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

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Date:	Fri, 8 Oct 2010 18:02:33 -0400
From:	Mike Frysinger <vapier@...too.org>
To:	Daniel Walker <dwalker@...eaurora.org>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, 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

On Fri, Oct 8, 2010 at 15:50, Daniel Walker wrote:
> On Fri, 2010-10-08 at 15:20 -0400, Mike Frysinger wrote:
>> On Fri, Oct 8, 2010 at 15:01, Daniel Walker wrote:
>> > On Fri, 2010-10-08 at 14:38 -0400, Mike Frysinger wrote:
>> >> On Fri, Oct 8, 2010 at 12:45, Daniel Walker wrote:
>> >> > On Fri, 2010-10-08 at 17:56 +0100, Alan Cox wrote:
>> >> >> > I don't think the kernel is going to implode if we allow an optional
>> >> >> > ttyS override for debugging purposes.. I just don't see that "screwing"
>> >> >> > up the kernel.
>> >> >>
>> >> >> That is perhaps why you are not a subsystem maintainer.
>> >> >
>> >> > No, I'm sure it's not.
>> >> >
>> >> > What I was telling Greg is that this type of override is allowed right
>> >> > now, if you mod the source (everything is allowed if you mod the source
>> >> > right?) ..
>> >>
>> >> just because someone can mod the source code to add a root shell
>> >> doesnt mean we should accept patches to do it
>> >
>> > That's not what I was getting at. If you can mod the source to add the
>> > override, then adding in a patch which also requires you to mod the
>> > source to add the override should be acceptable because it's no
>> > different that what we currently have.
>>
>> sorry, but you lost me.  all i see is "drop the hack code".
>
> I can make it simpler for you. You add code into Linux, people can
> modify it, and you can't control that.

while true, that lacks justification for merging hacks into mainline
-mike
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