Re: [Xen-devel] [PATCH][v2] Hybrid extension support in Xen

[Tim Deegan <Tim.Deegan@xxxxxxxxxx>]

At 13:50 +0000 on 02 Feb (1265118605), Ian Campbell wrote:
> I wonder if we could turn things around and have the guest pick some
> pages and tell the hypervisor to put the grant table there, removing the
> need to reserve any of the physical address space up front. 

Yes; this is how all existing PV-on-HVM drivers work, using the
grant-table hypercall.  I don't see the need to add another mechanism.

Tim.

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, Citrix Systems (R&D) Ltd.
[Company #02300071, SL9 0DZ, UK.]

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