Re: [PATCH v3 linux-trace 1/8] tracing: attach eBPF programs to tracepoints and syscalls

[Alexei Starovoitov]

On Wed, Feb 11, 2015 at 5:28 AM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>
> We're compiling the BPF stuff against the 'current' kernel headers
> right?

the tracex1 example is pulling kernel headers to demonstrate
how bpf_fetch*() helpers can be used to walk kernel structures
without debug info.
The other examples don't need any internal headers.

> So would enforcing module versioning not be sufficient?

I'm going to redo the ex1 to use kprobe and some form of
version check. Indeed module-like versioning should
be enough.
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