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

From: Luis R. Rodriguez
Date: Tue Oct 03 2017 - 17:08:07 EST


On Wed, Oct 04, 2017 at 08:04:49AM +1100, Dave Chinner wrote:
> On Tue, Oct 03, 2017 at 11:53:13AM -0700, Luis R. Rodriguez wrote:
> > Now that all filesystems which used to rely on kthread
> > freezing have been converted to filesystem freeze/thawing
> > we can remove the kernel kthread freezer.
>
> Really? There's no other subsystem that relies on kernel thread
> and workqueue freezing to function correctly on suspend?

On my cover letter I noted this patch should not be consideredd
until *all* kthreads are vetted. So I agree vehemently with you.
The patch set only addressed 2 filesystem, so two kthreads. Much
other work would be needed before this lat patch could *ever*
be considered.

Luis