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Re: [PATCH v5 4/4] migration: implementation of background snapshot thre
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From: |
Peter Xu |
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Subject: |
Re: [PATCH v5 4/4] migration: implementation of background snapshot thread |
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Date: |
Tue, 8 Dec 2020 13:16:00 -0500 |
On Fri, Dec 04, 2020 at 12:31:03PM +0300, Andrey Gruzdev wrote:
> Introducing implementation of 'background' snapshot thread
> which in overall follows the logic of precopy migration
> while internally utilizes completely different mechanism
> to 'freeze' vmstate at the start of snapshot creation.
>
> This mechanism is based on userfault_fd with wr-protection
> support and is Linux-specific.
>
> Signed-off-by: Andrey Gruzdev <andrey.gruzdev@virtuozzo.com>
Acked-by: Peter Xu <peterx@redhat.com>
--
Peter Xu
- [PATCH v5 0/4] migration: UFFD write-tracking migration/snapshots, Andrey Gruzdev, 2020/12/04
- [PATCH v5 3/4] migration: support UFFD write fault processing in ram_save_iterate(), Andrey Gruzdev, 2020/12/04
- [PATCH v5 4/4] migration: implementation of background snapshot thread, Andrey Gruzdev, 2020/12/04
- Re: [PATCH v5 4/4] migration: implementation of background snapshot thread,
Peter Xu <=
- [PATCH v5 2/4] migration: introduce UFFD-WP low-level interface helpers, Andrey Gruzdev, 2020/12/04
- [PATCH v5 1/4] migration: introduce 'background-snapshot' migration capability, Andrey Gruzdev, 2020/12/04
- Re: [PATCH v5 0/4] migration: UFFD write-tracking migration/snapshots, Peter Xu, 2020/12/08