Re: [PATCH 5/9] completion: Use simple wait queues

[Thomas Gleixner]

Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> writes:
> On Fri, Mar 13, 2020 at 10:47 AM Sebastian Andrzej Siewior
> <bigeasy@xxxxxxxxxxxxx> wrote:
> and before you do a conversion, you need to spend a _lot_ of time
> thinking about why that is the case.
>
> And _after_ you do the conversion, you damn well need to explain why
> it's safe. Not just state that it's a good idea.
>
> For example, this patch just randomly changes wait events to the swait
> event _exclusive_ waits. With not a single explanation of why that
> would be ok.
>
> I want an explanation for EVERY SINGLE CASE. Because people have done
> this kind of conversion before, and it's been buggy garbage before. I
> want to see that people actually thought about what the semantic
> differences were, and _documented_ that thinking process.

My bad. I'll rework the changelog so it contains the proof that the
result is semantical and functional equivalent.

Thanks,

        tglx