Messages in this thread |  | | Date | Tue, 9 Oct 2001 10:00:23 -0700 | From | Richard Henderson <> | Subject | Re: RFC: patch to allow lock-free traversal of lists with insertion |
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On Tue, Oct 09, 2001 at 08:45:15AM -0700, Paul McKenney wrote: > Please see the example above. I do believe that my algorithms are > reliably forcing proper read ordering using IPIs, just in an different > way.
I wasn't suggesting that the IPI wouldn't work -- it will. But it will be _extremely_ slow.
I am suggesting that the lock-free algorithms should add the read barriers, and that failure to do so indicates that they are incomplete. If nothing else, it documents where the real dependancies are.
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