On Wed, 4 Jul 2007, Matt Mackall wrote:
> On Wed, Jul 04, 2007 at 04:38:04PM +0530, Satyam Sharma wrote:
> > [...]
> > +/*
> > + * Why no net_dev_is_up() in netdevice.h? The kernel could lose a lot of
> > + * weight if only netdevice.h had the good sense to export such a function.
> > + * Oh well ...
> > + */
> > +static inline int net_dev_is_up(struct net_device *net_dev)
> > +{
> > + return ((net_dev->flags & IFF_UP) == IFF_UP);
> > +}
>
> Why editorialize? Why not just add this to netdevice.h?
Hmm, I wanted to keep all changes local to netconsole, but ...
ok, will do that.
> > + if (nt->dev_status) {
>
> Why not simply call net_dev_is_up?
Yes, I did consider just calling the function here instead of
introducing another member ... again, ok will do that ...
> > We then join this up with the just-introduced net_device notifier, and
> > introduce NETDEV_UP and NETDEV_DOWN notifications. By disabling the target
> > when the corresponding local interface is down, we save the overhead of
> > unnecessarily disabling interrupts and calling into the netpoll stack in
> > console->write().
>
> Yuck.
... so all this will go too.
Satyam
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