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Re: [Xen-devel][PATCH][RFC] Supporting Enlightened Windows 2008 Server

On Wed, Mar 05, 2008 at 03:15:19PM -0700, Ky Srinivasan wrote:
> I am attaching updated versions of the patches that I posted a couple 
> of weeks ago. These  have been merged up to the current unstable tip: 
> changeset 17186:854b0704962b
> These patches have been tested on the unstable tip.

I'm not expert enough to comment on the HV extension implementation itself,
but in terms of the userspace  side, the user visible configuration file 
option 'extid=1' is pretty unpleasant.  It is akin to a 'magic constant'
in C code - no understandable meaning at all.

I'd like to see it accept a named extension type - if its possible to
have multiple extensions per guest, then using a list instead of a scalar
would be better. So how about something closer to

  extensions = [ "win2k8" ]

> +gopts.var('extid', val='EXTID',
> +          fn=set_int, default=0,
> +          use="Specify extention ID for a HVM domain.")
> +

And this help message could list the valid extension names

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