Messages in this thread | | | Date | Sun, 27 Aug 2006 14:05:52 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: Why Semaphore Hardware-Dependent? |
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On Sun, 27 Aug 2006, Andi Kleen wrote:
> rwsems don't -- there are two flavours: a generic spinlock'ed one and a > complicated atomic based one that only works on some architectures. > As far as I know nobody has demonstrated a clear performance increase > from the first so it might be possible to switch all to the generic > implementation.
Yup that would be the major issue.I'd be interested to see some tests in that area. - 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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