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From:   Daniel Jordan <daniel.m.jordan@oracle.com>
To:     Herbert Xu <herbert@gondor.apana.org.au>,
        Steffen Klassert <steffen.klassert@secunet.com>
Cc:     Lai Jiangshan <jiangshanlai@gmail.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Tejun Heo <tj@kernel.org>,
        Daniel Jordan <daniel.m.jordan@oracle.com>,
        linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 9/9] padata: remove cpu_index from the parallel_queue
Date:   Mon, 12 Aug 2019 20:52:24 -0400
Message-Id: <20190813005224.30779-10-daniel.m.jordan@oracle.com>
In-Reply-To: <20190813005224.30779-1-daniel.m.jordan@oracle.com>
References: <20190813005224.30779-1-daniel.m.jordan@oracle.com>
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With the removal of the ENODATA case from padata_get_next, the cpu_index
field is no longer useful, so it can go away.

Signed-off-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Lai Jiangshan <jiangshanlai@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: linux-crypto@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
---
 include/linux/padata.h |  2 --
 kernel/padata.c        | 13 ++-----------
 2 files changed, 2 insertions(+), 13 deletions(-)

diff --git a/include/linux/padata.h b/include/linux/padata.h
index cc420064186f..a39c7b9cec3c 100644
--- a/include/linux/padata.h
+++ b/include/linux/padata.h
@@ -75,14 +75,12 @@ struct padata_serial_queue {
  * @swork: work struct for serialization.
  * @work: work struct for parallelization.
  * @num_obj: Number of objects that are processed by this cpu.
- * @cpu_index: Index of the cpu.
  */
 struct padata_parallel_queue {
        struct padata_list    parallel;
        struct padata_list    reorder;
        struct work_struct    work;
        atomic_t              num_obj;
-       int                   cpu_index;
 };
 
 /**
diff --git a/kernel/padata.c b/kernel/padata.c
index 5615f6b60dab..32e810bd4c47 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -399,21 +399,12 @@ static void padata_init_squeues(struct parallel_data *pd)
 /* Initialize all percpu queues used by parallel workers */
 static void padata_init_pqueues(struct parallel_data *pd)
 {
-	int cpu_index, cpu;
+	int cpu;
 	struct padata_parallel_queue *pqueue;
 
-	cpu_index = 0;
-	for_each_possible_cpu(cpu) {
+	for_each_cpu(cpu, pd->cpumask.pcpu) {
 		pqueue = per_cpu_ptr(pd->pqueue, cpu);
 
-		if (!cpumask_test_cpu(cpu, pd->cpumask.pcpu)) {
-			pqueue->cpu_index = -1;
-			continue;
-		}
-
-		pqueue->cpu_index = cpu_index;
-		cpu_index++;
-
 		__padata_list_init(&pqueue->reorder);
 		__padata_list_init(&pqueue->parallel);
 		INIT_WORK(&pqueue->work, padata_parallel_worker);
-- 
2.22.0