linux-kernel - Re: [PATCH rdma-next 8/9] RDMA: Globally allocate and release QP memory

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Message-ID: <2d36585e-97da-1b27-4e2c-f3a7d2b76db7@huawei.com>
Date:   Thu, 22 Jul 2021 15:59:04 +0800
From:   Wenpeng Liang <liangwenpeng@...wei.com>
To:     Leon Romanovsky <leon@...nel.org>,
        Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...dia.com>
CC:     Leon Romanovsky <leonro@...dia.com>,
        Adit Ranadive <aditr@...are.com>,
        Ariel Elior <aelior@...vell.com>,
        Bernard Metzler <bmt@...ich.ibm.com>,
        Christian Benvenuti <benve@...co.com>,
        Dennis Dalessandro <dennis.dalessandro@...nelisnetworks.com>,
        Gal Pressman <galpress@...zon.com>,
        <linux-kernel@...r.kernel.org>, <linux-rdma@...r.kernel.org>,
        Michal Kalderon <mkalderon@...vell.com>,
        "Mike Marciniszyn" <mike.marciniszyn@...nelisnetworks.com>,
        Mustafa Ismail <mustafa.ismail@...el.com>,
        Naresh Kumar PBS <nareshkumar.pbs@...adcom.com>,
        Nelson Escobar <neescoba@...co.com>,
        Potnuri Bharat Teja <bharat@...lsio.com>,
        Selvin Xavier <selvin.xavier@...adcom.com>,
        "Shiraz Saleem" <shiraz.saleem@...el.com>,
        Steve Wise <larrystevenwise@...il.com>,
        VMware PV-Drivers <pv-drivers@...are.com>,
        Weihang Li <liweihang@...wei.com>,
        Yishai Hadas <yishaih@...dia.com>,
        Zhu Yanjun <zyjzyj2000@...il.com>
Subject: Re: [PATCH rdma-next 8/9] RDMA: Globally allocate and release QP
 memory



On 2021/7/18 20:00, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@...dia.com>
> 
> Convert QP object to follow IB/core general allocation scheme.
> That change allows us to make sure that restrack properly kref
> the memory.
> 
> Signed-off-by: Leon Romanovsky <leonro@...dia.com>

Hi, Leon, I tested your patchset, it looks good to hns.
But there is a redundant assignment in hns.
This is the patch.

diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c
index 364f404..fd0f71a 100644
--- a/drivers/infiniband/hw/hns/hns_roce_qp.c
+++ b/drivers/infiniband/hw/hns/hns_roce_qp.c
@@ -959,8 +959,6 @@ static int set_qp_param(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp,
        struct ib_device *ibdev = &hr_dev->ib_dev;
        int ret;

-       hr_qp->ibqp.qp_type = init_attr->qp_type;
-
        if (init_attr->cap.max_inline_data > hr_dev->caps.max_sq_inline)
                init_attr->cap.max_inline_data = hr_dev->caps.max_sq_inline;