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From: Souptick Joarder <jrdr.linux@gmail.com>
To: akpm@linux-foundation.org, willy@infradead.org, mhocko@suse.com,
	kirill.shutemov@linux.intel.com, vbabka@suse.cz,
	riel@surriel.com, sfr@canb.auug.org.au, rppt@linux.vnet.ibm.com,
	peterz@infradead.org, linux@armlinux.org.uk,
	robin.murphy@arm.com, iamjoonsoo.kim@lge.com, treding@nvidia.com,
	keescook@chromium.org, m.szyprowski@samsung.com,
	stefanr@s5r6.in-berlin.de, hjc@rock-chips.com, heiko@sntech.de,
	airlied@linux.ie, oleksandr_andrushchenko@epam.com,
	joro@8bytes.org, pawel@osciak.com, kyungmin.park@samsung.com,
	mchehab@kernel.org, boris.ostrovsky@oracle.com, jgross@suse.com
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
	linux-arm-kernel@lists.infradead.org,
	linux1394-devel@lists.sourceforge.net,
	dri-devel@lists.freedesktop.org,
	linux-rockchip@lists.infradead.org, xen-devel@lists.xen.org,
	iommu@lists.linux-foundation.org, linux-media@vger.kernel.org
Subject: [PATCH 0/9] Use vm_insert_range
Date: Thu, 15 Nov 2018 21:13:14 +0530	[thread overview]
Message-ID: <20181115154314.GA27850@jordon-HP-15-Notebook-PC> (raw)

Previouly drivers have their own way of mapping range of
kernel pages/memory into user vma and this was done by
invoking vm_insert_page() within a loop.

As this pattern is common across different drivers, it can
be generalized by creating a new function and use it across
the drivers.

vm_insert_range is the new API which will be used to map a
range of kernel memory/pages to user vma.

All the applicable places are converted to use new vm_insert_range
in this patch series.

Souptick Joarder (9):
  mm: Introduce new vm_insert_range API
  arch/arm/mm/dma-mapping.c: Convert to use vm_insert_range
  drivers/firewire/core-iso.c: Convert to use vm_insert_range
  drm/rockchip/rockchip_drm_gem.c: Convert to use vm_insert_range
  drm/xen/xen_drm_front_gem.c: Convert to use vm_insert_range
  iommu/dma-iommu.c: Convert to use vm_insert_range
  videobuf2/videobuf2-dma-sg.c: Convert to use vm_insert_range
  xen/gntdev.c: Convert to use vm_insert_range
  xen/privcmd-buf.c: Convert to use vm_insert_range

 arch/arm/mm/dma-mapping.c                         | 21 ++++++-----------
 drivers/firewire/core-iso.c                       | 15 ++----------
 drivers/gpu/drm/rockchip/rockchip_drm_gem.c       | 20 ++--------------
 drivers/gpu/drm/xen/xen_drm_front_gem.c           | 20 +++++-----------
 drivers/iommu/dma-iommu.c                         | 12 ++--------
 drivers/media/common/videobuf2/videobuf2-dma-sg.c | 23 ++++++-------------
 drivers/xen/gntdev.c                              | 11 ++++-----
 drivers/xen/privcmd-buf.c                         |  8 ++-----
 include/linux/mm_types.h                          |  3 +++
 mm/memory.c                                       | 28 +++++++++++++++++++++++
 mm/nommu.c                                        |  7 ++++++
 11 files changed, 70 insertions(+), 98 deletions(-)

-- 
1.9.1

             reply	other threads:[~2018-11-15 15:39 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-15 15:43 Souptick Joarder [this message]
2018-11-21  6:24 ` Souptick Joarder
2018-11-21 19:37   ` Boris Ostrovsky
2018-11-21 19:56     ` Souptick Joarder
2018-11-21 20:04       ` Boris Ostrovsky

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