KVM: Remove kernel-allocated memory regions

Equivalent (and better) functionality is provided by user-allocated memory
regions.

Signed-off-by: Avi Kivity <avi@redhat.com>

1 files changed, 0 insertions, 16 deletions

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 62596d373a4..9be6e4e5e8e 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2967,22 +2967,6 @@ long kvm_arch_vm_ioctl(struct file *filp,
                         goto out;
                 break;
         }
-        case KVM_SET_MEMORY_REGION: {
-                struct kvm_memory_region kvm_mem;
-                struct kvm_userspace_memory_region kvm_userspace_mem;
-
-                r = -EFAULT;
-                if (copy_from_user(&kvm_mem, argp, sizeof kvm_mem))
-                        goto out;
-                kvm_userspace_mem.slot = kvm_mem.slot;
-                kvm_userspace_mem.flags = kvm_mem.flags;
-                kvm_userspace_mem.guest_phys_addr = kvm_mem.guest_phys_addr;
-                kvm_userspace_mem.memory_size = kvm_mem.memory_size;
-                r = kvm_vm_ioctl_set_memory_region(kvm, &kvm_userspace_mem, 0);
-                if (r)
-                        goto out;
-                break;
-        }
         case KVM_SET_NR_MMU_PAGES:
                 r = kvm_vm_ioctl_set_nr_mmu_pages(kvm, arg);
                 if (r)