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From: Olaf Hering <olaf@aepfle.de>
To: Keir Fraser <keir.xen@gmail.com>
Cc: xen-devel@lists.xen.org
Subject: Re: fixed location of share info page in HVM guests
Date: Tue, 28 Aug 2012 10:23:02 +0200	[thread overview]
Message-ID: <20120828082302.GA27309@aepfle.de> (raw)
In-Reply-To: <CC61CBD5.3CF38%keir.xen@gmail.com>

On Tue, Aug 28, Keir Fraser wrote:

> How about we guarantee that guests can use the 1MB in address range
> 0xFED00000-0xFEDFFFFF for whatever mappings they like, guaranteed unused (or
> at least, mapped with nothing useful) when guest kernel starts?
> 
> This is already, and has always been, the case. But we can etch it in stone
> quite easily. :)

0xFED00000UL is appearently the hpet base adress. But if there is room
after that, then lets use that. However, I'm not familiar with these
things. Should the area appear in the E820 map as reserverd? If so,
where is the code which configures the guests E820 map?

Olaf

  reply	other threads:[~2012-08-28  8:23 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-27 17:55 fixed location of share info page in HVM guests Olaf Hering
2012-08-27 18:10 ` Keir Fraser
2012-08-27 21:32   ` Olaf Hering
2012-08-27 21:51     ` Keir Fraser
2012-08-27 21:56       ` Olaf Hering
2012-08-28  0:13         ` Keir Fraser
2012-08-28  8:23           ` Olaf Hering [this message]
2012-08-28 11:40             ` Keir Fraser
2012-08-28 12:42               ` Olaf Hering
2012-08-28 13:35                 ` Keir Fraser
2012-08-31 23:43                   ` Konrad Rzeszutek Wilk
2012-10-23 19:49                     ` Olaf Hering
2012-10-24  7:31                       ` Jan Beulich
2012-10-24 14:54                         ` Olaf Hering
2012-10-22 18:50               ` Olaf Hering
2012-10-22 12:15                 ` Keir Fraser
2012-10-23  7:34                 ` Jan Beulich
2012-10-23 20:27                   ` Olaf Hering

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