linux-kernel - Re: [PATCH net-next v4 00/12] vsock/virtio: continue MSG

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Message-ID: <eey4hfz43popgwlwtheapjefzmxea7dk733y3v6aqsrewhq3mq@lcmmhdpwvvzc>
Date:   Wed, 11 Oct 2023 14:57:57 +0200
From:   Stefano Garzarella <sgarzare@...hat.com>
To:     Arseniy Krasnov <avkrasnov@...utedevices.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 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!

So for vsock point of view everything looks fine.

Let's see if there is anything about net (MSG_ZEROCOPY flags, etc.)

Thanks,
Stefano