linux-kernel - Re: [PATCH 2/3] virt: acrn: Introduce interfaces for virtual device creating/destroying

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Message-ID: <YSDoRlr7xBy60eNa@kroah.com>
Date:   Sat, 21 Aug 2021 13:49:26 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Fei Li <fei1.li@...el.com>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        yu1.wang@...el.com, shuox.liu@...il.com
Subject: Re: [PATCH 2/3] virt: acrn: Introduce interfaces for virtual device
 creating/destroying

On Fri, Aug 20, 2021 at 02:03:05PM +0800, Fei Li wrote:
> From: Shuo Liu <shuo.a.liu@...el.com>
> 
> The ACRN hypervisor can emulate a virtual device within hypervisor for a
> Guest VM. The emulated virtual device can work without the ACRN
> userspace after creation. The hypervisor do the emulation of that device.
> 
> To support the virtual device creating/destroying, HSM provides the
> following ioctls:
>   - ACRN_IOCTL_CREATE_VDEV
>     Pass data struct acrn_vdev from userspace to the hypervisor, and inform
>     the hypervisor to create a virtual device for a User VM.
>   - ACRN_IOCTL_DESTROY_VDEV
>     Pass data struct acrn_vdev from userspace to the hypervisor, and inform
>     the hypervisor to destroy a virtual device of a User VM.
> 
> Signed-off-by: Shuo Liu <shuo.a.liu@...el.com>
> Signed-off-by: Fei Li <fei1.li@...el.com>
> ---
>  drivers/virt/acrn/hsm.c       | 24 ++++++++++++++++++++
>  drivers/virt/acrn/hypercall.h | 26 ++++++++++++++++++++++
>  include/uapi/linux/acrn.h     | 42 +++++++++++++++++++++++++++++++++++
>  3 files changed, 92 insertions(+)
> 


<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>