netdev - Re: [PATCH] wireless: fix regression caused by regulatory config option

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Message-ID: <alpine.LFD.2.00.0810261315040.3386@nehalem.linux-foundation.org>
Date:	Sun, 26 Oct 2008 13:16:44 -0700 (PDT)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	"John W. Linville" <linville@...driver.com>
cc:	Arjan van de Ven <arjan@...radead.org>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, rjw@...k.pl, rodriguez@...eros.com,
	johannes@...solutions.net
Subject: Re: [PATCH] wireless: fix regression caused by regulatory config
 option



On Sun, 26 Oct 2008, John W. Linville wrote:
> 
> Is it common practice to have compatibility options default to
> "y"?  I'm not saying it shouldn't be, just wondering if it has been
> traditionally?

Yes. Generally the rule should be that

	make oldconfig

with 'default values for all new options' should give you a configuration 
that is essentially identical to the old one.

So if it's a config option to enable compatibility with old kernels, it 
should default to 'y'. If it's a new driver or a new feature that didn't 
exist in previous kernels, it should default to 'n'.

			Linus
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