From: Jason Gunthorpe <jgg@nvidia.com>
To: "Saleem, Shiraz" <shiraz.saleem@intel.com>
Cc: Adit Ranadive <aditr@vmware.com>,
Potnuri Bharat Teja <bharat@chelsio.com>,
Doug Ledford <dledford@redhat.com>,
Leon Romanovsky <leon@kernel.org>,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
VMware PV-Drivers <pv-drivers@vmware.com>
Subject: Re: [PATCH 06/14] RDMA/umem: Split ib_umem_num_pages() into ib_umem_num_dma_blocks()
Date: Thu, 3 Sep 2020 11:14:50 -0300 [thread overview]
Message-ID: <20200903141450.GE1152540@nvidia.com> (raw)
In-Reply-To: <9DD61F30A802C4429A01CA4200E302A70107141188@ORSMSX101.amr.corp.intel.com>
On Thu, Sep 03, 2020 at 02:12:10PM +0000, Saleem, Shiraz wrote:
> > Subject: [PATCH 06/14] RDMA/umem: Split ib_umem_num_pages() into
> > ib_umem_num_dma_blocks()
> >
> > ib_num_pages() should only be used by things working with the SGL in CPU
> > pages directly.
> >
> > Drivers building DMA lists should use the new ib_num_dma_blocks() which returns
> > the number of blocks rdma_umem_for_each_block() will return.
> >
> > Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
> > drivers/infiniband/hw/cxgb4/mem.c | 2 +-
> > drivers/infiniband/hw/mlx5/mem.c | 5 +++--
> > drivers/infiniband/hw/mthca/mthca_provider.c | 2 +-
> > drivers/infiniband/hw/vmw_pvrdma/pvrdma_mr.c | 2 +-
> > include/rdma/ib_umem.h | 14 +++++++++++---
> > 5 files changed, 17 insertions(+), 8 deletions(-)
> >
>
> Perhaps the one in the bnxt_re too?
>
> https://elixir.bootlin.com/linux/v5.9-rc3/source/drivers/infiniband/hw/bnxt_re/qplib_res.c#L94
Yes, that needs fixing, but it is not so easy. This patch is just for
the easy drivers..
Planning to do it separately as it is the 'easiest' of the remaining
'hard' conversions
Jason
next prev parent reply other threads:[~2020-09-03 14:51 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-02 0:43 [PATCH 00/14] RDMA: Improve use of umem in DMA drivers Jason Gunthorpe
2020-09-02 0:43 ` [PATCH 01/14] RDMA/umem: Fix ib_umem_find_best_pgsz() for mappings that cross a page boundary Jason Gunthorpe
2020-09-02 9:24 ` Leon Romanovsky
2020-09-03 14:11 ` Saleem, Shiraz
2020-09-04 22:30 ` Jason Gunthorpe
2020-09-02 0:43 ` [PATCH 02/14] RDMA/umem: Prevent small pages from being returned by ib_umem_find_best_pgsz() Jason Gunthorpe
2020-09-02 11:51 ` Leon Romanovsky
2020-09-02 11:59 ` Jason Gunthorpe
2020-09-02 12:05 ` Leon Romanovsky
2020-09-02 16:34 ` Jason Gunthorpe
2020-09-03 14:11 ` Saleem, Shiraz
2020-09-03 14:17 ` Jason Gunthorpe
2020-09-03 14:18 ` Saleem, Shiraz
2020-09-02 0:43 ` [PATCH 03/14] RDMA/umem: Use simpler logic for ib_umem_find_best_pgsz() Jason Gunthorpe
2020-09-02 0:43 ` [PATCH 04/14] RDMA/umem: Add rdma_umem_for_each_dma_block() Jason Gunthorpe
2020-09-02 3:10 ` Miguel Ojeda
2020-09-03 14:12 ` Saleem, Shiraz
2020-09-02 0:43 ` [PATCH 05/14] RDMA/umem: Replace for_each_sg_dma_page with rdma_umem_for_each_dma_block Jason Gunthorpe
2020-09-02 0:43 ` [PATCH 06/14] RDMA/umem: Split ib_umem_num_pages() into ib_umem_num_dma_blocks() Jason Gunthorpe
2020-09-03 14:12 ` Saleem, Shiraz
2020-09-03 14:14 ` Jason Gunthorpe [this message]
2020-09-04 22:32 ` Jason Gunthorpe
2020-09-02 0:43 ` [PATCH 07/14] RDMA/qedr: Use rdma_umem_for_each_dma_block() instead of open-coding Jason Gunthorpe
2020-09-02 15:36 ` [EXT] " Michal Kalderon
2020-09-02 18:44 ` Jason Gunthorpe
2020-09-02 19:53 ` Michal Kalderon
2020-09-02 0:43 ` [PATCH 08/14] RDMA/qedr: Use ib_umem_num_dma_blocks() instead of ib_umem_page_count() Jason Gunthorpe
2020-09-02 15:35 ` [EXT] " Michal Kalderon
2020-09-02 0:43 ` [PATCH 09/14] RDMA/bnxt: Do not use ib_umem_page_count() or ib_umem_num_pages() Jason Gunthorpe
2020-09-03 4:41 ` Selvin Xavier
2020-09-02 0:43 ` [PATCH 10/14] RDMA/hns: Use ib_umem_num_dma_blocks() instead of opencoding Jason Gunthorpe
2020-09-02 0:43 ` [PATCH 11/14] RDMA/ocrdma: Use ib_umem_num_dma_blocks() instead of ib_umem_page_count() Jason Gunthorpe
2020-09-02 0:43 ` [PATCH 12/14] RDMA/pvrdma: " Jason Gunthorpe
2020-09-02 0:43 ` [PATCH 13/14] RDMA/mlx5: Use ib_umem_num_dma_blocks() Jason Gunthorpe
2020-09-02 9:07 ` Gal Pressman
2020-09-03 15:14 ` Saleem, Shiraz
2020-09-02 0:43 ` [PATCH 14/14] RDMA/umem: Rename ib_umem_offset() to ib_umem_dma_offset() Jason Gunthorpe
2020-09-02 0:51 ` Zhu Yanjun
2020-09-02 15:36 ` [EXT] " Michal Kalderon
2020-09-03 18:48 ` Jason Gunthorpe
2020-09-02 9:09 ` [PATCH 00/14] RDMA: Improve use of umem in DMA drivers Gal Pressman
2020-09-02 12:00 ` Jason Gunthorpe
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