On Tue, 18 Dec 2007, Joerg Sonnenberger wrote:
> Log Message:
> Add new IPI for saving CPU state explicitly, share high-level part of
> ACPI wakeup code and teach it how to start the APs again. As a side
> effect the CPU_START interface allows choosing between different
> bootstrap codes more easily now.

Great work! Tested on a T61 running amd64 GENERIC.MP, suspend/resume was 
as smooth as on a UP kernel.

Cheers,
Jared