From: Kilgallen@SpamCop.net (Larry Kilgallen)
Subject: Re: Ada OS Kernel features
Date: 6 Sep 2001 14:41:10 -0500
Date: 2001-09-06T14:41:10-05:00 [thread overview]
Message-ID: <d8$8gnF$GFEk@eisner.encompasserve.org> (raw)
In-Reply-To: UWOl7.11352$592.628767@news2-win.server.ntlworld.com
In article <UWOl7.11352$592.628767@news2-win.server.ntlworld.com>, "chris.danx" <chris.danx@ntlworld.com> writes:
>
>> > I really don't get why a driver must have access to system structures or
>> > atleast those in kernel space, can you explain this?
>>
>> A driver has access to raw hardware. Therefore it necessarily has
>> access to the system -- it could rewrite the copy of the OS on disk
>> if it chose.
>
> Perhaps, but that's a problem that could be solved, in part, by restricting
> what the drivers allowed to access. Video drivers have no business using
> the disk, so their access to disk access ports should be denied. Similar
> schemes should be used when appropriate. It should not be possible for a
> driver to access things willy nilly.
My impression was that the goal was to use existing hardware that is
widely available.
next prev parent reply other threads:[~2001-09-06 19:41 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-05 5:58 Ada OS Kernel features Brian Catlin
2001-09-05 10:15 ` Jacob Sparre Andersen
2001-09-05 11:16 ` Larry Kilgallen
2001-09-05 17:06 ` Brian Catlin
2001-09-06 14:35 ` Marin David Condic
2001-09-07 9:31 ` Tarjei T. Jensen
2001-09-05 17:55 ` David Starner
2001-09-05 18:42 ` Darren New
2001-09-12 6:47 ` Mats Karlssohn
2001-09-05 14:04 ` Ted Dennison
2001-09-05 17:23 ` Brian Catlin
2001-09-05 20:17 ` Ted Dennison
2001-09-05 21:10 ` Brian Catlin
2001-09-06 6:45 ` Tarjei T. Jensen
2001-09-06 6:56 ` Brian Catlin
2001-09-06 14:05 ` Ted Dennison
2001-09-05 16:02 ` Alfred Hilscher
2001-09-05 16:19 ` Jacob Sparre Andersen
2001-09-05 17:58 ` Brian Catlin
2001-09-05 17:44 ` Brian Catlin
2001-09-05 17:58 ` Darren New
2001-09-05 18:51 ` Larry Kilgallen
2001-09-05 19:25 ` chris.danx
2001-09-05 20:07 ` Darren New
2001-09-05 20:14 ` Larry Kilgallen
2001-09-06 13:45 ` Alfred Hilscher
2001-09-06 18:06 ` chris.danx
2001-09-06 19:41 ` Larry Kilgallen [this message]
2001-09-06 22:32 ` chris.danx
2001-09-07 11:04 ` Larry Kilgallen
2001-09-07 8:04 ` Dmitry Kazakov
2001-09-07 8:18 ` Mattias Svensson
2001-09-07 12:40 ` Dmitry Kazakov
2001-09-12 7:12 ` Mats Karlssohn
2001-09-05 20:18 ` Brian Catlin
2001-09-06 6:48 ` Ole-Hjalmar Kristensen
2001-09-06 6:59 ` Brian Catlin
2001-09-10 7:32 ` Ole-Hjalmar Kristensen
2001-09-06 13:42 ` Alfred Hilscher
2001-09-07 8:13 ` Dmitry Kazakov
2001-09-08 3:55 ` Kenneth Almquist
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