Hi,

After communicated in http://sourceware.org/ml/gdb/2008-10/msg00019.html.
I make a patch make displaced stepping just enable in non-stop mode.

2008-10-07  Hui Zhu  <teawater@gmail.com>

	* infrun.c (use_displaced_stepping): Displaced stepping just
	enable in non-stop mode.

Thanks,
Hui