On Wed, Sep 06, 2023 at 06:33:16PM +0000, Puranjay Mohan wrote: > @@ -1633,8 +1633,10 @@ static int build_insn(const struct bpf_insn *insn, struct jit_ctx *ctx) > /* dst = htobe(dst) */ > case BPF_ALU | BPF_END | BPF_FROM_LE: > case BPF_ALU | BPF_END | BPF_FROM_BE: > + /* dst = bswap(dst) */ > + case BPF_ALU64 | BPF_END | BPF_TO_LE: > rd = arm_bpf_get_reg64(dst, tmp, ctx); > - if (BPF_SRC(code) == BPF_FROM_LE) > + if (BPF_SRC(code) == BPF_FROM_LE && BPF_CLASS(code) != BPF_ALU64) With the addition of the BPF_ALU64 case, I'm wondering why this if() is affected. If you were adding: case BPF_ALU64 | BPF_END | BPF_FROM_LE: then maybe there would be a reason, but the BPF_ALU64 | BPF_END | BPF_TO_LE case will never match even the original if() statement. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!