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From: Warner Losh <imp@bsdimp.com>
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To: Doug Barton <dougb@FreeBSD.org>
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Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org,
	src-committers@FreeBSD.org, Robert Watson <rwatson@FreeBSD.org>,
	Joel Dahl <joel@FreeBSD.org>
Subject: Re: svn commit: r222980 - in head/sys: amd64/conf i386/conf
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On Jun 11, 2011, at 12:17 PM, Doug Barton wrote:

> On 6/11/2011 6:07 AM, Robert Watson wrote:
>> To me, this seems like the wrong direction.  Over the last decade, =
we've
>> been trying to move away from conditional compilation of features to
>> having them be loadable as modules.
>=20
> FWIW, I agree. I'm wondering though, is there still a performance =
penalty for modules? My understanding in the past was that there is, =
although for most use cases it's in the statistical noise. Is that still =
true?

At run time, I believe that's true.  At load time, lots of modules can =
take a few seconds longer.

Warner