Re: [PATCH] vhost: introduce vDPA based backend

From: Randy Dunlap
Date: Thu Jan 30 2020 - 22:56:57 EST


Hi,

On 1/30/20 7:36 PM, Tiwei Bie wrote:
> diff --git a/drivers/vhost/Kconfig b/drivers/vhost/Kconfig
> index f21c45aa5e07..13e6a94d0243 100644
> --- a/drivers/vhost/Kconfig
> +++ b/drivers/vhost/Kconfig
> @@ -34,6 +34,18 @@ config VHOST_VSOCK
> To compile this driver as a module, choose M here: the module will be called
> vhost_vsock.
>
> +config VHOST_VDPA
> + tristate "Vhost driver for vDPA based backend"
> + depends on EVENTFD && VDPA
> + select VHOST
> + default n
> + ---help---
> + This kernel module can be loaded in host kernel to accelerate
> + guest virtio devices with the vDPA based backends.

vDPA-based

> +
> + To compile this driver as a module, choose M here: the module
> + will be called vhost_vdpa.
> +

The preferred Kconfig style nowadays is
(a) use "help" instead of "---help---"
(b) indent the help text with one tab + 2 spaces

and don't use "default n" since that is already the default.

> config VHOST
> tristate
> depends on VHOST_IOTLB

thanks.
--
~Randy