From: Gerd Hoffmann <kraxel@suse.de>
To: Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
Cc: Xen devel list <xen-devel@lists.xensource.com>
Subject: Re: guest kexec / domU boot loader
Date: Wed, 15 Mar 2006 12:40:32 +0100 [thread overview]
Message-ID: <4417FD30.6020802@suse.de> (raw)
In-Reply-To: <7ab24978871318ae238e7e362c861706@cl.cam.ac.uk>
Keir Fraser wrote:
> With auto_translate, you should use the new MEMOP_add_to_physmap call.
> It allows you to move shared_info and grant_table pages around in the
> physmap space (if you call and they already have a mapping, the old
> mapping goes away).
What happens with the place where the mapping was? Does a hole appear
there or is the "magic" page replaced by a normal page? Can I move the
console and xenstore pages too?
> I could also add a gpfn special value to have them
> removed from the physmap entirely (maybe useful for kexec?).
I don't see a need for that right now.
cheers,
Gerd
--
Gerd 'just married' Hoffmann <kraxel@suse.de>
I'm the hacker formerly known as Gerd Knorr.
http://www.suse.de/~kraxel/just-married.jpeg
next prev parent reply other threads:[~2006-03-15 11:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-10 10:53 guest kexec / domU boot loader Gerd Hoffmann
2006-03-10 14:11 ` Jacob Gorm Hansen
2006-03-11 9:42 ` Keir Fraser
2006-03-15 11:40 ` Gerd Hoffmann [this message]
2006-03-15 11:51 ` Keir Fraser
2006-03-15 12:18 ` Gerd Hoffmann
2006-03-15 16:42 ` Keir Fraser
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