linux-kernel - Re: [PATCH 2/7] ftrace: Add enable/disable ftrace

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 16 Jan 2012 21:07:35 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Jiri Olsa <jolsa@...hat.com>, mingo@...hat.com, paulus@...ba.org,
	acme@...stprotocols.net, a.p.zijlstra@...llo.nl,
	linux-kernel@...r.kernel.org, aarapov@...hat.com
Subject: Re: [PATCH 2/7] ftrace: Add enable/disable ftrace_ops control
 interface

On Tue, 2012-01-17 at 02:42 +0100, Frederic Weisbecker wrote:
>  
> > diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
> > index 523640f..0d43a2b 100644
> > --- a/include/linux/ftrace.h
> > +++ b/include/linux/ftrace.h
> > @@ -35,12 +35,14 @@ enum {
> >  	FTRACE_OPS_FL_ENABLED		= 1 << 0,
> >  	FTRACE_OPS_FL_GLOBAL		= 1 << 1,
> >  	FTRACE_OPS_FL_DYNAMIC		= 1 << 2,
> > +	FTRACE_OPS_FL_CONTROL		= 1 << 3,
> 
> Please comment the role of this flag. In fact it would be nice to have
> a comment that explains all these. GLOBAL and DYNAMIC don't actually give
> much clues alone.

Someone else asked about commenting these (was it you?). I probably
should, as it is confusing to what they are used for.

I just figured every just figures it out by looking at the code ;-)

-- Steve


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/