From: Paul Brook <paul@codesourcery.com>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: Jan Kiszka <jan.kiszka@siemens.com>,
Markus Armbruster <armbru@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"chrisw@redhat.com" <chrisw@redhat.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"kraxel@redhat.com" <kraxel@redhat.com>,
"avi@redhat.com" <avi@redhat.com>
Subject: Re: [Qemu-devel] [RFC PATCH 1/5] qdev: Create qdev_get_dev_path()
Date: Tue, 15 Jun 2010 12:24:53 +0100 [thread overview]
Message-ID: <201006151224.53472.paul@codesourcery.com> (raw)
In-Reply-To: <1276564441.12015.668.camel@x201>
> > In fact what you really want to do is transfer the device tree
> > (including properties), and create the machine from scratch, not load
> > state into a pre-supplied device tree.
>
> Well, I agree, but that's a lot more of an overhaul, and once again
> we're changing the problem.
I think it's you that's changing the problem.
The requirement is to uniquely identify a device within a machine.
Verifying that this device is that compatible with the device at the same
address in a different machine is a separate problem. We should not be trying
to encode this information in the canonical device path.
Paul
WARNING: multiple messages have this Message-ID (diff)
From: Paul Brook <paul@codesourcery.com>
To: Alex Williamson <alex.williamson@redhat.com>
Cc: "chrisw@redhat.com" <chrisw@redhat.com>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
Jan Kiszka <jan.kiszka@siemens.com>,
Markus Armbruster <armbru@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"kraxel@redhat.com" <kraxel@redhat.com>,
"avi@redhat.com" <avi@redhat.com>
Subject: Re: [Qemu-devel] [RFC PATCH 1/5] qdev: Create qdev_get_dev_path()
Date: Tue, 15 Jun 2010 12:24:53 +0100 [thread overview]
Message-ID: <201006151224.53472.paul@codesourcery.com> (raw)
In-Reply-To: <1276564441.12015.668.camel@x201>
> > In fact what you really want to do is transfer the device tree
> > (including properties), and create the machine from scratch, not load
> > state into a pre-supplied device tree.
>
> Well, I agree, but that's a lot more of an overhaul, and once again
> we're changing the problem.
I think it's you that's changing the problem.
The requirement is to uniquely identify a device within a machine.
Verifying that this device is that compatible with the device at the same
address in a different machine is a separate problem. We should not be trying
to encode this information in the canonical device path.
Paul
next prev parent reply other threads:[~2010-06-15 11:24 UTC|newest]
Thread overview: 160+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-14 5:51 [RFC PATCH 0/5] Introduce canonical device hierarchy string Alex Williamson
2010-06-14 5:51 ` [Qemu-devel] " Alex Williamson
2010-06-14 5:51 ` [RFC PATCH 1/5] qdev: Create qdev_get_dev_path() Alex Williamson
2010-06-14 5:51 ` [Qemu-devel] " Alex Williamson
