RE: [PATCH 04/34] ia64: reuse asm-generic/barrier.h

[Luck, Tony]

> On ia64 smp_rmb, smp_wmb, read_barrier_depends, smp_read_barrier_depends
> and smp_store_mb() match the asm-generic variants exactly. Drop the
> local definitions and pull in asm-generic/barrier.h instead.
>
> This is in preparation to refactoring this code area.

Acked-by: Tony Luck <tony.luck@xxxxxxxxx>

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