Re: qemu-kvm.git now live

[Jan Kiszka <jan.kiszka@siemens.com>]

Avi Kivity wrote:
> Jan Kiszka wrote:
>>> I'm unhappy with both qemu.git and qemu-kvm.git memory slot management;
>>> qemu-kvm.git is clumsy, and qemu.git is too simplistic (for example, it
>>> ignores the fact that dirty logging is a global resource with multiple
>>> users).
>>>     
>>
>> Don't get your point yet. Can you name a concrete scenario that is
>> problematic in upstream? I'd really like to get slot management right
>> there before we drop the old version of qemu-kvm.
>>   
> 
> If migration disables dirty memory logging, it must keep the vga logging
> enabled, and vice versa.

So we need some notifier callbacks on slot changes so that all users can
re-enable dirty logging after the update as required. Where/how does the
migration code disable dirty logging?

Jan

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