From: zhanghailiang <zhang.zhanghailiang@huawei.com>
To: qemu-devel@nongnu.org
Cc: xiecl.fnst@cn.fujitsu.com, lizhijian@cn.fujitsu.com,
quintela@redhat.com, yunhong.jiang@intel.com,
eddie.dong@intel.com, peter.huangpeng@huawei.com,
dgilbert@redhat.com,
zhanghailiang <zhang.zhanghailiang@huawei.com>,
arei.gonglei@huawei.com, stefanha@redhat.com,
amit.shah@redhat.com, zhangchen.fnst@cn.fujitsu.com,
hongyang.yang@easystack.cn
Subject: [Qemu-devel] [PATCH COLO-Frame v13 09/39] COLO/migration: Create a new communication path from destination to source
Date: Tue, 29 Dec 2015 15:09:05 +0800 [thread overview]
Message-ID: <1451372975-5048-10-git-send-email-zhang.zhanghailiang@huawei.com> (raw)
In-Reply-To: <1451372975-5048-1-git-send-email-zhang.zhanghailiang@huawei.com>
This new communication path will be used for returning messages
from destination to source.
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
---
v13:
- Remove useless error report
v12:
- Add Reviewed-by tag
v11:
- Rebase master to use qemu_file_get_return_path() for opening return path
v10:
- fix the the error log (Dave's suggestion).
---
migration/colo.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/migration/colo.c b/migration/colo.c
index 6880aa0..65ac0c9 100644
--- a/migration/colo.c
+++ b/migration/colo.c
@@ -36,6 +36,12 @@ bool migration_incoming_in_colo_state(void)
static void colo_process_checkpoint(MigrationState *s)
{
+ s->rp_state.from_dst_file = qemu_file_get_return_path(s->to_dst_file);
+ if (!s->rp_state.from_dst_file) {
+ error_report("Open QEMUFile from_dst_file failed");
+ goto out;
+ }
+
qemu_mutex_lock_iothread();
vm_start();
qemu_mutex_unlock_iothread();
@@ -43,8 +49,13 @@ static void colo_process_checkpoint(MigrationState *s)
/*TODO: COLO checkpoint savevm loop*/
+out:
migrate_set_state(&s->state, MIGRATION_STATUS_COLO,
MIGRATION_STATUS_COMPLETED);
+
+ if (s->rp_state.from_dst_file) {
+ qemu_fclose(s->rp_state.from_dst_file);
+ }
}
void migrate_start_colo_process(MigrationState *s)
@@ -63,8 +74,23 @@ void *colo_process_incoming_thread(void *opaque)
migrate_set_state(&mis->state, MIGRATION_STATUS_ACTIVE,
MIGRATION_STATUS_COLO);
+ mis->to_src_file = qemu_file_get_return_path(mis->from_src_file);
+ if (!mis->to_src_file) {
+ error_report("colo incoming thread: Open QEMUFile to_src_file failed");
+ goto out;
+ }
+ /* Note: We set the fd to unblocked in migration incoming coroutine,
+ * But here we are in the colo incoming thread, so it is ok to set the
+ * fd back to blocked.
