netdev - Re: [PATCH v2] vhost: add vhost_test to Kconfig & Makefile

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Date:   Thu, 6 Jan 2022 07:24:47 -0500
From:   "Michael S. Tsirkin" <mst@...hat.com>
To:     Cai Huoqing <caihuoqing@...du.com>
Cc:     jasowang@...hat.com, leon@...nel.org, kvm@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org
Subject: Re: [PATCH v2] vhost: add vhost_test to Kconfig & Makefile

On Thu, Jun 17, 2021 at 11:38:44AM +0800, Cai Huoqing wrote:
> When running vhost test, make it easier to config
> 
> Signed-off-by: Cai Huoqing <caihuoqing@...du.com>

I'd stick this under Kernel Testing and Coverage or something like this.
The point being we don't want this in release kernels by mistake.

> ---
>  drivers/vhost/Kconfig  | 11 +++++++++++
>  drivers/vhost/Makefile |  3 +++
>  2 files changed, 14 insertions(+)
> 
> diff --git a/drivers/vhost/Kconfig b/drivers/vhost/Kconfig
> index 587fbae06182..ac2bffd6a501 100644
> --- a/drivers/vhost/Kconfig
> +++ b/drivers/vhost/Kconfig
> @@ -61,6 +61,17 @@ config VHOST_VSOCK
>         To compile this driver as a module, choose M here: the module will be called
>         vhost_vsock.
>  
> +config VHOST_TEST
> +       tristate "vhost virtio-test driver"
> +       depends on EVENTFD
> +       select VHOST
> +       help
> +       This kernel module can be loaded in the host kernel to test vhost function
> +       with tools/virtio-test.
> +
> +       To compile this driver as a module, choose M here: the module will be called
> +       vhost_test.
> +
>  config VHOST_VDPA
>         tristate "Vhost driver for vDPA-based backend"
>         depends on EVENTFD
> diff --git a/drivers/vhost/Makefile b/drivers/vhost/Makefile
> index f3e1897cce85..cf31c1f2652d 100644
> --- a/drivers/vhost/Makefile
> +++ b/drivers/vhost/Makefile
> @@ -8,6 +8,9 @@ vhost_scsi-y := scsi.o
>  obj-$(CONFIG_VHOST_VSOCK) += vhost_vsock.o
>  vhost_vsock-y := vsock.o
>  
> +obj-$(CONFIG_VHOST_TEST) += vhost_test.o
> +vhost_test-y := test.o
> +
>  obj-$(CONFIG_VHOST_RING) += vringh.o
>  
>  obj-$(CONFIG_VHOST_VDPA) += vhost_vdpa.o
> -- 
> 2.22.0