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SubjectRe: [PATCH] Revert "exec: make de_thread() freezable (was: Re: Linux 4.20-rc4)
On Mon, Dec 3, 2018 at 6:17 AM Michal Hocko <> wrote:
> This argument just doesn't make any sense. Rare bugs are maybe even more
> annoying because you do not expect them to happen.


And valid lockdep complaints are a real issue too.

So I don't think there's any question that this should be reverted,
the only question is whether I take the revert directly or get it from
the PM tree.

It does sound like the de_thread() behavior needs more work. Maybe,
for example, we need to make it clear that zapped threads are *not*
frozen, and instead the freezer will wait for them to exit?



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