diff options
| author | Wei Wang <wei.w.wang@intel.com> | 2018-12-11 16:24:49 +0800 |
|---|---|---|
| committer | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2019-03-06 10:49:18 +0000 |
| commit | 386a907b37a9321bc5d699bc37104d6ffba1b34d (patch) | |
| tree | b6e035c4fbb1140daba18fa2ad4a2c8316ce246e /qemu-ga.texi | |
| parent | 94960256ae0bc346de49e2ef3808778e8468caf5 (diff) | |
migration: use bitmap_mutex in migration_bitmap_clear_dirty
The bitmap mutex is used to synchronize threads to update the dirty
bitmap and the migration_dirty_pages counter. For example, the free
page optimization clears bits of free pages from the bitmap in an
iothread context. This patch makes migration_bitmap_clear_dirty update
the bitmap and counter under the mutex.
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
CC: Dr. David Alan Gilbert <dgilbert@redhat.com>
CC: Juan Quintela <quintela@redhat.com>
CC: Michael S. Tsirkin <mst@redhat.com>
CC: Peter Xu <peterx@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <1544516693-5395-4-git-send-email-wei.w.wang@intel.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'qemu-ga.texi')
0 files changed, 0 insertions, 0 deletions