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Re: [Xen-users] Xen substituting UML

To: Leonardo Pinto <leonardo@xxxxxxxxxxxxxxxx>
Subject: Re: [Xen-users] Xen substituting UML
From: "M.A. Williamson" <maw48@xxxxxxxxx>
Date: 28 Jul 2005 01:40:58 +0100
Cc: Mark Williamson <mark.williamson@xxxxxxxxxxxx>, Xen Users <xen-users@xxxxxxxxxxxxxxxxxxx>
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Much thankful by your attention. Forgives me all of this list for my bad
English. Then it wants to say that the efforts now are in other sectors of
the Xen project?! A colleague of a list (linux-br@xxxxxxxxxxxxxxxxxxxxxxx)
spoke here that the Xen does not support above of 4 GB of RAM. That is
truth?

Xen 2.0 doesn't support more than 4GB of RAM, that is correct.

Xen 3.0 will support > 4GB on 32 bit x86 systems using PAE mode. > 4GB on x86_64 will Just Work.

Cheers,
Mark


Greetings,

Leonardo Pinto.


> When finally the Xen will substitute the UML. I heard to speak that it
> would be from Kernel 2.6.10.
>
> Some news sites were reporting Xen had been merged around that timeframe
but
> it's not entirely clear why they thought that - probably one of them got
it
> wrong and all the others copied them ;-)
>
> Nobody's exactly planning to substitute Xen for UML in the mainline. > I'd
say
> Xen is likely to get merged into some kind of "official" kernel in the
next
> couple of releases (i.e. either -mm or the mainline - not sure what the
plan
> is).  After this point UML and Xen will coexist in the kernel for the
> foreseeable future.
>
> In preparation for this, some restructuring is being done to the Xen > architecture code to make it more palatable to the kernel developers by > maximising common code with the x86 and x86_64 architectures - this > should make maintaining the Xen code easier. After that it'll get > submitted for merging.
>
> Cheers,
> Mark
>
> Greetings,
>
> Leonardo Pinto.


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