Frank, That's nice to hear. Let me know if I can be helpful. On the long run, I wouldn't be suprised if you guys implement a type 1 hypervisor from current vbox code. - hl
--- On Wed, 9/16/09, Frank Mehnert <[email protected]> wrote: From: Frank Mehnert <[email protected]> Subject: Re: [vbox-dev] about Hyper-V hypercall interface? To: [email protected] Date: Wednesday, September 16, 2009, 12:08 AM Hi, On Wednesday 16 September 2009, Huihong Luo wrote: > Not sure if this makes sene. I was wondering whether performance would be > improved if vbox implements Hyper-V enlightenment interfaces? > Windows 7 (and later) is hypervisor aware. You can confirm this by checking > the presence of winhv.sys, vmbus.sys, etc in system32\drivers dir. These > drivers can pass through hardware requests directly to host. What if vbox > implement some of them, and Windows 7 thinks itself is running on top of a > hypervisor, hopefully it will be better performed as a guest OS? > Any plan in this direction? > > I checked Xen code, it implements a few of such calls. Support is planned. Of course it makes sense to implement such interfaces -- if they are well-accepted. In fact this is para-virtualization: Make the guest aware that it runs inside a VM. Kind regards, Frank -- Dr.-Ing. Frank Mehnert Sitz der Gesellschaft: Sun Microsystems GmbH, Sonnenallee 1, 85551 Kirchheim-Heimstetten Amtsgericht München: HRB 161028 Geschäftsführer: Thomas Schröder, Wolfgang Engels, Wolf Frenkel Vorsitzender des Aufsichtsrates: Martin Häring -----Inline Attachment Follows----- _______________________________________________ vbox-dev mailing list [email protected] http://vbox.innotek.de/mailman/listinfo/vbox-dev
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