Re: [PATCH v11 13/19] KVM: s390: pv: destroy the configuration before its memory

Nico Boehr
2022-06-08T12:07:06Z

On Fri, 3 Jun 2022 08:56:39 +0200
Claudio Imbrenda <imbrenda@linux.ibm.com> wrote:

> Move the Destroy Secure Configuration UVC before the loop to destroy
> the memory. If the protected VM has memory, it will be cleaned up and
> made accessible by the Destroy Secure Configuraion UVC. The struct
> page for the relevant pages will still have the protected bit set, so
> the loop is still needed to clean that up.
>
> Switching the order of those two operations does not change the
> outcome, but it is significantly faster.
>
> Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>

Reviewed-by: Nico Boehr <nrb@linux.ibm.com>