Messages in this thread | | | Date | Sun, 23 Mar 2003 14:55:23 +1100 | From | Anton Blanchard <> | Subject | Re: smp overhead, and rwlocks considered harmful |
| |
> One thing is noteworthy: ia32's read_unlock() is buslocked, whereas > spin_unlock() is not.
Dont forget bitops/atomics used as spinlocks like the rmap pte chain lock.
Anton - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |