Re: [PATCH v11 4/5] migration: implementation of background snapshot thread

2021-01-21 Thread Andrey Gruzdev
On 21.01.2021 20:48, Dr. David Alan Gilbert wrote: * Andrey Gruzdev (andrey.gruz...@virtuozzo.com) wrote: On 21.01.2021 19:11, Dr. David Alan Gilbert wrote: * Andrey Gruzdev (andrey.gruz...@virtuozzo.com) wrote: On 21.01.2021 12:56, Dr. David Alan Gilbert wrote: * Andrey Gruzdev (andrey.gruz.

Re: [PATCH v11 4/5] migration: implementation of background snapshot thread

2021-01-21 Thread Dr. David Alan Gilbert
* Andrey Gruzdev (andrey.gruz...@virtuozzo.com) wrote: > On 21.01.2021 19:11, Dr. David Alan Gilbert wrote: > > * Andrey Gruzdev (andrey.gruz...@virtuozzo.com) wrote: > > > On 21.01.2021 12:56, Dr. David Alan Gilbert wrote: > > > > * Andrey Gruzdev (andrey.gruz...@virtuozzo.com) wrote: > > > > > On

Re: [PATCH v11 4/5] migration: implementation of background snapshot thread

2021-01-21 Thread Andrey Gruzdev
On 21.01.2021 19:11, Dr. David Alan Gilbert wrote: * Andrey Gruzdev (andrey.gruz...@virtuozzo.com) wrote: On 21.01.2021 12:56, Dr. David Alan Gilbert wrote: * Andrey Gruzdev (andrey.gruz...@virtuozzo.com) wrote: On 19.01.2021 21:49, Dr. David Alan Gilbert wrote: * Andrey Gruzdev (andrey.gruz.

Re: [PATCH v11 4/5] migration: implementation of background snapshot thread

2021-01-21 Thread Dr. David Alan Gilbert
* Andrey Gruzdev (andrey.gruz...@virtuozzo.com) wrote: > On 21.01.2021 12:56, Dr. David Alan Gilbert wrote: > > * Andrey Gruzdev (andrey.gruz...@virtuozzo.com) wrote: > > > On 19.01.2021 21:49, Dr. David Alan Gilbert wrote: > > > > * Andrey Gruzdev (andrey.gruz...@virtuozzo.com) wrote: > > > > > In

Re: [PATCH v11 4/5] migration: implementation of background snapshot thread

2021-01-21 Thread Andrey Gruzdev
On 21.01.2021 12:56, Dr. David Alan Gilbert wrote: * Andrey Gruzdev (andrey.gruz...@virtuozzo.com) wrote: On 19.01.2021 21:49, Dr. David Alan Gilbert wrote: * Andrey Gruzdev (andrey.gruz...@virtuozzo.com) wrote: Introducing implementation of 'background' snapshot thread which in overall follow

Re: [PATCH v11 4/5] migration: implementation of background snapshot thread

2021-01-21 Thread Dr. David Alan Gilbert
* Andrey Gruzdev (andrey.gruz...@virtuozzo.com) wrote: > On 19.01.2021 21:49, 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 > > >

Re: [PATCH v11 4/5] migration: implementation of background snapshot thread

2021-01-21 Thread Andrey Gruzdev
On 19.01.2021 21:49, 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 v11 4/5] migration: implementation of background snapshot thread

2021-01-19 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 v11 4/5] migration: implementation of background snapshot thread

2021-01-06 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