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Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots
From: |
Peter Xu |
Subject: |
Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots |
Date: |
Fri, 19 Feb 2021 17:47:19 -0500 |
On Fri, Feb 19, 2021 at 10:20:42PM +0100, David Hildenbrand wrote:
> > A shiver just went down my spine. Please don‘t just for the sake of
> > creating a snapshot.
> >
> > (Just imagine you don‘t have a shared zeropage...)
>
> ... and I just remembered we read all memory either way. Gah.
>
> I have some patches to make snapshots fly with virtio-mem so exactly that
> won‘t happen. But they depend on vfio support, so it might take a while.
Sorry I can't really follow.
It'll be great if virtio-mem won't have similar problem with live snapshot
finally. Is that idea applicable to balloon too, then?
--
Peter Xu
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, (continued)
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, Andrey Gruzdev, 2021/02/13
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, David Hildenbrand, 2021/02/13
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, Peter Xu, 2021/02/16
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, David Hildenbrand, 2021/02/17
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, Andrey Gruzdev, 2021/02/19
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, David Hildenbrand, 2021/02/19
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, Peter Xu, 2021/02/19
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, Peter Xu, 2021/02/19
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, David Hildenbrand, 2021/02/19
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, David Hildenbrand, 2021/02/19
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots,
Peter Xu <=
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, David Hildenbrand, 2021/02/20
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, Peter Xu, 2021/02/22
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, David Hildenbrand, 2021/02/22
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, Peter Xu, 2021/02/22
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, David Hildenbrand, 2021/02/22
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, Andrey Gruzdev, 2021/02/24
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, David Hildenbrand, 2021/02/24
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, Andrey Gruzdev, 2021/02/24
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, Andrey Gruzdev, 2021/02/24
- Re: [PATCH v13 0/5] UFFD write-tracking migration/snapshots, David Hildenbrand, 2021/02/24