[0/2] Implement dirty ring for pre-copy migration

Message

Shota Imamura June 20, 2024, 9:47 a.m. UTC

This patch series introduces the dirty ring as an additional method for
dirty tracking, alongside the existing dirty bitmap.

Shota Imamura (2):
  migration: Implement dirty ring
  qtest/migration: Add dirty ring tests

 accel/kvm/kvm-all.c            |  36 ++++++++-
 include/exec/ram_addr.h        | 131 +++++++++++++++++++++++++++++++--
 include/exec/ramlist.h         |  48 ++++++++++++
 include/migration/misc.h       |   4 +-
 include/qemu/bitops.h          |  23 ++++++
 migration/migration-hmp-cmds.c |   2 +
 migration/migration.c          |  27 ++++++-
 migration/migration.h          |   6 ++
 migration/ram.c                | 127 ++++++++++++++++++++++++++++----
 qemu-options.hx                |  29 ++++++++
 system/physmem.c               | 128 +++++++++++++++++++++++++++++++-
 system/vl.c                    |  63 +++++++++++++++-
 tests/qtest/migration-test.c   |  78 ++++++++++++++++++--
 13 files changed, 667 insertions(+), 35 deletions(-)