Messages in this thread | | | Date | Wed, 31 Oct 2012 17:45:48 +0000 | From | Christoph Lameter <> | Subject | Re: [PATCH 6/9] kernel: padata : use this_cpu_ptr per-cpu helper |
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On Wed, 31 Oct 2012, Shan Wei wrote:
> From: Shan Wei <davidshan@tencent.com> > > > Signed-off-by: Shan Wei <davidshan@tencent.com> > --- > kernel/padata.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > > diff --git a/kernel/padata.c b/kernel/padata.c > index 89fe3d1..70dffe8 100644 > --- a/kernel/padata.c > +++ b/kernel/padata.c > @@ -204,7 +204,7 @@ static struct padata_priv *padata_get_next(struct parallel_data *pd) > goto out; > } > > - queue = per_cpu_ptr(pd->pqueue, smp_processor_id()); > + queue = this_cpu_ptr(pd->pqueue); > if (queue->cpu_index == next_queue->cpu_index) {
Its simpler to just remove the per_cpu op completely and change the if statement to
if (this_cpu_read(pd->pqueue->cpu_index) == next_queue->cpu_index)) {
..
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