Re: [PATCH 3/3] bpf: bpf_iter_task_next: use next_task(kit->task) rather than next_task(kit->pos)

[Yonghong Song]

On 11/14/23 11:32 AM, Oleg Nesterov wrote:
> This looks more clear and simplifies the code. While at it, remove the
> unnecessary initialization of pos/task at the start of bpf_iter_task_new().
>
> Note that we can even kill kit->task, we can just use pos->group_leader,
> but I don't understand the BUILD_BUG_ON() checks in bpf_iter_task_new().

Let us keep kit->task, which is used in later function
bpf_iter_task_next(). The patch looks good to me.

> Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>

Acked-by: Yonghong Song <yonghong.song@xxxxxxxxx>