diff options
author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-21 03:14:03 +0100 |
---|---|---|
committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-12-21 03:14:03 +0100 |
commit | e219aafe50fd546b8686582ddbafd24c3c2eda04 (patch) | |
tree | a665e08ca8d42f20ac8e5dcc8565d666cffb26bd /lib/llist.c | |
parent | ffe12855a5f7f195589130197558e6a5c276caa4 (diff) | |
parent | 24c96dc79c5e76d3cff7a33f955a4d3244644766 (diff) |
Merge back earlier 'pm-domains' material for v4.5.
Diffstat (limited to 'lib/llist.c')
-rw-r--r-- | lib/llist.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/llist.c b/lib/llist.c index 0b0e9779d6753..ae5872b1df0c6 100644 --- a/lib/llist.c +++ b/lib/llist.c @@ -66,12 +66,12 @@ struct llist_node *llist_del_first(struct llist_head *head) { struct llist_node *entry, *old_entry, *next; - entry = head->first; + entry = smp_load_acquire(&head->first); for (;;) { if (entry == NULL) return NULL; old_entry = entry; - next = entry->next; + next = READ_ONCE(entry->next); entry = cmpxchg(&head->first, old_entry, next); if (entry == old_entry) break; |