linux-kernel - Re: [PATCH] detour TTY driver

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Message-ID: <20100824220216.GA5164@suse.de>
Date:	Tue, 24 Aug 2010 15:02:16 -0700
From:	Greg KH <gregkh@...e.de>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Samo Pogacnik <samo_pogacnik@....net>,
	linux kernel <linux-kernel@...r.kernel.org>,
	linux-embedded <linux-embedded@...r.kernel.org>
Subject: Re: [PATCH] detour TTY driver - now ttyprintk

On Tue, Aug 24, 2010 at 11:16:41PM +0100, Alan Cox wrote:
> > Why does this need to be a tty driver?  Why not a misc device?
> 
> So you can use it as a"console" (in the user space sense) tty device on
> embedded devices which don't have a meaningful normal output subsystem.

But can't you do that today with kmsg?  The startup of systemd does this
in a way that handles all of the log messages very nicely, and the
embedded people are sure to pick it up as well because of the
simplicity.

thanks,

greg k-h
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