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SubjectRe: [PATCH v3 2/4] KVM: s390: vsie: Fix length of facility list shadowed
On Wed, Nov 08, 2023 at 06:12:27PM +0100, Nina Schoetterl-Glausch wrote:
> The length of the facility list accessed when interpretively executing
> STFLE is the same as the hosts facility list (in case of format-0)
> When shadowing, copy only those bytes.
> The memory following the facility list need not be accessible, in which
> case we'd wrongly inject a validity intercept.
>
> Acked-by: David Hildenbrand <david@redhat.com>
> Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
> Signed-off-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
> ---
> arch/s390/include/asm/facility.h | 6 ++++++
> arch/s390/kernel/Makefile | 2 +-
> arch/s390/kernel/facility.c | 21 +++++++++++++++++++++
> arch/s390/kvm/vsie.c | 12 +++++++++++-
> 4 files changed, 39 insertions(+), 2 deletions(-)
> create mode 100644 arch/s390/kernel/facility.c

For the non-KVM part:
Acked-by: Heiko Carstens <hca@linux.ibm.com>

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