* Steven Rostedt <[email protected]> wrote:
> Here's a patch to move the pi_lock out of the "fast path". Thus, only
> threads that need to do PI will need to take it.
ok, looks good, applied it. I've renamed p->rt_lock to p->pi_lock. The
patch gave a 10% wall-clock improvement in hackbench numbers on an 8-way
box. (This box has pretty high cachemiss costs, so the positive effects
of such patches show up nicely.)
Ingo
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