[PATCH 06/13] media: dvb_ringbuffer: kill off ACCESS_ONCE()

2017-10-09 Thread Mark Rutland
For several reasons, it is desirable to use {READ,WRITE}_ONCE() in preference to ACCESS_ONCE(), and new code is expected to use one of the former. So far, there's been no reason to change most existing uses of ACCESS_ONCE(), as these aren't currently harmful. However, for some features it is

[PATCH 06/13] media: dvb_ringbuffer: kill off ACCESS_ONCE()

2017-10-09 Thread Mark Rutland
For several reasons, it is desirable to use {READ,WRITE}_ONCE() in preference to ACCESS_ONCE(), and new code is expected to use one of the former. So far, there's been no reason to change most existing uses of ACCESS_ONCE(), as these aren't currently harmful. However, for some features it is