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Re: [Xen-devel] [PATCH for-4.5 v6 08/16] xen: Add limited support of VMware's hyper-call rpc

On Mon, 2014-09-22 at 17:18 -0400, Don Slutz wrote:
> On 09/22/14 09:47, Ian Campbell wrote:
> > On Sat, 2014-09-20 at 14:07 -0400, Don Slutz wrote:
> >> This interface is an extension of __HYPERVISOR_HVM_op.  It was
> >> picked because xc_get_hvm_param() also uses it and VMware guest
> >> info is a lot like a hvm param.
> > Sorry if this has been discussed before, but did you consider doing all
> > this in qemu rather than Xen?
> Yes, but QEMU does not have access to the VCPU registers.  Also QEMU 
> does not have this code; so would also need it to be added.

I thought you said KVM had this functionality already? If so then the
bulk of the code should be there already.

> A second part would be adding a way for a tool stack to
> communicate with QEMU to access this data.  xenstore/xenbus might
> be one way to do this.

qmp would be the more modern way I think.


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