From: Amit Shah <amit.shah@redhat.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: virtualization@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, Alan Cox <alan@linux.intel.com>
Subject: Re: [PATCH] virtio_console: Add support for multiple ports for generic guest and host communication
Date: Sat, 19 Sep 2009 12:31:11 +0530 [thread overview]
Message-ID: <20090919070111.GA5582__6869.06795385784$1253343767$gmane$org@amit-x200.redhat.com> (raw)
In-Reply-To: <4AB3C988.2040303@codemonkey.ws>
On (Fri) Sep 18 2009 [12:55:20], Anthony Liguori wrote:
>> So you need a tiny kernel side driver to unpack it into a meaningful
>> fs, or just a user-user channel with a daemon each end and a protocol
>> over it - nothing kernel in that.
>>
>
> I think there's some confusion over what this driver actually is.
>
> From my perspective, this is a paravirtual serial device and nothing
> more. All the discussion of things like guest copy/paste support is a
> bit silly. This is the wrong way to approach that sort of thing because
> it's not something that belongs in the kernel at all. Furthermore, the
> current proposal doesn't handle anything like save/restore which is
> needed for live migration.
You're mistaken. If you see the patches, I'm only providing a transport
in the kernel. No intelligence in the kernel as to what kind of data
actually flows through. The save/restore support has to come from
userspace, in this case qemu. And that support is very much present.
Amit
--
http://log.amitshah.net/
next prev parent reply other threads:[~2009-09-19 7:01 UTC|newest]
Thread overview: 113+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-11 14:13 Multiple ports support for virtio_console; major number for dev Amit Shah
2009-09-11 14:13 ` [PATCH] virtio_console: Add support for multiple ports for generic guest and host communication Amit Shah
2009-09-11 14:13 ` Amit Shah
2009-09-11 16:00 ` Alan Cox
2009-09-11 16:00 ` Alan Cox
2009-09-11 16:38 ` Amit Shah
2009-09-11 17:26 ` Anthony Liguori
2009-09-11 17:33 ` Amit Shah
2009-09-11 17:33 ` Amit Shah
2009-09-11 17:35 ` Anthony Liguori
2009-09-16 10:23 ` Alan Cox
2009-09-16 22:20 ` Anthony Liguori
2009-09-17 13:06 ` Markus Armbruster
2009-09-17 13:15 ` Alan Cox
2009-09-17 13:41 ` Amit Shah
2009-09-17 13:41 ` Amit Shah
2009-09-17 15:57 ` Alan Cox
2009-09-17 15:57 ` Alan Cox
2009-09-17 16:46 ` Amit Shah
2009-09-17 16:46 ` Amit Shah
2009-09-17 13:15 ` Alan Cox
2009-09-17 13:06 ` Markus Armbruster
2009-09-18 16:00 ` Alan Cox
2009-09-18 17:55 ` Anthony Liguori
2009-09-18 17:55 ` Anthony Liguori
2009-09-18 17:57 ` H. Peter Anvin
2009-09-18 18:02 ` Anthony Liguori
2009-09-18 18:02 ` Anthony Liguori
2009-09-19 7:04 ` Amit Shah
2009-09-19 7:04 ` Amit Shah
2009-09-18 17:57 ` H. Peter Anvin
2009-09-18 20:11 ` Gerd Hoffmann
2009-09-18 20:11 ` Gerd Hoffmann
2009-09-19 7:01 ` Amit Shah [this message]
2009-09-19 7:01 ` Amit Shah
