On Mon, Apr 23, 2018 at 12:11:08PM -0700, John Fastabend wrote:
> Per Documentation/bpf/bpf_devel_QA.txt add the -target flag to the
> sockmap Makefile. Relevant text quoted here,
>
> Otherwise, you can use bpf target. Additionally, you _must_ use
> bpf target when:
>
> - Your program uses data structures with pointer or long / unsigned
> long types that interface with BPF helpers or context data
> structures. Access into these structures is verified by the BPF
> verifier and may result in verification failures if the native
> architecture is not aligned with the BPF architecture, e.g. 64-bit.
> An example of this is BPF_PROG_TYPE_SK_MSG require '-target bpf'
>
> Fixes: 69e8cc134bcb ("bpf: sockmap sample program")
> Signed-off-by: John Fastabend <[email protected]>
Acked-by: Alexei Starovoitov <[email protected]>