Xen devel - Oct 2007 - Testing for shadow modes

Hi all.

I''m looking for the ''correct'' way to inquire about
the present shadow
mode of a running domain. OP_ENABLE_TEST sounds interesting, but does
not look like what I mean it to do.

Is this just missing, or am I missing something?

regards,
daniel

-- 
Daniel Stodden
LRR     -      Lehrstuhl für Rechnertechnik und Rechnerorganisation
Institut für Informatik der TU München             D-85748 Garching
http://www.lrr.in.tum.de/~stodden         mailto:stodden@cs.tum.edu
PGP Fingerprint: F5A4 1575 4C56 E26A 0B33  3D80 457E 82AE B0D8 735B



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At 15:57 +0200 on 07 Oct (1191772654), Daniel Stodden
wrote:
> I''m looking for the ''correct'' way to inquire
about the present shadow
> mode of a running domain. OP_ENABLE_TEST sounds interesting, but does
> not look like what I mean it to do.
>
> Is this just missing, or am I missing something?
Yep, it''s just missing.  You _can_ query how much shadow memory is
allocated for the domain, and it would be straightforward to add a
shadow operation to query the current mode.  If you''re the control
tools, you might remember what you''ve done to the domain before.  Also,
operations like enabling shadow mode ought to be idempotent.

Cheers,

Tim.

-- 
Tim Deegan <Tim.Deegan@xensource.com>, XenSource UK Limited
Registered office c/o EC2Y 5EB, UK; company number 05334508

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