On Thu, Feb 17, 2022 at 5:19 AM Jiri Olsa <jolsa@xxxxxxxxxx> wrote:
>
> Both bpf_program__set_priv/bpf_program__priv are deprecated
> and will be eventually removed.
>
> Using hashmap to replace that functionality.
>
> Suggested-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
> Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
> ---
> tools/perf/util/bpf-loader.c | 91 +++++++++++++++++++++++++++++-------
> 1 file changed, 75 insertions(+), 16 deletions(-)
>
[...]
> +
> +static int program_set_priv(struct bpf_program *prog, void *priv)
> +{
> + void *old_priv;
> +
> + if (!bpf_program_hash) {
> + bpf_program_hash = hashmap__new(ptr_hash, ptr_equal, NULL);
> + if (!bpf_program_hash)
should use IS_ERR here
> + return -ENOMEM;
> + }
> +
> + old_priv = program_priv(prog);
> + if (old_priv) {
> + clear_prog_priv(prog, old_priv);
> + return hashmap__set(bpf_program_hash, prog, priv, NULL, NULL);
> + }
> + return hashmap__add(bpf_program_hash, prog, priv);
> }
[...]
