[PATCH v2 0/1] KVM: s390: pv: make use of ultravisor AIV support

From: Michael Mueller
Date: Tue Feb 08 2022 - 11:53:41 EST


This patch enables the ultravisor adapter interruption vitualization
support.

Changes in v2:
- moved GISA disable into "put CPUs in PV mode" routine
- moved GISA enable into "pull CPUs out of PV mode" routine

[1] https://lore.kernel.org/lkml/ae7c65d8-f632-a7f4-926a-50b9660673a1@xxxxxxxxxxxxx/T/#mcb67699bf458ba7482f6b7529afe589d1dbb5930

Michael Mueller (1):
KVM: s390: pv: make use of ultravisor AIV support

arch/s390/include/asm/uv.h | 1 +
arch/s390/kvm/interrupt.c | 53 +++++++++++++++++++++++++++++++++-----
arch/s390/kvm/kvm-s390.c | 12 ++++++---
arch/s390/kvm/kvm-s390.h | 11 ++++++++
4 files changed, 68 insertions(+), 9 deletions(-)

--
2.32.0