From: Andrii Nakryiko <andrii.nakryiko@gmail.com>
To: grantseltzer <grantseltzer@gmail.com>
Cc: Andrii Nakryiko <andrii@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>, Martin Lau <kafai@fb.com>,
Song Liu <songliubraving@fb.com>,
john fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>, Ian Rogers <irogers@google.com>,
Yonghong Song <yhs@fb.com>, Tobias Klauser <tklauser@distanz.ch>,
Networking <netdev@vger.kernel.org>,
Michal Rostecki <mrostecki@opensuse.org>,
Alexei Starovoitov <ast@kernel.org>,
Quentin Monnet <quentin@isovalent.com>, bpf <bpf@vger.kernel.org>
Subject: Re: [PATCH v4 bpf-next] Add CONFIG_DEBUG_INFO_BTF and CONFIG_DEBUG_INFO_BTF_MODULES check to bpftool feature command
Date: Mon, 22 Feb 2021 22:37:39 -0800 [thread overview]
Message-ID: <CAEf4BzaO6GOnkhnr_2dxgn5WXw+jboLFK7mTx9g8S7W4Eh7jhw@mail.gmail.com> (raw)
In-Reply-To: <20210222195846.155483-1-grantseltzer@gmail.com>
On Mon, Feb 22, 2021 at 11:59 AM grantseltzer <grantseltzer@gmail.com> wrote:
>
> This adds both the CONFIG_DEBUG_INFO_BTF and CONFIG_DEBUG_INFO_BTF_MODULES
> kernel compile option to output of the bpftool feature command.
> This is relevant for developers that want to account for data structure
> definition differences between kernels.
>
> Signed-off-by: Grant Seltzer <grantseltzer@gmail.com>
> ---
Applied to bpf-next, but adjusted subject to shorter:
"Add kernel/modules BTF presence checks to bpftool feature command"
> tools/bpf/bpftool/feature.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/tools/bpf/bpftool/feature.c b/tools/bpf/bpftool/feature.c
> index 359960a8f..40a88df27 100644
> --- a/tools/bpf/bpftool/feature.c
> +++ b/tools/bpf/bpftool/feature.c
> @@ -336,6 +336,10 @@ static void probe_kernel_image_config(const char *define_prefix)
> { "CONFIG_BPF_JIT", },
> /* Avoid compiling eBPF interpreter (use JIT only) */
> { "CONFIG_BPF_JIT_ALWAYS_ON", },
> + /* Kernel BTF debug information available */
> + { "CONFIG_DEBUG_INFO_BTF", },
> + /* Kernel module BTF debug information available */
> + { "CONFIG_DEBUG_INFO_BTF_MODULES", },
>
> /* cgroups */
> { "CONFIG_CGROUPS", },
> --
> 2.29.2
>
next prev parent reply other threads:[~2021-02-23 6:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-22 19:58 [PATCH v4 bpf-next] Add CONFIG_DEBUG_INFO_BTF and CONFIG_DEBUG_INFO_BTF_MODULES check to bpftool feature command grantseltzer
2021-02-22 22:00 ` Martin KaFai Lau
2021-02-23 6:37 ` Andrii Nakryiko [this message]
2021-02-23 6:41 ` patchwork-bot+netdevbpf
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