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[Qemu-devel] [PATCH 07/12] migration: Use cmpxchg correctly
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH 07/12] migration: Use cmpxchg correctly |
Date: |
Wed, 1 Jul 2015 10:51:28 +0200 |
cmpxchg returns the old value
Signed-off-by: Juan Quintela <address@hidden>
Reviewed-by: Dr. David Alan Gilbert <address@hidden>
---
migration/migration.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/migration/migration.c b/migration/migration.c
index 0fd5962..cfcc227 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -508,7 +508,7 @@ void qmp_migrate_set_parameters(bool has_compress_level,
static void migrate_set_state(MigrationState *s, int old_state, int new_state)
{
- if (atomic_cmpxchg(&s->state, old_state, new_state) == new_state) {
+ if (atomic_cmpxchg(&s->state, old_state, new_state) == old_state) {
trace_migrate_set_state(new_state);
}
}
--
2.4.3
- Re: [Qemu-devel] [PATCH 03/12] migration: create new section to store global state, (continued)
- [Qemu-devel] [PATCH 04/12] global_state: Make section optional, Juan Quintela, 2015/07/01
- [Qemu-devel] [PATCH 05/12] vmstate: Create optional sections, Juan Quintela, 2015/07/01
- [Qemu-devel] [PATCH 06/12] migration: Add configuration section, Juan Quintela, 2015/07/01
- [Qemu-devel] [PATCH 07/12] migration: Use cmpxchg correctly,
Juan Quintela <=
- [Qemu-devel] [PATCH 09/12] migration: Use always helper to set state, Juan Quintela, 2015/07/01
- [Qemu-devel] [PATCH 10/12] migration: No need to call trace_migrate_set_state(), Juan Quintela, 2015/07/01
- [Qemu-devel] [PATCH 08/12] migration: ensure we start in NONE state, Juan Quintela, 2015/07/01
- [Qemu-devel] [PATCH 12/12] migration: Add migration events on target side, Juan Quintela, 2015/07/01
- [Qemu-devel] [PATCH 11/12] migration: create migration event, Juan Quintela, 2015/07/01