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Date:      Fri, 26 Mar 2004 09:13:20 -0500
From:      "Brian F. Feldman" <green@FreeBSD.org>
To:        des@des.no (Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?=)
Cc:        John Baldwin <jhb@FreeBSD.org>
Subject:   Re: Is MTX_CONTESTED evil? 
Message-ID:  <200403261413.i2QEDKHw001781@green.homeunix.org>
In-Reply-To: Message from des@des.no (Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?=)  of "Fri, 26 Mar 2004 09:47:40 %2B0100." <xzpekrgf103.fsf@dwp.des.no> 

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des@des.no (Dag-Erling =3D?iso-8859-1?q?Sm=3DF8rgrav?=3D) wrote:
> "Brian F. Feldman" <green@FreeBSD.org> writes:
> > Well, that certainly explains the blitz of crashes I had to fix
> > recently!  Since INVARIANTS and WITNESS are on by default, it would
> > make sense to make ADAPTIVE_MUTEX default to catch more bugs.
> =

> 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 =

of bugs existed on SMP, turned on ADAPTIVE_MUTEXES, and found those bugs.=

QED.

-- =

Brian Fundakowski Feldman                           \'[ FreeBSD ]''''''''=
''\
  <> green@FreeBSD.org                               \  The Power to Serv=
e! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,=
,,,,\




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