Messages in this thread | | | Date | Wed, 29 Sep 1999 10:03:21 +0300 | From | Momchil Velikov <> | Subject | Re: possible spinlock optimizations |
| |
Manfred wrote: > 2) Have you read this note about W2K spinlock? > http://www.numega.com/drivercentral/resources/spinlocks.shtml > They claim their implementation has better SMP memory bus characteristics. > Has anyone tried to implement something like this?
As far as I can understand, the good thing is that releasing the spinlock doesn't cause reload of the corresponding cache lines in all the processors spinning on it, it's something like "wakeup-one" vs. "wakeup-all".
Regards, -velco
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
| |