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[Qemu-devel] [PULL 21/26] migration: Use cmpxchg correctly
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PULL 21/26] migration: Use cmpxchg correctly |
Date: |
Wed, 1 Jul 2015 12:39:45 +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 edb4f3e..1e34aa5 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -509,7 +509,7 @@ 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
- [Qemu-devel] [PULL 11/26] Sort destination RAMBlocks to be the same as the source, (continued)
- [Qemu-devel] [PULL 11/26] Sort destination RAMBlocks to be the same as the source, Juan Quintela, 2015/07/01
- [Qemu-devel] [PULL 12/26] Sanity check RDMA remote data, Juan Quintela, 2015/07/01
- [Qemu-devel] [PULL 10/26] Rework ram block hash, Juan Quintela, 2015/07/01
- [Qemu-devel] [PULL 14/26] Fix older machine type compatibility on power with section footers, Juan Quintela, 2015/07/01
- [Qemu-devel] [PULL 15/26] runstate: Add runstate store, Juan Quintela, 2015/07/01
- [Qemu-devel] [PULL 16/26] runstate: migration allows more transitions now, Juan Quintela, 2015/07/01
- [Qemu-devel] [PULL 13/26] Fail more cleanly in mismatched RAM cases, Juan Quintela, 2015/07/01
- [Qemu-devel] [PULL 17/26] migration: create new section to store global state, Juan Quintela, 2015/07/01
- [Qemu-devel] [PULL 18/26] global_state: Make section optional, Juan Quintela, 2015/07/01
- [Qemu-devel] [PULL 20/26] migration: Add configuration section, Juan Quintela, 2015/07/01
- [Qemu-devel] [PULL 21/26] migration: Use cmpxchg correctly,
Juan Quintela <=
- [Qemu-devel] [PULL 19/26] vmstate: Create optional sections, Juan Quintela, 2015/07/01
- [Qemu-devel] [PULL 22/26] migration: ensure we start in NONE state, Juan Quintela, 2015/07/01
- [Qemu-devel] [PULL 23/26] migration: Use always helper to set state, Juan Quintela, 2015/07/01
- [Qemu-devel] [PULL 25/26] migration: create migration event, Juan Quintela, 2015/07/01
- [Qemu-devel] [PULL 26/26] migration: Add migration events on target side, Juan Quintela, 2015/07/01
- [Qemu-devel] [PULL 24/26] migration: No need to call trace_migrate_set_state(), Juan Quintela, 2015/07/01
- Re: [Qemu-devel] [PULL 00/26] Migration pull request, Peter Maydell, 2015/07/02