linux-kernel - Re: [PATCH -tip v3 02/23] kprobes: Introduce NOKPROBE

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Message-ID: <5296F71F.9070603@hitachi.com>
Date:	Thu, 28 Nov 2013 16:56:15 +0900
From:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-arch@...r.kernel.org, Jeremy Fitzhardinge <jeremy@...p.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Arnd Bergmann <arnd@...db.de>,
	Sandeepa Prabhu <sandeepa.prabhu@...aro.org>, x86@...nel.org,
	lkml <linux-kernel@...r.kernel.org>,
	"Steven Rostedt (Red Hat)" <rostedt@...dmis.org>,
	virtualization@...ts.linux-foundation.org,
	Chris Wright <chrisw@...s-sol.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Rob Landley <rob@...dley.net>, systemtap@...rceware.org,
	"H. Peter Anvin" <hpa@...or.com>,
	Alok Kataria <akataria@...are.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH -tip v3 02/23] kprobes: Introduce NOKPROBE_SYMBOL() macro
 for blacklist

(2013/11/27 22:32), Ingo Molnar wrote:
> 
> * Masami Hiramatsu <masami.hiramatsu.pt@...achi.com> wrote:
> 
>> +#ifdef CONFIG_KPROBES
>> +/*
>> + * Blacklist ganerating macro. Specify functions which is not probed
>> + * by using this macro.
>> + */
>> +#define __NOKPROBE_SYMBOL(fname)				\
>> +static struct kprobe_blackpoint __used			\
>> +	_kprobe_bp_##fname = {				\
>> +		.name = #fname,				\
>> +		.start_addr = (unsigned long)fname,	\
>> +	};						\
>> +static struct kprobe_blackpoint __used			\
>> +	__attribute__((section("_kprobe_blacklist")))	\
>> +	*_p_kprobe_bp_##fname = &_kprobe_bp_##fname;
> 
> 'kprobe_blackpoint' sounds a bit weird - how about 
> 'kprobe_blacklist_entry' ?

OK, I just tried to reuse existed kprobe_blacklist.

> also, _kprobe_blacklist probably wants to be _kprobes_blacklist, 
> right?

I sse. I'll update it. :)

Thank you,

-- 
Masami HIRAMATSU
IT Management Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu.pt@...achi.com


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