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From:   Alexei Starovoitov <alexei.starovoitov@gmail.com>
Date:   Thu, 21 Mar 2019 19:39:30 -0700
Message-ID: <CAADnVQKBWXNzbDwAveUwgoBQe8TuHqTSH049JZmC9aBtnPGMhA@mail.gmail.com>
Subject: Re: [PATCH net-next] selftests: bpf: modify urandom_read and link it non-statically
To:     Ivan Vecera <ivecera@redhat.com>
Cc:     Network Development <netdev@vger.kernel.org>,
        Shuah Khan <shuah@kernel.org>,
        Alexei Starovoitov <ast@kernel.org>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Martin KaFai Lau <kafai@fb.com>,
        Song Liu <songliubraving@fb.com>, Yonghong Song <yhs@fb.com>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@vger.kernel.org>,
        "open list:BPF (Safe dynamic programs and tools)" 
        <bpf@vger.kernel.org>, open list <linux-kernel@vger.kernel.org>
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On Fri, Mar 15, 2019 at 1:04 PM Ivan Vecera <ivecera@redhat.com> wrote:
>
> After some experiences I found that urandom_read does not need to be
> linked statically. When the 'read' syscall call is moved to separate
> non-inlined function then bpf_get_stackid() is able to find
> the executable in stack trace and extract its build_id from it.
>
> Signed-off-by: Ivan Vecera <ivecera@redhat.com>

Applied. Thanks