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Message-ID: <3b7fa94a-3cee-8bec-ce43-b61d893e05d8@salutedevices.com>
Date:   Wed, 4 Oct 2023 19:40:03 +0300
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Subject: Re: [PATCH net-next v2 00/12] vsock/virtio: continue MSG_ZEROCOPY
 support
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To:     Stefano Garzarella <sgarzare@redhat.com>
CC:     Stefan Hajnoczi <stefanha@redhat.com>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        "Michael S. Tsirkin" <mst@redhat.com>,
        Jason Wang <jasowang@redhat.com>,
        Bobby Eshleman <bobby.eshleman@bytedance.com>,
        <kvm@vger.kernel.org>, <virtualization@lists.linux-foundation.org>,
        <netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <kernel@sberdevices.ru>, <oxffffaa@gmail.com>
References: <20230930210308.2394919-1-avkrasnov@salutedevices.com>
 <4nwo6nd2ihjqsoqnjdjhuucqyc4fhfhxk52q6ulrs6sd2fmf7z@24hi65hbpl4i>
 <aef9a438-3c61-44ec-688f-ed89eb886bfd@salutedevices.com>
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 <zilryvqespe5k4d3xjer2fcrseqo3yu3lvairvobvop6shqvsz@gzdmzpujxzkx>
From:   Arseniy Krasnov <avkrasnov@salutedevices.com>
In-Reply-To: <zilryvqespe5k4d3xjer2fcrseqo3yu3lvairvobvop6shqvsz@gzdmzpujxzkx>
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On 04.10.2023 19:42, Stefano Garzarella wrote:
> On Wed, Oct 04, 2023 at 07:22:04PM +0300, Arseniy Krasnov wrote:
>>
>>
>> On 04.10.2023 08:25, Arseniy Krasnov wrote:
>>>
>>>
>>> On 03.10.2023 19:26, Stefano Garzarella wrote:
>>>> Hi Arseniy,
>>>>
>>>> On Sun, Oct 01, 2023 at 12:02:56AM +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@redhat.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=236f3873b517acfaf949c23bb2d5dec13bfd2da2
>>>>>
>>>>> Link to v1:
>>>>> https://lore.kernel.org/netdev/20230922052428.4005676-1-avkrasnov@salutedevices.com/
>>>>>
>>>>> Changelog:
>>>>> v1 -> v2:
>>>>> * Patchset rebased and tested on new HEAD of net-next (see hash above).
>>>>> * See per-patch changelog after ---.
>>>>
>>>> Thanks for this new version.
>>>> I started to include vsock_uring_test in my test suite and tests are
>>>> going well.
>>>>
>>>> I reviewed code patches, I still need to review the tests.
>>>> I'll do that by the end of the week, but they looks good!
>>>
>>> Thanks for review! Ok, I'll wait for tests review, and then send next
>>> version.
>>
>> Got your comments from review. I'll update patches by:
>> 1) Trying to avoid touching util.c/util.h
> 
> I mean, we can touch it ;-) but for this case it looks like we don't
> need most of that functions to be there.
> 
> At least for now. If we need them to be used in more places, then it
> makes sense.

Yes, I mean touching without need :)

> 
>> 2) Add new header with functions shared between util vsock_perf and
>> tests
> 
> We can do this also later in another PR as cleanup if you prefer.
> 
> Thanks,
> Stefano
>