On Sat, 2003-03-22 at 17:58, Andrew Morton wrote:
> I've always been a bit skeptical about rwlocks - if you're holding the lock
> for long enough for a significant amount of reader concurrency, you're
> holding it for too long. eg: tasklist_lock.
I totally agree with you Andrew, on modern SMP systems rwlocks
are basically worthless. I think we should kill them off and
convert all instances to spinlocks or some better primitive (perhaps
a more generalized big reader lock, Roman Zippel had something...)
-- David S. Miller <davem@redhat.com> - 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/
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