linux-kernel - [RFC PATCH 1/7] genirq/affinity: remove the 'firstvec' parameter from irq_build_affinity

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Date:   Mon, 19 Jul 2021 17:57:23 +0800
From:   Ming Lei <ming.lei@...hat.com>
To:     Thomas Gleixner <tglx@...utronix.de>, Jens Axboe <axboe@...nel.dk>
Cc:     linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        Christoph Hellwig <hch@....de>, Ming Lei <ming.lei@...hat.com>
Subject: [RFC PATCH 1/7] genirq/affinity: remove the 'firstvec' parameter from irq_build_affinity_masks

The 'firstvec' parameter is always same with the parameter of
'startvec', so use 'startvec' directly inside irq_build_affinity_masks().

Signed-off-by: Ming Lei <ming.lei@...hat.com>
---
 kernel/irq/affinity.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/kernel/irq/affinity.c b/kernel/irq/affinity.c
index 735f697d7d15..0c535591f2f2 100644
--- a/kernel/irq/affinity.c
+++ b/kernel/irq/affinity.c
@@ -336,10 +336,10 @@ static int __irq_build_affinity_masks(unsigned int startvec,
  *	2) spread other possible CPUs on these vectors
  */
 static int irq_build_affinity_masks(unsigned int startvec, unsigned int numvecs,
-				    unsigned int firstvec,
 				    struct irq_affinity_desc *masks)
 {
 	unsigned int curvec = startvec, nr_present = 0, nr_others = 0;
+	unsigned int firstvec = startvec;
 	cpumask_var_t *node_to_cpumask;
 	cpumask_var_t nmsk, npresmsk;
 	int ret = -ENOMEM;
@@ -469,8 +469,7 @@ irq_create_affinity_masks(unsigned int nvecs, struct irq_affinity *affd)
 		unsigned int this_vecs = affd->set_size[i];
 		int ret;
 
-		ret = irq_build_affinity_masks(curvec, this_vecs,
-					       curvec, masks);
+		ret = irq_build_affinity_masks(curvec, this_vecs, masks);
 		if (ret) {
 			kfree(masks);
 			return NULL;
-- 
2.31.1