Hey Arnaldo,

On 12/15/20 4:52 PM, Arnaldo Carvalho de Melo wrote:
Em Mon, Dec 14, 2020 at 11:54:45AM +0100, Jiri Olsa escreveu:
Adding support to carry build id data in mmap2 event.

The build id data replaces maj/min/ino/ino_generation
fields, which are also used to identify map's binary,
so it's ok to replace them with build id data:

   union {
           struct {
                   u32       maj;
                   u32       min;
                   u64       ino;
                   u64       ino_generation;
           };
           struct {
                   u8        build_id_size;
                   u8        __reserved_1;
                   u16       __reserved_2;
                   u8        build_id[20];
           };
   };

Alexei/Daniel, this one depends on BPFs build id routines to be exported
for use by the perf kernel subsys, PeterZ already acked this, so can you
guys consider getting the first three patches in this series via the bpf
tree?

The BPF bits were acked by Song.

All the net-next and therefore also bpf-next bits for 5.11 were just merged
by Linus into his tree. If you need the first 3 from [0] to land for this merge
window, it's probably easiest if you take them in and send them via perf tree
directly in case you didn't send out a pull-req yet.. (alternatively I'll ping
David/Jakub if they plan to make a 2nd net-next pull-req end of this week).

Thanks,
Daniel

 [0] https://lore.kernel.org/lkml/20201214105457.543111-1-jo...@kernel.org/

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