2010-06-14 6:39 ` Markus Armbruster
2010-06-14 6:39 ` Markus Armbruster
2010-06-14 12:52 ` Alex Williamson
2010-06-14 12:52 ` Alex Williamson
2010-06-14 13:00 ` Jan Kiszka
2010-06-14 13:00 ` Jan Kiszka
2010-06-14 13:09 ` Paul Brook
2010-06-14 13:09 ` Paul Brook
2010-06-14 15:29 ` Alex Williamson
2010-06-14 15:29 ` Alex Williamson
2010-06-14 15:42 ` Paul Brook
2010-06-14 15:42 ` Paul Brook
2010-06-14 16:00 ` Jan Kiszka
2010-06-14 16:00 ` Jan Kiszka
2010-06-14 16:38 ` Alex Williamson
2010-06-14 16:38 ` Alex Williamson
2010-06-14 16:49 ` Jan Kiszka
2010-06-14 16:49 ` Jan Kiszka
2010-06-14 18:35 ` Alex Williamson
2010-06-14 18:35 ` Alex Williamson
2010-06-14 21:43 ` Paul Brook
2010-06-14 21:43 ` Paul Brook
2010-06-14 22:11 ` Alex Williamson
2010-06-14 22:11 ` Alex Williamson
2010-06-14 22:46 ` Paul Brook
2010-06-14 22:46 ` Paul Brook
2010-06-15 1:14 ` Alex Williamson
2010-06-15 1:14 ` Alex Williamson
2010-06-15 11:24 ` Paul Brook [this message]
2010-06-15 11:24 ` Paul Brook
2010-06-15 8:47 ` Markus Armbruster
2010-06-15 8:47 ` Markus Armbruster
2010-06-15 9:34 ` Jan Kiszka
2010-06-15 9:34 ` Jan Kiszka
2010-06-15 11:28 ` Paul Brook
2010-06-15 11:28 ` Paul Brook
2010-06-15 11:45 ` Jan Kiszka
2010-06-15 11:45 ` Jan Kiszka
2010-06-15 12:04 ` Paul Brook
2010-06-15 12:04 ` Paul Brook
2010-06-15 12:16 ` Jan Kiszka
2010-06-15 12:16 ` Jan Kiszka
2010-06-15 12:39 ` Paul Brook
2010-06-15 12:39 ` Paul Brook
2010-06-15 13:00 ` Jan Kiszka
2010-06-15 13:00 ` Jan Kiszka
2010-06-15 13:14 ` Paul Brook
2010-06-15 13:14 ` Paul Brook
2010-06-15 13:16 ` Markus Armbruster
2010-06-15 13:16 ` Markus Armbruster
2010-06-15 13:32 ` Jan Kiszka
2010-06-15 13:32 ` Jan Kiszka
2010-06-15 20:53 ` Alex Williamson
2010-06-15 20:53 ` Alex Williamson
2010-06-15 21:55 ` Paul Brook
2010-06-15 21:55 ` Paul Brook
2010-06-15 22:33 ` Alex Williamson
2010-06-15 22:33 ` Alex Williamson
2010-06-15 23:01 ` Paul Brook
2010-06-15 23:01 ` Paul Brook
2010-06-15 23:10 ` Alex Williamson
2010-06-15 23:10 ` Alex Williamson
2010-06-16 0:25 ` Chris Wright
2010-06-16 0:25 ` Chris Wright
2010-06-16 0:30 ` Paul Brook
2010-06-16 0:30 ` Paul Brook
2010-06-16 0:35 ` Chris Wright
2010-06-16 0:35 ` Chris Wright
2010-06-16 1:30 ` Paul Brook
2010-06-16 1:30 ` Paul Brook
2010-06-16 2:55 ` Alex Williamson
2010-06-16 2:55 ` Alex Williamson
2010-06-16 8:23 ` Markus Armbruster
2010-06-16 8:23 ` Markus Armbruster
2010-06-17 22:25 ` Alex Williamson
2010-06-17 22:25 ` Alex Williamson
2010-06-18 9:16 ` Jan Kiszka
2010-06-18 9:16 ` Jan Kiszka
2010-06-18 15:01 ` Alex Williamson
2010-06-18 15:01 ` Alex Williamson
2010-06-18 15:22 ` Jan Kiszka
2010-06-18 15:22 ` Jan Kiszka
2010-06-18 14:03 ` Markus Armbruster
2010-06-18 14:03 ` Markus Armbruster
2010-06-18 14:14 ` Jan Kiszka
2010-06-18 14:14 ` Jan Kiszka
2010-06-18 15:21 ` Alex Williamson
2010-06-18 15:21 ` Alex Williamson
2010-06-15 11:42 ` Markus Armbruster
2010-06-15 11:42 ` Markus Armbruster
2010-06-15 11:59 ` Jan Kiszka
