Re: [PATCH bpf v2 4/6] tools: bpf: sync bpf uapi header

From: Alexei Starovoitov <hidden>
Date: 2018-05-18 16:09:06
Also in: linuxppc-dev

On Fri, May 18, 2018 at 5:50 AM, Sandipan Das
[off-list ref] wrote:
quoted hunk
Syncing the bpf.h uapi header with tools so that struct
bpf_prog_info has the two new fields for passing on the
addresses of the kernel symbols corresponding to each
function in a JITed program.

Signed-off-by: Sandipan Das <redacted>
---
 tools/include/uapi/linux/bpf.h | 2 ++
 1 file changed, 2 insertions(+)
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index d94d333a8225..040c9cac7303 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -2188,6 +2188,8 @@ struct bpf_prog_info {
        __u32 xlated_prog_len;
        __aligned_u64 jited_prog_insns;
        __aligned_u64 xlated_prog_insns;
+       __aligned_u64 jited_ksyms;
+       __u32 nr_jited_ksyms;
        __u64 load_time;        /* ns since boottime */
        __u32 created_by_uid;
        __u32 nr_map_ids;
this breaks uapi.
New fields can only be added to the end.
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