linux-kernel - Re: Xen is a feature

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Message-ID: <4A1FCBAB.2030100@wpkg.org>
Date:	Fri, 29 May 2009 13:48:59 +0200
From:	Tomasz Chmielewski <mangoo@...g.org>
To:	LKML <linux-kernel@...r.kernel.org>
CC:	gregkh@...e.de, jeremy@...p.org, davem@...emloft.net,
	jaswinder@...nel.org
Subject: Re: Xen is a feature

Greg KH wrote:

> On Thu, May 28, 2009 at 05:45:34PM -0700, Jeremy Fitzhardinge wrote:
>> Mozilla and Debian are hosted on Xen systems.
> 
> A tiny data point about these domains.  They are hosted by osuosl.org,
> which uses xen systems running with the current dom0 patch set.  Because
> those patches are out-of-tree, they have a hard time updating kernel
> versions, and generally lag kernel.org releases by a lot, which is not
> always a good thing.
> 
> So getting the dom0 patches into mainline will make their lives much
> easier, and more secure.

I know at least a couple of mid-sized hosting companies migrating all or 
part of their infrastructure off Linux/Xen to a proprietary solution, 
because of this very reason (problems with keeping dom0 kernel up to 
date, problems with deploying it on new machines etc.).

-- 
Tomasz Chmielewski
http://wpkg.org

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