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From: Jamie Lokier <jamie@shareable.org>
To: Amit Shah <amit.shah@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>,
	Gerd Hoffmann <kraxel@redhat.com>,
	qemu list <qemu-devel@nongnu.org>,
	Juan Quintela <quintela@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 01:09:23 +0000	[thread overview]
Message-ID: <20100326010923.GD19308@shareable.org> (raw)
In-Reply-To: <1269442173-18421-3-git-send-email-amit.shah@redhat.com>

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?

-- Jamie

  parent reply	other threads:[~2010-03-26  1:09 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     ` Jamie Lokier [this message]
2010-03-26  2:03       ` [Qemu-devel] [PATCH 02/15] virtio-serial: save/load: Ensure nr_ports on src and dest are same Amit Shah
2010-03-26  4:08         ` Jamie Lokier

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