Re: [PATCH v4 11/34] migration/ram: Introduce 'fixed-ram' migration capability

2024-02-25 Thread Peter Xu
On Tue, Feb 20, 2024 at 07:41:15PM -0300, Fabiano Rosas wrote: > + Without fixed-ram: With fixed-ram: > + > + - > + | ramblock 1 header | | ramblock 1 header| > + -

Re: [PATCH v4 11/34] migration/ram: Introduce 'fixed-ram' migration capability

2024-02-25 Thread Peter Xu
On Tue, Feb 20, 2024 at 07:41:15PM -0300, Fabiano Rosas wrote: > Add a new migration capability 'fixed-ram'. > > The core of the feature is to ensure that each RAM page has a specific > offset in the resulting migration stream. The reasons why we'd want > such behavior are: > > - The resulting

Re: [PATCH v4 11/34] migration/ram: Introduce 'fixed-ram' migration capability

2024-02-21 Thread Markus Armbruster
Fabiano Rosas writes: > Add a new migration capability 'fixed-ram'. > > The core of the feature is to ensure that each RAM page has a specific > offset in the resulting migration stream. The reasons why we'd want > such behavior are: > > - The resulting file will have a bounded size, since

Re: [PATCH v4 11/34] migration/ram: Introduce 'fixed-ram' migration capability

2024-02-21 Thread Fabiano Rosas
Daniel P. Berrangé writes: > On Wed, Feb 21, 2024 at 10:24:05AM -0300, Fabiano Rosas wrote: >> Markus Armbruster writes: >> >> > Fabiano Rosas writes: >> > >> >> Add a new migration capability 'fixed-ram'. >> >> >> >> The core of the feature is to ensure that each RAM page has a specific >>

Re: [PATCH v4 11/34] migration/ram: Introduce 'fixed-ram' migration capability

2024-02-21 Thread Daniel P . Berrangé
On Wed, Feb 21, 2024 at 10:24:05AM -0300, Fabiano Rosas wrote: > Markus Armbruster writes: > > > Fabiano Rosas writes: > > > >> Add a new migration capability 'fixed-ram'. > >> > >> The core of the feature is to ensure that each RAM page has a specific > >> offset in the resulting migration

Re: [PATCH v4 11/34] migration/ram: Introduce 'fixed-ram' migration capability

2024-02-21 Thread Fabiano Rosas
Markus Armbruster writes: > Fabiano Rosas writes: > >> Add a new migration capability 'fixed-ram'. >> >> The core of the feature is to ensure that each RAM page has a specific >> offset in the resulting migration stream. The reasons why we'd want >> such behavior are: >> >> - The resulting

[PATCH v4 11/34] migration/ram: Introduce 'fixed-ram' migration capability

2024-02-20 Thread Fabiano Rosas
Add a new migration capability 'fixed-ram'. The core of the feature is to ensure that each RAM page has a specific offset in the resulting migration stream. The reasons why we'd want such behavior are: - The resulting file will have a bounded size, since pages which are dirtied multiple