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authorIngo Molnar <mingo@kernel.org>2017-04-14 10:29:40 +0200
committerIngo Molnar <mingo@kernel.org>2017-04-14 10:29:40 +0200
commit0ba78a95a6629975ff16545ae868fa1bb38f786a (patch)
treebb51f571bb187bc10f3a9639789afd4cf49b5b27 /kernel/padata.c
parentdef34eaae5ce04b324e48e1bfac873091d945213 (diff)
parenta232591ba289a1a397e0005c9f276a126c1bc1b1 (diff)
Merge branch 'linus' into locking/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/padata.c')
-rw-r--r--kernel/padata.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/padata.c b/kernel/padata.c
index 05316c9f32da..3202aa17492c 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -186,19 +186,20 @@ static struct padata_priv *padata_get_next(struct parallel_data *pd)
reorder = &next_queue->reorder;
+ spin_lock(&reorder->lock);
if (!list_empty(&reorder->list)) {
padata = list_entry(reorder->list.next,
struct padata_priv, list);
- spin_lock(&reorder->lock);
list_del_init(&padata->list);
atomic_dec(&pd->reorder_objects);
- spin_unlock(&reorder->lock);
pd->processed++;
+ spin_unlock(&reorder->lock);
goto out;
}
+ spin_unlock(&reorder->lock);
if (__this_cpu_read(pd->pqueue->cpu_index) == next_queue->cpu_index) {
padata = ERR_PTR(-ENODATA);