netdev - Re: [PATCH bpf-next] samples: bpf: Fix broken bpf programs due to removed symbol

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Message-ID: <CAADnVQ+v41221W0ix5Z8Jb49c0S3hr3=2onzCkjcqS-XBwDk=w@mail.gmail.com>
Date:   Tue, 18 Aug 2020 17:10:33 -0700
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Yonghong Song <yhs@...com>
Cc:     "Daniel T. Lee" <danieltimlee@...il.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <ast@...nel.org>,
        Network Development <netdev@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>
Subject: Re: [PATCH bpf-next] samples: bpf: Fix broken bpf programs due to
 removed symbol

On Tue, Aug 18, 2020 at 9:01 AM Yonghong Song <yhs@...com> wrote:
>
>
>
> On 8/17/20 10:16 PM, Daniel T. Lee wrote:
> >  From commit f1394b798814 ("block: mark blk_account_io_completion
> > static") symbol blk_account_io_completion() has been marked as static,
> > which makes it no longer possible to attach kprobe to this event.
> > Currently, there are broken samples due to this reason.
> >
> > As a solution to this, attach kprobe events to blk_account_io_done()
> > to modify them to perform the same behavior as before.
> >
> > Signed-off-by: Daniel T. Lee <danieltimlee@...il.com>
>
> Acked-by: Yonghong Song <yhs@...com>

Applied. Thanks