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Date:      Mon, 25 Aug 2008 14:35:26 -0700
From:      Maxim Sobolev <sobomax@FreeBSD.org>
Cc:        freebsd-stable@FreeBSD.org, kmacy@FreeBSD.org, Kris Kennaway <kris@FreeBSD.org>, freebsd-sun4v@FreeBSD.org, freebsd-current@FreeBSD.org, freebsd-hackers@FreeBSD.org
Subject:   Re: sun4v arch
Message-ID:  <48B3259E.8070601@FreeBSD.org>
In-Reply-To: <48B0BEC7.1070806@FreeBSD.org>
References:  <136a340a0808220719t3a170786s7fd4bcb662d0b981@mail.gmail.com>	<48AED560.8010001@FreeBSD.org>	<20080822225510.GI32539@server.vk2pj.dyndns.org> <48B0BEC7.1070806@FreeBSD.org>

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Maxim Sobolev wrote:
> Peter Jeremy wrote:
>> Is there a summary of the open issues somewhere?  There are no sun4v
>> PRs open.  http://wiki.freebsd.org/FreeBSD/sun4v effectively hasn't
>> been touched since November 2006 and suggests that the only critical
>> issue is lack of serial port support.
> 
> There is a better interpretation, which is that the only critical issue 
> is lack of real users for this port, not lack of serial port support :).

Just to clarify a bit - my point was not to suggest that port is 
irrelevant, or that the FreeBSD should not go there. In fact I believe 
on contrary from what I know sun4v is good as a testbed for the future 
of multi-processor architectures today - definitely we will see ever 
increasing number of cores in commodity Intel/AMD servers in few years 
from now. So that in that sense sun4v work is very important if the 
FreeBSD project wants to keep ahead of things, not catching-up later.

However, realistically immaturity of the port as well as scarcity of 
hardware limits number of users severely. Therefore, absence of PRs 
should not be surprising to anyone.

-Maxim



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