From: John Byrne <john.l.byrne@hp.com>
To: Ian Pratt <m+Ian.Pratt@cl.cam.ac.uk>
Cc: xen-devel <xen-devel@lists.xensource.com>
Subject: Re: Live migration leaves page tables read-only?
Date: Fri, 08 Dec 2006 21:44:31 -0800 [thread overview]
Message-ID: <457A4D3F.5070206@hp.com> (raw)
In-Reply-To: <457A4C68.6050800@hp.com>
John Byrne wrote:
> ...snipped..
> I finally ran down the problem. SAP is protecting the pages PROT_NONE,
> so the page-present bit in the pte is not set and
> canonicalize/uncanonicalize code in save/restore ignore the pte. I've
> attached a patch. It is possible that this change should be made to the
> l1e tests in xc_ptrace.c; I'm not sure.
>
> John Byrne
>
The patch is against xen-unstable changeset 12815:1ad7dff99968.
John Byrne
next prev parent reply other threads:[~2006-12-09 5:44 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-29 0:13 Live migration leaves page tables read-only? John Byrne
2006-11-29 0:22 ` John Byrne
2006-11-29 1:36 ` Ian Pratt
2006-11-29 2:52 ` John Byrne
2006-11-29 7:42 ` Keir Fraser
2006-11-29 16:49 ` John Byrne
2006-11-30 23:36 ` John Byrne
2006-12-01 1:13 ` Ian Pratt
2006-12-09 5:40 ` John Byrne
2006-12-09 5:44 ` John Byrne [this message]
2006-12-09 8:33 ` Ian Pratt
2006-12-09 9:22 ` Keir Fraser
2006-12-09 9:34 ` Keir Fraser
2006-12-09 9:48 ` Keir Fraser
2006-12-11 17:00 ` Joe Bonasera
2006-12-11 18:29 ` Ian Pratt
2006-12-11 19:55 ` John Byrne
2006-12-11 21:30 ` Joe Bonasera
2007-01-14 4:11 ` John Byrne
2007-01-14 8:21 ` Ian Pratt
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