netdev - Re: [net-next PATCH v5 5/6] virtio_net: add XDP

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Message-ID: <5849D5EA.2040402@gmail.com>
Date:   Thu, 8 Dec 2016 13:51:38 -0800
From:   John Fastabend <john.fastabend@...il.com>
To:     "Michael S. Tsirkin" <mst@...hat.com>
Cc:     daniel@...earbox.net, shm@...ulusnetworks.com, davem@...emloft.net,
        tgraf@...g.ch, alexei.starovoitov@...il.com,
        john.r.fastabend@...el.com, netdev@...r.kernel.org,
        brouer@...hat.com
Subject: Re: [net-next PATCH v5 5/6] virtio_net: add XDP_TX support

On 16-12-08 01:45 PM, Michael S. Tsirkin wrote:
> On Thu, Dec 08, 2016 at 01:25:40PM -0800, John Fastabend wrote:
>> On 16-12-08 01:18 PM, Michael S. Tsirkin wrote:
>>> On Thu, Dec 08, 2016 at 10:18:22AM -0800, John Fastabend wrote:
>>>>> I guess this helps because it just slows down the guest.
>>>>> I don't much like it ...
>>>>
>>>> I left it like this copying the pattern in balloon and input drivers. I
>>>> can change it back to the previous pattern where it is only called if
>>>> there is no errors. It has been running fine with the old pattern now
>>>> for an hour or so.
>>>>
>>>> .John
>>>
>>> I'd prefer internal consistency. Could be a patch on top
>>> if this helps. I'm happy it isn't actually buggy.
>>> Let me know whether you want to post v6 or
>>> want me to ack this one.
>>>
>>
>> I think because DaveM has closed net-next ACK'ing this set would be
>> great to get it in Dave's tree. Then I can post a small "fix" so that it
>> is consistent between normal stack and xdp tx path after that.
>>
>> Thanks,
>> John
> 
> I can merge it through my tree too - I don't think there's
> any dependency on net-next, is there?
> 

Its all changes to virtio_net except for patch 2 which is against
filter.c/filter.h which I guess you could possibly get a merge conflict
on. But it would be fairly trivial.

I don't have a preference on which tree it goes through whichever makes
the most sense.

.John