> dev->flags cannot be changed by interrupts,
> it contains only static and administratively set flags.
> Othewise we will have to spinlock or atomize all the accesses
> to them.

Good thinking

> Link state flag must be separate. dev->link_state or a bit
> in atomic flag bitset. It may be translated to IFF_RUNNING
> by ioctl frontend though.

That sounds fine.


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