From: Gerd Hoffmann <kraxel@suse.de>
To: Jan Beulich <jbeulich@novell.com>
Cc: xen-devel@lists.xensource.com
Subject: Re: feature flags use
Date: Fri, 10 Nov 2006 16:09:40 +0100 [thread overview]
Message-ID: <45549634.5020508@suse.de> (raw)
In-Reply-To: <4554A248.76E4.0078.0@novell.com>
Jan Beulich wrote:
>> Works the other way around: The flags are xen-specfic, not guest
>> specific. The guest has to check whenever xen supports pgd's above 4GB
>> before placing them there.
>
> By itself, this makes sense, but what's the purpose of the guest advertising
> it supports this via the feature string then?
Dunno. Well, in theory the domain builder would be able to take care
then and allow placing the initial pgd above 4GB only if the guest (and
xen, but that is implicit due to xen and tools must match) can handle
it. In practice the domain builder doesn't.
cheers,
Gerd
--
Gerd Hoffmann <kraxel@suse.de>
http://www.suse.de/~kraxel/julika-dora.jpeg
next prev parent reply other threads:[~2006-11-10 15:09 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-10 14:16 feature flags use Jan Beulich
2006-11-10 14:52 ` Gerd Hoffmann
2006-11-10 15:01 ` Jan Beulich
2006-11-10 15:09 ` Gerd Hoffmann [this message]
[not found] ` <C17A3E57.449F%keir@xensource.com>
2006-11-10 14:59 ` Jan Beulich
2006-11-10 15:07 ` Ian Pratt
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