From: Bill Davidsen <davidsen@tmr.com>
To: Mitchell Blank Jr <mitch@sfgoth.com>
Cc: Russell Miller <rmiller@duskglow.com>, linux-kernel@vger.kernel.org
Subject: Re: is killing zombies possible w/o a reboot?
Date: Thu, 04 Nov 2004 15:10:58 -0500 [thread overview]
Message-ID: <418A8CD2.3050107@tmr.com> (raw)
In-Reply-To: <20041104015959.GA54786@gaz.sfgoth.com>
Mitchell Blank Jr wrote:
> Russell Miller wrote:
>
>>Couldn't ring 1 be used to make
>>sure an errant driver doesn't drop the kernel, at least on x86 machines?
>
>
> Not really -- drivers could still do things like mis-program their associated
> hardware making it do DMA writes all over kernel memory (just as one example)
>
> Basically it'd add a lot of complexity (and inefficiency) without adding
> much real safety.
It would be nice on x86 to run ring 1 for kernel debugging, getting
faults at appropriate points. Sorry, I'm an old MULTICS guy, wish
Honeywell would OS it.
--
-bill davidsen (davidsen@tmr.com)
"The secret to procrastination is to put things off until the
last possible moment - but no longer" -me
next prev parent reply other threads:[~2004-11-04 20:15 UTC|newest]
Thread overview: 99+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-03 12:51 is killing zombies possible w/o a reboot? Gene Heskett
2004-11-03 14:33 ` bert hubert
2004-11-03 14:49 ` Måns Rullgård
2004-11-03 15:25 ` DervishD
2004-11-03 15:25 ` Måns Rullgård
2004-11-03 17:49 ` DervishD
2004-11-03 16:47 ` Gene Heskett
2004-11-03 17:44 ` DervishD
2004-11-03 18:53 ` Gene Heskett
2004-11-03 19:01 ` Doug McNaught
2004-11-03 19:03 ` Måns Rullgård
2004-11-03 19:24 ` Gene Heskett
2004-11-03 19:33 ` Doug McNaught
2004-11-03 19:34 ` Måns Rullgård
2004-11-03 19:06 ` Valdis.Kletnieks
2004-11-03 19:26 ` Gene Heskett
2004-11-03 19:33 ` Valdis.Kletnieks
2004-11-03 20:09 ` Gene Heskett
2004-11-04 19:24 ` Bill Davidsen
2004-11-03 19:42 ` DervishD
2004-11-03 23:12 ` Bill Davidsen
2004-11-04 10:26 ` DervishD
2004-11-04 14:23 ` Paul Slootman
2004-11-04 14:56 ` Gene Heskett
2004-11-04 18:24 ` DervishD
2004-11-04 19:22 ` Bill Davidsen
2004-11-04 20:53 ` DervishD
2004-11-03 19:26 ` DervishD
2004-11-03 20:18 ` Gene Heskett
2004-11-03 22:15 ` Jim Nelson
2004-11-03 22:44 ` Russell Miller
2004-11-03 23:03 ` Doug McNaught
2004-11-03 23:33 ` Russell Miller
2004-11-03 23:47 ` Mathieu Segaud
2004-11-03 23:56 ` Russell Miller
2004-11-04 0:05 ` Mathieu Segaud
2004-11-04 6:39 ` Denis Vlasenko
2004-11-05 2:38 ` Elladan
2004-11-05 3:10 ` Tim Connors
2004-11-05 3:17 ` Russell Miller
2004-11-05 4:38 ` Elladan
2004-11-05 5:00 ` Kyle Moffett
2004-11-04 20:06 ` Bill Davidsen
2004-11-03 23:06 ` vlobanov
2004-11-04 10:04 ` Helge Hafting
2004-11-04 17:16 ` Alex Bennee
2004-11-04 16:30 ` Pedro Venda (SYSADM)
2004-11-04 22:28 ` Helge Hafting
2004-11-03 23:07 ` Bill Davidsen
2004-11-04 1:19 ` Michael Clark
2004-11-04 16:01 ` kernel
2004-11-04 16:18 ` Gene Heskett
2004-11-04 16:47 ` kernel
2004-11-04 17:58 ` Gene Heskett
2004-11-03 22:58 ` Bill Davidsen
2004-11-04 10:23 ` DervishD
2004-11-04 19:32 ` Bill Davidsen
2004-11-04 21:11 ` DervishD
2004-11-09 23:31 ` Bill Davidsen
2004-11-10 9:11 ` DervishD
2004-11-03 23:18 ` Adam Heath
2004-11-03 16:38 ` Gene Heskett
2004-11-03 16:24 ` Gene Heskett
2004-11-03 16:46 ` linux-os
2004-11-03 19:12 ` Gene Heskett
2004-11-03 19:56 ` Måns Rullgård
2004-11-03 20:13 ` Helge Hafting
2004-11-03 20:40 ` Gene Heskett
2004-11-04 0:43 ` Kurt Wall
2004-11-04 1:01 ` Russell Miller
2004-11-04 1:38 ` Doug McNaught
2004-11-04 1:45 ` Russell Miller
2004-11-04 1:56 ` Doug McNaught
2004-11-04 1:59 ` Mitchell Blank Jr
2004-11-04 20:10 ` Bill Davidsen [this message]
2004-11-04 10:07 ` Matthias Andree
2004-11-04 22:31 ` Peter Chubb
2004-11-04 23:33 ` Benno
2004-11-03 20:48 ` Tom Felker
2004-11-03 21:08 ` Gene Heskett
2004-11-04 7:19 ` Jan Knutar
2004-11-04 11:57 ` Gene Heskett
2004-11-04 12:12 ` Jan Knutar
2004-11-04 12:18 ` Gene Heskett
2004-11-04 12:29 ` Jan Knutar
2004-11-04 13:56 ` Gene Heskett
2004-11-04 12:39 ` Gene Heskett
2004-11-04 13:01 ` Ian Campbell
2004-11-04 14:07 ` Gene Heskett
2004-11-04 14:24 ` Ian Campbell
2004-11-04 15:10 ` Gene Heskett
2004-11-04 14:26 ` DervishD
2004-11-04 15:13 ` Gene Heskett
2004-11-04 13:10 ` Doug McNaught
2004-11-04 14:11 ` Gene Heskett
2004-11-04 14:42 ` tlaurent
2004-11-04 15:14 ` Gene Heskett
2004-11-04 20:18 ` Bill Davidsen
2004-11-05 0:29 ` Gene Heskett
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