On Thu, Sep 7, 2017 at 7:12 PM, David Miller <davem@xxxxxxxxxxxxx> wrote: ... > > Pinning is so that an unload of a BPF program doesn't cause it's maps > to go away. > > It's designed so that things like statistics can be persistent across > BPF program loads. > > So you can load and unload a BPF program multiple times, and you won't > lose the statistic increments done by earlier instances. I understand. However, I have a use case where data used to filter perf events can change and can be loaded as a full map, much after the bpf program is loaded. The map will be pinned, but the bpf program currently has no way to access this map. Can this use case be addressed? Thanks, Kiran
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