RE: [PATCH] Revert "exec: make de_thread() freezable (was: Re: Linux 4.20-rc4)

From: Chanho Min
Date: Thu Dec 06 2018 - 04:07:28 EST


> >
> > I am sorry for the reverting this patch. It's also my fault that
> > I didn't check lockdep. But, We decided to keep this patch in our product.
> > Freeze fail is a real problem we've had for the last two years,
> > whereas lockdep's notice is not a real problem.
> > We hope this issue will be resolved soon.
>
> I guess it makes sense for your usage.
>
> How often do you see the failures without the patch?
Very rare, it happens about 1 in 1000 suspends.

Chanho,