linux-kernel - Re: [PATCH] vhost: introduce vDPA based backend

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Date:   Thu, 30 Jan 2020 21:12:57 -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

On 1/30/20 7:56 PM, Randy Dunlap wrote:
> 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"

oops, missed this one:
	                           vDPA-based

>> +	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