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Date:      Mon, 19 Jun 2000 13:07:21 -0700
From:      Greg Lehey <grog@lemis.com>
To:        Matthew Jacob <mjacob@feral.com>
Cc:        Jason Evans <jasone@canonware.com>, Chia-liang Kao <clkao@CirX.ORG>, freebsd-arch@FreeBSD.ORG
Subject:   Explaining intentions (was: kernel thread support)
Message-ID:  <20000619130721.A65971@sydney.worldwide.lemis.com>
In-Reply-To: <Pine.BSF.4.05.10006161640030.2928-100000@semuta.feral.com>
References:  <20000616144259.Q47268@blitz.canonware.com> <Pine.BSF.4.05.10006161640030.2928-100000@semuta.feral.com>

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On Friday, 16 June 2000 at 16:41:34 -0700, Matt Jacob wrote:
>
>
> On 16 Jun 2000, Jason Evans wrote:
>
>> On Fri, Jun 16, 2000 at 03:19:56AM +0800, Chia-liang Kao wrote:
>>> o Is the model for the scenario described in
>>>
>>>   http://www.freebsd.org/~julian/threads/
>>>
>>>   the final design decision? (then I think it shall be well documented.)
>>
>> We have made some refinements to the model, but in general, it is the same
>> idea.  Daniel Eischen and I are working on a paper that gives a reasonable
>> overview of the current design.  Hopefully we can get it to a postable form
>> in the near future.  However, we're probably going to concern ourselves
>> primarily with actually doing the work, rather than telling everybody
>> beforehand exactly how we're doing it.
>
> Can please spend some effort into saying what the intents and architecture is
> in the paper?
>
> The current newbus stuff and CAM stuff horribly suffer from the fact that
> there aren't such documents. I'm currently tearing my hair out trying to
> intuit what should have been written down.

Agreed entirely.  We're now frequently seeing patches and even design
documents, but we seldom hear about *why* people want to make specific
changes or design decisions.

Greg
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