Re: [PATCH bpf-next v3 0/4] libbpf: Move section-defined program flags to prog_flags

Hello:

This series was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko [off-list ref]:

On Tue, 01 Sep 2026 10:46:53 +0200 you wrote:

This series moves the libbpf section-defined program flags into
bpf_program->prog_flags, thereby making them available for applications
to inspect and modify before loading the program into the kernel. See
patch 3 in the series for details.

Setting program flags with bpf_program__set_flags() was always
potentially a destructive action, as it clobbers any existing flags.
Since this changes the flags value to be pre-populated at
initialisation, this clobbering can be visible in cases it wasn't
before. To prevent any fallout, the first two commits fixes up existing
in-tree users of bpf_program__set_flags() to be non-destructive.

[...]

Here is the summary with links:
  - [bpf-next,v3,1/4] bpftool: Set BPF_F_XDP_DEV_BOUND_ONLY flag non-destructively
    https://git.kernel.org/bpf/bpf-next/c/06d6f845c4bd
  - [bpf-next,v3,2/4] selftests/bpf: Set BPF program flags non-destructively
    https://git.kernel.org/bpf/bpf-next/c/d6746a246b36
  - [bpf-next,v3,3/4] libbpf: Move section-defined program flags to prog_flags
    https://git.kernel.org/bpf/bpf-next/c/d6b633b585f3
  - [bpf-next,v3,4/4] selftests/bpf: Check for flag presence in bpf_program__flags()
    https://git.kernel.org/bpf/bpf-next/c/99c71666dcb1

You are awesome, thank you!
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