The subject line does not necessarily encompass both patches of this two-patch series, but I left it as versions 1 and 2 used this subject line and I didn't want to confuse those who reviewed those patches. Change log v1->v2: ----------------- * Both of these patches were rebased on Alex's linux-vfio-next tree taken from https://github.com/awilliam/linux-vfio.git. * Replaced kvm_s390_module_hook structure with a function pointer to the interception handler for the PQAP(AQIC) instruction. Tony Krowiak (2): s390/vfio-ap: r/w lock for PQAP interception handler function pointer s390/vfio-ap: replace open coded locks for VFIO_GROUP_NOTIFY_SET_KVM notification arch/s390/include/asm/kvm_host.h | 8 +- arch/s390/kvm/kvm-s390.c | 32 ++++++- arch/s390/kvm/priv.c | 15 +-- drivers/s390/crypto/vfio_ap_ops.c | 127 +++++++++----------------- drivers/s390/crypto/vfio_ap_private.h | 4 +- 5 files changed, 84 insertions(+), 102 deletions(-) -- 2.31.1