linux-kernel - Re: [PATCH bpf-next] bpf: Load vmlinux btf for any struct

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Message-Id: <170205722361.30055.15108519957098973880.git-patchwork-notify@kernel.org>
Date:   Fri, 08 Dec 2023 17:40:23 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     David Vernet <void@...ifault.com>
Cc:     bpf@...r.kernel.org, ast@...nel.org, daniel@...earbox.net,
        andrii@...nel.org, martin.lau@...ux.dev, song@...nel.org,
        yonghong.song@...ux.dev, john.fastabend@...il.com,
        kpsingh@...nel.org, sdf@...gle.com, haoluo@...gle.com,
        jolsa@...nel.org, linux-kernel@...r.kernel.org,
        kernel-team@...a.com, tj@...nel.org
Subject: Re: [PATCH bpf-next] bpf: Load vmlinux btf for any struct_ops map

Hello:

This patch was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@...nel.org>:

On Fri,  8 Dec 2023 00:17:03 -0600 you wrote:
> In libbpf, when determining whether we need to load vmlinux btf, we're
> currently (among other things) checking whether there is any struct_ops
> program present in the object. This works for most realistic struct_ops
> maps, as a struct_ops map is of course typically composed of one or more
> struct_ops programs. However, that technically need not be the case. A
> struct_ops interface could be defined which allows a map to be specified
> which one or more non-prog fields, and which provides default behavior
> if no struct_ops progs is actually provided otherwise. For sched_ext,
> for example, you technically only need to specify the name of the
> scheduler in the struct_ops map, with the core scheduler logic providing
> default behavior if no prog is actually specified.
> 
> [...]

Here is the summary with links:
  - [bpf-next] bpf: Load vmlinux btf for any struct_ops map
    https://git.kernel.org/bpf/bpf-next/c/8b7b0e5fe47d

You are awesome, thank you!
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