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由 Quentin Monnet 提交于
In order to make life easier for users, bpftool automatically attempts to mount the BPF virtual file system, if it is not mounted already, before trying to pin objects in it. Similarly, it attempts to mount tracefs if necessary before trying to dump the trace pipe to the console. While mounting file systems on-the-fly can improve user experience, some administrators might prefer to avoid that. Let's add an option to block these mount attempts. Note that it does not prevent automatic mounting of tracefs by debugfs for the "bpftool prog tracelog" command. Signed-off-by: NQuentin Monnet <quentin.monnet@netronome.com> Reviewed-by: NJakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net>
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