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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

  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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