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From:   Alex Forster <aforster@cloudflare.com>
Date:   Thu, 19 Dec 2019 16:29:39 -0600
Message-ID: <CAKxSbF19OsyE8B9mM+nB6676R6oA0duXSLn6_GGr1A+tCKhY9w@mail.gmail.com>
Subject: Re: [PATCH bpf-next] libbpf: fix AF_XDP helper program to support
 kernels without the JMP32 eBPF instruction class
To:     Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc:     Network Development <netdev@vger.kernel.org>,
        Alexei Starovoitov <ast@kernel.org>,
        =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= <bjorn.topel@intel.com>
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> I though af_xdp landed after jmp32 ?

They were indeed pretty close together, but AF_XDP became usable in
late 2018 with either 4.18 or 4.19. JMP32 landed in early 2019 with
5.1.

Alex Forster