diff options
Diffstat (limited to 'arch/s390/kvm/kvm-s390.c')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 5c877c8e4494..543c24baf1eb 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -1092,18 +1092,8 @@ retry: */ long kvm_arch_fault_in_page(struct kvm_vcpu *vcpu, gpa_t gpa, int writable) { - struct mm_struct *mm = current->mm; - hva_t hva; - long rc; - - hva = gmap_fault(vcpu->arch.gmap, gpa); - if (IS_ERR_VALUE(hva)) - return (long)hva; - down_read(&mm->mmap_sem); - rc = get_user_pages(current, mm, hva, 1, writable, 0, NULL, NULL); - up_read(&mm->mmap_sem); - - return rc < 0 ? rc : 0; + return gmap_fault(vcpu->arch.gmap, gpa, + writable ? FAULT_FLAG_WRITE : 0); } static void __kvm_inject_pfault_token(struct kvm_vcpu *vcpu, bool start_token, @@ -1683,9 +1673,7 @@ long kvm_arch_vcpu_ioctl(struct file *filp, } #endif case KVM_S390_VCPU_FAULT: { - r = gmap_fault(vcpu->arch.gmap, arg); - if (!IS_ERR_VALUE(r)) - r = 0; + r = gmap_fault(vcpu->arch.gmap, arg, 0); break; } case KVM_ENABLE_CAP: |