From: Jamie Lokier <jamie@shareable.org>
To: Amit Shah <amit.shah@redhat.com>
Cc: qemu list <qemu-devel@nongnu.org>,
Juan Quintela <quintela@redhat.com>,
Gerd Hoffmann <kraxel@redhat.com>,
"Michael S. Tsirkin" <mst@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 02/15] virtio-serial: save/load: Ensure nr_ports on src and dest are same.
Date: Fri, 26 Mar 2010 04:08:42 +0000 [thread overview]
Message-ID: <20100326040842.GV19308@shareable.org> (raw)
In-Reply-To: <20100326020301.GG8111@amit-x200.redhat.com>
Amit Shah wrote:
> On (Fri) Mar 26 2010 [01:09:23], Jamie Lokier wrote:
> > Amit Shah wrote:
> > > The number of ports on the source as well as the destination machines
> > > should match. If they don't, it means some ports that got hotplugged on
> > > the source aren't instantiated on the destination. Or that ports that
> > > were hot-unplugged on the source are created on the destination.
> >
> > Surely the set of guest-visible ids must match exactly and be checked
> > (maybe mapped, if they were given in a different order), in which case
> > counting the number of ports looks redundant.
> >
> > I.e. is this check hiding the omission of the proper one?
>
> Yes, That's added in a later patch (5). That patch changes the guest
> abi, so it's separate.
>
> Also, patch 3 checks if all the ports on the src are present on the
> dest.
Great, thanks :-)
-- Jamie
prev parent reply other threads:[~2010-03-26 4:08 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-24 14:49 [Qemu-devel] [PATCH 00/15] v3: virtio-serial-bus fixes, new abi for port discovery Amit Shah
2010-03-24 14:49 ` [Qemu-devel] [PATCH 01/15] virtio-serial: save/load: Ensure target has enough ports Amit Shah
2010-03-24 14:49 ` [Qemu-devel] [PATCH 02/15] virtio-serial: save/load: Ensure nr_ports on src and dest are same Amit Shah
2010-03-24 14:49 ` [Qemu-devel] [PATCH 03/15] virtio-serial: save/load: Ensure we have hot-plugged ports instantiated Amit Shah
2010-03-24 14:49 ` [Qemu-devel] [PATCH 04/15] virtio-serial: save/load: Send target host connection status if different Amit Shah
2010-03-24 14:49 ` [Qemu-devel] [PATCH 05/15] virtio-serial: Use control messages to notify guest of new ports Amit Shah
2010-03-24 14:49 ` [Qemu-devel] [PATCH 06/15] virtio-serial: whitespace: match surrounding code Amit Shah
2010-03-24 14:49 ` [Qemu-devel] [PATCH 07/15] virtio-serial: Remove redundant check for 0-sized write request Amit Shah
2010-03-24 14:49 ` [Qemu-devel] [PATCH 08/15] virtio-serial: Update copyright year to 2010 Amit Shah
2010-03-24 14:49 ` [Qemu-devel] [PATCH 09/15] virtio-serial: Propagate errors in initialising ports / devices in guest Amit Shah
2010-03-24 14:49 ` [Qemu-devel] [PATCH 10/15] virtio-serial: Add QMP events for failed port/device add Amit Shah
2010-03-24 14:49 ` [Qemu-devel] [PATCH 11/15] virtio-serial: Send out guest data to ports only if port is opened Amit Shah
2010-03-24 14:49 ` [Qemu-devel] [PATCH 12/15] iov: Introduce a new file for helpers around iovs, add iov_from_buf() Amit Shah
2010-03-24 14:49 ` [Qemu-devel] [PATCH 13/15] iov: Add iov_to_buf and iov_size helpers Amit Shah
2010-03-24 14:49 ` [Qemu-devel] [PATCH 14/15] virtio-serial: Handle scatter-gather buffers for control messages Amit Shah
2010-03-24 14:49 ` [Qemu-devel] [PATCH 15/15] virtio-serial: Handle scatter/gather input from the guest Amit Shah
2010-03-30 13:44 ` [Qemu-devel] Re: [PATCH 14/15] virtio-serial: Handle scatter-gather buffers for control messages Juan Quintela
2010-03-30 13:47 ` Amit Shah
2010-03-24 20:34 ` [Qemu-devel] Re: [PATCH 10/15] virtio-serial: Add QMP events for failed port/device add Luiz Capitulino
2010-03-25 3:47 ` Amit Shah
2010-03-25 18:34 ` Luiz Capitulino
2010-03-26 1:17 ` Jamie Lokier
2010-03-26 2:07 ` Amit Shah
2010-03-26 4:07 ` Jamie Lokier
2010-03-26 4:56 ` Amit Shah
2010-03-26 5:23 ` Jamie Lokier
2010-03-26 13:49 ` Amit Shah
2010-03-26 14:44 ` Jamie Lokier
2010-03-26 14:57 ` Amit Shah
2010-03-28 15:01 ` Jamie Lokier
2010-03-26 13:05 ` Luiz Capitulino
2010-03-26 13:24 ` Amit Shah
2010-03-26 1:57 ` Amit Shah
2010-03-25 18:55 ` Luiz Capitulino
2010-03-26 2:16 ` Amit Shah
2010-03-26 13:14 ` Luiz Capitulino
2010-03-26 13:26 ` Amit Shah
2010-03-26 14:29 ` Luiz Capitulino
2010-03-26 14:43 ` Amit Shah
2010-03-26 17:52 ` Luiz Capitulino
2010-03-27 8:03 ` Amit Shah
2010-03-29 13:34 ` Luiz Capitulino
2010-03-26 16:51 ` Anthony Liguori
2010-03-26 1:09 ` [Qemu-devel] [PATCH 02/15] virtio-serial: save/load: Ensure nr_ports on src and dest are same Jamie Lokier
2010-03-26 2:03 ` Amit Shah
2010-03-26 4:08 ` Jamie Lokier [this message]
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