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SubjectRe: [PATCH 3/3] bpf: bpf_iter_task_next: use next_task(kit->task) rather than next_task(kit->pos)
On 11/16, Yonghong Song wrote:
>
> 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.

Yes, but it can use pos->group_leader instead of kit->task.
But I agree, lets keep kit->task.

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

Thanks!

Oleg.

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