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Date:   Thu, 17 Jan 2019 12:19:24 +0100
From:   Jesper Dangaard Brouer <>
To:     Maciej Fijalkowski <>
Subject: Re: [PATCH bpf-next 2/6] samples: bpf: Convert XDP samples to
 libbpf usage

On Thu, 17 Jan 2019 02:01:11 +0100
Maciej Fijalkowski <> wrote:

> xdp_redirect_cpu is omitted because of read_trace_pipe() usage, which
> doesn't seem to be handled in libbpf ATM.

The sample xdp_redirect_cpu, doesn't need to use read_trace_pipe().
I'll send a patch to remove it (that you can include in your patchset).

It must be a left-over when I was developing this... as it doesn't do
any bpf_trace_printk calls.

Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat

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