Re: [PATCH v3 bpf-next] Add CONFIG_DEBUG_INFO_BTF check to bpftool feature command
From: Andrii Nakryiko <hidden>
Date: 2021-02-22 19:26:31
Also in:
netdev
On Mon, Feb 22, 2021 at 7:34 AM grantseltzer [off-list ref] wrote:
This adds the CONFIG_DEBUG_INFO_BTF kernel compile option to output of the bpftool feature command. This is relevant for developers that want to use libbpf to account for data structure definition differences between kernels. Signed-off-by: grantseltzer <redacted>
Signed-off-by should have a properly capitalized (where it makes sense) real name of the author. Is it Grant Seltzer then?
quoted hunk ↗ jump to hunk
--- tools/bpf/bpftool/feature.c | 2 ++ 1 file changed, 2 insertions(+)diff --git a/tools/bpf/bpftool/feature.c b/tools/bpf/bpftool/feature.c index 359960a8f..b90cc6832 100644 --- a/tools/bpf/bpftool/feature.c +++ b/tools/bpf/bpftool/feature.c@@ -336,6 +336,8 @@ 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", },
How about checking CONFIG_DEBUG_INFO_BTF_MODULES as well (i.e., "Kernel module BTF information is available")?
/* cgroups */
{ "CONFIG_CGROUPS", },
--
2.29.2