From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Samuel Thibault <samuel.thibault@ens-lyon.org>,
"karim.allah.ahmed@gmail.com" <karim.allah.ahmed@gmail.com>,
xen-devel@lists.xen.org
Subject: Re: Enable virtual memory for Mini-os on ARM
Date: Mon, 23 Dec 2013 12:07:38 +0000 [thread overview]
Message-ID: <52B8278A.3060804@citrix.com> (raw)
In-Reply-To: <20131223103852.GC5594@type.youpi.perso.aquilenet.fr>
On 23/12/2013 10:38, Samuel Thibault wrote:
> karim.allah.ahmed@gmail.com, le Mon 23 Dec 2013 10:23:01 +0000, a écrit :
>> Why do I need to create pagetables and fill them for mini-os ?
> I don't know the virtual memory of ARM, but on x86 we definitely need a
> pagetable because very often we need to map/unmap things, like granted
> mfns, i/o areas, foreign pages, etc.
>
> Samuel
More importantly, an x86 PV guest *cannot* run in non-paging mode.
This, I believe, is different to ARM, where an ARM guest is rather more
like x86 HVM guests, which have a full processor to play with.
~Andrew
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel
next prev parent reply other threads:[~2013-12-23 12:07 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-23 10:23 Enable virtual memory for Mini-os on ARM karim.allah.ahmed
2013-12-23 10:38 ` Samuel Thibault
2013-12-23 12:07 ` Andrew Cooper [this message]
2013-12-23 12:21 ` Samuel Thibault
2013-12-23 12:52 ` karim.allah.ahmed
2013-12-23 13:21 ` Samuel Thibault
2013-12-23 14:59 ` karim.allah.ahmed
2014-01-06 10:52 ` Ian Campbell
2013-12-23 16:01 ` Dario Faggioli
2013-12-23 16:21 ` Chen Baozi
2013-12-24 1:44 ` karim.allah.ahmed
[not found] ` <CAOTdubvCQyZ4PbOp2bZw0RM16x0Lb=jezUu=usO6_4FWQ6KOpw@mail.gmail.com>
2013-12-24 13:21 ` Dario Faggioli
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