linux-kernel - Re: [PATCH v2 bpf-next] RV32G eBPF JIT

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Date:   Fri, 28 Jun 2019 10:41:18 -0700
From:   Luke Nelson <lukenels@...washington.edu>
To:     Jiong Wang <jiong.wang@...ronome.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Luke Nelson <luke.r.nels@...il.com>,
        Xi Wang <xi.wang@...il.com>,
        Palmer Dabbelt <palmer@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        Björn Töpel <bjorn.topel@...il.com>,
        linux-riscv@...ts.infradead.org, Netdev <netdev@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>
Subject: Re: [PATCH v2 bpf-next] RV32G eBPF JIT

On Thu, Jun 27, 2019 at 5:18 AM Jiong Wang <jiong.wang@...ronome.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