diff mbox series

[V9,23/46] cpr: add exec-mode blockers

Message ID 1658851843-236870-24-git-send-email-steven.sistare@oracle.com
State New
Headers show
Series Live Update | expand

Commit Message

Steve Sistare July 26, 2022, 4:10 p.m. UTC 
Add blockers for cpr-exec migration mode for devices and options that do
not support it.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
---
 accel/xen/xen-all.c   | 3 +++
 migration/migration.c | 5 +++++
 replay/replay.c       | 4 ++++
 3 files changed, 12 insertions(+)
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Patch

diff --git a/accel/xen/xen-all.c b/accel/xen/xen-all.c
index 69aa7d0..2896044 100644
--- a/accel/xen/xen-all.c
+++ b/accel/xen/xen-all.c
@@ -181,6 +181,9 @@  static int xen_init(MachineState *ms)
      * opt out of system RAM being allocated by generic code
      */
     mc->default_ram_id = NULL;
+
+    migrate_add_blocker_always("xen does not support cpr exec",
+                               &error_fatal, MIG_MODE_CPR_EXEC, -1);
     return 0;
 }
 
diff --git a/migration/migration.c b/migration/migration.c
index 1a8a6ff..7b46213 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1348,6 +1348,11 @@  static bool migrate_caps_check(bool *cap_list,
         }
     }
 
+    if (cap_list[MIGRATION_CAPABILITY_X_COLO]) {
+        return migrate_add_blocker_always("x-colo is not compatible with cpr",
+                                          errp, MIG_MODE_CPR_EXEC, -1);
+    }
+
     return true;
 }
 
diff --git a/replay/replay.c b/replay/replay.c
index 4c396bb..b0194dd 100644
--- a/replay/replay.c
+++ b/replay/replay.c
@@ -19,6 +19,7 @@ 
 #include "qemu/option.h"
 #include "sysemu/cpus.h"
 #include "qemu/error-report.h"
+#include "migration/blocker.h"
 
 /* Current version of the replay mechanism.
    Increase it when file format changes. */
@@ -232,6 +233,9 @@  static void replay_enable(const char *fname, int mode)
     const char *fmode = NULL;
     assert(!replay_file);
 
+    migrate_add_blocker_always("replay is not compatible with cpr",
+                                &error_fatal, MIG_MODE_CPR_EXEC, -1);
+
     switch (mode) {
     case REPLAY_MODE_RECORD:
         fmode = "wb";