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

[Feng Zhou]

在 2023/4/18 08:08, Alexei Starovoitov 写道:
> 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.

Will do, thanks.