linux-kernel - Re: Xen is a feature

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Message-Id: <20090528.210559.137121893.davem@davemloft.net>
Date:	Thu, 28 May 2009 21:05:59 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jeremy@...p.org
Cc:	mingo@...e.hu, dan.magenheimer@...cle.com, avi@...hat.com,
	George.Dunlap@...citrix.com, xen-devel@...ts.xensource.com,
	x86@...nel.org, linux-kernel@...r.kernel.org,
	keir.fraser@...citrix.com, torvalds@...ux-foundation.org,
	gregkh@...e.de, kurt.hackel@...cle.com, Ian.Pratt@...rix.com,
	xen-users@...ts.xensource.com, ksrinivasan@...ell.com,
	EAnderson@...ell.com, wimcoekaerts@...mekes.net,
	stephen.spector@...rix.com, jens.axboe@...cle.com, npiggin@...e.de
Subject: Re: Xen is a feature

From: Jeremy Fitzhardinge <jeremy@...p.org>
Date: Thu, 28 May 2009 17:45:34 -0700

> Ingo Molnar wrote:
>> Xen changes - especially dom0 - are overwhelmingly not about improving
>> Linux, but about having some special hook and extra treatment in
>> random places - and that's really bad.
>>   
> 
> You've made this argument a few times now, and I take exception to it.
> 
> It seems to be predicated on the idea that Xen has some kind of niche
> usage, with barely more users than Voyager.  Or that it is a parasite
> sitting on the side of Linux, being a pure drain.

I don't see Ingo's comments, whether I agree with them or not, as
an implication of Xen being niche.  Rather I see his comments as
an opposition to how Xen is implemented.

> We're taking your technical critiques very seriously, of course, and I
> appreciate any constructive comment.  But your baseline position of
> animosity towards Xen is unreasonable, unfair and unnecessary.

I don't see any animosity at all in what Ingo has said.
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