Re: Mapping pages from dom0

[Jacob Gorm Hansen <jacobg@diku.dk>]

Jacob Gorm Hansen wrote:
> Mark Williamson wrote:
> 
>>> I am mapping some pages in a domU from dom0 userspace. Doing that once I
>>> know the page numbers is fairly trivial, but what is the recommended way
>>> of communicating one or more page numbers from domU to dom0, hopefully
>>> without having to modify xend?
>>
>>
>>
>> Hrrrm.  There was talk of a simple generic control message that could 
>> be used for this sort of thing but I'm not sure if it's been implemented.
> 
> 
> Sad. I tried sticking this at the last four bytes of the shared_info 
> page, but apparently that one gets cleared every now and then :-(

Anyway, for now I guess I can just extend the shared_info_t struct and 
things should work, but in the longer run it might be nice to have some 
kind of simple mechanism for doing this stuff.

Jacob


-------------------------------------------------------
This SF.Net email is sponsored by: IntelliVIEW -- Interactive Reporting
Tool for open source databases. Create drag-&-drop reports. Save time
by over 75%! Publish reports on the web. Export to DOC, XLS, RTF, etc.
Download a FREE copy at http://www.intelliview.com/go/osdn_nl