Re: udev and devfs - The final word

From: Greg KH
Date: Sat Jan 03 2004 - 01:06:57 EST


On Thu, Jan 01, 2004 at 06:17:43PM -0600, Hollis Blanchard wrote:
> On Wednesday, Dec 31, 2003, at 15:52 US/Central, Tommi Virtanen wrote:
> >I think devfs names are accepted as root= arguments, so that's a bit of
> >a loss.. with udev, your /dev and your root= are equal only if you
> >follow the standard naming.
> >
> >For root=, I can see how early userspace can move that to userspace.
> >But what about swsuspend?
> >
> >Are there any more kernel options taking file names? I think now would
> >be a good time to stop adding more of them :)
>
> "console=" takes driver-supplied names which usually happen to match
> /dev node names. For example, drivers/serial/8250.c names itself
> "ttyS", so "console=ttyS0" will end up going to that driver, regardless
> of the state of /dev.

These are just string matches that the different console drivers use.
They have nothing to do with an actual /dev node.

thanks,

greg k-h
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