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[Qemu-devel] [PATCH] migration: Introduce migration_in_completion()
From: |
Pavel Fedin |
Subject: |
[Qemu-devel] [PATCH] migration: Introduce migration_in_completion() |
Date: |
Tue, 27 Oct 2015 14:01:15 +0300 |
This allows to signal migration notifiers that the migration has entered
final phase. The condition is set after vm_stop_force_state().
This will be necessary for ITS live migration on ARM, which will have to
dump its state into guest RAM at this point.
Signed-off-by: Pavel Fedin <address@hidden>
---
include/migration/migration.h | 2 ++
migration/migration.c | 7 +++++++
2 files changed, 9 insertions(+)
diff --git a/include/migration/migration.h b/include/migration/migration.h
index 8334621..51b0ea2 100644
--- a/include/migration/migration.h
+++ b/include/migration/migration.h
@@ -69,6 +69,7 @@ struct MigrationState
int parameters[MIGRATION_PARAMETER_MAX];
int state;
+ bool in_completion;
MigrationParams params;
double mbps;
int64_t total_time;
@@ -117,6 +118,7 @@ int migrate_fd_close(MigrationState *s);
void add_migration_state_change_notifier(Notifier *notify);
void remove_migration_state_change_notifier(Notifier *notify);
bool migration_in_setup(MigrationState *);
+bool migration_in_completion(MigrationState *);
bool migration_has_finished(MigrationState *);
bool migration_has_failed(MigrationState *);
MigrationState *migrate_get_current(void);
diff --git a/migration/migration.c b/migration/migration.c
index b092f38..f4a2421 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -674,6 +674,11 @@ bool migration_in_setup(MigrationState *s)
return s->state == MIGRATION_STATUS_SETUP;
}
+bool migration_in_completion(MigrationState *s)
+{
+ return s->in_completion;
+}
+
bool migration_has_finished(MigrationState *s)
{
return s->state == MIGRATION_STATUS_COMPLETED;
@@ -996,6 +1001,8 @@ static void migration_completion(MigrationState *s, bool
*old_vm_running,
if (!ret) {
ret = vm_stop_force_state(RUN_STATE_FINISH_MIGRATE);
if (ret >= 0) {
+ s->in_completion = true;
+ notifier_list_notify(&migration_state_notifiers, s);
qemu_file_set_rate_limit(s->file, INT64_MAX);
qemu_savevm_state_complete(s->file);
}
--
1.9.5.msysgit.0
- [Qemu-devel] [PATCH] migration: Introduce migration_in_completion(),
Pavel Fedin <=
- Re: [Qemu-devel] [PATCH] migration: Introduce migration_in_completion(), Juan Quintela, 2015/10/27
- Re: [Qemu-devel] [PATCH] migration: Introduce migration_in_completion(), Pavel Fedin, 2015/10/27
- Re: [Qemu-devel] [PATCH] migration: Introduce migration_in_completion(), Juan Quintela, 2015/10/28
- Re: [Qemu-devel] [PATCH] migration: Introduce migration_in_completion(), Pavel Fedin, 2015/10/28
- Re: [Qemu-devel] [PATCH] migration: Introduce migration_in_completion(), Pavel Fedin, 2015/10/28
- Re: [Qemu-devel] [PATCH] migration: Introduce migration_in_completion(), Juan Quintela, 2015/10/29
- Re: [Qemu-devel] [PATCH] migration: Introduce migration_in_completion(), Pavel Fedin, 2015/10/29
- Re: [Qemu-devel] [PATCH] migration: Introduce migration_in_completion(), Juan Quintela, 2015/10/29