Dr. David Alan Gilbert 9cf2bab2ed migration/rdma: Fix race on source ...

Fix a race where the destination might try and send the source a
WRID_READY before the source has done a post-recv for it.

rdma_post_recv has to happen after the qp exists, and we're
OK since we've already called qemu_rdma_source_init that calls
qemu_alloc_qp.

This corresponds to:
https://bugzilla.redhat.com/show_bug.cgi?id=1285044

The race can be triggered by adding a few ms wait before this
post_recv_control (which was originally due to me turning on loads of
debug).

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Message-Id: <20170717110936.23314-2-dgilbert@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>

2017-07-18 17:36:14 +02:00

..

block.c

migration: Rename cleanup() to save_cleanup()

2017-07-10 17:52:21 +01:00

block.h

migration: Move include/migration/block.h into migration/

2017-06-01 18:49:24 +02:00

channel.c

migration: Move migration.h to migration/

2017-06-13 11:00:45 +02:00

channel.h

migration: Remove MigrationState from migration_channel_incomming()

2017-06-13 11:00:44 +02:00

colo-comm.c

migration: Move migration.h to migration/

2017-06-13 11:00:45 +02:00

colo-failover.c

migration: Remove unneeded includes

2017-06-14 11:10:19 +02:00

colo.c

migration: Rename save_live_setup() to save_setup()

2017-07-10 17:52:21 +01:00

exec.c

migration: Remove unneeded includes

2017-06-14 11:10:19 +02:00

exec.h

…

fd.c

migration: Remove unneeded includes

2017-06-14 11:10:19 +02:00

fd.h

…

global_state.c

migration: move global_state.optional out

2017-06-28 11:18:38 +02:00

Makefile.objs

migration: create global_state.c

2017-06-13 11:00:45 +02:00

migration.c

migration: Make compression_threads use save/load_setup/cleanup()

2017-07-10 17:52:21 +01:00

migration.h

migration: add "return-path" capability

2017-06-28 11:51:10 +02:00

page_cache.c

…

page_cache.h

…

postcopy-ram.c

migration: Remove unneeded includes

2017-06-14 11:10:19 +02:00

postcopy-ram.h

…

qemu-file-channel.c

…

qemu-file-channel.h

…

qemu-file.c

migration: Remove unneeded includes

2017-06-14 11:10:19 +02:00

qemu-file.h

migration: ram_control_* are implemented in qemu_file

2017-06-13 11:00:45 +02:00

qjson.c

…

qjson.h

…

ram.c

migration: Make compression_threads use save/load_setup/cleanup()

2017-07-10 17:52:21 +01:00

ram.h

migration: Make compression_threads use save/load_setup/cleanup()

2017-07-10 17:52:21 +01:00

rdma.c

migration/rdma: Fix race on source

2017-07-18 17:36:14 +02:00

rdma.h

migration: Export rdma.c functions in its own file

2017-06-01 18:49:23 +02:00

savevm.c

migration: Create load_setup()/cleanup() methods

2017-07-10 17:52:21 +01:00

savevm.h

migration: Create load_setup()/cleanup() methods

2017-07-10 17:52:21 +01:00

socket.c

migration: Move migration.h to migration/

2017-06-13 11:00:45 +02:00

socket.h

…

tls.c

migration: Move migration.h to migration/

2017-06-13 11:00:45 +02:00

tls.h

…

trace-events

migration: Create load_setup()/cleanup() methods

2017-07-10 17:52:21 +01:00

vmstate-types.c

vmstate: error hint for failed equal checks

2017-06-28 11:18:44 +02:00

vmstate.c

migration: Move migration.h to migration/

2017-06-13 11:00:45 +02:00

xbzrle.c

…

xbzrle.h

…