From: Anthony Liguori <aliguori@us.ibm.com>
To: Avi Kivity <avi@redhat.com>
Cc: qemu-devel@nongnu.org, Glauber Costa <glommer@redhat.com>,
kvm-devel <kvm@vger.kernel.org>
Subject: Re: [PATCH 3/3] Add KVM support to QEMU
Date: Tue, 04 Nov 2008 08:50:51 -0600 [thread overview]
Message-ID: <4910614B.1010602@us.ibm.com> (raw)
In-Reply-To: <4910602B.5060101@redhat.com>
Avi Kivity wrote:
> Anthony Liguori wrote:
>
>>> I think live migration is now broken, since kvm accesses will not
>>> update the qemu dirty bitmap.
>>
>> Eh? I don't follow you here.
>>
>
> guest writes in qemu set the qemu dirty bitmap (for
> cpu_physical_memory_get_dirty()), but guest accesses in kvm won't,
> unless you enable dirty tracking and synchronize kvm's bitmap to
> qemu's. See the changes to migration.c in kvm's qemu.
Oh yes, that falls under the save/restore TODO item.
Regards,
Anthony Liguori
WARNING: multiple messages have this Message-ID (diff)
From: Anthony Liguori <aliguori@us.ibm.com>
To: Avi Kivity <avi@redhat.com>
Cc: Glauber Costa <glommer@redhat.com>,
qemu-devel@nongnu.org, kvm-devel <kvm@vger.kernel.org>
Subject: [Qemu-devel] Re: [PATCH 3/3] Add KVM support to QEMU
Date: Tue, 04 Nov 2008 08:50:51 -0600 [thread overview]
Message-ID: <4910614B.1010602@us.ibm.com> (raw)
In-Reply-To: <4910602B.5060101@redhat.com>
Avi Kivity wrote:
> Anthony Liguori wrote:
>
>>> I think live migration is now broken, since kvm accesses will not
>>> update the qemu dirty bitmap.
>>
>> Eh? I don't follow you here.
>>
>
> guest writes in qemu set the qemu dirty bitmap (for
> cpu_physical_memory_get_dirty()), but guest accesses in kvm won't,
> unless you enable dirty tracking and synchronize kvm's bitmap to
> qemu's. See the changes to migration.c in kvm's qemu.
Oh yes, that falls under the save/restore TODO item.
Regards,
Anthony Liguori
next prev parent reply other threads:[~2008-11-04 14:51 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-28 20:13 [PATCH 1/3] Add additional CPU flag definitions Anthony Liguori
2008-10-28 20:13 ` [Qemu-devel] " Anthony Liguori
2008-10-28 20:13 ` [PATCH 2/3] Split CPUID from op_helper Anthony Liguori
2008-10-28 20:13 ` [Qemu-devel] " Anthony Liguori
2008-10-28 20:13 ` [PATCH 3/3] Add KVM support to QEMU Anthony Liguori
2008-10-28 20:13 ` [Qemu-devel] " Anthony Liguori
2008-10-28 20:49 ` Hollis Blanchard
2008-10-28 20:49 ` Hollis Blanchard
2008-10-28 20:49 ` Hollis Blanchard
[not found] ` <fb412d760810281349q2572acf0j4a3f5eff9e8a55a4-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-10-28 21:10 ` Anthony Liguori
2008-10-28 21:10 ` Anthony Liguori
2008-10-28 21:10 ` Anthony Liguori
2008-10-28 20:57 ` Andreas Färber
2008-10-28 21:04 ` Glauber Costa
2008-10-28 21:16 ` Anthony Liguori
2008-10-28 21:05 ` Anthony Liguori
2008-11-04 13:25 ` Avi Kivity
2008-10-28 21:41 ` Gerd Hoffmann
2008-10-28 21:41 ` [Qemu-devel] " Gerd Hoffmann
2008-10-28 21:51 ` Anthony Liguori
2008-10-28 21:51 ` [Qemu-devel] " Anthony Liguori
2008-10-28 23:04 ` Glauber Costa
2008-10-28 23:04 ` Glauber Costa
2008-10-28 23:36 ` Anthony Liguori
2008-10-28 23:36 ` Anthony Liguori
2008-10-29 9:54 ` Avi Kivity
2008-10-29 9:54 ` Avi Kivity
2008-10-29 12:35 ` Glauber Costa
2008-10-29 12:35 ` Glauber Costa
2008-10-29 12:39 ` Avi Kivity
2008-10-29 12:39 ` Avi Kivity
2008-10-29 12:56 ` Glauber Costa
2008-10-29 12:56 ` Glauber Costa
2008-10-29 13:07 ` Anthony Liguori
2008-10-29 13:07 ` Anthony Liguori
2008-10-29 13:23 ` Avi Kivity
2008-10-29 13:23 ` Avi Kivity
2008-10-29 13:32 ` Anthony Liguori
2008-10-29 13:32 ` Anthony Liguori
2008-10-29 13:51 ` Hollis Blanchard
2008-10-29 14:09 ` Avi Kivity
2008-10-29 14:09 ` Avi Kivity
2008-10-29 14:16 ` Fabrice Bellard
2008-10-29 14:16 ` [Qemu-devel] " Fabrice Bellard
2008-10-29 14:23 ` Anthony Liguori
2008-10-29 19:13 ` Blue Swirl
2008-10-29 19:13 ` Blue Swirl
2008-11-01 16:25 ` Blue Swirl
2008-11-01 16:25 ` Blue Swirl
2008-10-29 14:58 ` Glauber Costa
2008-10-29 14:58 ` [Qemu-devel] " Glauber Costa
2008-10-29 17:41 ` Glauber Costa
2008-10-29 17:41 ` [Qemu-devel] " Glauber Costa
2008-10-29 19:01 ` Anthony Liguori
2008-10-29 19:01 ` [Qemu-devel] " Anthony Liguori
2008-11-04 13:24 ` Avi Kivity
2008-11-04 13:24 ` [Qemu-devel] " Avi Kivity
2008-11-04 14:02 ` Anthony Liguori
2008-11-04 14:02 ` [Qemu-devel] " Anthony Liguori
2008-11-04 14:46 ` Avi Kivity
2008-11-04 14:46 ` [Qemu-devel] " Avi Kivity
2008-11-04 14:50 ` Anthony Liguori [this message]
2008-11-04 14:50 ` Anthony Liguori
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