Re: CURRENT broken on Raspberry Pi 2?

[Nick Hudson <nick.hudson%gmx.co.uk@localhost>]

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On 06/03/2019 19:42, Ryo Shimizu wrote:
> > thorpej%me.com@localhost (Jason Thorpe) writes:
> >
> > > Might I suggest a reference count?  RUN_ONCE() can initialize the mutex around the counter, and then the counter can keep track of the init's and fini's called, and only do the work on the 0->1 edge and the 1->0 edge
> > .
> >
> > You also need to destroy the mutex somewhen.
> >
> > RUN_ONCE needs to learn a bit more about life cycles.
>
> I made INIT_ONCE(9) and FINI_ONCE(9) with reference counter.
> Is this OK like this?

Hi,

Thanks for working on this.

At the moment your _{init,fini}_once are missing cv_broadcasts, but I 
wonder if we can merge _{run,init}_once and avoid duplicate code.

I'm not sure if _fini_done should ever wait.

Thanks,
Nick