linux-kernel - [PATCH rdma-next v3 0/3] SG fix together with update to RDMA umem

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Date:   Thu, 29 Jul 2021 12:39:10 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Christoph Hellwig <hch@...radead.org>
Cc:     Leon Romanovsky <leonro@...dia.com>,
        Ariel Elior <aelior@...vell.com>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Dennis Dalessandro <dennis.dalessandro@...nelisnetworks.com>,
        dri-devel@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        linux-kernel@...r.kernel.org, linux-rdma@...r.kernel.org,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maor Gottlieb <maorg@...dia.com>,
        Maxime Ripard <mripard@...nel.org>,
        Michal Kalderon <mkalderon@...vell.com>,
        Mike Marciniszyn <mike.marciniszyn@...nelisnetworks.com>,
        Mustafa Ismail <mustafa.ismail@...el.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Roland Scheidegger <sroland@...are.com>,
        Shiraz Saleem <shiraz.saleem@...el.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        VMware Graphics <linux-graphics-maintainer@...are.com>,
        Weihang Li <liweihang@...wei.com>,
        Wenpeng Liang <liangwenpeng@...wei.com>,
        Yishai Hadas <yishaih@...dia.com>,
        Zack Rusin <zackr@...are.com>,
        Zhu Yanjun <zyjzyj2000@...il.com>
Subject: [PATCH rdma-next v3 0/3] SG fix together with update to RDMA umem

From: Leon Romanovsky <leonro@...dia.com>

Changelog:
v3:
 * Rewrote to new API suggestion
 * Split for more patches
v2: https://lore.kernel.org/lkml/cover.1626605893.git.leonro@nvidia.com
 * Changed implementation of first patch, based on our discussion with Christoph.
   https://lore.kernel.org/lkml/YNwaVTT0qmQdxaZz@infradead.org/
v1: https://lore.kernel.org/lkml/cover.1624955710.git.leonro@nvidia.com/
 * Fixed sg_page with a _dma_ API in the umem.c
v0: https://lore.kernel.org/lkml/cover.1624361199.git.leonro@nvidia.com


Maor Gottlieb (3):
  lib/scatterlist: Provide a dedicated function to support table append
  lib/scatterlist: Fix wrong update of orig_nents
  RDMA: Use the sg_table directly and remove the opencoded version from
    umem

 drivers/gpu/drm/drm_prime.c                 |  13 +-
 drivers/gpu/drm/i915/gem/i915_gem_userptr.c |  11 +-
 drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c  |  14 +-
 drivers/infiniband/core/umem.c              |  56 +++---
 drivers/infiniband/core/umem_dmabuf.c       |   5 +-
 drivers/infiniband/hw/hns/hns_roce_db.c     |   4 +-
 drivers/infiniband/hw/irdma/verbs.c         |   2 +-
 drivers/infiniband/hw/mlx4/doorbell.c       |   3 +-
 drivers/infiniband/hw/mlx4/mr.c             |   4 +-
 drivers/infiniband/hw/mlx5/doorbell.c       |   3 +-
 drivers/infiniband/hw/mlx5/mr.c             |   3 +-
 drivers/infiniband/hw/qedr/verbs.c          |   2 +-
 drivers/infiniband/sw/rdmavt/mr.c           |   2 +-
 drivers/infiniband/sw/rxe/rxe_mr.c          |   2 +-
 include/linux/scatterlist.h                 |  54 +++++-
 include/rdma/ib_umem.h                      |  11 +-
 include/rdma/ib_verbs.h                     |  28 +++
 lib/scatterlist.c                           | 189 ++++++++++++--------
 tools/testing/scatterlist/main.c            |  38 ++--
 19 files changed, 275 insertions(+), 169 deletions(-)

-- 
2.31.1