Hi Sean,
<snip>
...
> @@ -5134,6 +5167,16 @@ static long kvm_vm_ioctl(struct file *filp,
> case KVM_GET_STATS_FD:
> r = kvm_vm_ioctl_get_stats_fd(kvm);
> break;
> + case KVM_CREATE_GUEST_MEMFD: {
> + struct kvm_create_guest_memfd guest_memfd;
> +
> + r = -EFAULT;
> + if (copy_from_user(&guest_memfd, argp, sizeof(guest_memfd)))
> + goto out;
> +
> + r = kvm_gmem_create(kvm, &guest_memfd);
> + break;
> + }
I'm thinking line of sight here, by having this as a vm ioctl (rather
than a system iocl), would it complicate making it possible in the
future to share/donate memory between VMs?
Cheers,
/fuad
