在 2025/1/24 08:42, Eduard Zingerman 写道:
On Fri, 2025-01-24 at 01:05 +0800, Tao Chen wrote:
More and more kfunc functions are being added to the kernel.
Different prog types have different restrictions when using kfunc.
Therefore, prog_kfunc probe is added to check whether it is supported,
and the use of this api will be added to bpftool later.
Change list:
- v1 -> v2:
- check unsupported prog type like probe_bpf_helper
- add off parameter for module btf
- chenk verifier info when kfunc id invalid
Revisions:
- v1
https://lore.kernel.org/bpf/20250122171359.232791-1-chen.dylane@xxxxxxxxx
Tao Chen (2):
libbpf: Add libbpf_probe_bpf_kfunc API
selftests/bpf: Add libbpf_probe_bpf_kfunc API selftests
tools/lib/bpf/libbpf.h | 17 ++++++-
tools/lib/bpf/libbpf.map | 1 +
tools/lib/bpf/libbpf_probes.c | 47 +++++++++++++++++++
.../selftests/bpf/prog_tests/libbpf_probes.c | 35 ++++++++++++++
4 files changed, 99 insertions(+), 1 deletion(-)
Hi Tao,
Looks like something is wrong with the way the patch was generated:
- patchwork link:
https://patchwork.kernel.org/project/netdevbpf/patch/20250123170555.291896-2-chen.dylane@xxxxxxxxx/
- error message:
https://github.com/kernel-patches/bpf/pull/8395
Cmd('git') failed due to: exit code(128)
cmdline: git am --3way
stdout: 'Applying: libbpf: Add libbpf_probe_bpf_kfunc API
Patch failed at 0001 libbpf: Add libbpf_probe_bpf_kfunc API
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".'
stderr: 'error: corrupt patch at line 103
error: could not build fake ancestor
hint: Use 'git am --show-current-patch=diff' to see the failed patch'
I get the same error when trying to apply locally,
could you please double check?
Thanks,
Eduard
Hi, Eduard, thank you for your reply, i tried it out, and it turns out
it's really my problem. I will resend it in v3.
--
Best Regards
Dylane Chen
