Re: [Xen-devel] Signalling DomU on TPR write

Keir Fraser
Thu, 01 Jan 2009 09:30:27 -0000

On 01/01/2009 00:57, "James Harper"
<james.harper@bendigoit.com.au> wrote:

> Obviously a number of iterations will be required before all the
> patching is done, but I don''t think that''s a problem.
Patching would
> occur in the DomU with all processors at HIGH_LEVEL (interrupts
> disabled).
>
> Does that sound acceptable?

I''d run with AMD''s static patch tables and see how far that
gets you.
There''s no reason to think Microsoft are going to release any further
kernels without the lazy TPR optimisation.

Otherwise something like you suggest should work.

 -- Keir