Re: RFC: PERCPU_LIST to fix PR kern/52515

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Fri, Oct 06, 2017 at 04:21:48AM +0000, Taylor R Campbell wrote:
> > Date: Fri, 6 Oct 2017 13:14:14 +0900
> > From: Ryota Ozaki <ozaki-r%netbsd.org@localhost>
> > 
> > On Fri, Oct 6, 2017 at 11:58 AM, Taylor R Campbell
> > <campbell+netbsd-tech-kern%mumble.net@localhost> wrote:
> > > Note that your patch changes the ABI of struct psref!
> > 
> > Let's bump the kernel version!
> 
> If we want to pull the fix up to netbsd-8 (which we almost certainly
> do), then we should really avoid changing the ABI.  I forget what the
> rules are for pullups to pre-release branches, but changing the ABI is
> a big no-no post-release.

I think it's OK until the first release it tagged.
We already had a userland ABI change in netbsd-8

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--