On Thu, Dec 20, 2007 at 02:29:52PM -0800, Randy Dunlap wrote:
> On Thu, 20 Dec 2007 14:12:52 -0800 Greg KH wrote:
> 
> > On Thu, Dec 20, 2007 at 02:06:59PM -0800, Randy Dunlap wrote:
> > > On Thu, 20 Dec 2007 13:27:00 -0800 Greg KH wrote:
> > > > On Wed, Dec 19, 2007 at 10:32:06PM -0800, Randy Dunlap wrote:
> > > > > On Wed, 19 Dec 2007 16:30:31 -0800 Greg KH wrote:
> > > > > >     int kobject_uevent(struct kobject *kobj, enum kobject_action 
> > > > > > action);
> > > > > > 
> > > > > > Use the KOBJ_ADD action for when the kobject is first added to the 
> > > > > > kernel.
> > > > > > This should be done only after any attributes or children of the 
> > > > > > kobject
> > > > > > have been initialized properly, as userspace will instantly start 
> > > > > > to look
> > > > > 
> > > > >               s/will/may/
> > > > 
> > > > No, it's usually a "will", as udev is damm fast these days :)
> > > 
> > > But that's the point.  It assumes that udev is being used.  :(
> > 
> > Yes, kernel developers need to be aware that udev _will_ be used, you
> > can not do things that will assume it is not running.
> 
> so are you saying that udev is required now?
> I missed that information somehow/somewhere.

No, not at all, it's not required.

Just that if you are creating kobjects, you need to be aware that there
are programs out there, like udev[1], that expect once the kobject is
announced, to have all of the attributes present at the same time.

Does that explain it better?

thanks,

greg k-h

[1] There are at least 2 other programs like udev used by distros these
days, udev is not the only player in this area anymore.

> 
> ---
> ~Randy
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