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To: "Brian F. Feldman" <green@FreeBSD.org>
References: <200403261413.i2QEDKHw001781@green.homeunix.org>
From: des@des.no (Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?=)
Date: Sun, 28 Mar 2004 14:03:37 +0200
In-Reply-To: <200403261413.i2QEDKHw001781@green.homeunix.org> (Brian F.
 Feldman's message of "Fri, 26 Mar 2004 09:13:20 -0500")
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cc: arch@FreeBSD.org
cc: David Schultz <das@FreeBSD.org>
cc: Seigo Tanimura <tanimura@tanimura.dyndns.org>
cc: John Baldwin <jhb@FreeBSD.org>
Subject: Re: Is MTX_CONTESTED evil?
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"Brian F. Feldman" <green@FreeBSD.org> writes:
> des@des.no (Dag-Erling =3D?iso-8859-1?q?Sm=3DF8rgrav?=3D) wrote:
> > Making ADAPTIVE_MUTEXES default will not catch more bugs, it will just
> > piss off users.
> What in the world you are talking about?  I didn't know that a large clas=
s=20
> of bugs existed on SMP, turned on ADAPTIVE_MUTEXES, and found those bugs.
> QED.

ADAPTIVE_MUTEXES currently makes the system unusable.  If we turn it
on by default, people will simply stop using FreeBSD (or at least stop
upgrading).

DES
--=20
Dag-Erling Sm=C3=B8rgrav - des@des.no