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:	Fri, 03 Feb 2012 08:40:34 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	fweisbec@...il.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 Sat, 2012-01-28 at 19:43 +0100, Jiri Olsa wrote:
>  
> +/*
> + * FTRACE_OPS_FL_* bits denote the state of ftrace_ops struct and are
> + * set in the flags member.
> + *
> + * ENABLED - set/unset when ftrace_ops is registered/unregistered
> + * GLOBAL  - set manualy by ftrace_ops user to denote the ftrace_ops
> + *           is part of the global tracers sharing the same filter
> + *           via set_ftrace_* debugfs files.
> + * DYNAMIC - set when ftrace_ops is registered to denote dynamically
> + *           allocated ftrace_ops which need special care
> + * CONTROL - set manualy by ftrace_ops user to denote the ftrace_ops
> + *           could be controled by following calls:
> + *           ftrace_function_enable, ftrace_function_disable
> + */
>  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,
>  };
>  

Nicely written :-)


-- 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/