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Date:   Wed, 11 Oct 2023 16:01:08 +0300
From:   Arseniy Krasnov <avkrasnov@...utedevices.com>
To:     Stefano Garzarella <sgarzare@...hat.com>
CC:     Stefan Hajnoczi <stefanha@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Bobby Eshleman <bobby.eshleman@...edance.com>,
        <kvm@...r.kernel.org>, <virtualization@...ts.linux-foundation.org>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <kernel@...rdevices.ru>, <oxffffaa@...il.com>
Subject: Re: [PATCH net-next v4 00/12] vsock/virtio: continue MSG_ZEROCOPY
 support



On 11.10.2023 15:57, Stefano Garzarella wrote:
> On Tue, Oct 10, 2023 at 10:15:12PM +0300, Arseniy Krasnov wrote:
>> Hello,
>>
>> this patchset contains second and third parts of another big patchset
>> for MSG_ZEROCOPY flag support:
>> https://lore.kernel.org/netdev/20230701063947.3422088-1-AVKrasnov@sberdevices.ru/
>>
>> During review of this series, Stefano Garzarella <sgarzare@...hat.com>
>> suggested to split it for three parts to simplify review and merging:
>>
>> 1) virtio and vhost updates (for fragged skbs) (merged to net-next, see
>>   link below)
>> 2) AF_VSOCK updates (allows to enable MSG_ZEROCOPY mode and read
>>   tx completions) and update for Documentation/. <-- this patchset
>> 3) Updates for tests and utils. <-- this patchset
>>
>> Part 1) was merged:
>> https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=71b263e79370348349553ecdf46f4a69eb436dc7
>>
>> Head for this patchset is:
>> https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=19537e125cc7cf2da43a606f5bcebbe0c9aea4cc
>>
>> Link to v1:
>> https://lore.kernel.org/netdev/20230922052428.4005676-1-avkrasnov@salutedevices.com/
>> Link to v2:
>> https://lore.kernel.org/netdev/20230930210308.2394919-1-avkrasnov@salutedevices.com/
>> Link to v3:
>> https://lore.kernel.org/netdev/20231007172139.1338644-1-avkrasnov@salutedevices.com/
>>
>> Changelog:
>> v1 -> v2:
>> * Patchset rebased and tested on new HEAD of net-next (see hash above).
>> * See per-patch changelog after ---.
>> v2 -> v3:
>> * Patchset rebased and tested on new HEAD of net-next (see hash above).
>> * See per-patch changelog after ---.
>> v3 -> v4:
>> * Patchset rebased and tested on new HEAD of net-next (see hash above).
>> * See per-patch changelog after ---.
> 
> I think I fully reviewed the series ;-)
> 
> Tests are all passing here, including the new ones. I also added
> vsock_perf and vsock_uring_test to my test suite!

Thanks for review!

> 
> So for vsock point of view everything looks fine.
> 
> Let's see if there is anything about net (MSG_ZEROCOPY flags, etc.)

Yes, let's wait for more comments, because whole patchset is R-b now and
this finally completes MSG_ZEROCOPY support for virtio/vsock.

Thanks, Arseniy

> 
> Thanks,
> Stefano
> 

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