On Tue, 22 Mar 2005 09:59:04 +1100 Anton Blanchard <[EMAIL PROTECTED]> wrote:
> Thinking some more about this, perhaps we should remove the ?mb() barriers > and instead have only io_?mb() and smp_?mb(). This has the advantage of > making it clear what barriers should be used in drivers to order > cacheable and non cacheable memory (a problem on ppc/ppc64 at least). No objections to this idea. If I remember correctly, the ?mb() routines _were_ the original SMP memory barriers.
