Re: [PATCH v11 11/19] s390/mm: KVM: pv: when tearing down, try to destroy protected pages

Nico Boehr
2022-06-08T12:03:38Z

On Fri, 3 Jun 2022 08:56:37 +0200
Claudio Imbrenda <imbrenda@linux.ibm.com> wrote:

> When ptep_get_and_clear_full is called for a mm teardown, we will now
> attempt to destroy the secure pages. This will be faster than export.
>
> In case it was not a teardown, or if for some reason the destroy page
> UVC failed, we try with an export page, like before.
>
> Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
> Acked-by: Janosch Frank <frankja@linux.ibm.com>

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