netdev - Re: [patch] e1000=y && e1000e=m regression fix (was: Re: [regression] e1000e broke e1000)

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Message-ID: <20080410175503.GA11440@colo.lackof.org>
Date:	Thu, 10 Apr 2008 11:55:03 -0600
From:	Grant Grundler <grundler@...isc-linux.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Krzysztof Halasa <khc@...waw.pl>, Frans Pop <elendil@...net.nl>,
	Ingo Molnar <mingo@...e.hu>, jeff@...zik.org, matthew@....cx,
	auke-jan.h.kok@...el.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, e1000-devel@...ts.sourceforge.net,
	linux-pci@...ey.karlin.mff.cuni.cz, akpm@...ux-foundation.org,
	davem@...emloft.net, jesse.brandeburg@...el.com,
	john.ronciak@...el.com, bruce.w.allan@...el.com, greg@...ah.com,
	arjan@...ux.intel.com, rjw@...k.pl
Subject: Re: [patch] e1000=y && e1000e=m regression fix (was: Re:
	[regression] e1000e broke e1000)

On Thu, Apr 10, 2008 at 07:30:34AM -0700, Linus Torvalds wrote:
...
> The fact that some *other* driver that I'd never ever enabled in my life 
> suddenly supports them is irrelevant - it's not in my list of "hardware I 
> have", and it's not even getting compiled.

If e1000e is not getting compiled, my understanding was the original e1000
driver will claim whatever devices it historically has.

> And no, I'm not talking about some theoretical "this could happen" thing. 
> I hit exactly that with commit 040babf9d84e7010c457e9ce69e9eb1c27927c9e (I 
> then thought that the new driver didn't even work for me, but that turned 
> out to be an unrelated bug).
> 
> It's very irritating when a working machine suddenly just stops working 
> because some config option just changed its meaning. VERY irritating.

Agreed. I like Ingo's Kconfig patch which forces both drivers
(e1000 and e1000e) to be built the same way (ie both modules or both
builtin).

grant
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