Re: [PATCH v4 06/36] s390/mm: add (non)secure page access exceptions handlers

Cornelia Huck
2020-02-25T10:38:09Z

On Mon, 24 Feb 2020 06:40:37 -0500
Christian Borntraeger <borntraeger@de.ibm.com> wrote:

> From: Vasily Gorbik <gor@linux.ibm.com>
>
> Add exceptions handlers performing transparent transition of non-secure
> pages to secure (import) upon guest access and secure pages to
> non-secure (export) upon hypervisor access.
>
> Acked-by: David Hildenbrand <david@redhat.com>
> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
> [frankja@linux.ibm.com: adding checks for failures]
> Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
> [imbrenda@linux.ibm.com: adding a check for gmap fault]
> Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
> [borntraeger@de.ibm.com: patch merging, splitting, fixing]
> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
> ---
> arch/s390/kernel/pgm_check.S | 4 +-
> arch/s390/mm/fault.c | 78 ++++++++++++++++++++++++++++++++++++
> 2 files changed, 80 insertions(+), 2 deletions(-)

Acked-by: Cornelia Huck <cohuck@redhat.com>