From: Jamie Lokier <jamie@shareable.org>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Re: [PATCH] Reboot CPU on triple fault
Date: Wed, 16 Apr 2008 10:23:40 +0100 [thread overview]
Message-ID: <20080416092340.GA27898@shareable.org> (raw)
In-Reply-To: <4805BAB0.1030707@suse.de>
Kevin Wolf wrote:
> > IMHO There's no reason to print a message to stderr. This is all
> > well defined behavior, and the accepted way of exiting from 286
> > protected mode.
>
> How many users does qemu have who need triple faults to exit from 286
> Protected Mode?
Not many, only those users running old MS-DOS apps / OSes.
> And how many users does it have who don't use triple
> faults (yes, it's called a fault, not a PM exiting feature)
Faults don't mean errors. Think about page faults.
> And honestly, a message on stderr really shouldn't hurt those 286 folks.
For old MS-DOS apps / OSes, I have the impression this can happen
hundreds of times per second. It's part of task context switching and
BIOS calls.
-- Jamie
next prev parent reply other threads:[~2008-04-16 9:23 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-29 18:13 [Qemu-devel] [PATCH] Reboot CPU on triple fault Hervé Poussineau
2008-03-30 1:36 ` Alexander Graf
2008-03-31 9:52 ` Kevin Wolf
2008-04-15 16:05 ` [Qemu-devel] " Jan Kiszka
2008-04-15 16:57 ` Paul Brook
2008-04-16 8:37 ` Kevin Wolf
2008-04-16 9:23 ` Jamie Lokier [this message]
2008-04-16 9:51 ` Antoine Kaufmann
2008-04-16 9:53 ` Kevin Wolf
2008-04-16 10:17 ` Michal Schulz
2008-04-16 10:25 ` Michal Schulz
2008-04-16 12:08 ` Kevin Wolf
2008-04-16 10:22 ` Jan Kiszka
2008-04-16 11:34 ` Jamie Lokier
2008-04-16 14:44 ` Anthony Liguori
2008-04-16 8:18 ` Kevin Wolf
2008-04-16 12:02 ` Jan Kiszka
2008-04-16 12:09 ` Avi Kivity
2008-04-16 12:36 ` Kevin Wolf
2008-04-16 12:57 ` Jamie Lokier
2008-04-16 12:44 ` [Qemu-devel] [PATCH] x86: Reboot CPU on triple fault - Version 3 Jan Kiszka
2008-04-16 13:35 ` [Qemu-devel] [PATCH] x86: Reboot CPU on triple fault - Version 4 Kevin Wolf
2008-04-16 14:18 ` [Qemu-devel] " Jan Kiszka
2008-04-16 14:33 ` [Qemu-devel] [PATCH] x86: Reboot CPU on triple fault - Version 5 Kevin Wolf
2008-04-16 14:57 ` [Qemu-devel] [PATCH] x86: Reboot CPU on triple fault - Version 6 Kevin Wolf
2008-04-17 9:52 ` [Qemu-devel] " Jan Kiszka
2008-04-18 14:06 ` [Qemu-devel] " Anthony Liguori
2008-04-21 11:53 ` Kevin Wolf
2008-05-26 14:46 ` [Qemu-devel] " Jan Kiszka
2008-05-27 16:01 ` [Qemu-devel] [PATCH] x86: Reboot CPU on triple fault - Version 8 Jan Kiszka
2008-05-27 16:17 ` [Qemu-devel] " Jan Kiszka
2008-04-16 14:37 ` [Qemu-devel] Re: [PATCH] x86: Reboot CPU on triple fault - Version 4 Anthony Liguori
2008-04-17 8:07 ` Jan Kiszka
2008-04-17 12:49 ` Anthony Liguori
2008-04-17 14:10 ` Jan Kiszka
2008-04-17 18:30 ` Anthony Liguori
2008-04-17 19:24 ` Jan Kiszka
2008-04-18 8:38 ` Kevin Wolf
2008-04-18 14:08 ` Anthony Liguori
2008-04-21 9:37 ` Kevin Wolf
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