On Mon, Jan 08, 2024 at 18:06:41 +0100, Jiri Denemark wrote: > During post-copy migration (once it actually switches to post-copy mode) > dirty memory pages are continued to be migrated iteratively, while the > destination can explicitly request a specific page to be migrated before > the iterative process gets to it (which happens when a guest wants to > read a page that was not migrated yet). Without the postcopy-preempt > capability enabled such pages need to wait until all other pages already > queued are transferred. Enabling this capability will instruct the > hypervisor to create a separate migration channel for explicitly > requested pages so that they can preempt the queue. You should state more explicitly that this requires the change in connection method from MIGRATION_DEST_CONNECT_SOCKET to MIGRATION_DEST_SOCKET > > This is enabled for all post-copy migration as long as the capability is > supported on both sides of migration. > > Signed-off-by: Jiri Denemark <jdenemar@xxxxxxxxxx> > --- > src/qemu/qemu_migration.c | 11 +++++++---- > src/qemu/qemu_migration_params.c | 2 ++ > src/qemu/qemu_migration_params.h | 1 + > 3 files changed, 10 insertions(+), 4 deletions(-) [...] Reviewed-by: Peter Krempa <pkrempa@xxxxxxxxxx> _______________________________________________ Devel mailing list -- devel@xxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxx
