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Re: [Xen-users] about windows PV drivers


  • To: "余上" <yusunn@xxxxxxxxx>
  • From: "Emre Erenoglu" <erenoglu@xxxxxxxxx>
  • Date: Mon, 28 Jan 2008 18:07:54 +0100
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Mon, 28 Jan 2008 09:10:13 -0800
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Hi Yushang,

No, it does not allow you to run Windows as a PV guest. However, it does allow a HVM Windows domain to use PV drivers for performance hungry areas, mainly disk i/o and network i/o. This way, performance of the HVM guest approaches to the one of a fully PV guest.

This functionality is provided in the "commercial" versions of Xen, but not in open source version. Therefore, developers are trying to write this from scratch.

Best regards,

Emre

On Jan 28, 2008 6:02 PM, 余上 <yusunn@xxxxxxxxx> wrote:
Hi All ,

What does PV driver standard for . Does it mean I can run windows as a
paravirt guest ?
If so , that sounds cool . It seems paravirt's performance is better , right ?

Thank you
yushang

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Emre Erenoglu
erenoglu@xxxxxxxxx
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