[PATCH 0/9] Use vm_insert_range
Souptick Joarder
jrdr.linux at gmail.com
Wed Nov 21 19:56:51 UTC 2018
On Thu, Nov 22, 2018 at 1:08 AM Boris Ostrovsky
<boris.ostrovsky at oracle.com> wrote:
>
> On 11/21/18 1:24 AM, Souptick Joarder wrote:
> > On Thu, Nov 15, 2018 at 9:09 PM Souptick Joarder <jrdr.linux at gmail.com> wrote:
> >> 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
> > Any further comment on driver changes ?
>
> Xen drivers (the last two patches) look fine to me.
Thanks, can I considered this as Reviewed-by ?
>
> -boris
>
>
> >> 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
> >>
>
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