migration: MigrationEvent for notifiers
authorSteve Sistare <steven.sistare@oracle.com>
Thu, 22 Feb 2024 17:28:30 +0000 (09:28 -0800)
committerPeter Xu <peterx@redhat.com>
Wed, 28 Feb 2024 03:31:28 +0000 (11:31 +0800)
commit9d9babf78d8f0a2f26b8dd5de3767bd4a4e2020e
tree81614f1d26e880cb76cd8d2b4157e7ea1b52adb7
parent3e7757301cc93eaca47cad855630467804b1a2a4
migration: MigrationEvent for notifiers

Passing MigrationState to notifiers is unsound because they could access
unstable migration state internals or even modify the state.  Instead, pass
the minimal info needed in a new MigrationEvent struct, which could be
extended in the future if needed.

Suggested-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Link: https://lore.kernel.org/r/1708622920-68779-5-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>
hw/net/virtio-net.c
hw/vfio/migration.c
hw/vfio/trace-events
include/migration/misc.h
migration/migration.c
net/vhost-vdpa.c
ui/spice-core.c