From: Alexei Starovoitov
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 vi
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