Re: [linux-pm] Re: [PATCH] Remove process freezer from suspend to RAM pathway

Alan Stern
2007-07-06T15:13:22Z

On Fri, 6 Jul 2007, Benjamin Herrenschmidt wrote:

> Why are you guys working so hard and spending so much energy to try to
> avoid doing the right thing is beyond my understanding...
>
> > It _does_ apply to kernel threads. That's exactly why I wrote above
> > that kernel threads which try to do I/O during a suspend will need
> > extra attention.
>
> Ok none at all if you don't have a freezer.

In answer to both questions: We need the freezer in order to implement
hibernate. Even if we take your advice and stop using the freezer
during suspend, these issues would still remain and would need to be
solved.

Alan Stern