can you detect its presence at runtime ? from a slight look to patches yes, it will be possible using monitor "info ballon" command which will print either "Ballooning not activated in VM" or "balloon: actual=%d", so I guess
Hi Daniel, thanks for reply. Well, it seems that I'm a bit ahead of time here, the balloning support didn't even make it to QEMU trunk... So there is not big hurry with it :) To answer Your questions: this should be sufficient.
I doubt anybody would object code adding the feature, the problem is getting the code and something that fail/work reliably depending on the vailability of the driver. Seems like this should not be that complex. I'll give ballooning patches a try and if it works well, I'll try to prepare some libvirt patches. I'll let You know about progress OK?
Daniel regards nik
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