Re: [Xen-devel] How to create shadow page table of my own?

[Tim Deegan <Tim.Deegan@xxxxxxxxxx>]

At 06:53 +0000 on 21 Feb (1298271222), ?????? wrote:
> And now I want to create shadow page table of my own for this two
> sections so that when the kernel use the security server of selinux,
> it will use my own SPT to access code & data rather than the
> auto-generated SPT for the kernel.
> 
> So, where should I begin to achieve my goal, how can I maintain my SPT
> in the hypervisor.  

The shadow pagetable code lives in xen/arch/x86/mm/shadow/.  It shadows
pagetable pages, not address spaces, so if you want to maintain separate
sets of shadow pagetables you might have to duplicate a lot of state. 

Tim.

-- 
Tim Deegan <Tim.Deegan@xxxxxxxxxx>
Principal Software Engineer, Xen Platform Team
Citrix Systems UK Ltd.  (Company #02937203, SL9 0BG)

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