Re: [Xen-devel] Re: Are linker scripts needed?

[Arun Sharma <arun.sharma@xxxxxxxxx>]

On Mon, May 23, 2005 at 01:54:29PM +0100, Keir Fraser wrote:
> 
> I thought that VMX provided a virtual equivalent of SMM, where 
> management and emulation code can run under the OS's feet without it 
> realising? 

Yes, this is how vmxassist implements real mode support.

> If this is not provided then I do not think the trick can 
> work, as you would need to steal some virtual address space in which to 
> execute the qemu code.

The "world switch" can switch to a different address space (CR3 on
x86/RID on ia64), without having to steal guest virtual.

        -Arun

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