Linus Torvalds <[email protected]> wrote:
> > + smp_read_barrier_depends(); /* ctrl */ \
> > + smp_rmb(); /* ctrl + rmb := acquire */ \
Doesn't smp_rmb() imply an smp_read_barrier_depends() anyway? In
memory-barriers.txt, it says:
Read memory barriers imply data dependency barriers, and so can
substitute for them.
David
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