Upstream multifd code synchronize all threads after each RAM section. This is suboptimal. Change it to only flush after we go trough all ram.
Preserve all semantics for old machine types. Juan Quintela (5): multifd: Create property multifd-sync-each-iteration multifd: Put around all sync calls tests for each iteration migration: Simplify ram_find_and_save_block() migration: Make find_dirty_block() return a single parameter multifd: Only sync once each full round of memory migration/migration.h | 6 ++++ hw/core/machine.c | 1 + migration/migration.c | 10 ++++++ migration/ram.c | 80 ++++++++++++++++++++++++++++--------------- 4 files changed, 70 insertions(+), 27 deletions(-) -- 2.34.1
