linux-kernel - Re: Merge Xen (the hypervisor) into Linux

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Date:	Tue, 2 Jun 2009 22:43:11 -0400
From:	Theodore Tso <tytso@....edu>
To:	Dan Magenheimer <dan.magenheimer@...cle.com>
Cc:	Ingo Molnar <mingo@...e.hu>, Steven Rostedt <rostedt@...dmis.org>,
	George Dunlap <george.dunlap@...citrix.com>,
	David Miller <davem@...emloft.net>, jeremy@...p.org,
	avi@...hat.com, xen-devel@...ts.xensource.com, x86@...nel.org,
	linux-kernel@...r.kernel.org,
	Keir Fraser <Keir.Fraser@...citrix.com>,
	torvalds@...ux-foundation.org, gregkh@...e.de,
	kurt.hackel@...cle.com, Ian Pratt <Ian.Pratt@...citrix.com>,
	xen-users@...ts.xensource.com,
	ksrinivasan <ksrinivasan@...ell.com>, EAnderson@...ell.com,
	wimcoekaerts@...mekes.net,
	Stephen Spector <stephen.spector@...rix.com>,
	jens.axboe@...cle.com, npiggin@...e.de
Subject: Re: Merge Xen (the hypervisor) into Linux

On Tue, Jun 02, 2009 at 05:00:21PM -0700, Dan Magenheimer wrote:
> That sound you heard was 10000 xen-users@...ts.xensource.com
> all having heart attacks at once.
> 
> Need I say more.

So maybe I'm stupid, but why would they be having heart attacks?

It seems like a decent solutoin to me.  What's being proposed would
make the dom0/hypervisor interface an internal once, always subject to
change.  What's wrong with that?  Presumably the domU/hypervisor
interface would have to be remain stable, but why is the
dom0/hypervisor interface have to be sacred and unchanging?  I don't
understand the concern.

			       	     	    - Ted
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