perf annotate browser: Handle retq instructions

By just returning to the previous function being annotated or to the top
main screen when popping out the base of the annotation stack.

Cc: David Ahern <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

Author: acmel

tools/perf/ui/browsers/annotate.c

@@ -599,10 +599,15 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx,
 				ui_helpline__puts("Huh? No selection. Report to [email protected]");
 			else if (self->selection->offset == -1)
 				ui_helpline__puts("Actions are only available for assembly lines.");
-			else if (!self->selection->ins ||
-				 !(annotate_browser__jump(self) ||
-				   annotate_browser__callq(self, evidx, timer, arg, delay_secs)))
-				ui_helpline__puts("Actions are only available for the 'callq' and jump instructions.");
+			else if (!self->selection->ins) {
+				if (strcmp(self->selection->name, "retq"))
+					goto show_sup_ins;
+				goto out;
+			} else if (!(annotate_browser__jump(self) ||
+				     annotate_browser__callq(self, evidx, timer, arg, delay_secs))) {
+show_sup_ins:
+				ui_helpline__puts("Actions are only available for 'callq', 'retq' & jump instructions.");
+			}
 			continue;
 		case K_LEFT:
 		case K_ESC: