[Date Prev] | [Thread Prev] | [Thread Next] | [Date Next] -- [Date Index] | [Thread Index] | [List Home]
Subject: Re: [virtio-comment] [PATCH v3 2/3] content: Document balloon feature page poison
On Tue, 26 May 2020 17:28:00 +0200 David Hildenbrand <david@redhat.com> wrote: > On 26.05.20 16:50, Alexander Duyck wrote: > > On Tue, May 26, 2020 at 1:24 AM David Hildenbrand <david@redhat.com> wrote: > >> Still wondering what to do with free page hinting ... in the meantime > >> I'll have a look at free page reporting :) > > > > The problem is it is already out there so I worry we wouldn't ever be > > able to get rid of it. At most we could deprecate it, but we are still > > stuck with it consuming bit resources and such. > > Yeah, that's not an issue, they will simply turn to dead bits with > minimal documentation. I just don't see us fixing/supporting that > feature, really. Let's see what @MST things when he has time to look > into this. > If free page hinting is broken enough that we don't want anybody to try implementing it, we maybe could: - reserve the feature bit, - say that the device SHOULD NOT offer it, - say that the driver SHOULD NOT accept it? Would avoid conflicts, and tell implementors that they should not bother. (We can then proceed to start deprecating the Linux/QEMU implementations.)
[Date Prev] | [Thread Prev] | [Thread Next] | [Date Next] -- [Date Index] | [Thread Index] | [List Home]