Merge commit 'c78bcafd0d3b3835f23369aea7ed3686f25750c2'; commit '88f35a0d24b00b80538ae7083cfcab8eb00db3cb' into HEAD

Merge these two branches:

o	Strengthening of DEC Alpha primitives to include
	smp_read_barrier_depends() and removal of lockless_dereference().

o	Conversion of ACCESS_ONCE() to READ_ONCE for instances not
	susceptible to Coccinelle.