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authorGleb Natapov <gleb@redhat.com>2013-11-05 16:04:18 +0200
committerGleb Natapov <gleb@redhat.com>2013-11-06 09:28:47 +0200
commit80f5b5e700fa9c58480eafce0d47367bafb70006 (patch)
tree9b7694467e8a47b7a81eea280a3eadef33ca418a /virt
parent27ef63c7e97d1e5dddd85051c03f8d44cc887f34 (diff)
downloadlinux-80f5b5e700fa9c58480eafce0d47367bafb70006.tar.gz
KVM: remove vm mmap method
It was used in conjunction with KVM_SET_MEMORY_REGION ioctl which was removed by b74a07beed0 in 2010, QEMU stopped using it in 2008, so it is time to remove the code finally. Signed-off-by: Gleb Natapov <gleb@redhat.com>
Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/kvm_main.c32
1 files changed, 0 insertions, 32 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 7a317a7f902..10015d6e4d0 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2528,44 +2528,12 @@ out:
}
#endif
-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;
-
- addr = gfn_to_hva(kvm, gfn);
- if (kvm_is_error_hva(addr))
- return VM_FAULT_SIGBUS;
-
- npages = get_user_pages(current, current->mm, addr, 1, 1, 0, page,
- NULL);
- if (unlikely(npages != 1))
- return VM_FAULT_SIGBUS;
-
- vmf->page = page[0];
- return 0;
-}
-
-static const struct vm_operations_struct kvm_vm_vm_ops = {
- .fault = kvm_vm_fault,
-};
-
-static int kvm_vm_mmap(struct file *file, struct vm_area_struct *vma)
-{
- vma->vm_ops = &kvm_vm_vm_ops;
- return 0;
-}
-
static struct file_operations kvm_vm_fops = {
.release = kvm_vm_release,
.unlocked_ioctl = kvm_vm_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = kvm_vm_compat_ioctl,
#endif
- .mmap = kvm_vm_mmap,
.llseek = noop_llseek,
};