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migration/migration.c: Add COLO dependency checks 

Current COLO mode(independent disk mode) need replication module work
together. Suggested by Dr. David Alan Gilbert <dgilbert@redhat.com>.

Signed-off-by: Zhang Chen <chen.zhang@intel.com>
Message-Id: <20181114190912.7242-1-chen.zhang@intel.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Zhang Chen 2018-11-15 03:09:12 +08:00 committed by Dr. David Alan Gilbert
parent 3ebb9c4f52
commit 7e934f5b27
1 changed files with 9 additions and 0 deletions
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9
migration/migration.c
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@ -918,6 +918,15 @@ static bool migrate_caps_check(bool *cap_list,
}
#endif
#ifndef CONFIG_REPLICATION
if (cap_list[MIGRATION_CAPABILITY_X_COLO]) {
error_setg(errp, "QEMU compiled without replication module"
" can't enable COLO");
error_append_hint(errp, "Please enable replication before COLO.\n");
return false;
}
#endif
if (cap_list[MIGRATION_CAPABILITY_POSTCOPY_RAM]) {
if (cap_list[MIGRATION_CAPABILITY_COMPRESS]) {
/* The decompression threads asynchronously write into RAM