From: Keir Fraser <keir@xensource.com>
To: Gerd Hoffmann <kraxel@suse.de>
Cc: Xen devel list <xen-devel@lists.xensource.com>
Subject: Re: changeset 13403 ...
Date: Mon, 29 Jan 2007 13:48:07 +0000 [thread overview]
Message-ID: <C1E3AB97.8601%keir@xensource.com> (raw)
In-Reply-To: <45BDF947.6080300@suse.de>
On 29/1/07 13:40, "Gerd Hoffmann" <kraxel@suse.de> wrote:
> Just noticed that domU kexec doesn't work any more, changeset 13403 is
> the culpit. Hmm. No, it isn't easy to work-around ...
>
> cheers,
Two pagetable switches in a single multicall? First switch is to a pagetable
which maps only the multicall structure. This small intermediate table has
to be mapped read-only in the original pagetables and in the final
pagetables, but it will only be a few pages of memory (4 in the worst case).
-- Keir
next prev parent reply other threads:[~2007-01-29 13:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-29 13:40 changeset 13403 Gerd Hoffmann
2007-01-29 13:48 ` Keir Fraser [this message]
2007-01-29 13:55 ` Keir Fraser
2007-01-29 14:47 ` Gerd Hoffmann
2007-01-29 15:06 ` Keir Fraser
2007-01-29 15:35 ` Gerd Hoffmann
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