Re: 3C905b partial lockup in 2.4.5-pre5 and up to 2.4.6-pre1

[Andrew Morton]

Jeff Garzik wrote:
> 
> "David S. Miller" wrote:
> >
> > Andrew Morton writes:
> >  > It'd need to be callable from interrupt context - otherwise
> >  > each device/driver which has link status change interrupts
> >  > will need to implement some form of interrupt->process context
> >  > trick.
> >
> > Well, we could make the netif_carrier_*() implementation do the
> > "interrupt->process context" trick.
> >
> > Jamal can feel free to post what he has.
> 
> If we have any problems with context we can always use schedule_task()

Yep.  With dev_hold() and dev_put() to avoid module removal
races.  One would also have to be sure that the right things
happen if the interface is downed between the interrupt and
execution of the schedule_task() callback.