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[PATCH v3 18/18] migration/rdma: RDMA cleanup for multifd migration
From: |
Chuan Zheng |
Subject: |
[PATCH v3 18/18] migration/rdma: RDMA cleanup for multifd migration |
Date: |
Sat, 17 Oct 2020 12:25:48 +0800 |
Signed-off-by: Chuan Zheng <zhengchuan@huawei.com>
---
migration/multifd.c | 6 ++++++
migration/multifd.h | 1 +
migration/rdma.c | 16 +++++++++++++++-
3 files changed, 22 insertions(+), 1 deletion(-)
diff --git a/migration/multifd.c b/migration/multifd.c
index c4d90ef..f548122 100644
--- a/migration/multifd.c
+++ b/migration/multifd.c
@@ -574,6 +574,9 @@ void multifd_save_cleanup(void)
p->packet_len = 0;
g_free(p->packet);
p->packet = NULL;
+#ifdef CONFIG_RDMA
+ multifd_rdma_cleanup(p->rdma);
+#endif
multifd_send_state->ops->send_cleanup(p, &local_err);
if (local_err) {
migrate_set_error(migrate_get_current(), local_err);
@@ -1017,6 +1020,9 @@ int multifd_load_cleanup(Error **errp)
p->packet_len = 0;
g_free(p->packet);
p->packet = NULL;
+#ifdef CONFIG_RDMA
+ multifd_rdma_cleanup(p->rdma);
+#endif
multifd_recv_state->ops->recv_cleanup(p);
}
qemu_sem_destroy(&multifd_recv_state->sem_sync);
diff --git a/migration/multifd.h b/migration/multifd.h
index ec9e897..6fddd4e 100644
--- a/migration/multifd.h
+++ b/migration/multifd.h
@@ -183,6 +183,7 @@ typedef struct {
#ifdef CONFIG_RDMA
MultiFDSetup *multifd_rdma_setup(void);
+void multifd_rdma_cleanup(void *opaque);
#endif
void multifd_send_terminate_threads(Error *err);
int multifd_send_initial_packet(MultiFDSendParams *p, Error **errp);
diff --git a/migration/rdma.c b/migration/rdma.c
index 519fa7a..89bf54b 100644
--- a/migration/rdma.c
+++ b/migration/rdma.c
@@ -2368,7 +2368,7 @@ static void qemu_rdma_cleanup(RDMAContext *rdma)
{
int idx;
- if (rdma->cm_id && rdma->connected) {
+ if (rdma->channel && rdma->cm_id && rdma->connected) {
if ((rdma->error_state ||
migrate_get_current()->state == MIGRATION_STATUS_CANCELLING) &&
!rdma->received_error) {
@@ -4609,6 +4609,20 @@ static MultiFDSetup multifd_rdma_ops = {
.recv_channel_setup = multifd_rdma_recv_channel_setup
};
+void multifd_rdma_cleanup(void *opaque)
+{
+ RDMAContext *rdma = (RDMAContext *)opaque;
+
+ if (!migrate_use_rdma()) {
+ return;
+ }
+
+ rdma->listen_id = NULL;
+ rdma->channel = NULL;
+ qemu_rdma_cleanup(rdma);
+ g_free(rdma);
+}
+
MultiFDSetup *multifd_rdma_setup(void)
{
MultiFDSetup *rdma_ops;
--
1.8.3.1
- [PATCH v3 04/18] migration/rdma: add multifd_setup_ops for rdma, (continued)
- [PATCH v3 04/18] migration/rdma: add multifd_setup_ops for rdma, Chuan Zheng, 2020/10/17
- [PATCH v3 01/18] migration/rdma: add the 'migrate_use_rdma_pin_all' function, Chuan Zheng, 2020/10/17
- [PATCH v3 02/18] migration/rdma: judge whether or not the RDMA is used for migration, Chuan Zheng, 2020/10/17
- [PATCH v3 08/18] migration/rdma: export getQIOChannel to get QIOchannel in rdma, Chuan Zheng, 2020/10/17
- [PATCH v3 07/18] migration/rdma: add rdma field into multifd send/recv param, Chuan Zheng, 2020/10/17
- [PATCH v3 09/18] migration/rdma: add multifd_rdma_load_setup() to setup multifd rdma, Chuan Zheng, 2020/10/17
- [PATCH v3 03/18] migration/rdma: create multifd_setup_ops for Tx/Rx thread, Chuan Zheng, 2020/10/17
- [PATCH v3 05/18] migration/rdma: do not need sync main for rdma, Chuan Zheng, 2020/10/17
- [PATCH v3 06/18] migration/rdma: export MultiFDSendParams/MultiFDRecvParams, Chuan Zheng, 2020/10/17
- [PATCH v3 17/18] migration/rdma: send data for both rdma-pin-all and NOT rdma-pin-all mode, Chuan Zheng, 2020/10/17
- [PATCH v3 18/18] migration/rdma: RDMA cleanup for multifd migration,
Chuan Zheng <=
- [PATCH v3 14/18] migration/rdma: register memory for multifd RDMA channels, Chuan Zheng, 2020/10/17
- [PATCH v3 13/18] migration/rdma: Add the function for dynamic page registration, Chuan Zheng, 2020/10/17
- [PATCH v3 12/18] migration/rdma: Create the multifd send channels for RDMA, Chuan Zheng, 2020/10/17
- [PATCH v3 16/18] migration/rdma: add rdma_channel into Migrationstate field, Chuan Zheng, 2020/10/17
- [PATCH v3 11/18] migration/rdma: record host_port for multifd RDMA, Chuan Zheng, 2020/10/17
- [PATCH v3 15/18] migration/rdma: only register the memory for multifd channels, Chuan Zheng, 2020/10/17
- [PATCH v3 10/18] migration/rdma: Create the multifd recv channels for RDMA, Chuan Zheng, 2020/10/17
- RE: [PATCH v3 00/18] Support Multifd for RDMA migration, Zhanghailiang, 2020/10/21