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

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Message-ID: <d68b548d-ed68-5ff1-5db7-1cebe0d19180@fb.com>
Date:   Tue, 18 Aug 2020 09:00:43 -0700
From:   Yonghong Song <yhs@...com>
To:     "Daniel T. Lee" <danieltimlee@...il.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <ast@...nel.org>
CC:     <netdev@...r.kernel.org>, <bpf@...r.kernel.org>
Subject: Re: [PATCH bpf-next] samples: bpf: Fix broken bpf programs due to
 removed symbol



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>