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From: Leon Romanovsky <leon@kernel.org>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: Doug Ledford <dledford@redhat.com>,
	Adit Ranadive <aditr@vmware.com>,
	Ariel Elior <aelior@marvell.com>,
	Bernard Metzler <bmt@zurich.ibm.com>,
	Dennis Dalessandro <dennis.dalessandro@intel.com>,
	Devesh Sharma <devesh.sharma@broadcom.com>,
	Lijun Ou <oulijun@huawei.com>,
	linux-rdma@vger.kernel.org,
	Michal Kalderon <mkalderon@marvell.com>,
	Mike Marciniszyn <mike.marciniszyn@intel.com>,
	Naresh Kumar PBS <nareshkumar.pbs@broadcom.com>,
	Potnuri Bharat Teja <bharat@chelsio.com>,
	Selvin Xavier <selvin.xavier@broadcom.com>,
	Somnath Kotur <somnath.kotur@broadcom.com>,
	Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>,
	VMware PV-Drivers <pv-drivers@vmware.com>,
	Weihang Li <liweihang@huawei.com>,
	"Wei Hu(Xavier)" <huwei87@hisilicon.com>,
	Yishai Hadas <yishaih@nvidia.com>,
	Zhu Yanjun <yanjunz@nvidia.com>
Subject: Re: [PATCH rdma-next v1 05/10] RDMA: Restore ability to fail on SRQ destroy
Date: Thu, 3 Sep 2020 08:11:12 +0300	[thread overview]
Message-ID: <20200903051112.GP59010@unreal> (raw)
In-Reply-To: <20200903000850.GA1479562@nvidia.com>

On Wed, Sep 02, 2020 at 09:08:50PM -0300, Jason Gunthorpe wrote:
> On Sun, Aug 30, 2020 at 11:40:05AM +0300, Leon Romanovsky wrote:
> > -void mlx5_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata)
> > +int mlx5_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata)
> >  {
> >  	struct mlx5_ib_dev *dev = to_mdev(srq->device);
> >  	struct mlx5_ib_srq *msrq = to_msrq(srq);
> > +	int ret;
> > +
> > +	ret = mlx5_cmd_destroy_srq(dev, &msrq->msrq);
> > +	if (ret && udata)
> > +		return ret;
> >
> > -	mlx5_cmd_destroy_srq(dev, &msrq->msrq);
> > -
> > -	if (srq->uobject) {
> > -		mlx5_ib_db_unmap_user(
> > -			rdma_udata_to_drv_context(
> > -				udata,
> > -				struct mlx5_ib_ucontext,
> > -				ibucontext),
> > -			&msrq->db);
> > -		ib_umem_release(msrq->umem);
> > -	} else {
> > -		destroy_srq_kernel(dev, msrq);
> > +	if (udata) {
> > +		destroy_srq_user(srq->pd, msrq, udata);
> > +		return 0;
> >  	}
>
> It is not a big deal but I would like to remove udata as an argument
> to the driver destroy functions, it is completely nonsensical and
> never used.

  197 static void destroy_srq_user(struct ib_pd *pd, struct mlx5_ib_srq *srq,
  198                              struct ib_udata *udata)
  199 {
  200         mlx5_ib_db_unmap_user(
  201                 rdma_udata_to_drv_context(
  202                         udata,
                              ^^^^^^ in use

  203                         struct mlx5_ib_ucontext,
  204                         ibucontext),
  205                 &srq->db);
  206         ib_umem_release(srq->umem);
  207 }
  208


>
> Jason

  reply	other threads:[~2020-09-03  5:11 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-30  8:40 [PATCH rdma-next v1 00/10] Restore failure of destroy commands Leon Romanovsky
2020-08-30  8:40 ` [PATCH rdma-next v1 01/10] RDMA: Restore ability to fail on PD deallocate Leon Romanovsky
2020-08-30  8:40 ` [PATCH rdma-next v1 02/10] RDMA: Restore ability to fail on AH destroy Leon Romanovsky
2020-08-30  8:40 ` [PATCH rdma-next v1 03/10] RDMA/mlx5: Issue FW command to destroy SRQ on reentry Leon Romanovsky
2020-09-03  0:31   ` Jason Gunthorpe
2020-09-03  5:08     ` Leon Romanovsky
2020-09-03 11:54       ` Jason Gunthorpe
2020-08-30  8:40 ` [PATCH rdma-next v1 04/10] RDMA/mlx5: Fix potential race between destroy and CQE poll Leon Romanovsky
2020-09-03 13:42   ` Jason Gunthorpe
2020-08-30  8:40 ` [PATCH rdma-next v1 05/10] RDMA: Restore ability to fail on SRQ destroy Leon Romanovsky
2020-09-03  0:08   ` Jason Gunthorpe
2020-09-03  5:11     ` Leon Romanovsky [this message]
2020-09-03 11:55       ` Jason Gunthorpe
2020-09-03  0:18   ` Jason Gunthorpe
2020-09-03  5:28     ` Leon Romanovsky
2020-09-03 12:22       ` Jason Gunthorpe
2020-09-03 13:12         ` Jason Gunthorpe
2020-08-30  8:40 ` [PATCH rdma-next v1 06/10] RDMA/core: Delete function indirection for alloc/free kernel CQ Leon Romanovsky
2020-09-03  0:20   ` Jason Gunthorpe
2020-09-03  5:35     ` Leon Romanovsky
2020-09-03 12:24       ` Jason Gunthorpe
2020-08-30  8:40 ` [PATCH rdma-next v1 07/10] RDMA: Allow fail of destroy CQ Leon Romanovsky
2020-08-30  8:40 ` [PATCH rdma-next v1 08/10] RDMA: Change XRCD destroy return value Leon Romanovsky
2020-08-30  8:40 ` [PATCH rdma-next v1 09/10] RDMA: Restore ability to return error for destroy WQ Leon Romanovsky
2020-08-30  8:40 ` [PATCH rdma-next v1 10/10] RDMA: Make counters destroy symmetrical Leon Romanovsky

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