[PATCH 10/19] samples: mic/mpssd/mpssd.c: Kill off ACCESS_ONCE()

2017-10-23 Thread Paul E. McKenney
From: 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

[PATCH 10/19] samples: mic/mpssd/mpssd.c: Kill off ACCESS_ONCE()

2017-10-23 Thread Paul E. McKenney
From: 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