From: Alexei Starovoitov <a...@fb.com> Date: Wed, 6 Jul 2016 22:38:36 -0700
> over time there were multiple requests to access different data > structures and fields of task_struct current, so finally add > the helper to access 'current' as-is. Tracing bpf programs will do > the rest of walking the pointers via bpf_probe_read(). > Note that current can be null and bpf program has to deal it with, > but even dumb passing null into bpf_probe_read() is still safe. > > Suggested-by: Brendan Gregg <brendan.d.gr...@gmail.com> > Signed-off-by: Alexei Starovoitov <a...@kernel.org> > Acked-by: Daniel Borkmann <dan...@iogearbox.net> Applied.
