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From: Jacob Gorm Hansen <jacobg@diku.dk>
To: Jacob Gorm Hansen <jacobg@diku.dk>
Cc: Ian Pratt <m+Ian.Pratt@cl.cam.ac.uk>,
	xen-devel <xen-devel@lists.xensource.com>
Subject: Re: Tracking changes to writable page tables
Date: Sun, 15 May 2005 00:26:49 -0700	[thread overview]
Message-ID: <4286F9B9.7070403@diku.dk> (raw)
In-Reply-To: <4286F58A.6070205@diku.dk>

Jacob Gorm Hansen wrote:
> Ian Pratt wrote:

>>
>>
>> Hmm, I can see that the current model makes like difficult for you
>> (though self-migration is a pretty twisted thing to be trying to do
>> anyway :-)
>>
> 
> Hmm while we are discussing twisted things; would it be possible to 
> implement writable page tables in the guest rather than in Xen?
> 

On a related note, is there any way of querying the pinning status of 
pages from Xen? I used to have two global bitmaps in the guest, one for 
l1 and one for l2, but I suppose I could just as well add a 
get-pinned-status(mfn) hypercall to Xen, if there is not one already?

Or I could add this info to struct page in Linux.

thanks,
Jacob

  reply	other threads:[~2005-05-15  7:26 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-15  4:57 Tracking changes to writable page tables Ian Pratt
2005-05-15  7:08 ` Jacob Gorm Hansen
2005-05-15  7:26   ` Jacob Gorm Hansen [this message]
2005-05-15  8:30 ` Jacob Gorm Hansen
2005-05-15 19:23 ` Jacob Gorm Hansen
  -- strict thread matches above, loose matches on Subject: below --
2005-05-15 10:00 Ian Pratt
2005-05-15  9:50 Ian Pratt
2005-05-15  2:17 Jacob Gorm Hansen

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