Re: RFC: patch to allow lock-free traversal of lists with insertion

[Richard Henderson]

On Wed, Oct 10, 2001 at 01:33:58PM +1000, Paul Mackerras wrote:
> 1. Define an rmbdd() which is a no-op on all architectures except for
>    alpha, where it is an rmb.  Richard can then have the job of
>    finding all the places where an rmbdd is needed, which sounds like
>    one of the smellier labors of Hercules to me. :)  

I don't think it's actually all that bad.  There won't be all
that many places that require the rmbdd, and they'll pretty
much exactly correspond to the places in which you have to put
wmb for all architectures anyway.

r~