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Re: [Qemu-devel] Re: Live migration protocol, device features, ABIs and
From: |
Michael S. Tsirkin |
Subject: |
Re: [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts |
Date: |
Tue, 24 Nov 2009 22:01:41 +0200 |
User-agent: |
Mutt/1.5.19 (2009-01-05) |
On Tue, Nov 24, 2009 at 01:29:09PM -0600, Anthony Liguori wrote:
> Paolo Bonzini wrote:
>> On 11/24/2009 07:51 PM, Anthony Liguori wrote:
>>>> to make the primary representation of state an XML document
>>
>> Since my brain is not working well today, I'll just point out that of
>> course I meant "the primary representation of _schemas_ an XML
>> document" or anything like that.
>>
>>>> or anything like that (and convert it back to VMState structs at build
>>>> time), it would not be a huge work, and it would give important
>>>> benefits.
>>>
>>> Like adding tremendous complexity for little to no gain.
>>
>> Anything that could result in a libqemustate or something like that
>> would be complex, but would have gain. (Yes, I've seen the smiley
>> despite aforementioned problems with the brain).
>
> Which would be...?
>
> "Increased flexibility" is not a quantifiable gain. If there's a
> particular feature we need to support, let's try to support the feature.
>
> There are bigger fish to fry with live migration than the protocol
> format. For instance, we need to do a fair bit of work to build an
> infrastructure that will let us test this stuff in a sane way so we can
> avoid introducing things like the pvclock regression.
BTW, I think that the ability to save in old format will
help in this respect: it makes it possible to do some unit
testing without having old qemu lying around.
--
MST
- [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts, (continued)
- [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts, Paul Brook, 2009/11/24
- [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts, Michael S. Tsirkin, 2009/11/24
- Re: [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts, Blue Swirl, 2009/11/24
- Re: [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts, Michael S. Tsirkin, 2009/11/24
- Re: [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts, Paolo Bonzini, 2009/11/24
- Re: [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts, Anthony Liguori, 2009/11/24
- Re: [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts, Blue Swirl, 2009/11/24
- Re: [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts, Anthony Liguori, 2009/11/24
- Re: [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts, Paolo Bonzini, 2009/11/24
- Re: [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts, Anthony Liguori, 2009/11/24
- Re: [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts,
Michael S. Tsirkin <=
- Message not available
- [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts, Paolo Bonzini, 2009/11/24
[Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts, Michael S. Tsirkin, 2009/11/24
[Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts, Juan Quintela, 2009/11/23
- Re: [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts, Anthony Liguori, 2009/11/23
- [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts, Juan Quintela, 2009/11/23
- [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts, Michael S. Tsirkin, 2009/11/24
- [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts, Juan Quintela, 2009/11/24
- [Qemu-devel] Re: Live migration protocol, device features, ABIs and other beasts, Michael S. Tsirkin, 2009/11/24