Commits
![Guo Ren](https://secure.gravatar.com/avatar/1462fd3ef864580a57394a7c94d06cb0.jpg?s=96&d=mm)
Guo Ren committed 859e5f45cbb
csky: CPU-hotplug supported for SMP This is a simple implement of CPU-hotplug for power saving. CPU use wait instruction to enter power saving mode and waiting for IPI wakeup signal. Signed-off-by: Guo Ren <ren_guo@c-sky.com>