2010-06-15 11:59 ` Jan Kiszka
2010-06-15 13:07 ` Markus Armbruster
2010-06-15 13:07 ` Markus Armbruster
2010-06-15 13:19 ` Paul Brook
2010-06-15 13:19 ` Paul Brook
2010-06-15 13:32 ` Paul Brook
2010-06-15 13:32 ` Paul Brook
2010-06-15 15:08 ` Jan Kiszka
2010-06-15 15:08 ` Jan Kiszka
2010-06-16 13:02 ` Markus Armbruster
2010-06-16 13:02 ` Markus Armbruster
2010-06-14 5:51 ` [RFC PATCH 2/5] savevm: Add DeviceState param Alex Williamson
2010-06-14 5:51 ` [Qemu-devel] " Alex Williamson
2010-06-14 5:51 ` [RFC PATCH 3/5] savevm: Make use of the new " Alex Williamson
2010-06-14 5:51 ` [Qemu-devel] " Alex Williamson
2010-06-14 5:51 ` [RFC PATCH 4/5] eepro100: Add a dev field to eeprom new/free functions Alex Williamson
2010-06-14 5:51 ` [Qemu-devel] " Alex Williamson
2010-06-14 5:51 ` [RFC PATCH 5/5] virtio-net: Incorporate a DeviceState pointer and let savevm track instances Alex Williamson
2010-06-14 5:51 ` [Qemu-devel] " Alex Williamson
2010-06-14 7:02 ` [RFC PATCH 0/5] Introduce canonical device hierarchy string Gerd Hoffmann
2010-06-14 7:02 ` [Qemu-devel] " Gerd Hoffmann
2010-06-14 19:56 ` Alex Williamson
2010-06-14 19:56 ` [Qemu-devel] " Alex Williamson
2010-06-15 8:53 ` Markus Armbruster
2010-06-15 8:53 ` Markus Armbruster
2010-06-15 18:01 ` Alex Williamson
2010-06-15 18:01 ` Alex Williamson
2010-06-16 8:34 ` Markus Armbruster
2010-06-16 8:36 ` Markus Armbruster
2010-06-15 9:12 ` Gerd Hoffmann
2010-06-15 9:12 ` [Qemu-devel] " Gerd Hoffmann
2010-06-15 18:03 ` Alex Williamson
2010-06-15 18:03 ` [Qemu-devel] " Alex Williamson
2010-06-16 9:46 ` RFC qdev path semantics (was: [Qemu-devel] [RFC PATCH 0/5] Introduce canonical device hierarchy string) Markus Armbruster
2010-06-16 9:46 ` Markus Armbruster
2010-06-16 10:40 ` Paul Brook
2010-06-16 10:40 ` Paul Brook
2010-06-16 11:37 ` RFC qdev path semantics Jan Kiszka
2010-06-16 11:37 ` [Qemu-devel] " Jan Kiszka
2010-06-16 11:45 ` Paul Brook
2010-06-16 11:45 ` [Qemu-devel] " Paul Brook
2010-06-16 12:01 ` Jan Kiszka
2010-06-16 12:01 ` [Qemu-devel] " Jan Kiszka
2010-06-16 12:21 ` Paul Brook
2010-06-16 12:21 ` Paul Brook
2010-06-16 13:50 ` Jan Kiszka
2010-06-16 13:50 ` Jan Kiszka
2010-06-16 13:05 ` Markus Armbruster
2010-06-16 13:05 ` [Qemu-devel] " Markus Armbruster
2010-06-16 13:23 ` Paul Brook
2010-06-16 13:23 ` [Qemu-devel] " Paul Brook
2010-06-16 14:31 ` Markus Armbruster
2010-06-16 14:31 ` Markus Armbruster
2010-06-17 21:43 ` Alex Williamson
2010-06-17 21:43 ` [Qemu-devel] " Alex Williamson
2010-06-17 22:01 ` Paul Brook
2010-06-17 22:01 ` [Qemu-devel] " Paul Brook
2010-06-17 22:34 ` Alex Williamson
2010-06-17 22:34 ` [Qemu-devel] " Alex Williamson
2010-06-18 7:52 ` Gerd Hoffmann
2010-06-18 7:52 ` [Qemu-devel] " Gerd Hoffmann
2010-06-18 14:58 ` Markus Armbruster
2010-06-18 14:58 ` [Qemu-devel] " Markus Armbruster
2010-06-22 14:27 ` Anthony Liguori
2010-06-22 14:27 ` [Qemu-devel] " Anthony Liguori
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