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authorAkihiko Odaki <akihiko.odaki@daynix.com>2025-05-29 14:45:58 +0900
committerPaolo Bonzini <pbonzini@redhat.com>2025-06-06 14:32:55 +0200
commitd401b7aed83af96fa0e68f46b15446838f6f5e0f (patch)
tree243fa53680d4e20feac358c8ff34636ec4b214d5 /migration/savevm.c
parentda926a8b9dd67be3432c525a6db998141be444e2 (diff)
downloadfocaccia-qemu-d401b7aed83af96fa0e68f46b15446838f6f5e0f.tar.gz
focaccia-qemu-d401b7aed83af96fa0e68f46b15446838f6f5e0f.zip
migration/postcopy: Replace QemuSemaphore with QemuEvent
thread_sync_sem is an one-shot event so it can be converted into
QemuEvent, which is more lightweight.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Link: https://lore.kernel.org/r/20250529-event-v5-9-53b285203794@daynix.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'migration/savevm.c')
-rw-r--r--migration/savevm.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/migration/savevm.c b/migration/savevm.c
index 006514c3e3..52105dd2f1 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -2078,7 +2078,7 @@ static void *postcopy_ram_listen_thread(void *opaque)
 
     migrate_set_state(&mis->state, MIGRATION_STATUS_ACTIVE,
                                    MIGRATION_STATUS_POSTCOPY_ACTIVE);
-    qemu_sem_post(&mis->thread_sync_sem);
+    qemu_event_set(&mis->thread_sync_event);
     trace_postcopy_ram_listen_thread_start();
 
     rcu_register_thread();