Re: [PATCH 2/4] io_uring/cmd: Introduce SOCKET_URING_OP_GETSOCKOPT

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On 07/25, Breno Leitao wrote:
> On Mon, Jul 24, 2023 at 10:31:28AM -0700, Stanislav Fomichev wrote:
> > On 07/24, Breno Leitao wrote:
> > > Add support for getsockopt command (SOCKET_URING_OP_GETSOCKOPT), where
> > > level is SOL_SOCKET. This is leveraging the sockptr_t infrastructure,
> > > where a sockptr_t is either userspace or kernel space, and handled as
> > > such.
> > > 
> > > Function io_uring_cmd_getsockopt() is inspired by __sys_getsockopt().
> > 
> > We probably need to also have bpf bits in the new
> > io_uring_cmd_getsockopt?
> 
> It might be interesting to have the BPF hook for this function as
> well, but I would like to do it in a following patch, so, I can
> experiment with it better, if that is OK.

We are not using io_uring, so fine with me. However, having a way to bypass
get/setsockopt bpf might be problematic for some other heavy io_uring
users.

Lemme CC a bunch of Meta folks explicitly. I'm not sure what that state
of bpf support in io_uring.




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