Re: struct ifnet locking [was Re: IFEF_MPSAFE]

[Nick Hudson <skrll%netbsd.org@localhost>]

On 12/19/17 08:21, Ryota Ozaki wrote:
> On Tue, Dec 19, 2017 at 4:52 PM, Nick Hudson <nick.hudson%gmx.co.uk@localhost> wrote:
> > On 19/12/2017 03:43, Ryota Ozaki wrote:
> >
> >
> > > BTW I committed a change that disables IFEF_MPSAFE by default on
> > > all interfaces because it seems that IFEF_MPSAFE requires additional
> > > changes to work safely with it. We should enable it by default if an
> > > interface is guaranteed to be safe.
> > What additional changes?
> For example, avoid updating if_flags (and reading it and depending on
> the result) in Tx/Rx paths and using if_watchdog.

Ah, I see.

Do we have a model driver yet?

Thanks,
NIck