Date: Thu, 25 Jun 2015 09:51:50 +0200
From: Ingo Molnar <mingo@kernel.org>
To: David Lang <david@lang.hm>
Cc: Martin Steigerwald <martin@lichtvoll.de>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Andy Lutomirski <luto@amacapital.net>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        David Herrmann <dh.herrmann@gmail.com>,
        Djalal Harouni <tixxdz@opendz.org>,
        Greg KH <gregkh@linuxfoundation.org>,
        Havoc Pennington <havoc.pennington@gmail.com>,
        "Eric W. Biederman" <ebiederm@xmission.com>,
        One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>,
        Tom Gundersen <teg@jklm.no>, Daniel Mack <daniel@zonque.org>
Subject: Re: kdbus: to merge or not to merge?
Message-ID: <20150625075150.GA17367@gmail.com>
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 <6295881.qFxhe0B0Ak@merkaba>
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 <alpine.DEB.2.02.1506241039110.4148@nftneq.ynat.uz>
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* Ingo Molnar <mingo@kernel.org> wrote:

> 
> * David Lang <david@lang.hm> wrote:
> 
> > On Wed, 24 Jun 2015, Ingo Molnar wrote:
> > 
> > > And the thing is, in hindsight, after such huge flamewars, years down the 
> > > line, almost never do I see the following question asked: 'what were we 
> > > thinking merging that crap??'. If any question arises it's usually along the 
> > > lines of: 'what was the big fuss about?'. So I think by and large the process 
> > > works.
> > 
> > counterexamples, devfs, tux
> 
> Actually, we never merged the Tux web server upstream, and the devfs concept has 
> kind of made a comeback via devtmpfs.

Bits of devfs also live on in sysfs. So devfs wasn't a bad initial idea IMHO, but 
we had to do one more (incompatible ...) iteration to figure out why we didn't 
like it.

Furthermore, I'm pretty sure there's a snowball's chance in hell that we'd have 
ended up with the current pretty cleaned up hardware/system ABI _without_ devfs. 
So it was a necessary pain.

Thanks,

	Ingo
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