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authorJiri Olsa <jolsa@kernel.org>2023-08-09 10:34:16 +0200
committerQuentin Monnet <qmonnet+github@qoba.lt>2023-08-29 12:34:13 +0100
commit85555311cc0c886a53b6776453fee033d47fb071 (patch)
treef4d2035dde5d042492ec414bc3d7984d18bb99fb
parent0f25b592342dae1258b93426d94fd8ac3e62eb34 (diff)
downloadbpftool-85555311cc0c886a53b6776453fee033d47fb071.tar.gz
bpf: Add cookies support for uprobe_multi link
Adding support to specify cookies array for uprobe_multi link. The cookies array share indexes and length with other uprobe_multi arrays (offsets/ref_ctr_offsets). The cookies[i] value defines cookie for i-the uprobe and will be returned by bpf_get_attach_cookie helper when called from ebpf program hooked to that specific uprobe. Acked-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Yafang Shao <laoar.shao@gmail.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Acked-by: Yonghong Song <yonghong.song@linux.dev> Link: https://lore.kernel.org/r/20230809083440.3209381-5-jolsa@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>
-rw-r--r--include/uapi/linux/bpf.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index e487809..d7f4f50 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -1639,6 +1639,7 @@ union bpf_attr {
__aligned_u64 path;
__aligned_u64 offsets;
__aligned_u64 ref_ctr_offsets;
+ __aligned_u64 cookies;
__u32 cnt;
__u32 flags;
} uprobe_multi;