+ */
+ qemu_file_set_blocking(mis->from_src_file, true);
+
/* TODO: COLO checkpoint restore loop */
+out:
+ if (mis->to_src_file) {
+ qemu_fclose(mis->to_src_file);
+ }
migration_incoming_exit_colo();
return NULL;
--
1.8.3.1
next prev parent reply other threads:[~2015-12-29 7:11 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-29 7:08 [Qemu-devel] [PATCH COLO-Frame v13 00/39] COarse-grain LOck-stepping(COLO) Virtual Machines for Non-stop Service (FT) zhanghailiang
2015-12-29 7:08 ` [Qemu-devel] [PATCH COLO-Frame v13 01/39] configure: Add parameter for configure to enable/disable COLO support zhanghailiang
2015-12-29 7:08 ` [Qemu-devel] [PATCH COLO-Frame v13 02/39] migration: Introduce capability 'x-colo' to migration zhanghailiang
2015-12-29 7:08 ` [Qemu-devel] [PATCH COLO-Frame v13 03/39] COLO: migrate colo related info to secondary node zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 04/39] migration: Export migrate_set_state() zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 05/39] migration: Add state records for migration incoming zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 06/39] migration: Integrate COLO checkpoint process into migration zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 07/39] migration: Integrate COLO checkpoint process into loadvm zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 08/39] migration: Rename the'file' member of MigrationState zhanghailiang
2015-12-29 7:09 ` zhanghailiang [this message]
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 10/39] COLO: Implement colo checkpoint protocol zhanghailiang
2016-01-29 13:08 ` Dr. David Alan Gilbert
2016-01-30 8:51 ` Hailiang Zhang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 11/39] COLO: Add a new RunState RUN_STATE_COLO zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 12/39] QEMUSizedBuffer: Introduce two help functions for qsb zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 13/39] COLO: Save PVM state to secondary side when do checkpoint zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 14/39] ram: Split host_from_stream_offset() into two helper functions zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 15/39] COLO: Load PVM's dirty pages into SVM's RAM cache temporarily zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 16/39] ram/COLO: Record the dirty pages that SVM received zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 17/39] COLO: Load VMState into qsb before restore it zhanghailiang
2016-01-04 19:00 ` Dr. David Alan Gilbert
2016-01-11 1:16 ` Hailiang Zhang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 18/39] COLO: Flush PVM's cached RAM into SVM's memory zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 19/39] COLO: Add checkpoint-delay parameter for migrate-set-parameters zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 20/39] COLO: synchronize PVM's state to SVM periodically zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 21/39] COLO failover: Introduce a new command to trigger a failover zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 22/39] COLO failover: Introduce state to record failover process zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 23/39] COLO: Implement failover work for Primary VM zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 24/39] COLO: Implement failover work for Secondary VM zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 25/39] qmp event: Add COLO_EXIT event to notify users while exited from COLO zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 26/39] COLO failover: Shutdown related socket fd when do failover zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 27/39] COLO failover: Don't do failover during loading VM's state zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 28/39] COLO: Process shutdown command for VM in COLO state zhanghailiang
2016-01-26 19:55 ` Dr. David Alan Gilbert
2016-01-27 9:54 ` Hailiang Zhang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 29/39] COLO: Update the global runstate after going into colo state zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 30/39] savevm: Split load vm state function qemu_loadvm_state zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 31/39] savevm: Introduce two helper functions for save/find loadvm_handlers entry zhanghailiang
2016-01-26 19:59 ` Dr. David Alan Gilbert
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 32/39] COLO: Separate the process of saving/loading ram and device state zhanghailiang
2016-01-27 14:14 ` Dr. David Alan Gilbert
2016-01-30 10:23 ` Hailiang Zhang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 33/39] COLO: Split qemu_savevm_state_begin out of checkpoint process zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 34/39] net/filter-buffer: Add default filter-buffer for each netdev zhanghailiang
2016-01-11 1:26 ` Hailiang Zhang
2016-01-19 1:46 ` Hailiang Zhang
2016-01-19 3:19 ` Jason Wang
2016-01-19 8:39 ` Hailiang Zhang
2016-01-20 2:39 ` Jason Wang
2016-01-20 7:14 ` Hailiang Zhang
2016-01-20 9:15 ` Jason Wang
2016-01-20 9:27 ` Hailiang Zhang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 35/39] filter-buffer: Accept zero interval zhanghailiang
2016-01-19 3:21 ` Jason Wang
2016-01-19 8:40 ` Hailiang Zhang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 36/39] filter-buffer: Introduce a helper function to enable/disable default filter zhanghailiang
2016-01-19 3:35 ` Jason Wang
2016-01-19 8:44 ` Hailiang Zhang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 37/39] filter-buffer: Introduce a helper function to release packets zhanghailiang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 38/39] colo: Use default buffer-filter to buffer and " zhanghailiang
2016-01-19 3:59 ` Jason Wang
2015-12-29 7:09 ` [Qemu-devel] [PATCH COLO-Frame v13 39/39] COLO: Add block replication into colo process zhanghailiang
2015-12-29 7:14 ` [Qemu-devel] [PATCH COLO-Frame v13 00/39] COarse-grain LOck-stepping(COLO) Virtual Machines for Non-stop Service (FT) Hailiang Zhang
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