diff options
Diffstat (limited to 'arch/s390/kvm/kvm-s390.c')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index af05328aca2..d6bc65aeb95 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -763,6 +763,19 @@ long kvm_arch_vcpu_ioctl(struct file *filp, return r; } +int kvm_arch_vcpu_fault(struct kvm_vcpu *vcpu, struct vm_fault *vmf) +{ +#ifdef CONFIG_KVM_S390_UCONTROL + if ((vmf->pgoff == KVM_S390_SIE_PAGE_OFFSET) + && (kvm_is_ucontrol(vcpu->kvm))) { + vmf->page = virt_to_page(vcpu->arch.sie_block); + get_page(vmf->page); + return 0; + } +#endif + return VM_FAULT_SIGBUS; +} + /* Section: memory related */ int kvm_arch_prepare_memory_region(struct kvm *kvm, struct kvm_memory_slot *memslot, |