Hi, > >On Sat, 2005-12-03 at 13:15, Shaohua Li wrote: >> The BIOS guys here require ACPI _WAK method which is called in >> pm_ops->finish is invoked after all CPUs are resumed. Detail info can be >> found at http://bugzilla.kernel.org/show_bug.cgi?id=5651. To do this, >> this patch tries to change the order slightly. Does this break other >> platforms? > >Is it needed even if you call the prepare after hot unplugging other >cpus? (If so, I need to modify suspend2, too). Yes. The ACPI _WAK method requires all CPU are booted per the BIOS guys. Thanks, Shaohua