svn commit: r234504 - in head/sys: amd64/conf i386/conf

[Brooks Davis]

On Sat, Apr 21, 2012 at 09:45:57AM -0400, Ryan Stone wrote:
> On Fri, Apr 20, 2012 at 5:37 PM, Brooks Davis <brooks at freebsd.org> wrote:
> > Author: brooks
> > Date: Fri Apr 20 21:37:42 2012
> > New Revision: 234504
> > URL: http://svn.freebsd.org/changeset/base/234504
> >
> > Log:
> > ?Enable DTrace hooks in GENERIC.
> >
> > ?Reviewed by: ?gnn
> > ?Approved by: ?core (jhb, imp)
> > ?Requested by: a cast of thousands
> > ?MFC after: ? ?3 days
> 
> Excellent!  Thanks to everybody who helped make this happen, starting
> with the participants at dtrace.conf who gave us the requisite whacks
> with the clue-by-four.
> 
> However, what is our policy for enabling features in -STABLE that are
> known to be unstable?  If we MFC this I don't have the slightest worry
> that somebody might see instability in their system just because the
> hooks are all of a sudden there, but I would worry that somebody make
> take DTrace hooks being enabled in GENERIC on -STABLE to imply that
> DTrace is stable, start using it and being upset when they trip over a
> DTrace bug.

I think we should note that it remains experimental and somewhat buggy
in the release notes and probably in the MFC message.  Otherwise, it's
like any new feature.  If you start using a feature in production
without extensive testing you may be surprised.

-- Brooks
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