treewide: Kill off remaining ACCESS_ONCE()
This commit removes instances of ACCESS_ONCE() not located by Mark Rutland's
coccinelle script, for example, those in complex macro definitions and
those in comments. Removing ACCESS_ONCE() in favor of READ_ONCE() and
WRITE_ONCE() provides tools such as KTSAN the read/write distinction that
they need to better detect concurrency bugs. In addition, removing
ACCESS_ONCE() is one necessary step towards removing special cases for
DEC Alpha from the Linux-kernel memory model.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
2 files changed