This small series fixes two bugs in s390 KVM. One is small and trivial, the other is pretty bad. * The wrong type of flag was being passed to vcpu_dat_fault_handler(); it expects a FOLL_* flag, but a FAULT_FLAG_* was passed instead. * Due to incorrect usage of mmu_notifier_register(), in some rare cases when running a secure guest, the struct mm for the userspace process would get freed too early and cause a use-after-free. v1->v2 * Rename the parameters of __kvm_s390_handle_dat_fault() and vcpu_dat_fault_handler() from flags to foll (thanks Christian) Claudio Imbrenda (2): KVM: s390: Fix incorrect usage of mmu_notifier_register() KVM: s390: Fix FOLL_*/FAULT_FLAG_* confusion arch/s390/kvm/kvm-s390.c | 24 ++++++++++++------------ arch/s390/kvm/pv.c | 14 +++++++++----- 2 files changed, 21 insertions(+), 17 deletions(-) -- 2.50.1