Re: [PATCH tip/core/rcu 01/21] doc: READ_ONCE() now implies smp_barrier_depends()

[David Howells]

Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> > Good point!  How about as shown in the updated patch below?
> 
> Humm, I thought the idea was to completely remove read_barrier_depends
> from the lkmm and memory-barriers.txt, making it an Alpha implementation
> detail.

memory-barriers.txt explains how the barriers used by the kernel work, amongst
other things.

Don't forget, btw, that Blackfin uses it also.

David