Messages in this thread |  | | Subject | Re: RFC: patch to allow lock-free traversal of lists with insertion | From | "Paul McKenney" <> | Date | Wed, 10 Oct 2001 14:47:05 -0700 |
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> 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.
Just to make sure I understand... This rmbdd() would use IPIs to get all the CPUs' caches synchronized, right? Or do you have some other trick up your sleeve? ;-)
Thanx, Paul
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