Even if the simulation would return from sc_start immediately because of starvation, this change ensures that sc_start gives control back to gem5 so that the scheduler will have a chance to set up sensitivities, etc., before things get torn down. Change-Id: I39b1fd704fcbe12c299cad9dbd30258e8fe9d032 Reviewed-on: https://gem5-review.googlesource.com/12218 Reviewed-by: Gabe Black <gabeblack@google.com> Maintainer: Gabe Black <gabeblack@google.com>