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alistair23-linux/drivers/media/v4l2-core
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Michel Lespinasse d8ed45c5dc mmap locking API: use coccinelle to convert mmap_sem rwsem call sites 
This change converts the existing mmap_sem rwsem calls to use the new mmap
locking API instead.

The change is generated using coccinelle with the following rule:

// spatch --sp-file mmap_lock_api.cocci --in-place --include-headers --dir .

@@
expression mm;
@@
(
-init_rwsem
+mmap_init_lock
|
-down_write
+mmap_write_lock
|
-down_write_killable
+mmap_write_lock_killable
|
-down_write_trylock
+mmap_write_trylock
|
-up_write
+mmap_write_unlock
|
-downgrade_write
+mmap_write_downgrade
|
-down_read
+mmap_read_lock
|
-down_read_killable
+mmap_read_lock_killable
|
-down_read_trylock
+mmap_read_trylock
|
-up_read
+mmap_read_unlock
)
-(&mm->mmap_sem)
+(mm)

Signed-off-by: Michel Lespinasse <walken@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Reviewed-by: Laurent Dufour <ldufour@linux.ibm.com>
Reviewed-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Davidlohr Bueso <dbueso@suse.de>
Cc: David Rientjes <rientjes@google.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Liam Howlett <Liam.Howlett@oracle.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ying Han <yinghan@google.com>
Link: http://lkml.kernel.org/r/20200520052908.204642-5-walken@google.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2020-06-09 09:39:14 -07:00
..
Kconfig media: v4l2-core: Add helpers to build the H264 P/B0/B1 reflists 2020-04-21 13:46:40 +02:00
Makefile media: v4l2-core: Add helpers to build the H264 P/B0/B1 reflists 2020-04-21 13:46:40 +02:00
tuner-core.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
v4l2-async.c media: v4l2-async: Safely clean up an uninitialised notifier 2019-07-25 11:00:06 -04:00
v4l2-clk.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
v4l2-common.c mm: don't include asm/pgtable.h if linux/mm.h is already included 2020-06-09 09:39:13 -07:00
v4l2-compat-ioctl32.c media: v4l2-core: fix compat v4l2_buffer handling for time64 ABI 2020-01-03 15:53:46 +01:00
v4l2-ctrls.c media: v4l2-ctrls: Add helper to register properties 2020-05-18 15:36:20 +02:00
v4l2-dev.c media: v4l2-dev/ioctl: Add V4L2_CAP_IO_MC 2020-05-06 12:08:25 +02:00
v4l2-device.c media: v4l2-dev: Add v4l2_device_register_ro_subdev_node() 2020-05-12 17:04:07 +02:00
v4l2-dv-timings.c media: v4l2-dv-timings: Use DIV_ROUND_CLOSEST directly to make it readable 2019-11-05 08:49:22 -03:00
v4l2-event.c media: v4l2-core: fix VIDIOC_DQEVENT for time64 ABI 2020-01-03 15:47:57 +01:00
v4l2-fh.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174 2019-05-30 11:26:41 -07:00
v4l2-flash-led-class.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
v4l2-fwnode.c media updates for v5.8-rc1 2020-06-03 20:59:38 -07:00
v4l2-h264.c media: v4l2-core: Add helpers to build the H264 P/B0/B1 reflists 2020-04-21 13:46:40 +02:00
v4l2-i2c.c media: v4l2-core: v4l2-i2c: convert to new API with ERRPTR 2020-02-24 15:21:52 +01:00
v4l2-ioctl.c media: v4l2: Extend VIDIOC_ENUM_FMT to support MC-centric devices 2020-05-06 12:09:04 +02:00
v4l2-jpeg.c media: add v4l2 JPEG helpers 2020-04-14 11:47:47 +02:00
v4l2-mc.c media: v4l2-mc: add v4l2_create_fwnode_links helpers 2020-05-18 11:14:05 +02:00
v4l2-mem2mem.c media: v4l2-mem2mem: return CAPTURE buffer first 2020-04-14 11:21:49 +02:00
v4l2-spi.c v4l2-core: fix coding style for the two new c files 2019-08-26 11:01:25 -03:00
v4l2-subdev.c media: v4l2-subdev: add v4l2_subdev_get_fwnode_pad_1_to_1 2020-05-18 11:12:52 +02:00
v4l2-trace.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
videobuf-core.c mmap locking API: use coccinelle to convert mmap_sem rwsem call sites 2020-06-09 09:39:14 -07:00
videobuf-dma-contig.c mmap locking API: use coccinelle to convert mmap_sem rwsem call sites 2020-06-09 09:39:14 -07:00
videobuf-dma-sg.c mmap locking API: use coccinelle to convert mmap_sem rwsem call sites 2020-06-09 09:39:14 -07:00
videobuf-vmalloc.c mm: reorder includes after introduction of linux/pgtable.h 2020-06-09 09:39:13 -07:00