On Fri, 2 Mar 2007, William Lee Irwin III wrote: >> AIUI that phenomenon is universal to NUMA. Maybe it's time we >> reexamined our locking algorithms in the light of fairness >> considerations.
On Fri, Mar 02, 2007 at 07:15:38PM -0800, Christoph Lameter wrote: > This is a phenomenon that is usually addressed at the cache logic level. > Its a hardware maturation issue. A certain package should not be allowed > to hold onto a cacheline forever and other packages must have a mininum > time when they can operate on that cacheline. I think when I last asked about that I was told "cache directories are too expensive" or something on that order, if I'm not botching this, too. In any event, the above shows a gross inaccuracy in my statement. -- wli - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
