Messages in this thread | | | From | Andy Lutomirski <> | Date | Fri, 15 Aug 2014 11:50:49 -0700 | Subject | Re: [PATCH RFC v4 net-next 17/26] tracing: allow eBPF programs to be attached to events |
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On Aug 15, 2014 10:36 AM, "Alexei Starovoitov" <ast@plumgrid.com> wrote: > > On Fri, Aug 15, 2014 at 10:20 AM, Andy Lutomirski <luto@amacapital.net> wrote: > > The downside of this approach is that compat support might be > > difficult or impossible. > > Would do you mean by compat? 32-bit programs on 64-bit kernels? > There is no such concept for eBPF. All eBPF programs are always > operating on 64-bit registers.
Doesn't the eBPF program need to know sizeof(long) to read these fields correctly? Or am I misunderstanding what the code does?
--Andy
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