linux-kernel - Re: [PATCH 0/5] add initial io_uring

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Message-ID: <20230413074514.79cc036e@kernel.org>
Date:   Thu, 13 Apr 2023 07:45:14 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Willem de Bruijn <willemdebruijn.kernel@...il.com>
Cc:     Breno Leitao <leitao@...ian.org>, Jens Axboe <axboe@...nel.dk>,
        David Ahern <dsahern@...nel.org>,
        Willem de Bruijn <willemb@...gle.com>,
        io-uring@...r.kernel.org, netdev@...r.kernel.org,
        asml.silence@...il.com, leit@...com, edumazet@...gle.com,
        pabeni@...hat.com, davem@...emloft.net, dccp@...r.kernel.org,
        mptcp@...ts.linux.dev, linux-kernel@...r.kernel.org,
        matthieu.baerts@...sares.net, marcelo.leitner@...il.com
Subject: Re: [PATCH 0/5] add initial io_uring_cmd support for sockets

On Thu, 13 Apr 2023 10:24:31 -0400 Willem de Bruijn wrote:
> Probably also relevant is whether/how the approach can be extended
> to [gs]etsockopt, as that was another example given, with the same
> challenge.

I had the same thought, given BPF filtering/integration with *etsockopt
is repeatedly giving us grief.
The only lesson from that I can think of is that we should perhaps
suffer thru the one-by-one conversions for a while. Pulling the cases
we inspected out into common code, rather than hope we can cover
everything in one fell swoop.