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Date:      Wed, 12 Feb 2003 03:30:25 -0800
From:      Terry Lambert <tlambert2@mindspring.com>
To:        Peter Pentchev <roam@ringlet.net>
Cc:        Dag-Erling Smorgrav <des@ofug.org>, Peter Wemm <peter@wemm.org>, Nicolas Souchu <nsouch@free.fr>, hackers@freebsd.org
Subject:   Re: dynamic hints
Message-ID:  <3E4A3051.52402DFC@mindspring.com>
References:  <20030212013104.86B6F2A8C2@canning.wemm.org> <xzp65rpkdf4.fsf@flood.ping.uio.no> <3E4A2B21.809681CE@mindspring.com> <20030212111455.GA376@straylight.oblivion.bg>

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Peter Pentchev wrote:
> On Wed, Feb 12, 2003 at 03:08:17AM -0800, Terry Lambert wrote:
> > Dag-Erling Smorgrav wrote:
> > > Peter Wemm <peter@wemm.org> writes:
> > > > Yes, sort-of.  kenv(8) can change the strings.  But I suspect it is too
> > > > late for something like isa since I think it would have done a pass at boot
> > > > to create the attachment nodes.  But as configuration knobs for drivers
> > > > that want to examine a string directly via getenv() etc, those would not be
> > > > too late.
> > >
> > > It wouldn't be too late for loadable modules...
> >
> > Don't most ISA probes have to happen a "the wrong time" because
> > their resources are unrelocatable?  That would argue against
> > post-boot-time hints...
> 
> So modules that do ISA probes will not use or honor post-boot-time
> hints.  This does not mean that no other module will ever benefit from
> passing any kind of parameters at load time; it is true that this
> feature may be abused, but it may actually be *used*, too, and there are
> people who would definitely find it useful for passing some parameters
> to some modules.

I agree in principle, but read what Peter Wemm wrote: this is about
an ISA device.

-- Terry

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