Re: Adding PCMCIA support to the kernel tree -- developers needed.

[Oliver Neukum <Oliver.Neukum@lrz.uni-muenchen.de>]

> > > If you wish to wait, why not wait for activation by sysctl ?
> >
> > That is, sysctl to set the kernel "hotplug" string?  Would that
> > then invoke "/sbin/hotplug start", or would something else
> > need to make sure all the relevant subsystems are well enough
> > initialized?
>
> I assumed this meant the threads would be spawned and wait, as I
> suggested, but instead of waiting till the rootfs is mounted, they'd wait
> for an explicit trigger from userspace, whether that's setting the
> 'hotplug' string or a new 'hotplug_trigger' sysctl. But that means we have
> kernel threads collecting waiting for userspace to trigger them, and I'm
> not sure that's a good idea.

There's no need to wait until after spawning the threads.
Check for activation before you spawn. If that check fails, write
the request to a buffer. If the trigger is recieved, replay the buffer.

	HTH
		Oliver


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