Re: [Xen-devel] [PATCH v3 0/1] Introduce VCPUOP_reset_vcpu_info

[David Vrabel <dvrabel@xxxxxxxxxx>]

On 19/08/14 11:04, Vitaly Kuznetsov wrote:
> The patch and guest code are based on the prototype by Konrad Rzeszutek Wilk.
>
> VCPUOP_reset_vcpu_info is required to support kexec performed by smp pvhvm
> guest. It was tested with the guest code listed below.
Instead of having the guest teardown all these bits of  setup.  I think 
it would be preferable to have the toolstack build a new domain with the 
same memory contents from the original VM.  The toolstack would then 
start this new domain at the kexec entry point.
The advantage of this is you don't need to add new hypercall sub-ops to 
teardown all bits and pieces, both for existing stuff and for anything 
new that might be added.
David

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