Re: [PATCH v10 04/21] virt: geniezone: Add GenieZone hypervisor driver

From: Simon Horman
Date: Mon Apr 15 2024 - 10:30:45 EST


On Fri, Apr 12, 2024 at 02:57:01PM +0800, Yi-De Wu wrote:
> From: "Yingshiuan Pan" <yingshiuan.pan@xxxxxxxxxxxx>
>
> GenieZone hypervisor(gzvm) is a type-1 hypervisor that supports various
> virtual machine types and provides security features such as TEE-like
> scenarios and secure boot. It can create guest VMs for security use
> cases and has virtualization capabilities for both platform and
> interrupt. Although the hypervisor can be booted independently, it
> requires the assistance of GenieZone hypervisor kernel driver(gzvm-ko)
> to leverage the ability of Linux kernel for vCPU scheduling, memory
> management, inter-VM communication and virtio backend support.
>
> Add the basic hypervisor driver. Subsequent patches will add more
> supported features to this driver.
>
> Signed-off-by: Yingshiuan Pan <yingshiuan.pan@xxxxxxxxxxxx>
> Signed-off-by: Jerry Wang <ze-yu.wang@xxxxxxxxxxxx>
> Signed-off-by: Liju Chen <liju-clr.chen@xxxxxxxxxxxx>
> Signed-off-by: Yi-De Wu <yi-de.wu@xxxxxxxxxxxx>

..

> +static struct platform_driver gzvm_driver = {
> + .probe = gzvm_drv_probe,
> + .remove = gzvm_drv_remove,
> + .driver = {
> + .name = KBUILD_MODNAME,
> + .owner = THIS_MODULE,

Hi Yi-De Wu,

A minor nit from my side:

There is no need to set owner here as
owner is set (overridden) by module_platform_driver().

Flagged by Coccinelle.

> + .of_match_table = gzvm_of_match,
> + },
> +};
> +
> +module_platform_driver(gzvm_driver);
> +
> +MODULE_DEVICE_TABLE(of, gzvm_of_match);
> +MODULE_AUTHOR("MediaTek");
> +MODULE_DESCRIPTION("GenieZone interface for VMM");
> +MODULE_LICENSE("GPL");

..