[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [PATCH v12 04/21] migration: Be sure all recv channels are
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH v12 04/21] migration: Be sure all recv channels are created |
Date: |
Wed, 25 Apr 2018 13:27:06 +0200 |
We need them before we start migration.
Signed-off-by: Juan Quintela <address@hidden>
Reviewed-by: Daniel P. Berrangé <address@hidden>
---
migration/migration.c | 6 +++++-
migration/ram.c | 11 +++++++++++
migration/ram.h | 1 +
3 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/migration/migration.c b/migration/migration.c
index 604722cec9..98f85e982c 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -479,7 +479,11 @@ void migration_ioc_process_incoming(QIOChannel *ioc)
*/
bool migration_has_all_channels(void)
{
- return true;
+ bool all_channels;
+
+ all_channels = multifd_recv_all_channels_created();
+
+ return all_channels;
}
/*
diff --git a/migration/ram.c b/migration/ram.c
index c0ad6d8e9f..3a01472835 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -636,6 +636,17 @@ int multifd_load_setup(void)
return 0;
}
+bool multifd_recv_all_channels_created(void)
+{
+ int thread_count = migrate_multifd_channels();
+
+ if (!migrate_use_multifd()) {
+ return true;
+ }
+
+ return thread_count == atomic_read(&multifd_recv_state->count);
+}
+
void multifd_recv_new_channel(QIOChannel *ioc)
{
/* nothing to do yet */
diff --git a/migration/ram.h b/migration/ram.h
index 06dbddc2a2..3f4b7daee8 100644
--- a/migration/ram.h
+++ b/migration/ram.h
@@ -45,6 +45,7 @@ int multifd_save_setup(void);
int multifd_save_cleanup(Error **errp);
int multifd_load_setup(void);
int multifd_load_cleanup(Error **errp);
+bool multifd_recv_all_channels_created(void);
void multifd_recv_new_channel(QIOChannel *ioc);
uint64_t ram_pagesize_summary(void);
--
2.17.0
- [Qemu-devel] [PATCH v12 00/21] Multifd, Juan Quintela, 2018/04/25
- [Qemu-devel] [PATCH v12 01/21] migration: Set error state in case of error, Juan Quintela, 2018/04/25
- [Qemu-devel] [PATCH v12 02/21] migration: Introduce multifd_recv_new_channel(), Juan Quintela, 2018/04/25
- [Qemu-devel] [PATCH v12 03/21] migration: terminate_* can be called for other threads, Juan Quintela, 2018/04/25
- [Qemu-devel] [PATCH v12 05/21] migration: Export functions to create send channels, Juan Quintela, 2018/04/25
- [Qemu-devel] [PATCH v12 04/21] migration: Be sure all recv channels are created,
Juan Quintela <=
- [Qemu-devel] [PATCH v12 06/21] migration: Create multifd channels, Juan Quintela, 2018/04/25
- [Qemu-devel] [PATCH v12 07/21] migration: Delay start of migration main routines, Juan Quintela, 2018/04/25
- [Qemu-devel] [PATCH v12 08/21] migration: Transmit initial package through the multifd channels, Juan Quintela, 2018/04/25
- [Qemu-devel] [PATCH v12 09/21] migration: Define MultifdRecvParams sooner, Juan Quintela, 2018/04/25
- [Qemu-devel] [PATCH v12 10/21] migration: Create multipage support, Juan Quintela, 2018/04/25
- [Qemu-devel] [PATCH v12 11/21] migration: Create multifd packet, Juan Quintela, 2018/04/25
- [Qemu-devel] [PATCH v12 12/21] migration: Add multifd traces for start/end thread, Juan Quintela, 2018/04/25
- [Qemu-devel] [PATCH v12 13/21] migration: Calculate transferred ram correctly, Juan Quintela, 2018/04/25
- [Qemu-devel] [PATCH v12 14/21] migration: Multifd channels always wait on the sem, Juan Quintela, 2018/04/25