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Re: [Qemu-devel] Rethinking missed tick catchup
From: |
Anthony Liguori |
Subject: |
Re: [Qemu-devel] Rethinking missed tick catchup |
Date: |
Thu, 13 Sep 2012 13:27:40 -0500 |
User-agent: |
Notmuch/0.13.2+93~ged93d79 (http://notmuchmail.org) Emacs/23.3.1 (x86_64-pc-linux-gnu) |
Avi Kivity <address@hidden> writes:
> On 09/13/2012 06:50 PM, Anthony Liguori wrote:
>>>>
>>>>> This may not work for really old server oriented guests.
>>>>
>>>> S3 requires guest cooperation, period. But so does qemu-ga. It's
>>>> better than nothing, and we can't get perfection without guest cooperation.
>>>
>>> qemu-ga requires either an admin/tool to install qemu-ga, or for qemu-ga
>>> to be preinstalled by the OS vendor. S3 requires S3 support to be
>>> provided by the host vendor, and for it to be functional. A
>>> significantly easier bar to clear.
>>
>> We can easily generate an ISO that includes a pre-built version of
>> qemu-ga.
>
> We could easily generate water, but we can't make the horse drink it.
>
>>
>> Plus, there's a whole variety of other features enabled once we can
>> assume qemu-ga is available. It's worth solving that problem.
>
> We can't assume it. Too many OSes exist, too many guests are already
> exist and ain't broken, too many vendors are moving into a locked-down
> model. I agree it's great and we should take advantage of it, but we
> can't assume it's there.
All the same can be said about virtio yet we still add features that
depend on it.
If there was a better/equivalent solution that didn't depend on qemu-ga,
I'd be all for it. But there isn't AFAICT.
Regards,
Anthony Liguori
>
> --
> error compiling committee.c: too many arguments to function
- Re: [Qemu-devel] Rethinking missed tick catchup, (continued)
- Re: [Qemu-devel] Rethinking missed tick catchup, Gleb Natapov, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Eric Blake, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Daniel P. Berrange, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Anthony Liguori, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Gleb Natapov, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Avi Kivity, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Eric Blake, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Avi Kivity, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Anthony Liguori, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Avi Kivity, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup,
Anthony Liguori <=
- Re: [Qemu-devel] Rethinking missed tick catchup, Avi Kivity, 2012/09/16
- Re: [Qemu-devel] Rethinking missed tick catchup, Anthony Liguori, 2012/09/16
- Re: [Qemu-devel] Rethinking missed tick catchup, Avi Kivity, 2012/09/19
- Re: [Qemu-devel] Rethinking missed tick catchup, Gleb Natapov, 2012/09/19
- Re: [Qemu-devel] Rethinking missed tick catchup, Avi Kivity, 2012/09/19
- Re: [Qemu-devel] Rethinking missed tick catchup, Gleb Natapov, 2012/09/19
- Re: [Qemu-devel] Rethinking missed tick catchup, Avi Kivity, 2012/09/19
- Re: [Qemu-devel] Rethinking missed tick catchup, Anthony Liguori, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Gleb Natapov, 2012/09/13
- Re: [Qemu-devel] Rethinking missed tick catchup, Avi Kivity, 2012/09/13