[PATCH v2 5/9] kernel: padata : use this_cpu_read per-cpu helper

[Shan Wei]

From: Shan Wei <davids...@tencent.com>


Signed-off-by: Shan Wei <davids...@tencent.com>
---
 kernel/padata.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/kernel/padata.c b/kernel/padata.c
index 89fe3d1..cf94137 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -171,7 +171,7 @@ static struct padata_priv *padata_get_next(struct 
parallel_data *pd)
 {
        int cpu, num_cpus;
        unsigned int next_nr, next_index;
-       struct padata_parallel_queue *queue, *next_queue;
+       struct padata_parallel_queue *next_queue;
        struct padata_priv *padata;
        struct padata_list *reorder;
 
@@ -204,8 +204,7 @@ static struct padata_priv *padata_get_next(struct 
parallel_data *pd)
                goto out;
        }
 
-       queue = per_cpu_ptr(pd->pqueue, smp_processor_id());
-       if (queue->cpu_index == next_queue->cpu_index) {
+       if (this_cpu_read(pd->pqueue->cpu_index) == next_queue->cpu_index) {
                padata = ERR_PTR(-ENODATA);
                goto out;
        }
-- 
1.7.1

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