diff --git a/[refs] b/[refs] index 93752657f4d8..e6fbfdc7f7d7 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: bfadaded0dc323a1cf3f08b5068f12955b54cbaa +refs/heads/master: 777b3f49d297e387866604093b635e5bc9b9d2a6 diff --git a/trunk/virt/kvm/kvm_main.c b/trunk/virt/kvm/kvm_main.c index f42d5c2a396d..2907d05cfcc3 100644 --- a/trunk/virt/kvm/kvm_main.c +++ b/trunk/virt/kvm/kvm_main.c @@ -1394,17 +1394,22 @@ static long kvm_vm_ioctl(struct file *filp, static int kvm_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { + struct page *page[1]; + unsigned long addr; + int npages; + gfn_t gfn = vmf->pgoff; struct kvm *kvm = vma->vm_file->private_data; - struct page *page; - if (!kvm_is_visible_gfn(kvm, vmf->pgoff)) + addr = gfn_to_hva(kvm, gfn); + if (kvm_is_error_hva(addr)) return VM_FAULT_SIGBUS; - page = gfn_to_page(kvm, vmf->pgoff); - if (is_error_page(page)) { - kvm_release_page_clean(page); + + npages = get_user_pages(current, current->mm, addr, 1, 1, 0, page, + NULL); + if (unlikely(npages != 1)) return VM_FAULT_SIGBUS; - } - vmf->page = page; + + vmf->page = page[0]; return 0; }