netdev - Re: [PATCH V3 4/5] virtio: introduce a vDPA based transport

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Message-ID: <0f796bc9-3e27-38ae-9d7a-bf2be2a9f8ab@redhat.com>
Date:   Thu, 20 Feb 2020 13:40:52 +0800
From:   Jason Wang <jasowang@...hat.com>
To:     Randy Dunlap <rdunlap@...radead.org>, mst@...hat.com,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, netdev@...r.kernel.org
Cc:     tiwei.bie@...el.com, jgg@...lanox.com, maxime.coquelin@...hat.com,
        cunming.liang@...el.com, zhihong.wang@...el.com,
        rob.miller@...adcom.com, xiao.w.wang@...el.com,
        haotian.wang@...ive.com, lingshan.zhu@...el.com,
        eperezma@...hat.com, lulu@...hat.com, parav@...lanox.com,
        kevin.tian@...el.com, stefanha@...hat.com, hch@...radead.org,
        aadam@...hat.com, jiri@...lanox.com, shahafs@...lanox.com,
        hanand@...inx.com, mhabets@...arflare.com
Subject: Re: [PATCH V3 4/5] virtio: introduce a vDPA based transport


On 2020/2/20 下午12:07, Randy Dunlap wrote:
> On 2/19/20 7:56 PM, Jason Wang wrote:
>> diff --git a/drivers/virtio/Kconfig b/drivers/virtio/Kconfig
>> index 9c4fdb64d9ac..0df3676b0f4f 100644
>> --- a/drivers/virtio/Kconfig
>> +++ b/drivers/virtio/Kconfig
>> @@ -43,6 +43,19 @@ config VIRTIO_PCI_LEGACY
>>   
>>   	  If unsure, say Y.
>>   
>> +config VIRTIO_VDPA
>> +	tristate "vDPA driver for virtio devices"
>> +        select VDPA
>> +        select VIRTIO
>> +	help
>> +	  This driver provides support for virtio based paravirtual
>> +	  device driver over vDPA bus. For this to be useful, you need
>> +	  an appropriate vDPA device implementation that operates on a
>> +          physical device to allow the datapath of virtio to be
>> +	  offloaded to hardware.
>> +
>> +	  If unsure, say M.
>> +
> Please use tabs consistently for indentation, not spaces,
> except in the Kconfig help text, which should be 1 tab + 2 spaces.


Fixed.

Thanks


>
>>   config VIRTIO_PMEM
>>   	tristate "Support for virtio pmem driver"
>>   	depends on VIRTIO
>