Thread (5 messages) flat view 5 messages, 4 authors, 2021-02-22

Re: [PATCH v3 bpf-next] Add CONFIG_DEBUG_INFO_BTF check to bpftool feature command

From: Quentin Monnet <hidden>
Date: 2021-02-22 16:05:25
Also in: bpf

2021-02-20 17:13 UTC+0000 ~ grantseltzer [off-list ref]
quoted hunk ↗ jump to hunk
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>
---
 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", },
 
 		/* cgroups */
 		{ "CONFIG_CGROUPS", },

Thanks for the change!

Reviewed-by: Quentin Monnet <redacted>

(Note: the date of the email is not correct, but I discussed offline
with Grant and this is now sorted out for future submissions.)

Quentin
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help