Messages in this thread | | | From | David Hildenbrand <> | Subject | Re: [PATCH v16.1 6/9] virtio-balloon: Add support for providing free page reports to host | Date | Tue, 11 Feb 2020 18:04:28 +0100 |
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> Am 11.02.2020 um 17:33 schrieb Alexander Duyck <alexander.h.duyck@linux.intel.com>: > > On Tue, 2020-02-11 at 16:13 +0100, David Hildenbrand wrote: >>>> 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). >> > > Okay, so before I post v17 am I leaving the virtio-balloon changes as they > were then?
I‘d say yes :)
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