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Re: [Xen-users] What does viridian=1 do?

To: Pasi Kärkkäinen <pasik@xxxxxx>
Subject: Re: [Xen-users] What does viridian=1 do?
From: Florian Manschwetus <florianmanschwetus@xxxxxx>
Date: Thu, 20 Aug 2009 13:14:13 +0200
Cc: Pekka.Panula@xxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx
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Am 20.08.2009 09:35, schrieb Pasi Kärkkäinen:
On Thu, Aug 20, 2009 at 08:52:39AM +0300, Pekka.Panula@xxxxxxxx wrote:

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:

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. As I mentioned before a first real win would be to exploit the viridian stuff to get an out-of-box working shutdown notification.


-- Pasi

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