From: Wichert Akkerman <wichert@wiggy.net>
To: bert hubert <ahu@ds9a.nl>, Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org, devik@cdi.cz
Subject: Re: [PATCH] Allow /dev/{,k}mem to be disabled to prevent kernel from being modified easily
Date: Sun, 3 Aug 2003 22:52:51 +0200 [thread overview]
Message-ID: <20030803205251.GA2225@wiggy.net> (raw)
In-Reply-To: <20030803204515.GA15271@outpost.ds9a.nl>
Previously bert hubert wrote:
> problem with sigsegv is that it does not allow legitimate programs to choose
> an alternate approach - the log entry would be nice though.
Is that likely to happen on the kind of machines on which you will use
this option?
Also, if your purpose is to prevent userland from meddling with memory
you might want to block iopl was well.
Wichert.
--
Wichert Akkerman <wichert@wiggy.net> It is simple to make things.
http://www.wiggy.net/ It is hard to make things simple.
next prev parent reply other threads:[~2003-08-03 20:53 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-03 18:09 [PATCH] Allow /dev/{,k}mem to be disabled to prevent kernel from being modified easily bert hubert
2003-08-03 19:11 ` Willy Tarreau
2003-08-03 19:18 ` bert hubert
2003-08-03 20:26 ` Willy Tarreau
2003-08-03 21:37 ` Andries Brouwer
2003-08-03 19:32 ` Andrew Morton
2003-08-03 20:45 ` bert hubert
2003-08-03 20:52 ` Wichert Akkerman [this message]
2003-08-03 21:00 ` Andrew Morton
2003-08-03 21:33 ` David Lang
2003-08-03 21:47 ` bert hubert
2003-08-04 13:10 ` Alan Cox
2003-08-03 20:14 ` Matan Ziv-Av
2003-08-03 21:02 ` Alan Cox
2003-08-03 21:08 ` Erik Andersen
2003-08-04 12:30 ` eliezer
2003-08-04 9:37 ` devik
2003-08-04 13:46 ` bert hubert
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