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Re: [Xen-devel] [RFC] New shadow paging code

from [Tim Deegan] [Permanent Link][Original]
To: James Morris <jmorris@xxxxxxxxxx>
Subject: Re: [Xen-devel] [RFC] New shadow paging code
From: Tim Deegan <Tim.Deegan@xxxxxxxxxxxxx>
Date: Sat, 12 Aug 2006 10:40:30 +0100
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At 15:48 -0400 on 11 Aug (1155311280), James Morris wrote:
> Have you considered using binary patching (similar to the paravirt_ops
> technique), so that the final shadow mode ops are invoked directly?

I don't think we would get very much benefit from it.  In SMP HVM
guests, different vcpus can be in different shadow modes, so there would
still have to be a per-vcpu lookup to choose which mode to use.

Cheers,

Tim.

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