[RFC PATCH v3 3/4] kvmppc: H_SVM_INIT_START and H_SVM_INIT_DONE hcalls
Bharata B Rao
bharata at linux.ibm.com
Tue Feb 19 14:37:46 AEDT 2019
On Tue, Feb 19, 2019 at 02:21:40PM +1100, Paul Mackerras wrote:
> On Wed, Jan 30, 2019 at 11:37:25AM +0530, Bharata B Rao wrote:
> > H_SVM_INIT_START: Initiate securing a VM
> > H_SVM_INIT_DONE: Conclude securing a VM
> >
> > During early guest init, these hcalls will be issued by UV.
> > As part of these hcalls, [un]register memslots with UV.
>
> That last sentence is a bit misleading as it implies that
> H_SVM_INIT_DONE causes us to unregister the memslots with the UV,
> which is not the case. Shouldn't it be "As part of H_SVM_INIT_START,
> register all existing memslots with the UV"?
Ok, makes sense to rephrase.
>
> Also, do we subsequently communicate changes in the memslots to the
> UV?
Yes, currently handing KVM_MR_DELETE, yet to handle KVM_MR_MOVE
Regards,
Bharata.
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