Messages in this thread |  | | Date | Wed, 10 Oct 2001 15:27:17 -0700 | From | Richard Henderson <> | Subject | Re: RFC: patch to allow lock-free traversal of lists with insertion |
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On Wed, Oct 10, 2001 at 02:47:05PM -0700, Paul McKenney wrote: > > 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. > > Just to make sure I understand... This rmbdd() would use IPIs to > get all the CPUs' caches synchronized, right?
Err, I see your confusion now.
"Correspond" meaning "for every wmb needed on the writer side, there is likely an rmb needed on the reader side in a similar place".
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