Fix crashes on early shutdown during bitmaps postcopy

[PATCH 0/7] Fix crashes on early shutdown during bitmaps postcopy

Vladimir Sementsov-Ogievskiy posted 7 patches 4 years, 3 months ago

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git fetch https://github.com/patchew-project/qemu tags/patchew/20200122132328.31156-1-vsementsov@virtuozzo.com

Maintainers: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>, Juan Quintela <quintela@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, Max Reitz <mreitz@redhat.com>, "Dr. David Alan Gilbert" <dgilbert@redhat.com>, John Snow <jsnow@redhat.com>, Fam Zheng <fam@euphon.net>, Kevin Wolf <kwolf@redhat.com>

migration/migration.h          |   1 +
migration/block-dirty-bitmap.c | 171 +++++++++++++++++++++------------
migration/migration.c          |   7 ++
migration/savevm.c             |  19 ++--
tests/qemu-iotests/199         |  12 ++-
tests/qemu-iotests/199.out     |   4 +-
6 files changed, 142 insertions(+), 72 deletions(-)

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[PATCH 0/7] Fix crashes on early shutdown during bitmaps postcopy

Posted by Vladimir Sementsov-Ogievskiy 4 years, 3 months ago

Hi all!

Patches 5 and 6 fixes two crashes, triggered by new test case in patch
7.

Vladimir Sementsov-Ogievskiy (7):
  migration/block-dirty-bitmap: refactor incoming state to be one struct
  migration/block-dirty-bitmap: rename finish_lock to just lock
  migration/block-dirty-bitmap: simplify dirty_bitmap_load_complete
  migration/block-dirty-bitmap: keep bitmap state for all bitmaps
  migration/block-dirty-bitmap: cancel migration on shutdown
  migration: handle to_src_file on target only for ram postcopy
  qemu-iotests/199: add early shutdown case to bitmaps postcopy

 migration/migration.h          |   1 +
 migration/block-dirty-bitmap.c | 171 +++++++++++++++++++++------------
 migration/migration.c          |   7 ++
 migration/savevm.c             |  19 ++--
 tests/qemu-iotests/199         |  12 ++-
 tests/qemu-iotests/199.out     |   4 +-
 6 files changed, 142 insertions(+), 72 deletions(-)

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2.21.0