Re: [PATCH v13 4/5] migration: implementation of background snapshot thread

2021-01-29 Thread Andrey Gruzdev
On 28.01.2021 21:29, Dr. David Alan Gilbert wrote: * Andrey Gruzdev (andrey.gruz...@virtuozzo.com) wrote: Introducing implementation of 'background' snapshot thread which in overall follows the logic of precopy migration while internally utilizes completely different mechanism to 'freeze' vmstat

Re: [PATCH v13 4/5] migration: implementation of background snapshot thread

2021-01-28 Thread Dr. David Alan Gilbert
* Andrey Gruzdev (andrey.gruz...@virtuozzo.com) 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

[PATCH v13 4/5] migration: implementation of background snapshot thread

2021-01-21 Thread andrey . gruzdev--- via
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