This series enables general KVM support for AP-passthrough for Secure
Execution guests (pv-guests).
To enable AP inside pv-guests two things have to be done/considered:
1) set corresponding flags in the Create Secure Configuration UVC ifi
firmware supports AP for pv-guests (patch 3).
2) enable/disable AP in pv-guests if the VMM wants this (patch 2).
since v1:
- PATCH 1: r-b from Claudio
- PATCH 2: fixed formatting issues (Claudio)
- PATCH 3: removed unnecessary checks (Claudio)
Steffen
Steffen Eiden (3):
s390: uv: UV feature check utility
KVM: s390: Add UV feature negotiation
KVM: s390: pv: Allow AP-instructions for pv guests
arch/s390/include/asm/kvm_host.h | 2 ++
arch/s390/include/asm/uv.h | 17 ++++++++-
arch/s390/include/uapi/asm/kvm.h | 25 +++++++++++++
arch/s390/kernel/uv.c | 2 +-
arch/s390/kvm/kvm-s390.c | 62 +++++++++++++++++++++++++++++++-
arch/s390/kvm/pv.c | 6 ++--
arch/s390/mm/fault.c | 2 +-
7 files changed, 110 insertions(+), 6 deletions(-)
--
2.40.1
