return X86EMUL_CONTINUE;
 }
 
-static struct read_write_emulator_ops read_emultor = {
+static const struct read_write_emulator_ops read_emultor = {
        .read_write_prepare = read_prepare,
        .read_write_emulate = read_emulate,
        .read_write_mmio = vcpu_mmio_read,
        .read_write_exit_mmio = read_exit_mmio,
 };
 
-static struct read_write_emulator_ops write_emultor = {
+static const struct read_write_emulator_ops write_emultor = {
        .read_write_emulate = write_emulate,
        .read_write_mmio = write_mmio,
        .read_write_exit_mmio = write_exit_mmio,
                                       unsigned int bytes,
                                       struct x86_exception *exception,
                                       struct kvm_vcpu *vcpu,
-                                      struct read_write_emulator_ops *ops)
+                                      const struct read_write_emulator_ops *ops)
 {
        gpa_t gpa;
        int handled, ret;
 int emulator_read_write(struct x86_emulate_ctxt *ctxt, unsigned long addr,
                        void *val, unsigned int bytes,
                        struct x86_exception *exception,
-                       struct read_write_emulator_ops *ops)
+                       const struct read_write_emulator_ops *ops)
 {
        struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt);
        gpa_t gpa;