Re: [PATCH v5 06/14] KVM: s390: pv: properly handle page flags for protected guests

Christian Borntraeger
2021-10-26T11:53:28Z

Am 20.09.21 um 15:24 schrieb Claudio Imbrenda:
> Introduce variants of the convert and destroy page functions that also
> clear the PG_arch_1 bit used to mark them as secure pages.
>
> The PG_arch_1 flag is always allowed to overindicate; using the new
> functions introduced here allows to reduce the extent of overindication
> and thus improve performance.
>
> These new functions can only be called on pages for which a reference
> is already being held.
>
> Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
> Acked-by: Janosch Frank <frankja@linux.ibm.com>
> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>

applied.