Re: [PATCH v4] virt: vmgenid: introduce driver for reinitializing RNG on VM fork

[Greg KH]

On Fri, Feb 25, 2022 at 01:48:48PM +0100, Jason A. Donenfeld wrote:
> +static struct acpi_driver acpi_driver = {
> +     .name = "vmgenid",
> +     .ids = vmgenid_ids,
> +     .owner = THIS_MODULE,
> +     .ops = {
> +             .add = vmgenid_acpi_add,
> +             .notify = vmgenid_acpi_notify,
> +     }
> +};
> +
> +static int __init vmgenid_init(void)
> +{
> +     return acpi_bus_register_driver(&acpi_driver);
> +}
> +
> +static void __exit vmgenid_exit(void)
> +{
> +     acpi_bus_unregister_driver(&acpi_driver);
> +}
> +
> +module_init(vmgenid_init);
> +module_exit(vmgenid_exit);

Nit, you could use module_acpi_driver() to make this even smaller if you
want to.

thanks,

greg k-h