Re: [PATCH bpf-next v5] libbpf: Expose API to consume one ring at a time

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Hi,

On 8/16/2023 3:22 PM, Adam Sindelar wrote:
> On Fri, Jul 28, 2023 at 06:51:25PM +0800, Hou Tao wrote:
> Hi, sorry for potentially dumb question, but should I do anything else
> after someone acks it? This is a minor patch for a userland component,
> but it's really helpful IMO - is anything preventing this getting merged
> at this point?

According to BPF CI [0], the main reason that it was closed was due to
the failure of test_progs_no_alu32 on s390x, but it seems the failure
was due to BPF CI itself instead of the modification in the patchset, so
I think resend v5 to BPF mail list will be enough. After the pass of BPF
CI, I think the maintainer will merge it if there is no disagreement.

[0]:
https://github.com/kernel-patches/bpf/actions/runs/5829217685/job/15808898814
> Thanks,
> Adam
>
>> On 7/28/2023 5:33 PM, Adam Sindelar wrote:
>>> We already provide ring_buffer__epoll_fd to enable use of external
>>> polling systems. However, the only API available to consume the ring
>>> buffer is ring_buffer__consume, which always checks all rings. When
>>> polling for many events, this can be wasteful.
>>>
>>> Signed-off-by: Adam Sindelar <adam@xxxxxxxxxxxx>
>> Acked-by: Hou Tao <houtao1@xxxxxxxxxx>
>>





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