Messages in this thread | | | Subject | Re: [PATCH v16.1 6/9] virtio-balloon: Add support for providing free page reports to host | From | David Hildenbrand <> | Date | Tue, 11 Feb 2020 16:13:46 +0100 |
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>> AFAIKs, the guest could inflate/deflate (esp. temporarily) and >> communicate via "actual" the actual balloon size as he sees it. > > OK so you want hinted but unused pages counted, and reported > in "actual"? That's a vmexit before each page use ...
No, not at all. I rather meant, that it is unclear how inflation/deflation requests and "actual" *could* interact. Especially if we would consider free page reporting as some way of inflation (+immediate deflation) triggered by the guest. IMHO, we would not touch "actual" in that case.
But as I said, I am totally fine with keeping it as is in this patch. IOW not glue free page reporting to inflation/deflation but let it act like something different with its own semantics (and document these properly).
-- Thanks,
David / dhildenb
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