linux-kernel - Re: [PATCH] x86: introduce /dev/mem restrictions with a config option

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Message-ID: <20080131064128.58c516da@laptopd505.fenrus.org>
Date:	Thu, 31 Jan 2008 06:41:28 -0800
From:	Arjan van de Ven <arjan@...radead.org>
To:	devzero@....de
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: introduce /dev/mem restrictions with a config
 option

On Thu, 31 Jan 2008 15:04:28 +0100
devzero@....de wrote:

> nice !
> 
> did you think about some boot-time param , e.g. "insecure-devmem" or
> something like that?
> 
> recompiling kernel is time consuming.....

given that this has been in fedora/rhel for 5 years with no complaints...
it's extremely rare, and if you are someone who's going to use it to do some weird
form of kernel debugging, you already know that way ahead of time, when you
compile your kernel.
(Note: I don't know of any tools that do kernel debugging this way. At all)
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