linux-kernel - Re: [PATCH bpf-next] libbpf: Add bpf_object_

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Date:   Wed, 23 Aug 2023 04:30:04 -0700
From:   Song Liu <song@...nel.org>
To:     Daniel Xu <dxu@...uu.xyz>
Cc:     ast@...nel.org, andrii@...nel.org, daniel@...earbox.net,
        martin.lau@...ux.dev, yonghong.song@...ux.dev,
        john.fastabend@...il.com, kpsingh@...nel.org, sdf@...gle.com,
        haoluo@...gle.com, jolsa@...nel.org, bpf@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH bpf-next] libbpf: Add bpf_object__unpin()

On Tue, Aug 22, 2023 at 10:44 PM Daniel Xu <dxu@...uu.xyz> wrote:
>
> For bpf_object__pin_programs() there is bpf_object__unpin_programs().
> Likewise bpf_object__unpin_maps() for bpf_object__pin_maps().
>
> But no bpf_object__unpin() for bpf_object__pin(). Adding the former adds
> symmetry to the API.
>
> It's also convenient for cleanup in application code. It's an API I
> would've used if it was available for a repro I was writing earlier.
>
> Signed-off-by: Daniel Xu <dxu@...uu.xyz>

Reviewed-by: Song Liu <song@...nel.org>