netdev - Re: [PATCH] vhost: introduce vDPA based backend

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Message-ID: <43aeecb4-4c08-df3d-1c1d-699ec4c494bd@infradead.org>
Date:   Thu, 30 Jan 2020 19:56:43 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Tiwei Bie <tiwei.bie@...el.com>, mst@...hat.com,
        jasowang@...hat.com
Cc:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org,
        shahafs@...lanox.com, jgg@...lanox.com, rob.miller@...adcom.com,
        haotian.wang@...ive.com, eperezma@...hat.com, lulu@...hat.com,
        parav@...lanox.com, hch@...radead.org, jiri@...lanox.com,
        hanand@...inx.com, mhabets@...arflare.com,
        maxime.coquelin@...hat.com, lingshan.zhu@...el.com,
        dan.daly@...el.com, cunming.liang@...el.com, zhihong.wang@...el.com
Subject: Re: [PATCH] vhost: introduce vDPA based backend

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