2009-09-21 10:06 ` Alan Cox
2009-09-21 10:06 ` Alan Cox
2009-09-18 16:00 ` Alan Cox
2009-09-16 22:20 ` Anthony Liguori
2009-09-16 10:23 ` Alan Cox
2009-09-11 17:35 ` Anthony Liguori
2009-09-11 17:26 ` Anthony Liguori
2009-09-11 16:38 ` Amit Shah
2009-09-15 12:37 ` Amit Shah
2009-09-15 12:37 ` Amit Shah
2009-09-15 12:57 ` Anthony Liguori
2009-09-15 12:57 ` Anthony Liguori
2009-09-15 13:03 ` Amit Shah
2009-09-15 13:03 ` Amit Shah
2009-09-15 13:37 ` Anthony Liguori
2009-09-15 13:37 ` Anthony Liguori
2009-09-15 14:08 ` Gerd Hoffmann
2009-09-15 14:08 ` Gerd Hoffmann
2009-09-15 14:09 ` Anthony Liguori
2009-09-15 14:09 ` Anthony Liguori
2009-09-22 2:44 ` Rusty Russell
2009-09-22 2:44 ` Rusty Russell
2009-09-22 15:45 ` Amit Shah
2009-09-22 15:45 ` Amit Shah
2009-09-29 9:24 ` Amit Shah
2009-09-29 9:24 ` Amit Shah
2009-09-29 10:09 ` Christian Borntraeger
2009-09-29 10:33 ` Amit Shah
2009-09-29 11:02 ` Christian Borntraeger
2009-09-29 11:40 ` Christian Borntraeger
2009-09-29 11:40 ` Christian Borntraeger
2009-09-29 11:02 ` Christian Borntraeger
2009-09-29 10:33 ` Amit Shah
2009-09-29 10:09 ` Christian Borntraeger
2009-09-29 12:03 ` Christian Borntraeger
2009-09-29 12:03 ` Christian Borntraeger
2009-09-29 12:20 ` Amit Shah
2009-09-29 12:20 ` Amit Shah
2009-09-29 12:56 ` Christian Borntraeger
2009-09-29 12:56 ` Christian Borntraeger
2009-09-29 13:09 ` Amit Shah
2009-09-29 13:31 ` Christian Borntraeger
2009-09-30 17:13 ` Amit Shah
2009-09-30 17:13 ` Amit Shah
2009-10-01 8:17 ` Christian Borntraeger
2009-10-01 8:17 ` Christian Borntraeger
2009-10-01 8:47 ` Amit Shah
2009-10-01 8:47 ` Amit Shah
2009-10-01 8:55 ` Christian Borntraeger
2009-10-01 8:55 ` Christian Borntraeger
2009-10-01 9:00 ` Christian Borntraeger
2009-10-01 10:04 ` Amit Shah
2009-10-01 10:04 ` Amit Shah
2009-10-01 9:00 ` Christian Borntraeger
2009-10-01 10:28 ` Christian Borntraeger
2009-10-01 10:28 ` Christian Borntraeger
2009-10-01 10:42 ` Amit Shah
2009-10-01 10:42 ` Amit Shah
2009-10-01 11:58 ` Amit Shah
2009-10-01 11:58 ` Amit Shah
2009-10-01 12:04 ` Christian Borntraeger
2009-10-01 13:50 ` Amit Shah
2009-10-01 13:50 ` Amit Shah
2009-10-01 12:04 ` Christian Borntraeger
2009-10-05 14:05 ` Amit Shah
2009-10-05 14:05 ` Amit Shah
2009-10-06 6:49 ` Christian Borntraeger
2009-10-06 6:49 ` Christian Borntraeger
2009-10-06 6:55 ` Amit Shah
2009-10-06 6:55 ` Amit Shah
2009-09-29 13:31 ` Christian Borntraeger
2009-09-29 13:09 ` Amit Shah
2009-09-29 13:11 ` Rusty Russell
2009-09-29 13:24 ` Amit Shah
2009-09-29 13:24 ` Amit Shah
2009-09-29 13:11 ` Rusty Russell
-- strict thread matches above, loose matches on Subject: below --
2009-09-09 8:11 Multiple Port Support for virtio-console Amit Shah
2009-09-09 8:12 ` [PATCH] virtio_console: Add support for multiple ports for generic guest and host communication Amit Shah
2009-09-09 8:12 ` Amit Shah
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