linux-kernel - Re: [PATCH] serial: DCC(JTAG) serial and console emulation support

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Message-ID: <20101008091331.74871a42@lxorguk.ukuu.org.uk>
Date:	Fri, 8 Oct 2010 09:13:31 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Daniel Walker <dwalker@...eaurora.org>
Cc:	Mike Frysinger <vapier@...too.org>, linux-kernel@...r.kernel.org,
	"Hyok S. Choi" <hyok.choi@...sung.com>,
	Tony Lindgren <tony@...mide.com>,
	Jeff Ohlstein <johlstei@...cinc.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Ben Dooks <ben-linux@...ff.org>,
	Alan Cox <alan@...ux.intel.com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Feng Tang <feng.tang@...el.com>,
	Tobias Klauser <tklauser@...tanz.ch>,
	Jason Wessel <jason.wessel@...driver.com>,
	Philippe Langlais <philippe.langlais@...ricsson.com>
Subject: Re: [PATCH] serial: DCC(JTAG) serial and console emulation support

> It is , what's to stop any userspace from using ttyS0 ? .. There's lots
> of binary userspaces in the embedded world, along with many strange
> usages ..

So you change your file system, whoopee.

And if your hypothetical user isn't able to do this then maybe instead of
trying to screw up the kernel for everyone they should ask an
undergraduate student who is smart enough to help them.

Alan
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