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xen-users
Re: [Xen-users] What does viridian=1 do?
On Thu, Aug 20, 2009 at 01:14:13PM +0200, Florian Manschwetus wrote:
> Am 20.08.2009 09:35, schrieb Pasi Kärkkäinen:
> >On Thu, Aug 20, 2009 at 08:52:39AM +0300, Pekka.Panula@xxxxxxxx wrote:
> >>Hi
> >>
> >>I'm wondering what does viridian=1 option actually does? I installed Xen
> >>3.4.1 from Gitco's and installed Windows 2008 R2 (standard) server,
> >>64-bit, which supposed is hyper-v aware? But looking device manager i dont
> >>see anything special, still all using emulation drivers. Should i install
> >>Hyper-V IC?
> >>
> >
> >See here for more information:
> >http://lists.xensource.com/archives/html/xen-users/2009-07/msg00661.html
> >
> >So for faster IO you need GPLPV drivers.
> I still would vote for further investigation and development on viridian
> enlighten IO. It would bring us out of the hell with driver signing, and
> would also make a lot of stuff easier from the users stand.
> The work of James Harper is pretty good but for 2008 x64 more than just
> far away from ready for production.
Yes, definitely that would be good.
Feel free to start working on it :) I believe the needed viridian interfaces
can be seen at least from linux hyper-v driver (linux-ic). Also iirc ms
released some docs about the interfaces.
> As I mentioned before a first real win would be to exploit the viridian
> stuff to get an out-of-box working shutdown notification.
>
Indeed.
-- Pasi
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