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| author | Juan Quintela <quintela@redhat.com> | 2014-10-08 10:58:10 +0200 |
|---|---|---|
| committer | Juan Quintela <quintela@redhat.com> | 2015-07-07 14:54:51 +0200 |
| commit | df4b1024526cae3479da3492d6371fd4a7324a03 (patch) | |
| tree | 33e8d1dcc68938b281264a62bffc9775151d0102 /include/migration | |
| parent | ca3fc39ea9045188e37b84c4f92ee79c7ed4b1c3 (diff) | |
| download | hqemu-df4b1024526cae3479da3492d6371fd4a7324a03.zip hqemu-df4b1024526cae3479da3492d6371fd4a7324a03.tar.gz | |
migration: create new section to store global state
This includes a new section that for now just stores the current qemu state.
Right now, there are only one way to control what is the state of the
target after migration.
- If you run the target qemu with -S, it would start stopped.
- If you run the target qemu without -S, it would run just after migration finishes.
The problem here is what happens if we start the target without -S and
there happens one error during migration that puts current state as
-EIO. Migration would ends (notice that the error happend doing block
IO, network IO, i.e. nothing related with migration), and when
migration finish, we would just "continue" running on destination,
probably hanging the guest/corruption data, whatever.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'include/migration')
| -rw-r--r-- | include/migration/migration.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/migration/migration.h b/include/migration/migration.h index afba233..86df6cc 100644 --- a/include/migration/migration.h +++ b/include/migration/migration.h @@ -197,4 +197,5 @@ size_t ram_control_save_page(QEMUFile *f, ram_addr_t block_offset, void ram_mig_init(void); void savevm_skip_section_footers(void); +void register_global_state(void); #endif |
