linux-kernel - Re: [PATCH bpf-next v5] selftests/bpf: trace

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Message-ID: <ZN9iDSj3/vdk5pRX@krava>
Date:   Fri, 18 Aug 2023 14:20:29 +0200
From:   Jiri Olsa <olsajiri@...il.com>
To:     Rong Tao <rtoax@...mail.com>
Cc:     olsajiri@...il.com, andrii@...nel.org, ast@...nel.org,
        bpf@...r.kernel.org, daniel@...earbox.net, haoluo@...gle.com,
        john.fastabend@...il.com, kpsingh@...nel.org,
        linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        martin.lau@...ux.dev, mykolal@...com, rongtao@...tc.cn,
        sdf@...gle.com, shuah@...nel.org, song@...nel.org,
        yonghong.song@...ux.dev
Subject: Re: [PATCH bpf-next v5] selftests/bpf: trace_helpers.c: optimize
 kallsyms cache

On Fri, Aug 18, 2023 at 09:39:32AM +0800, Rong Tao wrote:
> Hi, Jiri. Thanks for your reply.
> 
> libbpf_ensure_mem() is in libbpf_internal.h, samples/bpf/ can't see it, do we
> reposition the function declaration?

I see, I had no idea trace_helpers.[ch] is included in samples/bpf

but it seems to have libbpf linked statically.. so you could just
include libbpf_internal.h and it should work, right? like we do
in selftests

jirka

> 
> Good Day
> Rong Tao
>