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author | Souptick Joarder <jrdr.linux@gmail.com> | 2019-05-13 17:22:19 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-14 09:47:50 -0700 |
commit | a17ae14766935aaccd7e7629d1ccf980341ffd24 (patch) | |
tree | 821969c7821eef28c4165e5e427aef2dfbf74b86 /drivers/xen/gntdev.c | |
parent | b0d0084fd906c0a067909e45d3cc4cc01ceee33f (diff) | |
download | linux-stable-a17ae14766935aaccd7e7629d1ccf980341ffd24.tar.gz linux-stable-a17ae14766935aaccd7e7629d1ccf980341ffd24.tar.bz2 linux-stable-a17ae14766935aaccd7e7629d1ccf980341ffd24.zip |
videobuf2/videobuf2-dma-sg.c: convert to use vm_map_pages()
Convert to use vm_map_pages() to map range of kernel memory to user vma.
vm_pgoff is treated in V4L2 API as a 'cookie' to select a buffer, not as a
in-buffer offset by design and it always want to mmap a whole buffer from
its beginning.
Link: http://lkml.kernel.org/r/a953fe6b3056de1cc6eab654effdd4a22f125375.1552921225.git.jrdr.linux@gmail.com
Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Suggested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Cc: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Cc: Pawel Osciak <pawel@osciak.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Sandy Huang <hjc@rock-chips.com>
Cc: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Thierry Reding <treding@nvidia.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/xen/gntdev.c')
0 files changed, 0 insertions, 0 deletions