linux-kernel - Re: Xen is a feature

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Message-Id: <20090528.235110.44572184.davem@davemloft.net>
Date:	Thu, 28 May 2009 23:51:10 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jaswinder@...nel.org
Cc:	jeremy@...p.org, 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: Jaswinder Singh Rajput <jaswinder@...nel.org>
Date: Fri, 29 May 2009 12:07:32 +0530

> Hi Dave,
> 
> On Thu, 2009-05-28 at 21:05 -0700, David Miller wrote:
>> 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.
>> 
> 
> You can see Ingo's comments and whole thread under subject :
> 
> Re: [Xen-devel] Re: [GIT PULL] Xen APIC hooks (with io_apic_ops)
> 
> http://lkml.org/lkml/2009/5/27/758

Jeremy is specifically commenting on Ingo's quoted "argument".
And that "argument" is what he takes "exception to".

And that's the scope of what I'm commenting on too.
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