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From:   Luke Nelson <lukenels@cs.washington.edu>
Date:   Fri, 28 Jun 2019 10:41:18 -0700
Message-ID: <CADasFoAqjZVnMFGZNgQMhXsBC78vbb-u1PPv_aZx3fMXeHBXKg@mail.gmail.com>
Subject: Re: [PATCH v2 bpf-next] RV32G eBPF JIT
To:     Jiong Wang <jiong.wang@netronome.com>
Cc:     LKML <linux-kernel@vger.kernel.org>,
        Luke Nelson <luke.r.nels@gmail.com>,
        Xi Wang <xi.wang@gmail.com>,
        Palmer Dabbelt <palmer@sifive.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Martin KaFai Lau <kafai@fb.com>,
        Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
        =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= <bjorn.topel@gmail.com>,
        linux-riscv@lists.infradead.org, Netdev <netdev@vger.kernel.org>,
        bpf <bpf@vger.kernel.org>
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On Thu, Jun 27, 2019 at 5:18 AM Jiong Wang <jiong.wang@netronome.com> wrote:
>
> #define BPF_ZEXT_REG(DST)
>         ((struct bpf_insn) {
>                  .code  = BPF_ALU | BPF_MOV | BPF_X
>
> So it can't be BPF_ALU64. It is safe to remove this chunk of code.
>

Thanks! I'll fix this in the next revision.

- Luke