Re: [PATCH 1/2] bpf: support access variable length array of integer type

From: Alexei Starovoitov
Date: Mon Apr 17 2023 - 20:08:46 EST


On Mon, Apr 17, 2023 at 04:07:48PM +0800, Feng zhou wrote:
> From: Feng Zhou <zhoufeng.zf@xxxxxxxxxxxxx>
>
> After this commit:
> bpf: Support variable length array in tracing programs (9c5f8a1008a1)
> Trace programs can access variable length array, but for structure
> type. This patch adds support for integer type.
>
> Example:
> Hook load_balance
> struct sched_domain {
> ...
> unsigned long span[];
> }
>
> The access: sd->span[0].

The use case makes sense.
Please add it as a selftest. Either combine it with patch 2 or another patch 3.
and then resubmit.
Make sure to use [PATCH bpf-next] subject, so BPF CI knows how to test it.