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Date:	Tue, 15 May 2012 17:34:44 +0900
From:	Namhyung Kim <namhyung.kim@....com>
To:	Cong Wang <xiyou.wangcong@...il.com>
Cc:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	linux-kernel@...r.kernel.org, Hyeoncheol Lee <cheol.lee@....com>
Subject: Re: [QUESTION] Kprobes as a module?

Hi,

On Tue, 15 May 2012 16:31:42 +0800, Cong Wang wrote:
> On 05/15/2012 04:24 PM, Namhyung Kim wrote:
>> Hi,
>>
>> Probably a dumb question :).
>> What prevents the kprobes from being built as a module? We want to use
>> the kprobes on our systems, but some guys worried about potential
>> security problems. So it'd be great if we can enable/load kprobes as
>> needed and then disable/unload after using it. Is it a possible senario?
>>
>
> Kconfig prevents that:
>
> config KPROBES
>         bool "Kprobes"
>         depends on MODULES
>         depends on HAVE_KPROBES
>         select KALLSYMS
>
>
> so you can have either CONFIG_KPROBES=y or CONFIG_KPROBES=n, but not =m.

Sorry for an inaccurate question, my point was "Can I change it from
'bool' to 'tristate'"?

Thanks,
Namhyung
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