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[PULL 7/7] migration: allow enabling mutilfd for specific protocol only
From: |
Juan Quintela |
Subject: |
[PULL 7/7] migration: allow enabling mutilfd for specific protocol only |
Date: |
Thu, 9 Sep 2021 12:33:46 +0200 |
From: Li Zhijian <lizhijian@cn.fujitsu.com>
To: <quintela@redhat.com>, <dgilbert@redhat.com>, <qemu-devel@nongnu.org>
CC: Li Zhijian <lizhijian@cn.fujitsu.com>
Date: Sat, 31 Jul 2021 22:05:52 +0800 (5 weeks, 4 days, 17 hours ago)
And change the default to true so that in '-incoming defer' case, user is able
to change multifd capability.
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
---
migration/migration.c | 8 ++++++++
migration/multifd.c | 2 +-
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/migration/migration.c b/migration/migration.c
index 10e7616a48..77f9a3cfd3 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1237,6 +1237,14 @@ static bool migrate_caps_check(bool *cap_list,
}
}
+ /* incoming side only */
+ if (runstate_check(RUN_STATE_INMIGRATE) &&
+ !migrate_multifd_is_allowed() &&
+ cap_list[MIGRATION_CAPABILITY_MULTIFD]) {
+ error_setg(errp, "multifd is not supported by current protocol");
+ return false;
+ }
+
return true;
}
diff --git a/migration/multifd.c b/migration/multifd.c
index 283f672bf0..7c9deb1921 100644
--- a/migration/multifd.c
+++ b/migration/multifd.c
@@ -868,7 +868,7 @@ cleanup:
multifd_new_send_channel_cleanup(p, sioc, local_err);
}
-static bool migrate_allow_multifd;
+static bool migrate_allow_multifd = true;
void migrate_protocol_allow_multifd(bool allow)
{
migrate_allow_multifd = allow;
--
2.31.1
- [PULL 0/7] Migration.next patches, Juan Quintela, 2021/09/09
- [PULL 2/7] multifd: Unconditionally unregister yank function, Juan Quintela, 2021/09/09
- [PULL 4/7] migration/rdma: advise prefetch write for ODP region, Juan Quintela, 2021/09/09
- [PULL 1/7] multifd: Implement yank for multifd send side, Juan Quintela, 2021/09/09
- [PULL 7/7] migration: allow enabling mutilfd for specific protocol only,
Juan Quintela <=
- [PULL 5/7] migration/ram: Don't passs RAMState to migration_clear_memory_region_dirty_bitmap_*(), Juan Quintela, 2021/09/09
- [PULL 6/7] migration: allow multifd for socket protocol only, Juan Quintela, 2021/09/09
- [PULL 3/7] migration/rdma: Try to register On-Demand Paging memory region, Juan Quintela, 2021/09/09
- Re: [PULL 0/7] Migration.next patches, Peter Maydell, 2021/09/09