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Date: Thu, 31 Oct 2019 09:49:31 +0200
From: Yuval Shaia <yuval.shaia@...cle.com>
To: tariqt@...lanox.com, davem@...emloft.net, netdev@...r.kernel.org,
linux-rdma@...r.kernel.org, dotanb@....mellanox.co.il,
eli@...lanox.co.il, vlad@...lanox.com
Cc: Yuval Shaia <yuval.shaia@...cle.com>
Subject: [PATCH] mlx4_core: fix wrong comment about the reason of subtract one from the max_cqes
From: Dotan Barak <dotanb@....mellanox.co.il>
Signed-off-by: Dotan Barak <dotanb@....mellanox.co.il>
Signed-off-by: Eli Cohen <eli@...lanox.co.il>
Signed-off-by: Vladimir Sokolovsky <vlad@...lanox.com>
Signed-off-by: Yuval Shaia <yuval.shaia@...cle.com>
---
drivers/net/ethernet/mellanox/mlx4/main.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c
index fce9b3a24347..dcf6b4628c58 100644
--- a/drivers/net/ethernet/mellanox/mlx4/main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/main.c
@@ -514,8 +514,7 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap)
dev->caps.max_rq_desc_sz = dev_cap->max_rq_desc_sz;
/*
* Subtract 1 from the limit because we need to allocate a
- * spare CQE so the HCA HW can tell the difference between an
- * empty CQ and a full CQ.
+ * spare CQE to enable resizing the CQ
*/
dev->caps.max_cqes = dev_cap->max_cq_sz - 1;
dev->caps.reserved_cqs = dev_cap->reserved_cqs;
--
2.20.1
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