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.
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