From f0fcf2002bf122afe8fe1b74b2cee3710c7e6cd9 Mon Sep 17 00:00:00 2001 From: Shan Wei Date: Thu, 6 Dec 2012 17:16:23 +0800 Subject: [PATCH] padata: use __this_cpu_read per-cpu helper For bottom halves off, __this_cpu_read is better. Signed-off-by: Shan Wei Reviewed-by: Christoph Lameter Acked-by: Steffen Klassert Signed-off-by: Herbert Xu --- kernel/padata.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/kernel/padata.c b/kernel/padata.c index 89fe3d1b9efb..072f4ee4eb89 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; }