LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Andrew Morton <akpm@linux-foundation.org>
To: Arjan van de Ven <arjan@infradead.org>
Cc: jengelh@computergmbh.de, linux-kernel@vger.kernel.org,
	mingo@elte.hu, davej@redhat.com
Subject: Re: [PATCH] make /dev/kmem a config option
Date: Mon, 11 Feb 2008 14:38:04 -0800	[thread overview]
Message-ID: <20080211143804.76f9743f.akpm@linux-foundation.org> (raw)
In-Reply-To: <20080210170509.36999240@laptopd505.fenrus.org>

On Sun, 10 Feb 2008 17:05:09 -0800
Arjan van de Ven <arjan@infradead.org> wrote:

> Subject: [PATCH] make /dev/kmem a config option
> From: Arjan van de Ven <arjan@linux.intel.com>
> 
> This patch makes /dev/kmem a config option; /dev/kmem is VERY rarely
> used, and when used, it's generally for no good (rootkits tend to be
> the most common users). With this config option, users have the
> choice to disable /dev/kmem, saving some size as well.
> 
> A patch to disable /dev/kmem has been in the Fedora and RHEL kernels for
> 4+ years now without any known problems or legit users of /dev/kmem.
> 

I question the testedness of this.

> +config DEV_KMEM
> ...
> +#ifdef CONFIG_DEVKMEM
>


  reply	other threads:[~2008-02-11 22:40 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-02-10 23:55 Arjan van de Ven
2008-02-11  0:13 ` Jan Engelhardt
2008-02-11  0:42   ` Arjan van de Ven
2008-02-11  1:05   ` Arjan van de Ven
2008-02-11 22:38     ` Andrew Morton [this message]
2008-02-12  4:03       ` Arjan van de Ven
2008-02-12  4:59         ` Andrew Morton
2008-02-12  5:16           ` Arjan van de Ven

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=20080211143804.76f9743f.akpm@linux-foundation.org \
    --to=akpm@linux-foundation.org \
    --cc=arjan@infradead.org \
    --cc=davej@redhat.com \
    --cc=jengelh@computergmbh.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mingo@elte.hu \
    --subject='Re: [PATCH] make /dev/kmem a config option' \
    /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

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).