AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/include/media
History
Hans Verkuil 73a110623e media: v4l2-core: push taking ioctl mutex down to ioctl handler 
The ioctl serialization mutex (vdev->lock or q->lock for vb2 queues)
was taken at the highest level in v4l2-dev.c. This prevents more
fine-grained locking since at that level we cannot examine the ioctl
arguments, we can only do that after video_usercopy is called.

So push the locking down to __video_do_ioctl() and subdev_do_ioctl_lock().

This also allows us to make a few functions in v4l2-ioctl.c static and
video_usercopy() is no longer exported.

The locking scheme is not changed by this patch, just pushed down.

Signed-off-by: Hans Verkuil <hansverk@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-05-28 16:31:44 -04:00
..
davinci
drv-intf media: include: media: Add Renesas CEU driver interface 2018-02-26 08:59:41 -05:00
i2c MAINTAINERS & files: Canonize the e-mails I use at files 2018-05-04 06:21:06 -04:00
tpg media: include/(uapi/)media: add SPDX license info 2018-02-14 13:23:51 -05:00
cec-notifier.h media: include/(uapi/)media: add SPDX license info 2018-02-14 13:23:51 -05:00
cec-pin.h media: include/(uapi/)media: add SPDX license info 2018-02-14 13:23:51 -05:00
cec.h media: cec: improve CEC pin event handling 2018-03-22 08:16:52 -04:00
demux.h media: dvb: update buffer mmaped flags and frame counter 2018-02-23 11:44:08 -05:00
dmxdev.h media: dmxdev: Fix the logic that enables DMA mmap support 2018-02-23 05:27:10 -05:00
dvb_ca_en50221.h media: move dvb kAPI headers to include/media 2017-12-28 13:16:01 -05:00
dvb_demux.h media: dvb: update buffer mmaped flags and frame counter 2018-02-23 11:44:08 -05:00
dvb_frontend.h media: fix usage of whitespaces and on indentation 2018-01-04 13:12:01 -05:00
dvb_math.h media: move dvb kAPI headers to include/media 2017-12-28 13:16:01 -05:00
dvb_net.h media: move dvb kAPI headers to include/media 2017-12-28 13:16:01 -05:00
dvb_ringbuffer.h media: move dvb kAPI headers to include/media 2017-12-28 13:16:01 -05:00
dvb_vb2.h media: dvb: update buffer mmaped flags and frame counter 2018-02-23 11:44:08 -05:00
dvb-usb-ids.h media: dvb: add alternative USB PID for Hauppauge WinTV-soloHD 2018-05-04 14:20:55 -04:00
dvbdev.h media: dvbdev: add a mutex protecting the "mdev" pointer 2018-05-11 12:09:59 -04:00
imx.h
media-device.h
media-devnode.h ->poll() methods should return __poll_t 2017-11-27 16:19:52 -05:00
media-entity.h media: entity: fix spelling for media_entity_get_fwnode_pad() 2018-05-09 15:49:41 -04:00
rc-core.h media: rc: default to idle on at startup or after reset 2018-05-14 07:14:51 -04:00
rc-map.h media: rc: add new imon protocol decoder and encoder 2018-03-21 11:12:29 -04:00
rcar-fcp.h
soc_camera.h ->poll() methods should return __poll_t 2017-11-27 16:19:52 -05:00
tuner-types.h media: tuner-types: add kernel-doc markups for struct tunertype 2017-12-18 09:06:40 -05:00
tuner.h
tveeprom.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
v4l2-async.h media: fix usage of whitespaces and on indentation 2018-01-04 13:12:01 -05:00
v4l2-clk.h media: Convert to using %pOF instead of full_name 2017-08-20 08:20:20 -04:00
v4l2-common.h media: v4l: Bring back array_size parameter to v4l2_find_nearest_size 2018-04-04 06:12:53 -04:00
v4l2-ctrls.h media: v4l2-ctrls.h: fix wrong copy-and-paste comment 2018-02-26 08:03:26 -05:00
v4l2-dev.h media: v4l2-core: push taking ioctl mutex down to ioctl handler 2018-05-28 16:31:44 -04:00
v4l2-device.h media: v4l2-device.h: always expose mdev 2018-05-11 11:26:56 -04:00
v4l2-dv-timings.h media: v4l2-dv-timings: add v4l2_hdmi_colorimetry() 2018-02-22 12:41:09 -05:00
v4l2-event.h media: fix usage of whitespaces and on indentation 2018-01-04 13:12:01 -05:00
v4l2-fh.h media: v4l2_fh.h: add missing kconfig.h include 2018-02-26 08:05:10 -05:00
v4l2-flash-led-class.h media: v4l2-flash-led-class.h: add kernel-doc to two helper funcs 2017-12-18 10:40:41 -05:00
v4l2-fwnode.h media: v4l: fwnode: Fix comment incorrectly mentioning v4l2_fwnode_parse_endpoint 2018-04-23 17:20:07 -04:00
v4l2-image-sizes.h
v4l2-ioctl.h media: v4l2-core: push taking ioctl mutex down to ioctl handler 2018-05-28 16:31:44 -04:00
v4l2-mc.h
v4l2-mediabus.h media: v4l2-dev: convert VFL_TYPE_* into an enum 2017-12-18 11:49:40 -05:00
v4l2-mem2mem.h media: annotate ->poll() instances 2017-11-27 16:20:06 -05:00
v4l2-rect.h media: include/(uapi/)media: add SPDX license info 2018-02-14 13:23:51 -05:00
v4l2-subdev.h media: add tuner standby op, use where needed 2018-03-21 12:05:39 -04:00
videobuf2-core.h media: vb2-core: vb2_ops: document non-interrupt-context calling 2018-03-21 12:01:21 -04:00
videobuf2-dma-contig.h
videobuf2-dma-sg.h
videobuf2-dvb.h media: move dvb kAPI headers to include/media 2017-12-28 13:16:01 -05:00
videobuf2-memops.h media: vb2: add cross references at memops and v4l2 kernel-doc markups 2017-12-18 12:27:41 -05:00
videobuf2-v4l2.h media updates for v4.16-rc1 2018-02-06 11:27:48 -08:00
videobuf2-vmalloc.h
videobuf-core.h MAINTAINERS & files: Canonize the e-mails I use at files 2018-05-04 06:21:06 -04:00
videobuf-dma-contig.h
videobuf-dma-sg.h MAINTAINERS & files: Canonize the e-mails I use at files 2018-05-04 06:21:06 -04:00
videobuf-vmalloc.h MAINTAINERS & files: Canonize the e-mails I use at files 2018-05-04 06:21:06 -04:00
vsp1.h media: v4l: vsp1: Extend the DU API to support CRC computation 2018-05-17 06:22:08 -04:00