Messages in this thread | | | Subject | Re: [PATCH] New operation for kref to help avoid locks | From | Arjan van de Ven <> | Date | Tue, 01 Mar 2005 23:14:15 +0100 |
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> Just doing an atomic operation is not faster than doing a lock, an > atomic operation, then an unlock? Am I missing something?
if the lock and the atomic are on the same cacheline they're the same cost on most modern cpus...
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