On Mon, Dec 04, 2017 at 10:39:05PM +0000, David Howells wrote:
> Peter Zijlstra <pet...@infradead.org> 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.

The thing is, read-barrier-depends will no longer be used. read-read
dependencies will henceforth be assumed to 'just work'.

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

We should delete that blackfin code, its beyond insane.

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