Subject: Re: [PATCH v8 tip 3/9] tracing: attach BPF programs to kprobes

From: Alexei Starovoitov <ast-uqk4Ao+rVK5Wk0Htik3J/[email-masked]>
Date: Fri, 20 Mar 2015 14:38:40 -0700

On 3/20/15 2:09 PM, Steven Rostedt wrote:
>
>> +/**
>> + * trace_call_bpf - invoke BPF program
>> + * @prog - BPF program
>> + * @ctx - opaque context pointer
>> + *
>> + * kprobe handlers execute BPF programs via this helper.
>> + * Can be used from static tracepoints in the future.
>
> Should also state what the expected return values are. What does a
> return of "1" mean?

In earlier versions of this set I had detailed description of return
values from bpf program, somehow it got lost after all the revisions.
Will re-add.

> You are no longer in the net/ world. The rest of the Linux coding style
> is:
>
> 	/*
> 	 * multi line comments
> 	 */
>
> Only DaveM gets away with that format ;-)

:)
since bpf was born in the net/ world all comments are in that style.
When it moved into kernel/bpf/ we've decided to keep net/ style in there
as well, but for this file I don't mind using !net style ;)

> Reviewed-by: Steven Rostedt <[email-masked]>

Thanks a lot. Will respin.