end();
+	if (n == 1)
 		userspace(&current->thread.regs.regs);
-	}
-	else do_exit(0);
+	else
+		do_exit(0);
 }
 
 /* Called magically, see new_thread_handler above */
@@ -175,9 +173,6 @@ void fork_handler(void)
 
 	current->thread.prev_sched = NULL;
 
-	/* Handle any immediate reschedules or signals */
-	interrupt_end();
-
 	userspace(&current->thread.regs.regs);
 }
 

arch/um/os-Linux/skas/process.c

@@ -347,6 +347,9 @@ void userspace(struct uml_pt_regs *regs)
 	/* To prevent races if using_sysemu changes under us.*/
 	int local_using_sysemu;
 
+	/* Handle any immediate reschedules or signals */
+	interrupt_end();
+
 	if (getitimer(ITIMER_VIRTUAL, &timer))
 		printk(UM_KERN_ERR "Failed to get itimer, errno = %d\n", errno);
 	nsecs = timer.it_value.tv_sec * UM_NSEC_PER_SEC +