From: Avi Kivity <avi@redhat.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Kevin Wolf <kwolf@redhat.com>,
kvm@vger.kernel.org, qemu-devel@nongnu.org,
Blue Swirl <blauwirbel@gmail.com>,
ceph-devel@vger.kernel.org, Christian Brunner <chb@muc.de>
Subject: Re: [Qemu-devel] [RFC PATCH 1/1] ceph/rbd block driver for qemu-kvm
Date: Tue, 25 May 2010 16:38:29 +0300 [thread overview]
Message-ID: <4BFBD2D5.2000201@redhat.com> (raw)
In-Reply-To: <4BFBD20E.5060207@codemonkey.ws>
On 05/25/2010 04:35 PM, Anthony Liguori wrote:
> On 05/25/2010 08:31 AM, Avi Kivity wrote:
>>> A protocol based mechanism has the advantage of being more robust in
>>> the face of poorly written block backends so if it's possible to
>>> make it perform as well as a plugin, it's a preferable approach.
>>
>> May be hard due to difficulty of exposing guest memory.
>
> If someone did a series to add plugins, I would expect a very strong
> argument as to why a shared memory mechanism was not possible or at
> least plausible.
>
> I'm not sure I understand why shared memory is such a bad thing wrt
> KVM. Can you elaborate? Is it simply a matter of fork()?
fork() doesn't work in the with of memory hotplug. What else is there?
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2010-05-25 13:40 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-19 19:22 [Qemu-devel] [RFC PATCH 1/1] ceph/rbd block driver for qemu-kvm Christian Brunner
2010-05-20 20:31 ` Blue Swirl
2010-05-20 21:18 ` Christian Brunner
2010-05-20 21:29 ` Anthony Liguori
2010-05-20 22:16 ` Christian Brunner
2010-05-21 5:28 ` Stefan Hajnoczi
2010-05-21 6:13 ` MORITA Kazutaka
2010-05-21 5:54 ` MORITA Kazutaka
2010-05-23 12:01 ` Avi Kivity
2010-05-24 7:12 ` MORITA Kazutaka
2010-05-24 11:05 ` Avi Kivity
2010-05-24 11:42 ` MORITA Kazutaka
2010-05-24 11:56 ` Avi Kivity
2010-05-24 12:07 ` Cláudio Martins
2010-05-24 14:01 ` MORITA Kazutaka
2010-05-24 19:07 ` Christian Brunner
2010-05-24 19:38 ` Anthony Liguori
2010-05-25 9:14 ` Avi Kivity
2010-05-25 13:17 ` Anthony Liguori
2010-05-25 13:25 ` Avi Kivity
2010-05-25 13:29 ` Anthony Liguori
2010-05-25 13:36 ` Avi Kivity
2010-05-25 13:54 ` Anthony Liguori
2010-05-25 13:57 ` Avi Kivity
2010-05-25 14:02 ` Anthony Liguori
2010-05-26 8:44 ` Avi Kivity
2010-05-25 14:01 ` Kevin Wolf
2010-05-25 16:21 ` Avi Kivity
2010-05-25 17:12 ` Sage Weil
2010-05-26 5:24 ` MORITA Kazutaka
2010-05-26 8:46 ` Avi Kivity
2010-05-24 19:16 ` Anthony Liguori
2010-05-25 9:19 ` Avi Kivity
2010-05-25 13:26 ` MORITA Kazutaka
2010-05-24 8:27 ` Stefan Hajnoczi
2010-05-24 11:03 ` Avi Kivity
2010-05-24 19:19 ` Anthony Liguori
2010-05-25 9:22 ` Avi Kivity
2010-05-25 11:02 ` Kevin Wolf
2010-05-25 11:25 ` Avi Kivity
2010-05-25 12:03 ` Christoph Hellwig
2010-05-25 12:13 ` Avi Kivity
2010-05-25 13:25 ` Anthony Liguori
2010-05-25 13:31 ` Avi Kivity
2010-05-25 13:35 ` Anthony Liguori
2010-05-25 13:38 ` Avi Kivity [this message]
2010-05-25 13:55 ` Anthony Liguori
2010-05-25 14:01 ` Avi Kivity
2010-05-25 14:05 ` Anthony Liguori
2010-05-25 15:00 ` Avi Kivity
2010-05-25 15:01 ` Anthony Liguori
2010-05-25 16:16 ` Avi Kivity
2010-05-25 16:21 ` Anthony Liguori
2010-05-25 16:27 ` Avi Kivity
2010-05-25 13:53 ` Kevin Wolf
2010-05-25 13:55 ` Avi Kivity
2010-05-25 14:03 ` Anthony Liguori
2010-05-25 15:02 ` Avi Kivity
2010-05-25 14:09 ` Kevin Wolf
2010-05-25 15:01 ` Avi Kivity
2010-05-20 23:02 ` Yehuda Sadeh Weinraub
2010-05-23 7:59 ` Blue Swirl
2010-05-24 2:17 ` Yehuda Sadeh Weinraub
2010-05-25 20:13 ` Blue Swirl
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