All of lore.kernel.org
 help / color / mirror / Atom feed
From: Cong Wang <xiyou.wangcong@gmail.com>
To: Namhyung Kim <namhyung.kim@lge.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>,
	linux-kernel@vger.kernel.org, Hyeoncheol Lee <cheol.lee@lge.com>
Subject: Re: [QUESTION] Kprobes as a module?
Date: Tue, 15 May 2012 16:31:42 +0800	[thread overview]
Message-ID: <4FB2146E.20101@gmail.com> (raw)
In-Reply-To: <87zk99zwb8.fsf@sejong.aot.lge.com>

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.

  reply	other threads:[~2012-05-15  8:31 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-15  8:24 [QUESTION] Kprobes as a module? Namhyung Kim
2012-05-15  8:31 ` Cong Wang [this message]
2012-05-15  8:34   ` Namhyung Kim
2012-05-15 12:18     ` Masami Hiramatsu
2012-05-16  1:44       ` Namhyung Kim
2012-05-15 19:52 ` valdis.kletnieks
2012-05-16  1:48   ` Namhyung Kim

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4FB2146E.20101@gmail.com \
    --to=xiyou.wangcong@gmail.com \
    --cc=cheol.lee@lge.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=masami.hiramatsu.pt@hitachi.com \
    --cc=namhyung.kim@lge.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.