misc questions about the device&driver arch

[Zaphod Beeblebrox]

On 11/6/05, John Baldwin <jhb at freebsd.org> wrote:
>
>
> No, FreeBSD doesn't currently do what this decribes yet.  It would be
> possible
> to do it by adding a new device_pause() method that drivers would be
> required
> to implement while the resources were shuffled around though and possibly
> a
> device_unpause() method so that they could update their state if their
> resources were changed while the device was paused.


Commenting specifically on this little nugget, this sounds like a boon to
someone that might try and implement a suspend to disk system in the kernel.