Re: [PATCH bpf-next v10 5/8] bpf: Add syscall common attributes support for btf_load

[Andrii Nakryiko]

On Wed, Feb 11, 2026 at 7:13 AM Leon Hwang <leon.hwang@xxxxxxxxx> wrote:
>
> BPF_BTF_LOAD can now take log parameters from both union bpf_attr and
> struct bpf_common_attr, with the same merge rules as BPF_PROG_LOAD:
>
> - if both sides provide a complete log tuple (buf/size/level) and they
>   match, use it;
> - if only one side provides log parameters, use that one;
> - if both sides provide complete tuples but they differ, return -EINVAL.
>
> Signed-off-by: Leon Hwang <leon.hwang@xxxxxxxxx>
> ---
>  include/linux/btf.h  |  3 ++-
>  kernel/bpf/btf.c     | 30 +++++++-----------------------
>  kernel/bpf/syscall.c | 11 ++++++++---
>  3 files changed, 17 insertions(+), 27 deletions(-)
>

same remark about user space only log_true_size, but overall LGTM

Acked-by: Andrii Nakryiko <andrii@xxxxxxxxxx>

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