Re: [PATCH v7 01/14] migration: Add postcopy-preempt capability

2022-06-21 Thread Juan Quintela
Peter Xu wrote: > Firstly, postcopy already preempts precopy due to the fact that we do > unqueue_page() first before looking into dirty bits. > > However that's not enough, e.g., when there're host huge page enabled, when > sending a precopy huge page, a postcopy request needs to wait until the w

[PATCH v7 01/14] migration: Add postcopy-preempt capability

2022-05-24 Thread Peter Xu
Firstly, postcopy already preempts precopy due to the fact that we do unqueue_page() first before looking into dirty bits. However that's not enough, e.g., when there're host huge page enabled, when sending a precopy huge page, a postcopy request needs to wait until the whole huge page that is sen