Re: [RFC 5/5] pm: remove kernel thread freezing

From: Jiri Kosina
Date: Tue Oct 03 2017 - 16:38:41 EST

On Tue, 3 Oct 2017, Pavel Machek wrote:

> > This point I don't understand. What exactly do you mean?
> Hibernation:
> We freeze, do system snapshot, unfreeze, and write image to
> disk.

Where/why do you unfreeze between creating the snapshot and writing it

Again, I agree that the (rare) kthreads that are actually "creating" new
I/O have to be somehow frozen and require special care.

Jiri Kosina