Re: [Qemu-devel] [PATCH v3 3/3] migration: use the free page hint feature from balloon

2018-03-07 Thread Wei Wang
On 03/07/2018 08:32 PM, Dr. David Alan Gilbert wrote: * Wei Wang (wei.w.w...@intel.com) wrote: Start the free page optimization when the bulk stage starts. In case the guest is slow in reporting, actively stops it when the bulk stage ends. The optimization avoids sending guest free pages during

Re: [Qemu-devel] [PATCH v3 3/3] migration: use the free page hint feature from balloon

2018-03-07 Thread Dr. David Alan Gilbert
* Wei Wang (wei.w.w...@intel.com) wrote: > Start the free page optimization when the bulk stage starts. In case the > guest is slow in reporting, actively stops it when the bulk stage ends. > The optimization avoids sending guest free pages during the bulk stage. > Currently, the optimization is

[Qemu-devel] [PATCH v3 3/3] migration: use the free page hint feature from balloon

2018-03-02 Thread Wei Wang
Start the free page optimization when the bulk stage starts. In case the guest is slow in reporting, actively stops it when the bulk stage ends. The optimization avoids sending guest free pages during the bulk stage. Currently, the optimization is added to precopy only. Signed-off-by: Wei Wang