linux-kernel - Re: [Xen-devel] [RFC PATCH] Boot PV guests with more than 128GB (v1) for 3.7

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Message-Id: <501260980200007800090E08@nat28.tlf.novell.com>
Date:	Fri, 27 Jul 2012 08:34:16 +0100
From:	"Jan Beulich" <JBeulich@...e.com>
To:	"Ian Jackson" <Ian.Jackson@...citrix.com>,
	"Konrad Rzeszutek Wilk" <konrad.wilk@...cle.com>
Cc:	"xen-devel" <xen-devel@...ts.xen.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [Xen-devel] [RFC PATCH] Boot PV guests with more than
 128GB (v1) for 3.7

>>> On 26.07.12 at 22:47, Konrad Rzeszutek Wilk <konrad.wilk@...cle.com> wrote:
>  2). Allocate a new array, copy the existing P2M into it,
>     revector the P2M tree to use that, and return the old
>     P2M to the memory allocate. This has the advantage that
>     it sets the stage for using XEN_ELF_NOTE_INIT_P2M
>     feature. That feature allows us to set the exact virtual
>     address space we want for the P2M - and allows us to
>     boot as initial domain on large machines.

And I would hope that the tools would get updated to recognize
this note too, so that huge DomU-s would become possible as
well.

Jan

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