Re: [PATCH bpf-next 2/3] ftrace: Keep address offset in ftrace_lookup_symbols

From: Daniel Borkmann
Date: Mon May 30 2022 - 16:20:26 EST


On 5/27/22 10:56 PM, Jiri Olsa wrote:
We want to store the resolved address on the same index as
the symbol string, because that's the user (bpf kprobe link)
code assumption.

Also making sure we don't store duplicates that might be
present in kallsyms.

Fixes: bed0d9a50dac ("ftrace: Add ftrace_lookup_symbols function")
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
kernel/trace/ftrace.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)

Steven / Masami, would be great to get an Ack from one of you before applying.

Thanks,
Daniel